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

:root {
    --bg-color: #F9FAFB;
    --card-bg: #FFFFFF;
    --text-main: #111827;
    --text-muted: #6B7280;
    --primary: #4F46E5;
    --primary-hover: #4338CA;
    --primary-light: #EEF2FF;
    --border-color: #E5E7EB;
    --danger: #EF4444;
    --danger-light: #FEE2E2;
    --success: #10B981;
    --success-light: #D1FAE5;

    --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);

    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-full: 9999px;

    --font-family: 'Inter', sans-serif;
    --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-color);
    color: var(--text-main);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

a {
    color: inherit;
    text-decoration: none;
}

/* Typography */
h1,
h2,
h3,
h4 {
    font-weight: 600;
    color: var(--text-main);
}

/* Toast Notifications */
#toast-container {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.toast {
    background: var(--card-bg);
    color: var(--text-main);
    padding: 1rem 1.5rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    border-left: 4px solid var(--primary);
    animation: slideIn 0.3s ease-out forwards;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 500;
}

.toast-success {
    border-color: var(--success);
}

.toast-error {
    border-color: var(--danger);
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }

    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes fadeOut {
    to {
        opacity: 0;
        transform: translateY(10px);
    }
}

/* Layout */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Header Navbar */
.main-header {
    background-color: var(--card-bg);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
}

.logo {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

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

.nav-links {
    display: flex;
    gap: 1.25rem;
    align-items: center;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 1.25rem;
    border-radius: var(--radius-md);
    font-weight: 500;
    font-size: 0.875rem;
    cursor: pointer;
    transition: var(--transition);
    border: 1px solid transparent;
    gap: 0.375rem;
}

.btn-primary {
    background-color: var(--primary);
    color: white;
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    box-shadow: var(--shadow-md);
}

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

.btn-secondary:hover {
    background-color: #F3F4F6;
}

.btn-danger-outline {
    background-color: transparent;
    color: var(--danger);
    border-color: var(--danger);
}

.btn-danger-outline:hover {
    background-color: var(--danger-light);
}

.btn-icon {
    padding: 0.4rem;
    border-radius: var(--radius-md);
    background: transparent;
    border: 1px solid transparent;
    color: var(--text-muted);
    cursor: pointer;
    transition: var(--transition);
}

.btn-icon:hover {
    background: #F3F4F6;
    color: var(--text-main);
}

.btn-icon.delete:hover {
    background: var(--danger-light);
    color: var(--danger);
}

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.625rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.badge-admin {
    background-color: var(--primary-light);
    color: var(--primary);
}

.badge-user {
    background-color: var(--success-light);
    color: var(--success);
}

/* Forms */
.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
    margin-bottom: 1.25rem;
}

.form-group label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-main);
}

.form-control {
    width: 100%;
    padding: 0.625rem 0.875rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background-color: var(--card-bg);
    color: var(--text-main);
    font-family: var(--font-family);
    font-size: 0.875rem;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.form-control::placeholder {
    color: #9CA3AF;
}

/* Login Page - Clean Institutional Redesign */
.login-wrapper {
    display: flex;
    min-height: 100vh;
}

.login-side {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background: var(--primary);
    color: white;
    padding: 3rem;
    text-align: center;
}

.login-side h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.1;
    letter-spacing: -0.02em;
}

.login-side p {
    font-size: 1.125rem;
    color: #EEF2FF;
    max-width: 450px;
    font-weight: 400;
    line-height: 1.6;
}

.login-form-container {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    background-color: var(--bg-color);
}

.login-card {
    width: 100%;
    max-width: 400px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
    border-radius: var(--radius-lg);
    padding: 3rem 2.5rem;
}

.login-header {
    margin-bottom: 2rem;
}

.login-header h2 {
    font-size: 1.875rem;
    margin-bottom: 0.5rem;
    color: var(--text-main);
}

.login-header p {
    color: var(--text-muted);
}

/* Hero Section */
.hero {
    padding: 4rem 0 3rem;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 3rem;
    font-weight: 700;
    letter-spacing: -0.025em;
    margin-bottom: 1rem;
    color: var(--text-main);
}

.hero p {
    font-size: 1.125rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
}

.search-wrapper {
    position: relative;
    max-width: 600px;
    margin: 0 auto;
}

.search-wrapper svg {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: #9CA3AF;
}

.search-input {
    width: 100%;
    padding: 1rem 1rem 1rem 3rem;
    font-size: 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    background-color: var(--card-bg);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.search-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px var(--primary-light), var(--shadow-sm);
}

.advanced-filters {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin: 1.5rem auto 0;
    max-width: 800px;
    flex-wrap: wrap;
}

.dropdown-filter {
    width: auto;
    min-width: 160px;
    padding: 0.75rem 2.5rem 0.75rem 1rem;
    border-radius: var(--radius-full);
    background-color: var(--card-bg);
    box-shadow: var(--shadow-sm);
    cursor: pointer;
    font-weight: 500;
    color: var(--text-main);
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='none' stroke='%236B7280' viewBox='0 0 24 24'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
}

/* Event Filters */
.filters {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 2rem;
}

.filter-btn {
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    border: 1px solid var(--border-color);
    background: var(--card-bg);
    color: var(--text-muted);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.filter-btn:hover {
    background: #F3F4F6;
}

