/* ═══════════════════════════════════════════════════════════════════════════
   SplitBill — Premium Dark Mode Design System
   ═══════════════════════════════════════════════════════════════════════════ */

:root, [data-theme="dark"] {
    /* Colors (Dark Theme - Default) */
    --bg-primary: #0A0A12;
    --bg-secondary: #12121E;
    --bg-card: rgba(255, 255, 255, 0.04);
    --bg-card-hover: rgba(255, 255, 255, 0.07);
    --bg-glass: rgba(255, 255, 255, 0.06);
    --bg-input: rgba(255, 255, 255, 0.06);
    --bg-input-focus: rgba(255, 255, 255, 0.1);

    --border-color: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(255, 255, 255, 0.15);
    --border-focus: rgba(108, 92, 231, 0.5);

    --text-primary: #F0F0F5;
    --text-secondary: #8B8BA3;
    --text-muted: #5A5A72;
    --text-accent: #A78BFA;

    --accent-primary: #6C5CE7;
    --accent-secondary: #A855F7;
    --accent-gradient: linear-gradient(135deg, #6C5CE7 0%, #A855F7 100%);
    --accent-glow: rgba(108, 92, 231, 0.3);

    --success: #10B981;
    --warning: #F59E0B;
    --error: #EF4444;
    --info: #3B82F6;
}

[data-theme="light"] {
    /* Colors (Light Theme Overrides) */
    --bg-primary: #F4F4F9;
    --bg-secondary: #FFFFFF;
    --bg-card: #FFFFFF;
    --bg-card-hover: #F0F0F7;
    --bg-glass: rgba(0, 0, 0, 0.03);
    --bg-input: #F0F0F7;
    --bg-input-focus: #FFFFFF;

    --border-color: rgba(0, 0, 0, 0.1);
    --border-hover: rgba(0, 0, 0, 0.2);
    --border-focus: rgba(108, 92, 231, 0.6);

    --text-primary: #1E1E2E;
    --text-secondary: #6C6C82;
    --text-muted: #9E9EA8;
    --text-accent: #6C5CE7;

    --accent-primary: #6C5CE7;
    --accent-secondary: #A855F7;
    --accent-gradient: linear-gradient(135deg, #6C5CE7 0%, #A855F7 100%);
    --accent-glow: rgba(108, 92, 231, 0.2);

    --success: #10B981;
    --warning: #F59E0B;
    --error: #EF4444;
    --info: #3B82F6;
}

:root {


    /* Expense category colors */
    --cat-food: #FF6B6B;
    --cat-tickets: #4ECDC4;
    --cat-transport: #45B7D1;
    --cat-accommodation: #96CEB4;
    --cat-shopping: #FFEAA7;
    --cat-entertainment: #DDA0DD;
    --cat-fuel: #F39C12;
    --cat-other: #95A5A6;

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;

    /* Border radius */
    --radius-sm: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 30px var(--accent-glow);

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-xs: 0.75rem;
    --font-sm: 0.875rem;
    --font-base: 1rem;
    --font-lg: 1.125rem;
    --font-xl: 1.25rem;
    --font-2xl: 1.5rem;
    --font-3xl: 2rem;
    --font-4xl: 2.5rem;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;

    /* Layout */
    --navbar-height: 64px;
    --content-max-width: 1200px;
}


/* ─── Reset & Base ──────────────────────────────────────────────────────── */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-base);
    color: var(--text-primary);
    background: var(--bg-primary);
    line-height: 1.6;
    min-height: 100vh;
}

a {
    color: var(--text-accent);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--accent-secondary);
}

img {
    max-width: 100%;
    display: block;
}

ul, ol {
    list-style: none;
}


/* ─── Navbar ────────────────────────────────────────────────────────────── */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--navbar-height);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--space-xl);
    background: rgba(10, 10, 18, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
}

.navbar-brand {
    display: flex;
    align-items: center;
}

.navbar-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--text-primary);
    font-size: var(--font-xl);
    font-weight: 700;
}

.navbar-logo:hover {
    color: var(--text-primary);
}

.logo-icon {
    width: 28px;
    height: 28px;
    color: var(--accent-primary);
}

.logo-accent {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.navbar-actions {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.nav-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    background: transparent;
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
}

.nav-btn:hover {
    background: var(--bg-glass);
    color: var(--text-primary);
}

.nav-btn svg {
    width: 20px;
    height: 20px;
}

.nav-logout-form {
    display: inline;
}

.badge {
    position: absolute;
    top: 4px;
    right: 4px;
    min-width: 18px;
    height: 18px;
    padding: 0 5px;
    border-radius: var(--radius-full);
    background: var(--error);
    color: white;
    font-size: 11px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
}


/* ─── Main Layout ───────────────────────────────────────────────────────── */
.main-content {
    padding-top: calc(var(--navbar-height) + var(--space-xl));
    padding-left: var(--space-xl);
    padding-right: var(--space-xl);
    padding-bottom: var(--space-2xl);
    max-width: var(--content-max-width);
    margin: 0 auto;
    min-height: 100vh;
}

.main-content-full {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-xl);
}


/* ─── Page Headers ──────────────────────────────────────────────────────── */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-xl);
    flex-wrap: wrap;
    gap: var(--space-md);
}

.page-title {
    font-size: var(--font-3xl);
    font-weight: 800;
    letter-spacing: -0.02em;
}

.page-subtitle {
    color: var(--text-secondary);
    font-size: var(--font-sm);
    margin-top: var(--space-xs);
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--text-muted);
    font-size: var(--font-sm);
    margin-bottom: var(--space-md);
}

.breadcrumb a {
    color: var(--text-secondary);
}

.breadcrumb a:hover {
    color: var(--text-primary);
}

.breadcrumb-sep {
    color: var(--text-muted);
}


/* ─── Cards ─────────────────────────────────────────────────────────────── */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
}

