/**
 * Multi-Hospital Manager by Zestmove — Master Healthcare Theme
 * Clean Light Medical Blue Palette with Dark Mode Support
 * Developed by Zestmove Digital Solutions (https://zestmove.in/)
 * Helpline: +91 9532185985 | Email: Info@zestmove.in
 */

:root {
    --primary: #0284c7;
    --primary-hover: #0369a1;
    --primary-light: #e0f2fe;
    --primary-subtle: #f0f9ff;
    --secondary: #64748b;
    --success: #10b981;
    --success-light: #d1fae5;
    --danger: #ef4444;
    --danger-light: #fee2e2;
    --warning: #f59e0b;
    --warning-light: #fef3c7;
    --info: #06b6d4;
    --info-light: #cffafe;
    
    --bg-page: #f8fafc;
    --bg-card: #ffffff;
    --bg-surface: #ffffff;
    --border-color: #e2e8f0;
    --border-focus: #38bdf8;
    
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    --text-inverse: #ffffff;
    
    --sidebar-bg: #0f172a;
    --sidebar-text: #94a3b8;
    --sidebar-hover: #1e293b;
    --sidebar-active: #0284c7;
    --sidebar-active-text: #ffffff;
    --sidebar-width: 260px;
    
    --header-height: 64px;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --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-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    
    --font-sans: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

[data-theme="dark"] {
    --bg-page: #0b0f19;
    --bg-card: #111827;
    --bg-surface: #1f2937;
    --border-color: #374151;
    --text-primary: #f9fafb;
    --text-secondary: #d1d5db;
    --text-muted: #9ca3af;
    --primary-light: rgba(2, 132, 199, 0.2);
    --success-light: rgba(16, 185, 129, 0.2);
    --danger-light: rgba(239, 68, 68, 0.2);
    --warning-light: rgba(245, 158, 11, 0.2);
}

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

body {
    font-family: var(--font-sans);
    font-size: 14px;
    line-height: 1.5;
    color: var(--text-primary);
    background-color: var(--bg-page);
    -webkit-font-smoothing: antialiased;
}

/* LAYOUT STRUCTURE */
.app-wrapper {
    display: flex;
    min-height: 100vh;
}

.app-sidebar {
    width: var(--sidebar-width);
    background-color: var(--sidebar-bg);
    color: var(--sidebar-text);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    z-index: 100;
    overflow-y: auto;
    transition: transform 0.2s ease;
}

.sidebar-brand {
    padding: 16px 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.sidebar-brand img {
    height: 42px;
    width: 42px;
    object-fit: contain;
    border-radius: 8px;
}

.sidebar-brand-text {
    font-size: 15px;
    font-weight: 700;
    color: #ffffff;
    line-height: 1.2;
}

.sidebar-brand-text span {
    display: block;
    font-size: 11px;
    font-weight: 400;
    color: #94a3b8;
}

.sidebar-menu {
    padding: 12px 10px;
    list-style: none;
    flex: 1;
}

.sidebar-heading {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: #64748b;
    padding: 14px 14px 6px;
}

.sidebar-item {
    margin-bottom: 2px;
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 14px;
    color: var(--sidebar-text);
    text-decoration: none;
    font-size: 13.5px;
    font-weight: 500;
    border-radius: var(--radius-sm);
    transition: all 0.15s ease;
}

.sidebar-link:hover {
    background-color: var(--sidebar-hover);
    color: #ffffff;
}

.sidebar-link.active {
    background-color: var(--sidebar-active);
    color: var(--sidebar-active-text);
    font-weight: 600;
}

.sidebar-icon {
    width: 18px;
    height: 18px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
}

.app-main {
    margin-left: var(--sidebar-width);
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.app-header {
    height: var(--header-height);
    background-color: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    position: sticky;
    top: 0;
    z-index: 90;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 16px;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.hospital-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background-color: var(--primary-light);
    color: var(--primary-hover);
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 12.5px;
    font-weight: 600;
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 10px;
}

.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: var(--primary);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 14px;
}

.user-details {
    line-height: 1.2;
}

.user-name {
    font-size: 13.5px;
    font-weight: 600;
    color: var(--text-primary);
}

