/* ==========================================================================
   Medical Equipment Inter-Hospital Loan System CSS
   Clean, Modern, Responsive & High-Aesthetic UI Design
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Prompt:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400&display=swap');

:root {
    /* Color Palette */
    --primary: #0284c7;
    --primary-hover: #0369a1;
    --primary-light: #e0f2fe;
    --primary-dark: #0f172a;
    
    --secondary: #0d9488;
    --secondary-light: #ccfbf1;
    
    --accent: #6366f1;
    --accent-light: #e0e7ff;
    
    --bg-main: #f8fafc;
    --bg-card: #ffffff;
    --bg-sidebar: #0f172a;
    
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    --text-on-dark: #f8fafc;
    
    --border-color: #e2e8f0;
    --border-hover: #cbd5e1;
    
    /* Status Colors */
    --status-available-bg: #dcfce7;
    --status-available-text: #166534;
    --status-available-border: #bbf7d0;
    
    --status-borrowed-bg: #e0f2fe;
    --status-borrowed-text: #075985;
    --status-borrowed-border: #bae6fd;
    
    --status-pending-bg: #fef3c7;
    --status-pending-text: #92400e;
    --status-pending-border: #fde68a;
    
    --status-urgent-bg: #ffe4e6;
    --status-urgent-text: #9f1239;
    --status-urgent-border: #fecdd3;
    
    --status-maintenance-bg: #f3e8ff;
    --status-maintenance-text: #6b21a8;
    --status-maintenance-border: #e9d5ff;

    /* Elevation Shadows */
    --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);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.25s ease;
    
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-full: 9999px;
}

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

body {
    font-family: 'Prompt', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--bg-main);
    color: var(--text-primary);
    line-height: 1.5;
    display: flex;
    min-height: 100vh;
    overflow-x: hidden;
}

/* App Container Layout */
.app-layout {
    display: flex;
    width: 100%;
    min-height: 100vh;
}

/* Sidebar Styling */
.sidebar {
    width: 280px;
    background-color: var(--bg-sidebar);
    color: var(--text-on-dark);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    z-index: 100;
    transition: transform var(--transition-normal);
}

.sidebar-header {
    padding: 1.5rem 1.25rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.brand-icon {
    width: 42px;
    height: 42px;
    background: linear-gradient(135deg, #38bdf8, #0284c7);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: #fff;
    box-shadow: 0 4px 12px rgba(2, 132, 199, 0.4);
}

.brand-info h1 {
    font-size: 1.05rem;
    font-weight: 600;
    line-height: 1.2;
    color: #ffffff;
}

.brand-info span {
    font-size: 0.75rem;
    color: #94a3b8;
    display: block;
    margin-top: 2px;
}

.sidebar-nav {
    padding: 1.25rem 0.75rem;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    overflow-y: auto;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    padding: 0.85rem 1rem;
    color: #cbd5e1;
    text-decoration: none;
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    font-weight: 400;
    transition: all var(--transition-fast);
    cursor: pointer;
    border: none;
    background: transparent;
    width: 100%;
    text-align: left;
}

.nav-item i {
    font-size: 1.2rem;
    width: 24px;
    text-align: center;
    color: #94a3b8;
    transition: color var(--transition-fast);
}

.nav-item:hover {
    background-color: rgba(255, 255, 255, 0.08);
    color: #ffffff;
}

.nav-item:hover i {
    color: #38bdf8;
}

.nav-item.active {
    background: linear-gradient(135deg, rgba(2, 132, 199, 0.25), rgba(13, 148, 136, 0.25));
    color: #ffffff;
    font-weight: 500;
    border-left: 4px solid #38bdf8;
}

.nav-item.active i {
    color: #38bdf8;
}

.badge-count {
    margin-left: auto;
    background-color: #ef4444;
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: var(--radius-full);
}

.sidebar-footer {
    padding: 1rem 1.25rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.8rem;
    color: #64748b;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.btn-sidebar-action {
    background-color: rgba(255, 255, 255, 0.08);
    color: #e2e8f0;
    border: 1px solid rgba(255, 255, 255, 0.12);
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    justify-content: center;
    transition: all var(--transition-fast);
}

.btn-sidebar-action:hover {
    background-color: rgba(255, 255, 255, 0.15);
    color: #fff;
}

/* Main Content Area */
.main-content {
    margin-left: 280px;
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
}

/* Top Navbar */
.top-header {
    background-color: var(--bg-card);
    height: 70px;
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 90;
    box-shadow: var(--shadow-sm);
}

.header-title-area {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-primary);
    cursor: pointer;
}

.header-title h2 {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-primary);
}

.header-title p {
    font-size: 0.825rem;
    color: var(--text-secondary);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