.card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.card-link {
    display: block;
    color: inherit;
}

.card-link:hover {
    color: inherit;
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--space-lg);
}

.card-header {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
}

.card-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-gradient);
    flex-shrink: 0;
}

.card-icon svg {
    width: 24px;
    height: 24px;
    color: white;
}

.card-title {
    font-size: var(--font-lg);
    font-weight: 600;
}

.card-desc {
    color: var(--text-secondary);
    font-size: var(--font-sm);
    margin-top: var(--space-xs);
}

.card-meta {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    margin-top: var(--space-md);
    padding-top: var(--space-md);
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
    font-size: var(--font-sm);
}

.card-meta-item {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.card-meta-item svg {
    width: 14px;
    height: 14px;
}

.card-image {
    width: 100%;
    height: 160px;
    object-fit: cover;
    border-radius: var(--radius-md);
    margin-bottom: var(--space-md);
}

.card-avatar-grid {
    display: flex;
    gap: -8px;
    margin-bottom: var(--space-md);
}

/* Workspace card specifics */
.workspace-card-cover {
    width: 100%;
    height: 120px;
    border-radius: var(--radius-md);
    margin-bottom: var(--space-md);
    overflow: hidden;
    background: var(--accent-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
}

.workspace-card-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.workspace-initials-cover {
    display: flex;
    gap: var(--space-xs);
}

.workspace-initials-cover .avatar {
    width: 40px;
    height: 40px;
    font-size: var(--font-sm);
}


/* ─── Avatar ────────────────────────────────────────────────────────────── */
.avatar {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    flex-shrink: 0;
    position: relative;
}

.avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.avatar-initials {
    font-size: var(--font-xs);
    font-weight: 700;
    color: white;
    background: var(--accent-gradient);
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
}

.avatar-sm {
    width: 32px;
    height: 32px;
}

.avatar-sm .avatar-initials {
    font-size: 11px;
}

.avatar-lg {
    width: 64px;
    height: 64px;
}

.avatar-lg .avatar-initials {
    font-size: var(--font-xl);
}

.avatar-xl {
    width: 96px;
    height: 96px;
}

.avatar-xl .avatar-initials {
    font-size: var(--font-2xl);
}

.avatar-stack {
    display: flex;
}

.avatar-stack .avatar {
    border: 2px solid var(--bg-primary);
    margin-left: -10px;
}

.avatar-stack .avatar:first-child {
    margin-left: 0;
}


/* ─── Buttons ───────────────────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 0.625rem 1.25rem;
    border-radius: var(--radius-md);
    font-family: var(--font-family);
    font-size: var(--font-sm);
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: all var(--transition-fast);
    line-height: 1.4;
    white-space: nowrap;
}

.btn svg {
    width: 18px;
    height: 18px;
}

.btn-primary {
    background: var(--accent-gradient);
    color: white;
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-glow);
    color: white;
}

.btn-secondary {
    background: var(--bg-glass);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-hover);
    color: var(--text-primary);
}

.btn-danger {
    background: rgba(239, 68, 68, 0.15);
    color: var(--error);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.btn-danger:hover {
    background: rgba(239, 68, 68, 0.25);
}

.btn-success {
    background: rgba(16, 185, 129, 0.15);
    color: var(--success);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.btn-success:hover {
    background: rgba(16, 185, 129, 0.25);
}

.btn-revolut {
    background: linear-gradient(135deg, #0075EB 0%, #00B2FF 100%);
    color: white;
}

.btn-revolut:hover {
    transform: translateY(-1px);
    box-shadow: 0 0 20px rgba(0, 117, 235, 0.4);
    color: white;
}

.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: var(--font-xs);
}

.btn-sm svg {
    width: 14px;
    height: 14px;
}

.btn-icon {
    width: 40px;
    height: 40px;
    padding: 0;
    justify-content: center;
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
}

.btn-ghost:hover {
    background: var(--bg-glass);
    color: var(--text-primary);
}


/* ─── FAB (Floating Action Button) ──────────────────────────────────────── */
.fab {
    position: fixed;
    bottom: var(--space-xl);
    right: var(--space-xl);
    width: 56px;
    height: 56px;
    border-radius: var(--radius-full);
    background: var(--accent-gradient);
    color: white;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    transition: all var(--transition-base);
    z-index: 100;
}

.fab:hover {
    transform: scale(1.1) rotate(90deg);
    box-shadow: var(--shadow-lg), 0 0 40px var(--accent-glow);
}

.fab svg {
    width: 24px;
    height: 24px;
}


/* ─── Forms ─────────────────────────────────────────────────────────────── */
.form-group {
    margin-bottom: var(--space-lg);
}

.form-label {
    display: block;
    font-size: var(--font-sm);
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: var(--space-sm);
}

.form-input,
.form-select {
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: var(--font-family);
    font-size: var(--font-base);
    transition: all var(--transition-fast);
    outline: none;
}

.form-input:focus,
.form-select:focus {
    background: var(--bg-input-focus);
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-input::placeholder {
    color: var(--text-muted);
}

.form-textarea {
    resize: vertical;
    min-height: 80px;
}

.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%238B8BA3' viewBox='0 0 16 16'%3E%3Cpath d='M4 6l4 4 4-4'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
    cursor: pointer;
}

.form-select option {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.form-input-file {
    padding: 0.5rem;
}

.form-input-file::file-selector-button {
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    background: var(--bg-glass);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    font-family: var(--font-family);
    cursor: pointer;
    margin-right: var(--space-md);
    transition: all var(--transition-fast);
}

.form-input-file::file-selector-button:hover {
    background: var(--bg-card-hover);
}

.form-help {
    display: block;
    margin-top: var(--space-xs);
    font-size: var(--font-xs);
    color: var(--text-muted);
}

