@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

:root {
    --primary-color: #10b981; /* Green like in the logo/active buttons */
    --primary-hover: #059669;
    --primary-light: #ecfdf5;
    --bg-light: #f8fafc; /* Slate 50 - soft light grey background */
    --card-bg: #ffffff;
    --text-main: #1e293b; /* Slate 800 */
    --text-muted: #64748b; /* Slate 500 */
    --border-color: #e2e8f0; /* Slate 200 */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --sidebar-width: 260px;
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
}

/* Enhanced Buttons */
.btn-primary-custom {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-hover) 50%, var(--primary-color) 100%);
    background-size: 200% auto;
    color: #ffffff;
    border: none;
    border-radius: 8px;
    font-weight: 500;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.25);
    position: relative;
    overflow: hidden;
}

.btn-primary-custom::after {
    content: '';
    position: absolute;
    top: 0; left: -100%; width: 50%; height: 100%;
    background: linear-gradient(to right, rgba(255,255,255,0) 0%, rgba(255,255,255,0.3) 50%, rgba(255,255,255,0) 100%);
    transform: skewX(-20deg);
    transition: all 0.6s ease;
}

.btn-primary-custom:hover {
    background-position: right center;
    color: #ffffff;
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 8px 25px rgba(16, 185, 129, 0.4);
}

.btn-primary-custom:hover::after {
    left: 150%;
}

.btn-primary-custom:active {
    transform: translateY(1px) scale(0.97);
    box-shadow: 0 2px 10px rgba(16, 185, 129, 0.2);
}

/* Base resets & typography */
body {
    background-color: var(--bg-light);
    color: var(--text-main);
    font-family: var(--font-body);
    font-size: 14px;
    line-height: 1.5;
    margin: 0;
    padding: 0;
    overflow-x: hidden;
    transition: background-color 0.3s ease, color 0.3s ease;
    position: relative;
    min-height: 100vh;
}

#vanta-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

/* Ensure content sits above Vanta BG */
.app-container, .auth-container {
    position: relative;
    z-index: 10;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
}

/* Glassmorphism & custom utility classes */
.glass-card {
    background: rgba(255, 255, 255, 0.80);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-top: 1px solid rgba(255, 255, 255, 0.8);
    border-radius: 12px;
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.glass-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px 0 rgba(31, 38, 135, 0.1);
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.reveal-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.2, 0.8, 0.2, 1), transform 0.8s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.reveal-on-scroll.revealed {
    opacity: 1;
    transform: translateY(0);
}

.animate-fade-in {
    animation: fadeInUp 0.6s ease-out forwards;
}

.custom-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
    box-shadow: var(--shadow-sm);
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    position: relative;
    overflow: hidden;
}

.custom-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 100%; height: 4px;
    background: linear-gradient(90deg, var(--primary-color), #34d399);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.custom-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.custom-card:hover::before {
    opacity: 1;
}

/* Layout */
.app-container {
    display: flex;
    min-height: 100vh;
}

/* Sidebar Styling */
.app-sidebar {
    width: var(--sidebar-width);
    background-color: #ffffff;
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    z-index: 100;
    transition: all 0.3s ease;
}

.sidebar-brand {
    padding: 24px 24px;
    display: flex;
    align-items: center;
    font-family: var(--font-heading);
    font-size: 22px;
    font-weight: 700;
    color: var(--text-main);
    text-decoration: none !important;
}

.brand-icon {
    width: 28px;
    height: 28px;
    background-color: var(--primary-color);
    border-radius: 50%;
    margin-right: 10px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 14px;
    font-weight: bold;
    box-shadow: 0 0 10px rgba(16, 185, 129, 0.4);
}

.sidebar-menu {
    padding: 0 16px;
    flex-grow: 1;
}

.menu-item {
    display: flex;
    align-items: center;
    padding: 12px 16px;
    margin-bottom: 6px;
    color: var(--text-muted);
    font-weight: 500;
    text-decoration: none !important;
    border-radius: 8px;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    position: relative;
}

.menu-item i {
    margin-right: 12px;
    font-size: 18px;
}

.menu-item:hover {
    color: var(--text-main);
    background-color: var(--bg-light);
    transform: translateX(4px);
}

.menu-item.active {
    color: #ffffff;
    background: linear-gradient(90deg, var(--primary-color) 0%, var(--primary-hover) 100%);
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

.sidebar-footer {
    padding: 20px;
    border-top: 1px solid var(--border-color);
    font-size: 12px;
    color: var(--text-muted);
}

/* Main Content Area */
.app-main {
    margin-left: var(--sidebar-width);
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    transition: all 0.3s ease;
}

/* Header Styling */
.app-header {
    background-color: #ffffff;
    border-bottom: 1px solid var(--border-color);
    height: 70px;
    padding: 0 30px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 90;
}

