/*
 * AGENDO by Bedigi — Design System
 * Modern, clean CSS with CSS custom properties
 */

/* =============================================
   RESET & BASE
   ============================================= */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Brand colors */
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --primary-50: #eef2ff;
    --primary-100: #e0e7ff;
    --primary-200: #c7d2fe;

    /* Neutral */
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;

    /* Semantic */
    --success: #10b981;
    --success-bg: #ecfdf5;
    --warning: #f59e0b;
    --warning-bg: #fffbeb;
    --danger: #ef4444;
    --danger-bg: #fef2f2;
    --info: #3b82f6;
    --info-bg: #eff6ff;

    /* Layout */
    --sidebar-width: 260px;
    --header-height: 64px;
    --radius: 12px;
    --radius-sm: 8px;
    --radius-xs: 6px;
    --shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.07), 0 2px 4px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 15px rgba(0,0,0,0.1), 0 4px 6px rgba(0,0,0,0.05);

    /* Typography */
    --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font);
    color: var(--gray-800);
    background: var(--gray-50);
    line-height: 1.6;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: color 0.2s;
}

a:hover {
    color: var(--primary-dark);
}

img {
    max-width: 100%;
    height: auto;
}

/* =============================================
   UTILITIES
   ============================================= */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--gray-500); }
.text-small { font-size: 0.875rem; }
.text-xs { font-size: 0.75rem; }

.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 1rem; }
.mt-4 { margin-top: 1.5rem; }
.mt-5 { margin-top: 2rem; }
.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 1.5rem; }
.mb-5 { margin-bottom: 2rem; }

.flex { display: flex; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.flex-center { display: flex; justify-content: center; align-items: center; }
.flex-wrap { flex-wrap: wrap; }
.gap-1 { gap: 0.25rem; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 1rem; }
.gap-4 { gap: 1.5rem; }

.grid { display: grid; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 768px) {
    .grid-2, .grid-3, .grid-4 {
        grid-template-columns: 1fr;
    }
}

/* =============================================
   BUTTONS
   ============================================= */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
    font-weight: 500;
    font-family: var(--font);
    line-height: 1.5;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
    white-space: nowrap;
}

.btn:hover { transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn:active { transform: translateY(0); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }

.btn-primary {
    background: var(--primary);
    color: #fff;
}
.btn-primary:hover { background: var(--primary-dark); color: #fff; }

.btn-secondary {
    background: var(--gray-100);
    color: var(--gray-700);
    border-color: var(--gray-200);
}
.btn-secondary:hover { background: var(--gray-200); color: var(--gray-800); }

.btn-danger {
    background: var(--danger);
    color: #fff;
}
.btn-danger:hover { background: #dc2626; }

.btn-success {
    background: var(--success);
    color: #fff;
}
.btn-success:hover { background: #059669; }

.btn-outline {
    background: transparent;
    color: var(--primary);
    border-color: var(--primary);
}
.btn-outline:hover { background: var(--primary-50); }

.btn-ghost {
    background: transparent;
    color: var(--gray-600);
}
.btn-ghost:hover { background: var(--gray-100); color: var(--gray-800); }

.btn-sm { padding: 0.375rem 0.75rem; font-size: 0.8125rem; }
.btn-lg { padding: 0.875rem 1.75rem; font-size: 1rem; }
.btn-block { width: 100%; }
.btn-icon { padding: 0.5rem; min-width: 2.25rem; }

/* =============================================
   FORMS
   ============================================= */
.form-group {
    margin-bottom: 1.25rem;
}

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: 0.375rem;
}

.form-control {
    width: 100%;
    padding: 0.625rem 0.875rem;
    font-size: 0.9375rem;
    font-family: var(--font);
    color: var(--gray-800);
    background: #fff;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-sm);
    transition: border-color 0.2s, box-shadow 0.2s;
    appearance: none;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-200);
}

.form-control::placeholder {
    color: var(--gray-400);
}

textarea.form-control {
    resize: vertical;
    min-height: 100px;
}

select.form-control {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236b7280' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    padding-right: 2.5rem;
}

.form-check {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.form-check input[type="checkbox"],
.form-check input[type="radio"] {
    width: 1.125rem;
    height: 1.125rem;
    accent-color: var(--primary);
}

.form-hint {
    font-size: 0.8125rem;
    color: var(--gray-500);
    margin-top: 0.25rem;
}

.form-error {
    font-size: 0.8125rem;
    color: var(--danger);
    margin-top: 0.25rem;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