.form-errors {
    color: var(--error);
    font-size: var(--font-sm);
    margin-top: var(--space-xs);
}

.form-errors ul {
    list-style: none;
}


/* ─── Auth Pages ────────────────────────────────────────────────────────── */
.auth-container {
    width: 100%;
    max-width: 440px;
}

.auth-card {
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

.auth-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 30% 20%, var(--accent-glow) 0%, transparent 50%);
    pointer-events: none;
    opacity: 0.3;
}

.auth-header {
    text-align: center;
    margin-bottom: var(--space-xl);
    position: relative;
}

.auth-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    font-size: var(--font-2xl);
    font-weight: 800;
    margin-bottom: var(--space-md);
    color: var(--text-primary);
}

.auth-logo svg {
    width: 32px;
    height: 32px;
    color: var(--accent-primary);
}

.auth-title {
    font-size: var(--font-xl);
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

.auth-subtitle {
    color: var(--text-secondary);
    font-size: var(--font-sm);
}

.auth-form {
    position: relative;
}

.auth-form .form-group {
    margin-bottom: var(--space-md);
}

.auth-form .btn-primary {
    width: 100%;
    justify-content: center;
    padding: 0.75rem;
    font-size: var(--font-base);
    margin-top: var(--space-sm);
}

.auth-footer {
    text-align: center;
    margin-top: var(--space-lg);
    font-size: var(--font-sm);
    color: var(--text-secondary);
    position: relative;
}

.auth-footer a {
    font-weight: 600;
}


/* ─── Modal ─────────────────────────────────────────────────────────────── */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    animation: fadeIn 0.2s ease forwards;
}

.modal-container {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    transform: translateY(20px) scale(0.96);
    animation: slideUp 0.3s ease forwards;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-lg) var(--space-xl);
    border-bottom: 1px solid var(--border-color);
}

.modal-title {
    font-size: var(--font-lg);
    font-weight: 700;
}

.modal-close {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background: var(--bg-glass);
    color: var(--text-primary);
}

.modal-close svg {
    width: 20px;
    height: 20px;
}

.modal-body {
    padding: var(--space-xl);
}

.modal-body .btn-primary {
    width: 100%;
    justify-content: center;
    margin-top: var(--space-md);
}


/* ─── Tabs ──────────────────────────────────────────────────────────────── */
.tabs {
    display: flex;
    gap: 0;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: var(--space-xl);
    position: relative;
}

.tab {
    padding: var(--space-md) var(--space-lg);
    color: var(--text-secondary);
    font-weight: 500;
    font-size: var(--font-sm);
    border: none;
    background: none;
    cursor: pointer;
    position: relative;
    transition: color var(--transition-fast);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.tab:hover {
    color: var(--text-primary);
}

.tab.active {
    color: var(--text-accent);
}

.tab.active::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--accent-gradient);
    border-radius: 1px 1px 0 0;
    animation: tabSlide 0.2s ease;
}

.tab svg {
    width: 16px;
    height: 16px;
}

.tab-badge {
    background: var(--bg-glass);
    border-radius: var(--radius-full);
    padding: 0 8px;
    font-size: 11px;
    font-weight: 600;
    line-height: 20px;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.3s ease;
}


/* ─── Expense List ──────────────────────────────────────────────────────── */
.expense-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.expense-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-lg);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.expense-item:hover {
    background: var(--bg-card-hover);
}

.expense-icon {
    width: 42px;
    height: 42px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.expense-icon svg {
    width: 20px;
    height: 20px;
    color: white;
}

.expense-info {
    flex: 1;
    min-width: 0;
}

.expense-desc {
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.expense-by {
    font-size: var(--font-xs);
    color: var(--text-muted);
    margin-top: 2px;
}

.expense-right-wrap {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-left: auto;
    flex-shrink: 0;
}

.expense-amount {
    font-weight: 700;
    font-size: var(--font-lg);
    white-space: nowrap;
    color: var(--text-primary);
}

.expense-actions {
    display: flex;
    gap: 4px;
    width: 68px;
    justify-content: flex-end;
    flex-shrink: 0;
}


/* ─── Balance List ──────────────────────────────────────────────────────── */
.balance-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.balance-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-lg);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
}

.balance-info {
    flex: 1;
}

.balance-label {
    font-size: var(--font-sm);
    color: var(--text-secondary);
}

.balance-amount {
    font-size: var(--font-xl);
    font-weight: 700;
    margin-top: var(--space-xs);
}

.balance-amount.owe {
    color: var(--error);
}

.balance-amount.owed {
    color: var(--success);
}

.balance-actions {
    display: flex;
    gap: var(--space-sm);
}


/* ─── Member List ───────────────────────────────────────────────────────── */
.member-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.member-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    border-radius: var(--radius-md);
    transition: background var(--transition-fast);
}

.member-item:hover {
    background: var(--bg-card);
}

.member-name {
    font-weight: 500;
}

.member-id {
    font-size: var(--font-xs);
    color: var(--text-muted);
    font-family: monospace;
}

.member-role {
    margin-left: auto;
    font-size: var(--font-xs);
    color: var(--text-accent);
    background: rgba(168, 85, 250, 0.1);
    padding: 2px 8px;
    border-radius: var(--radius-full);
}


/* ─── Invitation List ───────────────────────────────────────────────────── */
.invitation-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-lg);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-md);
}

.invitation-info {
    flex: 1;
}

.invitation-trip {
    font-weight: 600;
    font-size: var(--font-lg);
}

.invitation-from {
    font-size: var(--font-sm);
    color: var(--text-secondary);
    margin-top: var(--space-xs);
}

.invitation-actions {
    display: flex;
    gap: var(--space-sm);
}


/* ─── Stats Row ─────────────────────────────────────────────────────────── */
.stats-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    text-align: center;
}