/* Primary Action Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.6rem 1.2rem;
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 500;
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-hover));
    color: #ffffff;
    box-shadow: 0 2px 6px rgba(2, 132, 199, 0.3);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-hover), #0284c7);
    box-shadow: 0 4px 12px rgba(2, 132, 199, 0.4);
    transform: translateY(-1px);
}

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

.btn-secondary:hover {
    background-color: #e2e8f0;
    border-color: var(--border-hover);
}

.btn-success {
    background: linear-gradient(135deg, #10b981, #059669);
    color: #ffffff;
    box-shadow: 0 2px 6px rgba(16, 185, 129, 0.3);
}

.btn-success:hover {
    background: linear-gradient(135deg, #059669, #047857);
}

.btn-danger {
    background-color: #ef4444;
    color: #ffffff;
}

.btn-danger:hover {
    background-color: #dc2626;
}

.btn-sm {
    padding: 0.35rem 0.75rem;
    font-size: 0.825rem;
    border-radius: var(--radius-sm);
}

/* Content Views Section */
.content-body {
    padding: 2rem;
    flex: 1;
}

.view-section {
    display: none;
    animation: fadeIn 0.3s ease-in-out;
}

.view-section.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Dashboard Summary Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.25rem;
    margin-bottom: 2rem;
}

.stat-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    display: flex;
    align-items: center;
    gap: 1.25rem;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-fast);
}

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

.stat-icon {
    width: 54px;
    height: 54px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    flex-shrink: 0;
}

.stat-icon.blue { background-color: #e0f2fe; color: #0284c7; }
.stat-icon.teal { background-color: #ccfbf1; color: #0d9488; }
.stat-icon.amber { background-color: #fef3c7; color: #d97706; }
.stat-icon.rose { background-color: #ffe4e6; color: #e11d48; }

.stat-info h3 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.1;
}

.stat-info p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 4px;
}

/* Dashboard Content Grid */
.dashboard-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 1.5rem;
}

@media (max-width: 1024px) {
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
}

.card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    margin-bottom: 1.5rem;
}

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

.card-header h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.card-header h3 i {
    color: var(--primary);
}

.card-body {
    padding: 1.5rem;
}

/* Filter & Search Bar */
.filter-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1.5rem;
    background-color: var(--bg-card);
    padding: 1.25rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    align-items: center;
}

.search-box {
    position: relative;
    flex: 1;
    min-width: 240px;
}

.search-box i {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

.search-box input {
    width: 100%;
    padding: 0.65rem 1rem 0.65rem 2.6rem;
    font-family: inherit;
    font-size: 0.9rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    outline: none;
    transition: border-color var(--transition-fast);
}

.search-box input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.15);
}

.filter-select {
    padding: 0.65rem 1rem;
    font-family: inherit;
    font-size: 0.9rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    outline: none;
    background-color: #fff;
    cursor: pointer;
    min-width: 160px;
}

.filter-select:focus {
    border-color: var(--primary);
}

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

.custom-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 0.825rem;
}

.custom-table th {
    background-color: #f1f5f9;
    color: var(--text-secondary);
    font-weight: 600;
    padding: 0.75rem 0.85rem;
    border-bottom: 2px solid var(--border-color);
    white-space: nowrap;
}

.custom-table td {
    padding: 0.75rem 0.85rem;
    border-bottom: 1px solid var(--border-color);
    vertical-align: middle;
}

.custom-table tbody tr {
    transition: background-color var(--transition-fast);
}

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

/* Status Badges */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.3rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: 0.785rem;
    font-weight: 500;
    line-height: 1.2;
    border: 1px solid transparent;
}

.badge-available {
    background-color: var(--status-available-bg);
    color: var(--status-available-text);
    border-color: var(--status-available-border);
}

.badge-borrowed, .badge-in_use {
    background-color: var(--status-borrowed-bg);
    color: var(--status-borrowed-text);
    border-color: var(--status-borrowed-border);
}

.badge-pending {
    background-color: var(--status-pending-bg);
    color: var(--status-pending-text);
    border-color: var(--status-pending-border);
}

.badge-returned {
    background-color: #f1f5f9;
    color: #475569;
    border-color: #cbd5e1;
}

.badge-urgent {
    background-color: var(--status-urgent-bg);
    color: var(--status-urgent-text);
    border-color: var(--status-urgent-border);
}

.badge-maintenance {
    background-color: var(--status-maintenance-bg);
    color: var(--status-maintenance-text);
    border-color: var(--status-maintenance-border);
}

/* Equipment Card Grid View */
.equipment-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.25rem;
}

.eq-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: all var(--transition-fast);
    overflow: hidden;
}

.eq-card-img-container {
    width: calc(100% + 2.5rem);
    margin: -1.25rem -1.25rem 1rem -1.25rem;
    height: 200px;
    overflow: hidden;
    position: relative;
    background: #f8fafc;
    display: flex;
    align-items: center;
    justify-content: center;
    border-bottom: 1px solid var(--border-color);
    padding: 10px;
    cursor: pointer;
}