.user-role {
    font-size: 11.5px;
    color: var(--text-muted);
}

.app-content {
    padding: 24px;
    flex: 1;
}

.app-footer {
    padding: 16px 24px;
    background-color: var(--bg-card);
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 12px;
    color: var(--text-muted);
}

/* CARDS & GRIDS */
.card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    margin-bottom: 20px;
}

.card-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
}

.card-body {
    padding: 20px;
}

.card-footer {
    padding: 12px 20px;
    border-top: 1px solid var(--border-color);
    background-color: var(--bg-page);
}

.grid-cols-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.grid-cols-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.grid-cols-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

@media (max-width: 1024px) {
    .grid-cols-4 { grid-template-columns: repeat(2, 1fr); }
    .grid-cols-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
    .grid-cols-4, .grid-cols-3, .grid-cols-2 { grid-template-columns: 1fr; }
}

/* STAT CARDS */
.stat-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 18px 20px;
    display: flex;
    align-items: center;
    gap: 16px;
    box-shadow: var(--shadow-sm);
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
}

.stat-icon.blue { background-color: var(--primary-light); color: var(--primary); }
.stat-icon.green { background-color: var(--success-light); color: var(--success); }
.stat-icon.red { background-color: var(--danger-light); color: var(--danger); }
.stat-icon.amber { background-color: var(--warning-light); color: var(--warning); }

.stat-content {
    flex: 1;
}

.stat-value {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.1;
}

.stat-label {
    font-size: 12.5px;
    font-weight: 500;
    color: var(--text-secondary);
    margin-top: 4px;
}

/* TABLES */
.table-responsive {
    width: 100%;
    overflow-x: auto;
}

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

.table th {
    padding: 12px 14px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: var(--text-secondary);
    border-bottom: 2px solid var(--border-color);
    background-color: var(--bg-page);
}

.table td {
    padding: 12px 14px;
    font-size: 13.5px;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-color);
    vertical-align: middle;
}

.table tr:hover td {
    background-color: var(--bg-surface);
}

/* STATUS BADGES */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 11.5px;
    font-weight: 600;
    text-transform: capitalize;
}

.badge-present, .badge-active, .badge-success, .badge-approved {
    background-color: var(--success-light);
    color: #065f46;
}

.badge-absent, .badge-danger, .badge-rejected {
    background-color: var(--danger-light);
    color: #991b1b;
}

.badge-late, .badge-warning, .badge-pending, .badge-half_day {
    background-color: var(--warning-light);
    color: #92400e;
}

.badge-info, .badge-regularized {
    background-color: var(--info-light);
    color: #155e75;
}

/* BUTTONS */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 8px 16px;
    font-size: 13.5px;
    font-weight: 600;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.15s ease;
}

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

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

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

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

.btn-success {
    background-color: var(--success);
    color: #ffffff;
}

.btn-danger {
    background-color: var(--danger);
    color: #ffffff;
}

.btn-sm {
    padding: 5px 10px;
    font-size: 12px;
}

/* FORMS */
.form-group {
    margin-bottom: 16px;
}

.form-label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.form-control, .form-select {
    width: 100%;
    padding: 9px 12px;
    font-size: 13.5px;
    color: var(--text-primary);
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    outline: none;
    transition: border-color 0.15s ease;
}

.form-control:focus, .form-select:focus {
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.2);
}

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

/* ALERTS */
.alert {
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    font-size: 13.5px;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.alert-success { background-color: var(--success-light); color: #065f46; border: 1px solid #a7f3d0; }
.alert-error, .alert-danger { background-color: var(--danger-light); color: #991b1b; border: 1px solid #fecaca; }
.alert-warning { background-color: var(--warning-light); color: #92400e; border: 1px solid #fde68a; }
.alert-info { background-color: var(--info-light); color: #155e75; border: 1px solid #a5f3fc; }

/* MODALS */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal-overlay.active {
    display: flex;
}

.modal-content {
    background-color: var(--bg-card);
    border-radius: var(--radius-md);
    width: 100%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
}

/* PRINT STYLES FOR A4 */
@media print {
    .app-sidebar, .app-header, .app-footer, .no-print, .btn {
        display: none !important;
    }
    .app-main {
        margin-left: 0 !important;
    }
    body {
        background-color: #ffffff !important;
        font-size: 12pt;
    }
    .card {
        border: none !important;
        box-shadow: none !important;
    }
}