.stat-value {
    font-size: var(--font-2xl);
    font-weight: 800;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: var(--font-sm);
    color: var(--text-secondary);
    margin-top: var(--space-xs);
}


/* ─── Trip Status ───────────────────────────────────────────────────────── */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: 4px 12px;
    border-radius: var(--radius-full);
    font-size: var(--font-xs);
    font-weight: 600;
}

.status-active {
    background: rgba(16, 185, 129, 0.15);
    color: var(--success);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.status-closed {
    background: rgba(239, 68, 68, 0.15);
    color: var(--error);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.status-dot {
    width: 6px;
    height: 6px;
    border-radius: var(--radius-full);
    background: currentColor;
    animation: pulse 2s ease-in-out infinite;
}


/* ─── Toast Notifications ───────────────────────────────────────────────── */
.toast-container {
    position: fixed;
    top: calc(var(--navbar-height) + var(--space-md));
    right: var(--space-xl);
    z-index: 3000;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    max-width: 400px;
}

.toast {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-md);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    animation: slideInRight 0.3s ease, fadeOut 0.3s ease 4.7s forwards;
    border: 1px solid;
}

.toast-content {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: var(--font-sm);
    font-weight: 500;
}

.toast-content svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.toast-close {
    background: none;
    border: none;
    color: inherit;
    cursor: pointer;
    opacity: 0.6;
    padding: 4px;
    display: flex;
}

.toast-close:hover {
    opacity: 1;
}

.toast-close svg {
    width: 16px;
    height: 16px;
}

.toast-success {
    background: rgba(16, 185, 129, 0.15);
    border-color: rgba(16, 185, 129, 0.2);
    color: var(--success);
}

.toast-error {
    background: rgba(239, 68, 68, 0.15);
    border-color: rgba(239, 68, 68, 0.2);
    color: var(--error);
}

.toast-warning {
    background: rgba(245, 158, 11, 0.15);
    border-color: rgba(245, 158, 11, 0.2);
    color: var(--warning);
}

.toast-info {
    background: rgba(59, 130, 246, 0.15);
    border-color: rgba(59, 130, 246, 0.2);
    color: var(--info);
}


/* ─── Profile Page ──────────────────────────────────────────────────────── */
.profile-header {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
    margin-bottom: var(--space-2xl);
}

.profile-id {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 6px 16px;
    border-radius: var(--radius-full);
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    font-family: monospace;
    font-size: var(--font-sm);
    color: var(--text-accent);
    margin-top: var(--space-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.profile-id:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-hover);
}

.profile-id svg {
    width: 14px;
    height: 14px;
}

.profile-form-card {
    max-width: 600px;
}


/* ─── Empty State ───────────────────────────────────────────────────────── */
.empty-state {
    text-align: center;
    padding: var(--space-2xl) var(--space-xl);
    color: var(--text-muted);
}

.empty-state svg {
    width: 64px;
    height: 64px;
    margin-bottom: var(--space-md);
    opacity: 0.3;
}

.empty-state h3 {
    font-size: var(--font-lg);
    color: var(--text-secondary);
    margin-bottom: var(--space-sm);
}

.empty-state p {
    font-size: var(--font-sm);
    max-width: 400px;
    margin: 0 auto;
}


/* ─── Utility ───────────────────────────────────────────────────────────── */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--text-muted); }
.text-accent { color: var(--text-accent); }
.text-success { color: var(--success); }
.text-error { color: var(--error); }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.d-flex { display: flex; }
.align-center { align-items: center; }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.flex-1 { flex: 1; }
.hidden { display: none !important; }


/* ─── Animations ────────────────────────────────────────────────────────── */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes fadeOut {
    from { opacity: 1; }
    to { opacity: 0; pointer-events: none; }
}

@keyframes slideUp {
    from {
        transform: translateY(20px) scale(0.96);
        opacity: 0;
    }
    to {
        transform: translateY(0) scale(1);
        opacity: 1;
    }
}

@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes tabSlide {
    from { transform: scaleX(0); }
    to { transform: scaleX(1); }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

.stagger-in > * {
    animation: fadeIn 0.3s ease backwards;
}

.stagger-in > *:nth-child(1) { animation-delay: 0.05s; }
.stagger-in > *:nth-child(2) { animation-delay: 0.1s; }
.stagger-in > *:nth-child(3) { animation-delay: 0.15s; }
.stagger-in > *:nth-child(4) { animation-delay: 0.2s; }
.stagger-in > *:nth-child(5) { animation-delay: 0.25s; }
.stagger-in > *:nth-child(6) { animation-delay: 0.3s; }
.stagger-in > *:nth-child(7) { animation-delay: 0.35s; }
.stagger-in > *:nth-child(8) { animation-delay: 0.4s; }


/* ─── Responsive ────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
    .navbar {
        padding: 0 var(--space-md);
    }

    .main-content {
        padding-left: var(--space-md);
        padding-right: var(--space-md);
    }

    .page-title {
        font-size: var(--font-2xl);
    }

    .card-grid {
        grid-template-columns: 1fr;
    }

    .stats-row {
        grid-template-columns: 1fr 1fr;
    }

    .expense-item {
        flex-wrap: wrap;
    }

    .balance-item {
        flex-direction: column;
        text-align: center;
    }

    .balance-actions {
        width: 100%;
        justify-content: center;
    }

    .profile-header {
        flex-direction: column;
        text-align: center;
    }

    .toast-container {
        left: var(--space-md);
        right: var(--space-md);
        max-width: none;
    }

    .fab {
        bottom: var(--space-md);
        right: var(--space-md);
    }
}

@media (max-width: 480px) {
    .tabs {
        overflow-x: auto;
    }

    .tab {
        padding: var(--space-sm) var(--space-md);
        font-size: var(--font-xs);
    }

