/* ============================================
   Asset Management System - Shared Styles
   ============================================ */

:root {
    /* AIIMS Group Brand Colors */
    --primary-color: #f5412c; /* AIIMS Orange */
    --primary-dark: #d93b27;
    --primary-light: #ff6a57;
    --success-color: #28a745;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --info-color: #17a2b8;
    
    /* Dark Theme (Dark Grey/White) */
    --dark-bg: #0d0d0d; /* Dark grey - 50% darker */
    --darker-bg: #080808;
    --card-bg: #1a1a1a;
    --border-color: #333333;
    --text-primary: #ffffff;
    --text-muted: #cccccc;
    --text-secondary: #999999;
    
    /* Shadows */
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.5);
    --shadow-orange: 0 4px 16px rgba(245, 65, 44, 0.3);
    
    /* Transitions */
    --transition: all 0.3s ease;
}

/* ============================================
   Global Improvements
   ============================================ */

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    background-color: #0d0d0d !important;
    color: var(--text-primary);
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Better focus states - AIIMS Orange */
*:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

.btn:focus {
    box-shadow: 0 0 0 0.25rem rgba(245, 65, 44, 0.5);
}

/* ============================================
   Navigation Improvements
   ============================================ */

.navbar {
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow);
    transition: var(--transition);
    background-color: #0d0d0d !important;
    border-bottom: 1px solid var(--border-color) !important;
}

.navbar-brand {
    font-weight: 700;
    letter-spacing: -0.5px;
    transition: var(--transition);
    color: var(--text-primary) !important;
}

.navbar-brand:hover {
    color: var(--primary-color) !important;
}

.navbar-brand:hover {
    transform: scale(1.05);
}

.navbar .btn {
    transition: var(--transition);
    border-width: 2px;
    font-weight: 500;
}

.navbar .btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.navbar .nav-btn {
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
    background: transparent;
    border-radius: 999px;
    padding: 0.4rem 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    line-height: 1;
    white-space: nowrap;
}

.navbar .nav-btn:hover {
    background: rgba(245, 65, 44, 0.12);
    color: var(--text-primary);
}

.navbar .nav-btn.active {
    background: rgba(245, 65, 44, 0.18);
    box-shadow: var(--shadow-orange);
    color: var(--text-primary);
}

.navbar .nav-btn-muted {
    border-color: #4b4b4b;
    color: #c4c4c4;
}

.navbar .nav-btn-muted:hover {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-primary);
}

.navbar .nav-btn-logout {
    border-color: var(--danger-color);
    color: #fff;
    background: rgba(220, 53, 69, 0.2);
}

.navbar .nav-btn-logout:hover {
    background: rgba(220, 53, 69, 0.35);
    color: #fff;
}

/* ============================================
   Card Improvements
   ============================================ */

.card {
    border: none;
    border-radius: 12px;
    overflow: hidden;
    transition: var(--transition);
    box-shadow: var(--shadow);
    background-color: var(--card-bg) !important;
    color: var(--text-primary);
}

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

.card-header {
    border-bottom: 2px solid var(--border-color);
    font-weight: 600;
    padding: 1rem 1.25rem;
}

.card-body {
    padding: 1.5rem;
}

/* Gradient headers - AIIMS Orange */
.card-header.bg-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%) !important;
}

.card-header.bg-success {
    background: linear-gradient(135deg, #198754 0%, #146c43 100%) !important;
}

.card-header.bg-warning {
    background: linear-gradient(135deg, #ffc107 0%, #ffb300 100%) !important;
}

.card-header.bg-danger {
    background: linear-gradient(135deg, #dc3545 0%, #b02a37 100%) !important;
}

/* ============================================
   Button Improvements
   ============================================ */

.btn {
    border-radius: 8px;
    font-weight: 500;
    padding: 0.5rem 1.25rem;
    transition: var(--transition);
    border-width: 2px;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

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

.btn:active {
    transform: translateY(0);
}

.btn-lg {
    padding: 0.75rem 1.5rem;
    font-size: 1.1rem;
}

.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: 0.875rem;
}

/* Button variants - AIIMS Orange */
.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    border-color: var(--primary-dark);
    color: #ffffff;
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary-color) 100%);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-orange);
}