.header-search {
    width: 320px;
    position: relative;
}

.header-search input {
    background-color: #f1f5f9;
    border: none;
    border-radius: 8px;
    padding: 8px 16px 8px 36px;
    font-size: 14px;
    width: 100%;
    outline: none;
    transition: all 0.2s ease;
}

.header-search input:focus {
    background-color: #e2e8f0;
}

.header-search i {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 20px;
}

.btn-icon {
    background: none;
    border: none;
    font-size: 20px;
    color: var(--text-muted);
    cursor: pointer;
    position: relative;
    padding: 4px;
    border-radius: 50%;
    transition: all 0.2s;
}

.btn-icon:hover {
    background-color: #f1f5f9;
    color: var(--text-main);
}

.badge-dot {
    position: absolute;
    top: 2px;
    right: 2px;
    width: 8px;
    height: 8px;
    background-color: #ef4444;
    border-radius: 50%;
    border: 2px solid white;
}

.user-profile-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    background-color: var(--primary-color);
    color: white !important;
    border: none;
    border-radius: 20px;
    padding: 6px 16px;
    font-weight: 500;
    text-decoration: none !important;
    transition: all 0.2s ease;
    box-shadow: 0 2px 8px rgba(16, 185, 129, 0.2);
}

.user-profile-btn:hover {
    background-color: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

.user-profile-btn i {
    font-size: 16px;
}

/* Page Container */
.page-content {
    padding: 30px;
    flex-grow: 1;
}

/* Table Card Layout */
.events-table-card {
    background-color: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.table-header-row {
    display: flex;
    background-color: #ffffff;
    border-bottom: 1px solid var(--border-color);
    padding: 14px 20px;
    font-weight: 600;
    color: var(--text-muted);
    font-family: var(--font-heading);
}

.table-col-name { flex: 2; }
.table-col-time { flex: 1.5; }
.table-col-source { flex: 1; }
.table-col-desc { flex: 3; }
.table-col-actions { flex: 1.5; text-align: right; }

.event-item-card {
    display: flex;
    align-items: center;
    background-color: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 16px 20px;
    margin-bottom: 12px;
    box-shadow: var(--shadow-sm);
    transition: all 0.2s ease;
    position: relative;
}

.event-item-card:hover {
    transform: translateX(4px);
    box-shadow: var(--shadow-md);
}

/* Colorful Left Border Indicators */
.event-item-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10%;
    bottom: 10%;
    width: 4px;
    border-radius: 0 4px 4px 0;
}

.event-indicator-confirmed::before {
    background-color: var(--primary-color);
}

.event-indicator-upcoming::before {
    background-color: #f59e0b; /* Orange */
}

.event-indicator-sent::before {
    background-color: #3b82f6; /* Blue */
}

.event-indicator-failed::before {
    background-color: #ef4444; /* Red */
}

.event-name-text {
    font-weight: 600;
    color: var(--text-main);
    font-size: 15px;
}

.event-desc-text {
    color: var(--text-muted);
    font-size: 13.5px;
    max-height: 40px;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

/* Badges & Pill status indicators */
.badge-pill {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 4px 12px;
    font-size: 12px;
    font-weight: 600;
    border-radius: 100px;
    text-transform: capitalize;
    border: none;
}

.badge-confirmed {
    background-color: #d1fae5;
    color: #065f46;
}

.badge-upcoming {
    background-color: #fef3c7;
    color: #92400e;
}

.badge-sent {
    background-color: #dbeafe;
    color: #1e40af;
}

.badge-failed {
    background-color: #fee2e2;
    color: #991b1b;
}

/* Actions styling */
.action-link-edit {
    color: #2563eb;
    text-decoration: none;
    font-weight: 500;
    margin-right: 12px;
    transition: opacity 0.2s;
}

.action-link-edit:hover {
    text-decoration: underline;
    opacity: 0.8;
}

.action-link-delete {
    color: #dc2626;
    text-decoration: none;
    font-weight: 500;
    transition: opacity 0.2s;
}

.action-link-delete:hover {
    text-decoration: underline;
    opacity: 0.8;
}

/* Buttons */
.btn-primary-custom {
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 8px;
    padding: 10px 24px;
    font-weight: 500;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.15);
    transition: all 0.2s ease;
}

.btn-primary-custom:hover {
    background-color: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(16, 185, 129, 0.25);
    color: white;
}

.btn-blue-custom {
    background-color: #2563eb;
    color: white;
    border: none;
    border-radius: 8px;
    padding: 12px 24px;
    font-weight: 600;
    font-family: var(--font-heading);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.15);
    transition: all 0.2s ease;
    text-decoration: none !important;
}

.btn-blue-custom:hover {
    background-color: #1d4ed8;
    color: white;
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(37, 99, 235, 0.25);
}