    .auth-card {
        padding: var(--space-xl);
    }
}

/* ─── Notification Dropdown Styles ───────────────────────────────────────── */
.dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-menu {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    width: 320px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    z-index: 2500;
    display: none;
    flex-direction: column;
    overflow: hidden;
    animation: slideUp 0.2s ease forwards;
}

.dropdown-menu.active {
    display: flex;
}

.dropdown-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md);
    border-bottom: 1px solid var(--border-color);
}

.dropdown-body {
    max-height: 320px;
    overflow-y: auto;
}

.dropdown-footer {
    padding: var(--space-sm) var(--space-md);
    border-top: 1px solid var(--border-color);
    text-align: center;
    background: rgba(0, 0, 0, 0.2);
}

.notification-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    padding: var(--space-md);
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
    transition: background var(--transition-fast);
}

.notification-item:hover {
    background: var(--bg-card-hover);
}

.notification-item.unread {
    background: rgba(108, 92, 231, 0.08);
}

.notif-icon {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-md);
    background: var(--bg-glass);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: var(--accent-primary);
}

.notif-icon svg {
    width: 16px;
    height: 16px;
}

.notif-content {
    flex: 1;
    min-width: 0;
}

.notif-title {
    font-size: var(--font-xs);
    font-weight: 700;
}

.notif-msg {
    font-size: 11px;
    color: var(--text-secondary);
    margin-top: 2px;
    line-height: 1.3;
}

.notif-time {
    font-size: 10px;
    color: var(--text-muted);
    margin-top: 4px;
}

.empty-notif {
    padding: var(--space-xl);
    text-align: center;
    color: var(--text-muted);
    font-size: var(--font-xs);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-xs);
}

/* ─── Theme Toggle Component ─────────────────────────────────────────────── */
.theme-toggle-group {
    display: inline-flex;
    background: var(--bg-input);
    padding: 3px;
    border-radius: var(--radius-full);
    border: 1px solid var(--border-color);
}

.theme-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    border: none;
    border-radius: var(--radius-full);
    background: transparent;
    color: var(--text-secondary);
    font-size: var(--font-xs);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.theme-btn svg {
    width: 14px;
    height: 14px;
}

.theme-btn:hover {
    color: var(--text-primary);
}

.theme-btn.active {
    background: var(--accent-gradient);
    color: #FFFFFF;
    box-shadow: var(--shadow-sm);
}


.btn-ghost-sm {
    background: none;
    border: none;
    color: var(--text-accent);
    cursor: pointer;
}

.btn-ghost-sm:hover {
    text-decoration: underline;
}

/* ─── User Account Dropdown & Mobile Fullscreen Drawer ───────────────────────── */
.btn-user-dropdown {
    display: flex;
    align-items: center;
    gap: 6px;
    background: transparent;
    border: none;
    cursor: pointer;
}

.user-dropdown-chevron {
    width: 14px;
    height: 14px;
    color: var(--text-secondary);
}

.user-account-drawer {
    width: 260px;
    right: 0;
    left: auto;
}

/* Mobile drawer header MUST be hidden on desktop */
.mobile-drawer-header {
    display: none !important;
}

.user-dropdown-profile-box {
    padding: var(--space-md);
    border-bottom: 1px solid var(--border-color);
}

.user-dropdown-name {
    font-weight: 700;
    font-size: var(--font-sm);
    color: var(--text-primary);
}

.user-dropdown-id {
    font-size: 11px;
    color: var(--text-muted);
    font-family: monospace;
    margin-top: 2px;
}

.user-dropdown-settings-box {
    padding: var(--space-md);
    border-bottom: 1px solid var(--border-color);
}

.user-dropdown-settings-label {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    margin-bottom: var(--space-xs);
}

.user-dropdown-settings-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.user-dropdown-theme-title {
    font-size: var(--font-xs);
    color: var(--text-secondary);
}

.user-dropdown-links-list {
    padding: var(--space-xs) 0;
    display: flex;
    flex-direction: column;
}

.user-dropdown-link-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 16px;
    border: none;
    background: transparent;
    text-decoration: none;
    color: var(--text-primary);
    font-size: var(--font-sm);
    font-weight: 500;
    transition: background var(--transition-fast);
    cursor: pointer;
}

.user-dropdown-link-item:hover {
    background: var(--bg-card-hover);
}

.user-dropdown-icon {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.user-dropdown-icon-workspaces {
    color: var(--accent-primary);
}

.user-dropdown-icon-rate {
    color: #F59E0B;
}

.user-dropdown-icon-profile {
    color: var(--text-secondary);
}

.user-dropdown-logout-form {
    margin: 0;
    padding: 0;
    width: 100%;
}

.user-dropdown-logout-btn {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 16px;
    border: none;
    background: transparent;
    color: var(--error);
    font-size: var(--font-sm);
    font-weight: 500;
    font-family: inherit;
    cursor: pointer;
    text-align: left;
    transition: background var(--transition-fast);
}

.user-dropdown-logout-btn:hover {
    background: rgba(239, 68, 68, 0.1);
}

.user-dropdown-icon-logout {
    color: var(--error);
}


/* ─── Mobile Fullscreen Drawer View (max-width: 768px) ─────────────────────── */
@keyframes drawerSlideUp {
    from {
        opacity: 0;
        transform: translateY(100%);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 768px) {
    #user-dropdown-menu.dropdown-menu.active {
        position: fixed !important;
        top: 0 !important;
        left: 0 !important;
        right: 0 !important;
        bottom: 0 !important;
        width: 100vw !important;
        height: 100vh !important;
        max-height: 100vh !important;
        border-radius: 0 !important;
        border: none !important;
        z-index: 99999 !important;
        background: var(--bg-secondary) !important;
        display: flex !important;
        flex-direction: column !important;
        padding: var(--space-lg) !important;
        overflow-y: auto !important;
        animation: drawerSlideUp 0.25s cubic-bezier(0.16, 1, 0.3, 1) forwards !important;
    }

