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

:root {
    --primary: #1e3a8a;
    --primary-hover: #172554;
    --primary-light: #eff6ff;
    --secondary: #0f766e;
    --secondary-hover: #115e59;
    --accent: #d97706;
    --bg-main: #f8fafc;
    --bg-card: #ffffff;
    --text-main: #0f172a;
    --text-muted: #64748b;
    --border-color: #e2e8f0;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --radius: 12px;
}

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

body {
    font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: radial-gradient(circle at top right, #e0f2fe 0%, #f8fafc 60%, #f1f5f9 100%);
    color: var(--text-main);
    min-height: 100vh;
    padding: 2.5rem 1rem;
    line-height: 1.5;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
}

/* Header */
.app-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.badge-instansi {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: #dbeafe;
    color: #1e40af;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding: 0.35rem 0.9rem;
    border-radius: 9999px;
    margin-bottom: 0.8rem;
    border: 1px solid #bfdbfe;
}

.app-title {
    font-size: 2rem;
    font-weight: 800;
    color: #0f172a;
    letter-spacing: -0.025em;
    margin-bottom: 0.5rem;
}

.app-subtitle {
    color: var(--text-muted);
    font-size: 1rem;
    max-width: 600px;
    margin: 0 auto;
}

/* Stats Row */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.25rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--bg-card);
    padding: 1.25rem 1.5rem;
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: center;
    gap: 1.25rem;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.icon-blue {
    background: #dbeafe;
    color: #1d4ed8;
}

.icon-emerald {
    background: #d1fae5;
    color: #047857;
}

.icon-amber {
    background: #fef3c7;
    color: #b45309;
}

.stat-val {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-main);
    line-height: 1.2;
}

.stat-label {
    font-size: 0.825rem;
    color: var(--text-muted);
    font-weight: 500;
}

/* Main Form Card */
.main-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-xl);
    padding: 2rem;
    margin-bottom: 2rem;
}

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

.card-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.filter-form {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 1.25rem;
    align-items: flex-end;
}

@media (max-width: 768px) {
    .filter-form {
        grid-template-columns: 1fr;
    }
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-label {
    font-size: 0.9rem;
    font-weight: 600;
    color: #334155;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.form-select {
    width: 100%;
    padding: 0.85rem 1.25rem;
    font-size: 1rem;
    font-family: inherit;
    color: var(--text-main);
    background-color: #ffffff;
    border: 2px solid #cbd5e1;
    border-radius: 10px;
    transition: all 0.2s ease;
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%2364748b' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
    background-position: right 1rem center;
    background-repeat: no-repeat;
    background-size: 1.5em 1.5em;
    padding-right: 2.75rem;
}

.form-select:hover {
    border-color: #94a3b8;
}

.form-select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(30, 58, 138, 0.15);
}

.btn-group {
    display: flex;
    gap: 0.75rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    padding: 0.85rem 1.6rem;
    font-size: 0.95rem;
    font-weight: 700;
    border-radius: 10px;
    border: none;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, #1e3a8a 0%, #1d4ed8 100%);
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(29, 78, 216, 0.3);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #172554 0%, #1e40af 100%);
    box-shadow: 0 6px 16px rgba(29, 78, 216, 0.4);
    transform: translateY(-1px);
}

.btn-secondary {
    background: #f1f5f9;
    color: #334155;
    border: 1px solid #cbd5e1;
}

.btn-secondary:hover {
    background: #e2e8f0;
    color: #0f172a;
}

/* Room Preview Table */
.preview-section {
    margin-top: 2rem;
    padding-top: 1.75rem;
    border-top: 1px dashed var(--border-color);
}

.preview-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.preview-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: #1e293b;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.table-responsive {
    overflow-x: auto;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
    background: #ffffff;
}

.data-table th {
    background: #f8fafc;
    color: #475569;
    font-weight: 700;
    text-align: left;
    padding: 0.85rem 1rem;
    border-bottom: 2px solid var(--border-color);
    white-space: nowrap;
}

.data-table td {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border-color);
    color: #334155;
}

.data-table tbody tr:hover {
    background-color: #f8fafc;
}

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

.text-center { text-align: center; }
.text-right { text-align: right; }
.font-semibold { font-weight: 600; }

.empty-state {
    text-align: center;
    padding: 3rem 1.5rem;
    color: var(--text-muted);
}

.empty-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.7;
}

/* Footer */
.app-footer {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-top: 2.5rem;
}