.btn-success {
    background: linear-gradient(135deg, #198754 0%, #146c43 100%);
    border-color: #146c43;
}

.btn-warning {
    background: linear-gradient(135deg, #ffc107 0%, #ffb300 100%);
    border-color: #ffb300;
    color: #000;
}

.btn-danger {
    background: linear-gradient(135deg, #dc3545 0%, #b02a37 100%);
    border-color: #b02a37;
}

/* Outline button hover states - Orange/Dark Grey theme (50% darker) */
.btn-outline-primary:hover {
    background-color: var(--primary-dark);
    border-color: var(--primary-dark);
    color: #ffffff;
    box-shadow: var(--shadow-orange);
}

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

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

.btn-outline-secondary:hover,
.btn-outline-light:hover {
    background-color: #151515; /* 50% darker grey */
    border-color: #2a2a2a;
    color: #ffffff;
}

.btn-outline-info:hover {
    background-color: var(--primary-dark);
    border-color: var(--primary-dark);
    color: #ffffff;
    box-shadow: var(--shadow-orange);
}

/* ============================================
   Form Improvements
   ============================================ */

.form-control,
.form-select {
    border-radius: 8px;
    border: 2px solid var(--border-color);
    padding: 0.625rem 1rem;
    transition: var(--transition);
    background-color: var(--card-bg);
    color: var(--text-primary);
}

.form-control:focus,
.form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.25rem rgba(245, 65, 44, 0.25);
    background-color: var(--card-bg);
    color: var(--text-primary);
}

.form-label {
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.form-control::placeholder {
    color: var(--text-muted);
    opacity: 0.7;
}

/* Input groups */
.input-group-text {
    background-color: var(--card-bg);
    border: 2px solid var(--border-color);
    color: var(--text-primary);
}

/* ============================================
   Alert Improvements
   ============================================ */

.alert {
    border-radius: 10px;
    border: none;
    padding: 1rem 1.25rem;
    box-shadow: var(--shadow);
    animation: slideIn 0.3s ease-out;
    position: relative;
    overflow: hidden;
}

.alert::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: currentColor;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.alert-success {
    background: linear-gradient(135deg, rgba(40, 167, 69, 0.15) 0%, rgba(40, 167, 69, 0.05) 100%);
    color: #6cce8a;
    border-left: 4px solid var(--success-color);
}

.alert-danger {
    background: linear-gradient(135deg, rgba(220, 53, 69, 0.15) 0%, rgba(220, 53, 69, 0.05) 100%);
    color: #f1aeb5;
    border-left: 4px solid var(--danger-color);
}

.alert-info {
    background: linear-gradient(135deg, rgba(245, 65, 44, 0.15) 0%, rgba(245, 65, 44, 0.05) 100%);
    color: var(--primary-light);
    border-left: 4px solid var(--primary-color);
}

.alert-link {
    color: var(--primary-color) !important;
    text-decoration: underline;
}

.alert-link:hover {
    color: var(--primary-light) !important;
}

.alert-warning {
    background: linear-gradient(135deg, rgba(255, 193, 7, 0.15) 0%, rgba(255, 193, 7, 0.05) 100%);
    color: #ffda6a;
    border-left: 4px solid var(--warning-color);
}

/* ============================================
   Badge Improvements
   ============================================ */

.badge {
    padding: 0.4em 0.8em;
    border-radius: 6px;
    font-weight: 500;
    font-size: 0.85em;
    letter-spacing: 0.3px;
}

/* ============================================
   Table Improvements
   ============================================ */

.table {
    border-radius: 8px;
    overflow: hidden;
}

.table-dark {
    background-color: var(--dark-bg);
}

.table-hover tbody tr {
    transition: var(--transition);
}

.table-hover tbody tr:hover {
    background-color: rgba(255, 255, 255, 0.05);
    transform: scale(1.01);
}

.table thead th {
    border-bottom: 2px solid var(--border-color);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.5px;
    color: var(--text-primary);
}

/* ============================================
   Modal Improvements
   ============================================ */