    .mobile-drawer-header {
        display: flex !important;
        align-items: center !important;
        justify-content: space-between !important;
        padding-bottom: var(--space-md) !important;
        border-bottom: 1px solid var(--border-color) !important;
        margin-bottom: var(--space-md) !important;
    }

    .mobile-drawer-title {
        font-weight: 700;
        font-size: var(--font-lg);
        color: var(--text-primary);
        display: flex;
        align-items: center;
        gap: 10px;
    }

    .mobile-drawer-icon {
        width: 22px;
        height: 22px;
        color: var(--accent-primary);
    }

    .drawer-close-btn {
        background: var(--bg-card) !important;
        border: 1px solid var(--border-color) !important;
        border-radius: var(--radius-full) !important;
        width: 40px !important;
        height: 40px !important;
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
        color: var(--text-primary) !important;
        cursor: pointer !important;
        padding: 0 !important;
    }

    .drawer-close-icon {
        width: 20px;
        height: 20px;
    }

    .user-dropdown-link-item,
    .user-dropdown-logout-btn {
        padding: 16px 20px !important;
        font-size: var(--font-base) !important;
        border-radius: var(--radius-md) !important;
    }
}

/* ═══════════════════════════════════════════════════════════════════════════
   MAIN NAVIGATION & AUTH LAYOUT STYLES
   ═══════════════════════════════════════════════════════════════════════════ */
.navbar-nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

.main-nav-menu {
    display: flex;
    align-items: center;
}

.main-nav-menu .nav-menu-list {
    display: flex !important;
    flex-direction: row !important;
    align-items: center !important;
    gap: 24px !important;
    list-style: none !important;
    margin: 0 !important;
    padding: 0 !important;
}

.main-nav-menu .nav-menu-item {
    display: inline-flex;
    align-items: center;
}

.main-nav-menu .menu-link {
    color: var(--text-secondary);
    font-size: var(--font-sm);
    font-weight: 600;
    text-decoration: none;
    padding: 6px 12px;
    border-radius: var(--radius-md);
    transition: all 0.2s ease;
}

.main-nav-menu .menu-link:hover {
    color: #FFFFFF;
    background: rgba(108, 92, 231, 0.15);
}

.main-content {
    width: 100%;
    min-height: calc(100vh - 64px);
    display: flex;
    flex-direction: column;
}

.auth-container {
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    justify-content: center !important;
    flex: 1 !important;
    min-height: calc(100vh - 120px) !important;
    width: 100% !important;
    padding: var(--space-2xl) var(--space-md) !important;
    margin: 0 auto !important;
}

.auth-card {
    width: 100% !important;
    max-width: 440px !important;
    margin: 0 auto !important;
    padding: 36px 32px !important;
    background: #18162A !important;
    border: 1px solid rgba(168, 85, 247, 0.4) !important;
    border-radius: var(--radius-xl) !important;
    backdrop-filter: blur(20px) !important;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6), 0 0 50px rgba(108, 92, 231, 0.3) !important;
    color: var(--text-primary) !important;
}

.profile-container {
    display: flex !important;
    flex-direction: column !important;
    max-width: 800px !important;
    margin: 0 auto !important;
    padding: var(--space-xl) var(--space-md) !important;
    width: 100% !important;
}

.profile-card {
    width: 100% !important;
    margin: 0 auto !important;
    padding: 32px !important;
    background: #18162A !important;
    border: 1px solid rgba(168, 85, 247, 0.4) !important;
    border-radius: var(--radius-xl) !important;
    backdrop-filter: blur(20px) !important;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6), 0 0 50px rgba(108, 92, 231, 0.3) !important;
}

.auth-header {
    text-align: center;
    margin-bottom: var(--space-xl);
}

.auth-logo {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: var(--font-xl);
    font-weight: 800;
    margin-bottom: var(--space-sm);
    color: var(--text-primary);
}

.auth-title {
    font-size: var(--font-2xl);
    font-weight: 800;
    margin-bottom: 4px;
    color: #FFFFFF;
}

.auth-subtitle {
    font-size: var(--font-sm);
    color: var(--text-secondary);
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.auth-footer {
    text-align: center;
    margin-top: var(--space-lg);
    font-size: var(--font-sm);
    color: var(--text-secondary);
}

.auth-footer a {
    color: #C084FC;
    font-weight: 600;
    text-decoration: none;
}

.auth-footer a:hover {
    text-decoration: underline;
}


/* ─── Form Success State (Global) ────────────────────────────────────────── */
.form-success-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--space-2xl) var(--space-xl);
    min-height: 280px;
    animation: formSuccessFadeIn 0.6s ease-out;
}

.form-success-state__icon {
    width: 72px;
    height: 72px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.15), rgba(16, 185, 129, 0.08));
    border: 2px solid rgba(16, 185, 129, 0.35);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-lg);
    animation: formSuccessPulse 2s ease-in-out infinite;
}

.form-success-state__icon svg {
    width: 36px;
    height: 36px;
    color: #10B981;
    stroke-width: 2.5;
}

.form-success-state__title {
    font-size: var(--font-xl);
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
}

.form-success-state__message {
    font-size: var(--font-base);
    color: var(--text-secondary);
    line-height: 1.6;
    max-width: 400px;
}

}

/* ═══════════════════════════════════════════════════════════════════════════
   MAIN NAVIGATION & AUTH LAYOUT STYLES
   ═══════════════════════════════════════════════════════════════════════════ */
.navbar-nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

.main-nav-menu {
    display: flex;
    align-items: center;
}

.main-nav-menu .nav-menu-list {
    display: flex !important;
    flex-direction: row !important;
    align-items: center !important;
    gap: 24px !important;
    list-style: none !important;
    margin: 0 !important;
    padding: 0 !important;
}