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

/* =============================================
   CARDS
   ============================================= */
.card {
    background: #fff;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    overflow: hidden;
}

.card-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--gray-100);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-header h2, .card-header h3 {
    font-size: 1rem;
    font-weight: 600;
}

.card-body {
    padding: 1.5rem;
}

.card-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--gray-100);
    background: var(--gray-50);
}

/* =============================================
   TABLES
   ============================================= */
.table-wrapper {
    overflow-x: auto;
}

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

.table th {
    padding: 0.75rem 1rem;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--gray-500);
    background: var(--gray-50);
    border-bottom: 1px solid var(--gray-200);
    text-align: left;
}

.table td {
    padding: 0.875rem 1rem;
    font-size: 0.875rem;
    border-bottom: 1px solid var(--gray-100);
    vertical-align: middle;
}

.table tr:hover td {
    background: var(--gray-50);
}

.table-empty {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--gray-400);
}

/* =============================================
   BADGES
   ============================================= */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.625rem;
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: 9999px;
    line-height: 1.4;
}

.badge-primary { background: var(--primary-50); color: var(--primary); }
.badge-success { background: var(--success-bg); color: var(--success); }
.badge-warning { background: var(--warning-bg); color: var(--warning); }
.badge-danger { background: var(--danger-bg); color: var(--danger); }
.badge-dark { background: var(--gray-200); color: var(--gray-700); }
.badge-secondary { background: var(--gray-100); color: var(--gray-600); }

/* =============================================
   ALERTS
   ============================================= */
.alert {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.875rem 1.25rem;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    margin-bottom: 1rem;
    border: 1px solid transparent;
}

.alert-success { background: var(--success-bg); color: #065f46; border-color: #a7f3d0; }
.alert-error { background: var(--danger-bg); color: #991b1b; border-color: #fecaca; }
.alert-warning { background: var(--warning-bg); color: #92400e; border-color: #fde68a; }
.alert-info { background: var(--info-bg); color: #1e40af; border-color: #bfdbfe; }

.alert-close {
    background: none;
    border: none;
    font-size: 1.25rem;
    cursor: pointer;
    color: inherit;
    opacity: 0.6;
    padding: 0 0.25rem;
}
.alert-close:hover { opacity: 1; }

/* =============================================
   STAT CARDS
   ============================================= */
.stat-card {
    background: #fff;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    padding: 1.5rem;
}

.stat-card .stat-label {
    font-size: 0.8125rem;
    color: var(--gray-500);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.stat-card .stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-top: 0.25rem;
    line-height: 1.2;
}

.stat-card .stat-change {
    font-size: 0.8125rem;
    margin-top: 0.5rem;
}

.stat-card .stat-icon {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

/* =============================================
   AVATAR
   ============================================= */
.avatar {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 50%;
    background: var(--primary-100);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.875rem;
    flex-shrink: 0;
}

.avatar-sm { width: 2rem; height: 2rem; font-size: 0.75rem; }
.avatar-lg { width: 3.5rem; height: 3.5rem; font-size: 1.25rem; }

.avatar img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
}

/* =============================================
   MODAL
   ============================================= */
.modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s;
}

.modal-backdrop.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: #fff;
    border-radius: var(--radius);
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.95);
    transition: transform 0.2s;
}

.modal-backdrop.active .modal {
    transform: scale(1);
}

.modal-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--gray-100);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    font-size: 1.125rem;
    font-weight: 600;
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--gray-100);
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
}

/* =============================================
   EMPTY STATE
   ============================================= */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--gray-400);
}

.empty-state-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.empty-state h3 {
    font-size: 1.125rem;
    color: var(--gray-600);
    margin-bottom: 0.5rem;
}

.empty-state p {
    font-size: 0.9375rem;
    margin-bottom: 1.5rem;
}

/* =============================================
   PAGINATION
   ============================================= */
.pagination {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    list-style: none;
}

.pagination a, .pagination span {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 2.25rem;
    height: 2.25rem;
    padding: 0 0.5rem;
    font-size: 0.875rem;
    border-radius: var(--radius-xs);
    color: var(--gray-600);
    transition: all 0.2s;
}

.pagination a:hover {
    background: var(--gray-100);
    color: var(--gray-800);
}

.pagination .active {
    background: var(--primary);
    color: #fff;
}

/* =============================================
   LOADING
   ============================================= */
.spinner {
    width: 1.5rem;
    height: 1.5rem;
    border: 2px solid var(--gray-200);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.loading-overlay {
    position: absolute;
    inset: 0;
    background: rgba(255, 255, 255, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
}