/* Authentication Page Styles */
.auth-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: radial-gradient(circle at top left, #ecfdf5, #f8fafc);
    padding: 20px;
}

.auth-container {
    width: 100%;
    max-width: 440px;
}

.auth-logo {
    text-align: center;
    margin-bottom: 24px;
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 28px;
    color: var(--text-main);
}

/* Stat Cards */
.stat-card {
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: var(--shadow-sm);
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}

/* Responsive collapse rules */
@media (max-width: 991.98px) {
    .app-sidebar {
        transform: translateX(-100%);
    }
    .app-sidebar.show {
        transform: translateX(0);
    }
    .app-main {
        margin-left: 0;
    }
    .header-search {
        width: 200px;
    }
}

/* --- Dark Theme Variables & Component Overrides --- */
:root[data-theme="dark"] {
    --bg-light: #0f172a; /* Slate 900 */
    --card-bg: #1e293b; /* Slate 800 */
    --text-main: #f8fafc; /* Slate 50 */
    --text-muted: #94a3b8; /* Slate 400 */
    --border-color: #334155; /* Slate 700 */
}

:root[data-theme="dark"] body {
    background-color: var(--bg-light);
    color: var(--text-main);
}

:root[data-theme="dark"] .app-sidebar {
    background-color: #0f172a;
    border-right-color: var(--border-color);
}

:root[data-theme="dark"] .app-header {
    background-color: #0f172a;
    border-bottom-color: var(--border-color);
}

:root[data-theme="dark"] .header-search input {
    background-color: #1e293b;
    color: var(--text-main);
}

:root[data-theme="dark"] .header-search input:focus {
    background-color: #334155;
}

:root[data-theme="dark"] .user-profile-btn {
    box-shadow: none;
}

:root[data-theme="dark"] .dropdown-menu {
    background-color: #1e293b;
    border-color: var(--border-color);
}

:root[data-theme="dark"] .dropdown-item {
    color: var(--text-main);
}

:root[data-theme="dark"] .dropdown-item:hover {
    background-color: #334155;
}

:root[data-theme="dark"] .events-table-card {
    background-color: #1e293b;
    border-color: var(--border-color);
}

:root[data-theme="dark"] .table-header-row {
    background-color: #1e293b;
    border-bottom-color: var(--border-color);
}

:root[data-theme="dark"] .event-item-card {
    background-color: #1e293b;
    border-color: var(--border-color);
}

:root[data-theme="dark"] .event-item-card:hover {
    background-color: #283548;
}

:root[data-theme="dark"] .stat-card {
    background-color: #1e293b;
    border-color: var(--border-color);
    color: var(--text-main);
}

:root[data-theme="dark"] .stat-icon.bg-light {
    background-color: #334155 !important;
    color: #f8fafc !important;
}

:root[data-theme="dark"] .sidebar-brand {
    color: var(--text-main);
}

:root[data-theme="dark"] .menu-item:hover {
    background-color: #334155;
    color: var(--text-main);
}

:root[data-theme="dark"] .form-control {
    background-color: #0f172a;
    color: var(--text-main);
    border-color: var(--border-color);
}

:root[data-theme="dark"] .form-control:focus {
    background-color: #0f172a;
    color: var(--text-main);
    border-color: var(--primary-color);
}

:root[data-theme="dark"] .input-group-text {
    background-color: #0f172a;
    color: var(--text-muted);
    border-color: var(--border-color);
}

:root[data-theme="dark"] .modal-content {
    background-color: #1e293b;
    color: var(--text-main);
}

:root[data-theme="dark"] .table {
    color: var(--text-main);
}

:root[data-theme="dark"] .table-light {
    --bs-table-bg: #334155;
    --bs-table-color: #f8fafc;
}

:root[data-theme="dark"] .modal-header .btn-close {
    filter: invert(1);
}

:root[data-theme="dark"] .menu-item.border-success {
    background-color: #065f46 !important;
    color: #a7f3d0 !important;
    border-color: #059669 !important;
}

:root[data-theme="dark"] .custom-card {
    background-color: #1e293b;
    border-color: var(--border-color);
}

:root[data-theme="dark"] .custom-card p {
    color: var(--text-muted) !important;
}

:root[data-theme="dark"] .custom-card h3, 
:root[data-theme="dark"] .custom-card h4, 
:root[data-theme="dark"] .custom-card h5 {
    color: #ffffff !important;
}

:root[data-theme="dark"] .bg-light,
:root[data-theme="dark"] .bg-white {
    background-color: #0f172a !important;
}

:root[data-theme="dark"] .border {
    border-color: var(--border-color) !important;
}