.main-nav-menu .nav-menu-item {
    display: inline-flex;
    align-items: center;
}

.main-nav-menu .menu-link {
    color: var(--text-secondary);
    font-size: var(--font-sm);
    font-weight: 600;
    text-decoration: none;
    padding: 6px 12px;
    border-radius: var(--radius-md);
    transition: all 0.2s ease;
}

.main-nav-menu .menu-link:hover {
    color: #FFFFFF;
    background: rgba(108, 92, 231, 0.15);
}

.main-content {
    width: 100%;
    min-height: calc(100vh - 64px);
    display: flex;
    flex-direction: column;
}

.auth-container {
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    justify-content: center !important;
    flex: 1 !important;
    min-height: calc(100vh - 120px) !important;
    width: 100% !important;
    padding: var(--space-2xl) var(--space-md) !important;
    margin: 0 auto !important;
}

.auth-card {
    width: 100% !important;
    max-width: 440px !important;
    margin: 0 auto !important;
    padding: 36px 32px !important;
    background: #18162A !important;
    border: 1px solid rgba(168, 85, 247, 0.4) !important;
    border-radius: var(--radius-xl) !important;
    backdrop-filter: blur(20px) !important;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6), 0 0 50px rgba(108, 92, 231, 0.3) !important;
    color: var(--text-primary) !important;
}

.profile-container {
    display: flex !important;
    flex-direction: column !important;
    max-width: 800px !important;
    margin: 0 auto !important;
    padding: var(--space-xl) var(--space-md) !important;
    width: 100% !important;
}

.profile-card {
    width: 100% !important;
    margin: 0 auto !important;
    padding: 32px !important;
    background: #18162A !important;
    border: 1px solid rgba(168, 85, 247, 0.4) !important;
    border-radius: var(--radius-xl) !important;
    backdrop-filter: blur(20px) !important;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6), 0 0 50px rgba(108, 92, 231, 0.3) !important;
}

.auth-header {
    text-align: center;
    margin-bottom: var(--space-xl);
}

.auth-logo {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: var(--font-xl);
    font-weight: 800;
    margin-bottom: var(--space-sm);
    color: var(--text-primary);
}

.auth-title {
    font-size: var(--font-2xl);
    font-weight: 800;
    margin-bottom: 4px;
    color: #FFFFFF;
}

.auth-subtitle {
    font-size: var(--font-sm);
    color: var(--text-secondary);
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.auth-footer {
    text-align: center;
    margin-top: var(--space-lg);
    font-size: var(--font-sm);
    color: var(--text-secondary);
}

.auth-footer a {
    color: #C084FC;
    font-weight: 600;
    text-decoration: none;
}

.auth-footer a:hover {
    text-decoration: underline;
}


/* ─── Form Success State (Global) ────────────────────────────────────────── */
.form-success-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--space-2xl) var(--space-xl);
    min-height: 280px;
    animation: formSuccessFadeIn 0.6s ease-out;
}

.form-success-state__icon {
    width: 72px;
    height: 72px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.15), rgba(16, 185, 129, 0.08));
    border: 2px solid rgba(16, 185, 129, 0.35);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-lg);
    animation: formSuccessPulse 2s ease-in-out infinite;
}

.form-success-state__icon svg {
    width: 36px;
    height: 36px;
    color: #10B981;
    stroke-width: 2.5;
}

.form-success-state__title {
    font-size: var(--font-xl);
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
}

.form-success-state__message {
    font-size: var(--font-base);
    color: var(--text-secondary);
    line-height: 1.6;
    max-width: 400px;
}

@keyframes formSuccessFadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes formSuccessPulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.2); }
    50% { box-shadow: 0 0 0 12px rgba(16, 185, 129, 0); }
}

/* ─── Responsive Inline Form Row (Flex Gap Small) ───────────────────────── */
.flex-gap-sm {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: var(--space-sm, 8px);
}

.flex-gap-sm .form-input {
    flex: 1;
    min-width: 0;
}

.flex-gap-sm .btn {
    white-space: nowrap;
    flex-shrink: 0;
}

@media (max-width: 600px) {
    .flex-gap-sm {
        flex-direction: column;
        align-items: stretch;
    }

    .flex-gap-sm .form-input,
    .flex-gap-sm .btn {
        width: 100%;
    }
}

/* ─── Page Header Title & Status Badge Alignment ──────────────────────── */
.page-header-title {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm, 10px);
    flex-wrap: wrap;
    margin: 0;
}

.status-badge-inline {
    display: inline-flex;
    align-items: center;
    vertical-align: middle;
    font-size: var(--font-xs, 0.75rem);
    padding: 4px 10px;
}

/* ─── Section Headers & Icons Alignment ───────────────────────────────── */
.section-title-md,
.card-heading {
    display: flex !important;
    align-items: center !important;
    gap: var(--space-sm, 8px) !important;
}

.section-title-md svg,
.section-title-md i,
.card-heading svg,
.card-heading i,
.icon-inline-sm,
.icon-inline-accent,
.icon-inline {
    display: inline-flex !important;
    align-items: center !important;
    vertical-align: middle !important;
    flex-shrink: 0 !important;
}

/* ─── Invite Form Sizing ──────────────────────────────────────────────── */
.invite-form-group {
    max-width: 520px;
    width: 100%;
}

.invite-input {
    height: 44px;
    padding: 0 16px;
}

.invite-btn {
    height: 44px;
    padding: 0 24px;
    font-size: var(--font-sm);
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    white-space: nowrap;
    flex-shrink: 0;
}

/* ─── Page Header Actions Alignment ───────────────────────────────────── */
.page-header-actions {
    display: flex !important;
    flex-direction: row !important;
    align-items: center !important;
    gap: var(--space-sm, 10px) !important;
    flex-wrap: nowrap !important;
}