.filter-btn.active {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

/* Grid */
.events-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 2rem;
    padding-bottom: 4rem;
}

/* Vertical Event Card */
.event-card {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    overflow: hidden;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.event-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: #D1D5DB;
}

.card-img-wrapper {
    position: relative;
    height: 200px;
    width: 100%;
    background-color: #E5E7EB;
}

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

.card-date-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(4px);
    color: var(--primary);
    padding: 0.5rem;
    border-radius: var(--radius-md);
    text-align: center;
    min-width: 50px;
    box-shadow: var(--shadow-sm);
    font-weight: 700;
    line-height: 1.1;
}

.card-date-badge .month {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    display: block;
}

.card-date-badge .day {
    font-size: 1.25rem;
    display: block;
}

.card-body {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.card-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 0.75rem;
    color: var(--text-muted);
    font-size: 0.8125rem;
    font-weight: 500;
}

.card-meta span {
    display: flex;
    align-items: center;
    gap: 0.375rem;
}

.card-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text-main);
    line-height: 1.4;
}

.card-desc {
    color: var(--text-muted);
    font-size: 0.875rem;
    margin-bottom: 1.5rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-footer {
    margin-top: auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid var(--border-color);
    padding-top: 1rem;
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 4rem;
}

.page-btn {
    width: 2.5rem;
    height: 2.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    background: var(--card-bg);
    color: var(--text-main);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.page-btn:hover {
    background: #F3F4F6;
}

.page-btn.active {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

/* Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(17, 24, 39, 0.4);
    backdrop-filter: blur(4px);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    padding: 1rem;
}

.modal-overlay.open {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: var(--card-bg);
    width: 100%;
    max-width: 650px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    transform: translateY(20px) scale(0.95);
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    max-height: 90vh;
    display: flex;
    flex-direction: column;
}

.modal-overlay.open .modal-content {
    transform: translateY(0) scale(1);
}

.modal-content form {
    display: flex;
    flex-direction: column;
    overflow: hidden;
    flex-grow: 1;
}

.modal-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    font-size: 1.25rem;
}

.modal-close {
    background: transparent;
    border: none;
    font-size: 1.5rem;
    line-height: 1;
    cursor: pointer;
    color: var(--text-muted);
    transition: var(--transition);
    padding: 0.5rem;
    border-radius: var(--radius-md);
}

.modal-close:hover {
    color: var(--text-main);
    background: #F3F4F6;
}

.modal-body {
    padding: 1.5rem;
    overflow-y: auto;
}

.modal-footer {
    padding: 1.5rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
}

/* Event Detail Specifics */
.detail-hero-img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    border-radius: var(--radius-md);
    margin-bottom: 1.5rem;
    background: #E5E7EB;
}

.detail-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.detail-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.detail-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    font-weight: 600;
}

.detail-value {
    font-size: 1rem;
    color: var(--text-main);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.detail-full {
    grid-column: 1 / -1;
}

.resource-links {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
    flex-wrap: wrap;
}

/* Admin Dashboard */
.admin-header-flex {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 3rem 0 2rem;
}

.admin-header-flex h1 {
    font-size: 2rem;
}

.table-card {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
}

.admin-table th {
    background: #F9FAFB;
    padding: 1rem 1.5rem;
    text-align: left;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 1px solid var(--border-color);
}

.admin-table td {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.875rem;
    vertical-align: middle;
}

.admin-table tr:hover {
    background: #F9FAFB;
}

.admin-table tr:last-child td {
    border-bottom: none;
}

.flex-col {
    display: flex;
    flex-direction: column;
}

.text-sm {
    font-size: 0.875rem;
}

.text-xs {
    font-size: 0.75rem;
}

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

.font-medium {
    font-weight: 500;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

/* Responsive */
@media (max-width: 768px) {
    .login-wrapper {
        flex-direction: column;
    }

    .login-side {
        padding: 2rem;
        min-height: 300px;
    }

    .detail-grid,
    .form-row {
        grid-template-columns: 1fr;
    }

    .admin-table {
        display: block;
        overflow-x: auto;
    }
}

.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--text-muted);
}

.empty-state svg {
    width: 64px;
    height: 64px;
    color: #D1D5DB;
    margin-bottom: 1rem;
}

/* Analytics Dashboard Elements */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin-bottom: 2rem;
}

@media (max-width: 1024px) {
    .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .metrics-grid {
        grid-template-columns: 1fr;
    }
}

.metric-card {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    padding: 1.5rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.03);
    display: flex;
    flex-direction: column;
    transition: var(--transition);
}

.metric-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: #D1D5DB;
}

.metric-title-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-muted);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1rem;
}

.metric-icon {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.metric-card:hover .metric-icon {
    transform: scale(1.1);
}

.metric-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-main);
}

.chart-card {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    padding: 1.5rem;
    margin-bottom: 2rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.03);
    transition: var(--transition);
}

.chart-card:hover {
    box-shadow: var(--shadow-lg);
    border-color: #D1D5DB;
}

.chart-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1.5rem;
}

.chart-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 0.25rem;
}

.chart-subtitle {
    font-size: 0.875rem;
    color: var(--text-muted);
}