.eq-card-img-container img {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    object-fit: contain;
    border-radius: var(--radius-sm);
    transition: transform var(--transition-fast);
}

.eq-card-img-container:hover img {
    transform: scale(1.04);
}

.eq-card-img-container.default-banner {
    background: linear-gradient(135deg, #e0f2fe, #f0f9ff);
    cursor: default;
}

.eq-card-img-container.default-banner i {
    font-size: 3.8rem;
    color: var(--primary);
    opacity: 0.35;
}

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

.eq-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
}

.eq-category-tag {
    font-size: 0.75rem;
    color: var(--primary);
    background-color: var(--primary-light);
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    font-weight: 500;
}

.eq-title {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.3;
    margin-bottom: 0.35rem;
}

.eq-meta {
    font-size: 0.825rem;
    color: var(--text-secondary);
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    margin: 0.75rem 0;
    padding: 0.75rem 0;
    border-top: 1px stroke var(--border-color);
    border-bottom: 1px stroke var(--border-color);
}

.eq-meta-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.eq-meta-item i {
    width: 18px;
    color: var(--text-muted);
}

.eq-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 1rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--border-color);
}

/* Modal Popup */
.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 200;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-normal);
    padding: 1.5rem;
}

.modal-backdrop.active {
    opacity: 1;
    pointer-events: auto;
}

.modal {
    background-color: var(--bg-card);
    width: 100%;
    max-width: 650px;
    max-height: 90vh;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transform: scale(0.95);
    transition: transform var(--transition-normal);
}

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

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

.modal-header h3 {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-close-modal {
    background: none;
    border: none;
    font-size: 1.25rem;
    color: var(--text-muted);
    cursor: pointer;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.btn-close-modal:hover {
    background-color: #e2e8f0;
    color: var(--text-primary);
}

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

.modal-body {
    padding: 1.5rem;
    overflow-y: auto;
    flex: 1;
    max-height: calc(85vh - 130px);
    scroll-behavior: smooth;
}

/* Custom Visible Scrollbar on the Right */
.modal-body::-webkit-scrollbar {
    width: 8px;
}

.modal-body::-webkit-scrollbar-track {
    background: #f1f5f9;
    border-radius: 4px;
}

.modal-body::-webkit-scrollbar-thumb {
    background: #94a3b8;
    border-radius: 4px;
}

.modal-body::-webkit-scrollbar-thumb:hover {
    background: var(--primary);
}

.modal-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 0.75rem;
    background-color: var(--bg-main);
}

/* Form Controls */
.form-group {
    margin-bottom: 1.1rem;
}

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

@media (max-width: 600px) {
    .form-row {
        grid-template-columns: 1fr;
    }
}

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 0.4rem;
}

.form-label .required {
    color: #ef4444;
}

.form-control {
    width: 100%;
    padding: 0.65rem 0.85rem;
    font-family: inherit;
    font-size: 0.9rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    outline: none;
    background-color: #ffffff;
    transition: border-color var(--transition-fast);
}

.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.15);
}

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

/* Timeline Activity Stream */
.timeline {
    position: relative;
    padding-left: 1.5rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 7px;
    top: 5px;
    bottom: 5px;
    width: 2px;
    background-color: var(--border-color);
}

.timeline-item {
    position: relative;
    margin-bottom: 1.25rem;
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-dot {
    position: absolute;
    left: -1.5rem;
    top: 4px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background-color: var(--primary);
    border: 3px solid #ffffff;
    box-shadow: 0 0 0 2px var(--primary-light);
}

.timeline-content {
    font-size: 0.875rem;
}

.timeline-time {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 2px;
}

/* Printable Ticket Format */
@media print {
    .sidebar, .top-header, .btn, .filter-bar, .btn-sidebar-action {
        display: none !important;
    }
    .main-content {
        margin-left: 0 !important;
    }
    .content-body {
        padding: 0 !important;
    }
    .printable-receipt {
        display: block !important;
        border: 2px solid #000;
        padding: 2rem;
    }
}

/* Empty State Styling */
.empty-state {
    text-align: center;
    padding: 3rem 1.5rem;
    color: var(--text-secondary);
}

.empty-state i {
    font-size: 3rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
}

.empty-state h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.35rem;
}

/* Notification Toast */
.toast-container {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    z-index: 300;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.toast {
    background-color: var(--bg-sidebar);
    color: #fff;
    padding: 0.85rem 1.25rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.9rem;
    animation: slideInRight 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes slideInRight {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

/* Mobile Responsiveness */
@media (max-width: 900px) {
    .sidebar {
        transform: translateX(-100%);
    }
    .sidebar.open {
        transform: translateX(0);
    }
    .main-content {
        margin-left: 0;
    }
    .menu-toggle {
        display: block;
    }
    .content-body {
        padding: 1rem;
    }
}