/* Global high contrast dark mode text overrides */
:root[data-theme="dark"] .text-dark,
:root[data-theme="dark"] .text-black,
:root[data-theme="dark"] .navbar-light .navbar-nav .nav-link,
:root[data-theme="dark"] h1,
:root[data-theme="dark"] h2,
:root[data-theme="dark"] h3,
:root[data-theme="dark"] h4,
:root[data-theme="dark"] h5,
:root[data-theme="dark"] h6 {
    color: #ffffff !important;
}

:root[data-theme="dark"] .text-muted,
:root[data-theme="dark"] .text-secondary,
:root[data-theme="dark"] .text-muted-custom,
:root[data-theme="dark"] p,
:root[data-theme="dark"] span:not(.badge):not(.badge-pill):not([class*="badge-"]),
:root[data-theme="dark"] small,
:root[data-theme="dark"] .form-text {
    color: #cbd5e1 !important; /* Slate 300 for balanced readable contrast */
}

:root[data-theme="dark"] label,
:root[data-theme="dark"] .form-label {
    color: #f1f5f9 !important; /* Slate 100 */
}

:root[data-theme="dark"] .table td,
:root[data-theme="dark"] .table th {
    color: #f8fafc !important;
}

:root[data-theme="dark"] .card-body,
:root[data-theme="dark"] .modal-body {
    color: #f8fafc !important;
}

:root[data-theme="dark"] a:not(.btn):not(.user-toggle-link):not(.sidebar-brand):not(.nav-link):not(.dropdown-item) {
    color: #34d399 !important; /* Emerald green link for better contrast */
}

:root[data-theme="dark"] .list-group-item {
    background-color: transparent !important;
    border-color: var(--border-color) !important;
    color: #cbd5e1 !important;
}

:root[data-theme="dark"] .list-group-item *:not(.text-success):not(.text-danger):not([class*="bg-"]):not([class*="badge-"]):not(.badge) {
    color: #cbd5e1 !important;
}

:root[data-theme="dark"] .list-group-item h1,
:root[data-theme="dark"] .list-group-item h2,
:root[data-theme="dark"] .list-group-item h3,
:root[data-theme="dark"] .list-group-item h4,
:root[data-theme="dark"] .list-group-item h5,
:root[data-theme="dark"] .list-group-item h6,
:root[data-theme="dark"] .list-group-item strong,
:root[data-theme="dark"] .list-group-item .fw-bold {
    color: #ffffff !important;
}

:root[data-theme="dark"] .badge-confirmed,
:root[data-theme="dark"] .badge-pill.badge-confirmed {
    background-color: #065f46 !important;
    color: #34d399 !important;
}

:root[data-theme="dark"] .badge-upcoming,
:root[data-theme="dark"] .badge-pill.badge-upcoming {
    background-color: #78350f !important;
    color: #fbbf24 !important;
}

:root[data-theme="dark"] .badge-sent,
:root[data-theme="dark"] .badge-pill.badge-sent {
    background-color: #1e3a8a !important;
    color: #60a5fa !important;
}

:root[data-theme="dark"] .badge-failed,
:root[data-theme="dark"] .badge-pill.badge-failed {
    background-color: #7f1d1d !important;
    color: #f87171 !important;
}

:root[data-theme="dark"] .bg-warning,
:root[data-theme="dark"] button.bg-warning,
:root[data-theme="dark"] .modal-header.bg-warning {
    background-color: #f59e0b !important; /* amber 500 */
    color: #0f172a !important; /* dark text */
}

:root[data-theme="dark"] .bg-warning *,
:root[data-theme="dark"] button.bg-warning *,
:root[data-theme="dark"] .modal-header.bg-warning * {
    color: #0f172a !important;
}

:root[data-theme="dark"] .bg-success-subtle,
:root[data-theme="dark"] .badge.bg-success-subtle {
    background-color: #065f46 !important;
    color: #34d399 !important;
}

:root[data-theme="dark"] .bg-danger-subtle,
:root[data-theme="dark"] .badge.bg-danger-subtle {
    background-color: #7f1d1d !important;
    color: #f87171 !important;
}

:root[data-theme="dark"] .text-success {
    color: #34d399 !important;
}

:root[data-theme="dark"] .text-danger {
    color: #f87171 !important;
}

:root[data-theme="dark"] .bg-light,
:root[data-theme="dark"] .bg-light * {
    background-color: #0f172a !important;
    color: #cbd5e1 !important;
}

/* Card overrides for dark mode */
:root[data-theme="dark"] .card {
    background-color: #1e293b !important;
    border-color: #334155 !important;
    color: #f8fafc !important;
}

/* Auth wrapper dark mode background override */
:root[data-theme="dark"] .auth-wrapper {
    background: radial-gradient(circle at top left, #0f172a, #020617) !important;
}

/* Table hover override */
:root[data-theme="dark"] .table-hover tbody tr:hover {
    background-color: #334155 !important;
    color: #ffffff !important;
}

:root[data-theme="dark"] .dark-mode-text-white {
    color: #ffffff !important;
}