.page-header-actions .btn {
    white-space: nowrap !important;
}

/* ─── Global Loading Spinner Keyframes ────────────────────────────────── */
@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ─── Page Header Icon / Avatar Sizing ────────────────────────────────── */
.page-header-info {
    display: flex !important;
    align-items: center !important;
    gap: var(--space-md, 16px) !important;
}

.page-header-icon,
.card-icon {
    width: 56px !important;
    height: 56px !important;
    min-width: 56px !important;
    min-height: 56px !important;
    border-radius: var(--radius-lg, 12px) !important;
    background: linear-gradient(135deg, rgba(108, 92, 231, 0.25), rgba(168, 85, 247, 0.25)) !important;
    border: 1px solid rgba(168, 85, 247, 0.35) !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    overflow: hidden !important;
    flex-shrink: 0 !important;
    font-weight: 800;
    font-size: var(--font-lg);
    color: var(--text-primary);
}

.page-header-icon img,
.card-icon img {
    width: 100% !important;
    height: 100% !important;
    object-fit: cover !important;
    border-radius: inherit !important;
}

/* ─── Analytics Stat Banner Grid & Cards ───────────────────────────────── */
.stat-banner-card {
    display: grid !important;
    grid-template-columns: repeat(3, 1fr) !important;
    gap: var(--space-md) !important;
    padding: var(--space-lg) !important;
    background: var(--bg-card) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: var(--radius-lg) !important;
}

.banner-stat {
    display: flex !important;
    flex-direction: column !important;
    gap: 8px !important;
    padding: var(--space-md) var(--space-lg) !important;
    background: rgba(255, 255, 255, 0.03) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: var(--radius-md) !important;
    transition: all 0.2s ease;
}

.banner-stat:hover {
    background: rgba(255, 255, 255, 0.05) !important;
    border-color: rgba(168, 85, 247, 0.3) !important;
}

.banner-label {
    display: flex !important;
    align-items: center !important;
    gap: 8px !important;
    font-size: var(--font-sm) !important;
    color: var(--text-secondary) !important;
    font-weight: 600 !important;
}

.banner-label svg,
.banner-label i {
    display: inline-flex !important;
    align-items: center !important;
    vertical-align: middle !important;
    flex-shrink: 0 !important;
}

.banner-value {
    font-size: var(--font-2xl) !important;
    font-weight: 800 !important;
    color: var(--text-primary) !important;
    font-family: var(--font-mono, monospace) !important;
    letter-spacing: -0.02em !important;
}

@media (max-width: 640px) {
    .stat-banner-card {
        grid-template-columns: 1fr !important;
    }
}

/* ─── Analytics Chart & Data Table ────────────────────────────────────── */
.chart-card {
    padding: var(--space-lg) !important;
}

.chart-header {
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    margin-bottom: var(--space-lg) !important;
    flex-wrap: wrap !important;
    gap: var(--space-sm) !important;
}

.chart-body {
    position: relative !important;
    width: 100% !important;
    min-height: 280px !important;
}

.chart-tooltip {
    position: absolute !important;
    padding: 8px 12px !important;
    background: #18162A !important;
    border: 1px solid rgba(168, 85, 247, 0.4) !important;
    border-radius: var(--radius-md) !important;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5) !important;
    font-size: var(--font-xs) !important;
    color: var(--text-primary) !important;
    pointer-events: none !important;
    opacity: 0;
    transition: opacity 0.15s ease;
    z-index: 10 !important;
}

.chart-table-wrap {
    width: 100% !important;
    overflow-x: auto !important;
}

.data-table {
    width: 100% !important;
    border-collapse: collapse !important;
    text-align: left !important;
}

.data-table th,
.data-table td {
    padding: 12px 16px !important;
    border-bottom: 1px solid var(--border-color) !important;
}

.data-table th {
    font-size: var(--font-xs) !important;
    text-transform: uppercase !important;
    color: var(--text-muted) !important;
    font-weight: 700 !important;
    letter-spacing: 0.05em !important;
}

.day-dot {
    display: inline-block !important;
    width: 10px !important;
    height: 10px !important;
    border-radius: 50% !important;
    margin-right: 8px !important;
    vertical-align: middle !important;
}

/* ─── Tab Header Actions & Dropdown Positioning ───────────────────────── */
.tab-header-actions {
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    margin-bottom: var(--space-md) !important;
    flex-wrap: wrap !important;
    gap: var(--space-sm) !important;
    position: relative !important;
    z-index: 10 !important;
}

.dropdown {
    position: relative !important;
    display: inline-block !important;
}

.dropdown-menu {
    position: absolute !important;
    top: calc(100% + 6px) !important;
    left: 0 !important;
    min-width: 180px !important;
    background: #18162A !important;
    border: 1px solid rgba(168, 85, 247, 0.4) !important;
    border-radius: var(--radius-lg) !important;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.6), 0 0 30px rgba(108, 92, 231, 0.2) !important;
    padding: 6px !important;
    display: none;
    flex-direction: column !important;
    gap: 4px !important;
    z-index: 100 !important;
}

.dropdown.is-open .dropdown-menu,
.dropdown-menu.active {
    display: flex !important;
}

.dropdown-item {
    display: flex !important;
    align-items: center !important;
    gap: 8px !important;
    padding: 8px 12px !important;
    color: var(--text-primary) !important;
    font-size: var(--font-sm) !important;
    font-weight: 500 !important;
    text-decoration: none !important;
    border-radius: var(--radius-md) !important;
    transition: background 0.15s ease !important;
}

.dropdown-item:hover {
    background: rgba(108, 92, 231, 0.2) !important;
    color: #FFFFFF !important;
}

.dropdown-item svg,
.dropdown-item i {
    width: 16px !important;
    height: 16px !important;
    color: var(--accent-primary) !important;
    flex-shrink: 0 !important;
}