.modal-content {
    border-radius: 12px;
    border: none;
    box-shadow: var(--shadow-lg);
    background-color: var(--card-bg) !important;
    color: var(--text-primary);
}

.modal-header {
    border-bottom: 2px solid var(--border-color);
    padding: 1.25rem;
}

.modal-footer {
    border-top: 2px solid var(--border-color);
    padding: 1.25rem;
}

.modal-body {
    padding: 1.5rem;
}

/* ============================================
   Accordion Improvements
   ============================================ */

.accordion-item {
    border: none;
    margin-bottom: 0.75rem;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.accordion-button {
    border-radius: 8px !important;
    transition: var(--transition);
    background-color: var(--card-bg) !important;
    color: var(--text-primary) !important;
}

.accordion-button:not(.collapsed) {
    box-shadow: none;
    border-bottom-left-radius: 0 !important;
    border-bottom-right-radius: 0 !important;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%) !important;
    color: #fff !important;
}

.accordion-button:focus {
    box-shadow: 0 0 0 0.25rem rgba(245, 65, 44, 0.25);
}

/* ============================================
   Loading States
   ============================================ */

.btn.loading {
    position: relative;
    color: transparent !important;
    pointer-events: none;
}

.btn.loading::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    top: 50%;
    left: 50%;
    margin-left: -8px;
    margin-top: -8px;
    border: 2px solid #fff;
    border-radius: 50%;
    border-top-color: transparent;
    animation: spinner 0.6s linear infinite;
}

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

/* ============================================
   Asset Icon
   ============================================ */

.asset-icon {
    font-size: 3.5rem;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3));
    transition: var(--transition);
}

.asset-icon:hover {
    transform: scale(1.1) rotate(5deg);
}

/* ============================================
   Fixed Bottom Button
   ============================================ */

.fixed-bottom-btn {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 1000;
    box-shadow: var(--shadow-lg);
    border: 2px solid #fff;
    border-radius: 50px;
    padding: 1rem 2rem;
    font-weight: 600;
    animation: pulse 2s infinite;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 4px 16px rgba(245, 65, 44, 0.4);
    }
    50% {
        box-shadow: 0 4px 24px rgba(245, 65, 44, 0.6);
    }
}

/* ============================================
   Status Badges
   ============================================ */

.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-weight: 500;
    font-size: 0.9rem;
}

.status-available {
    background: linear-gradient(135deg, rgba(25, 135, 84, 0.2) 0%, rgba(25, 135, 84, 0.1) 100%);
    color: #75b798;
    border: 2px solid var(--success-color);
}

.status-assigned {
    background: linear-gradient(135deg, rgba(245, 65, 44, 0.2) 0%, rgba(245, 65, 44, 0.1) 100%);
    color: var(--primary-light);
    border: 2px solid var(--primary-color);
}

.status-repair {
    background: linear-gradient(135deg, rgba(245, 65, 44, 0.15) 0%, rgba(245, 65, 44, 0.05) 100%);
    color: var(--primary-light);
    border: 2px solid var(--primary-color);
}

.status-deleted {
    background: linear-gradient(135deg, rgba(220, 53, 69, 0.2) 0%, rgba(220, 53, 69, 0.1) 100%);
    color: #f1aeb5;
    border: 2px solid var(--danger-color);
}

/* ============================================
   Pagination Improvements
   ============================================ */

.pagination .page-link {
    border-radius: 6px;
    margin: 0 2px;
    border: 2px solid var(--border-color);
    transition: var(--transition);
}

.pagination .page-link:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.pagination .page-item.active .page-link {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    border-color: var(--primary-dark);
}

/* ============================================
   Mobile Responsiveness
   ============================================ */

@media (max-width: 768px) {
    /* Navigation improvements */
    .navbar-collapse {
        margin-top: 1rem;
        padding-top: 1rem;
        border-top: 1px solid var(--border-color);
    }
    
    .navbar .btn {
        width: 100%;
        margin-bottom: 0.5rem;
        font-size: 0.9rem;
        padding: 0.625rem 1rem;
        min-height: 44px; /* Touch-friendly */
    }
    
    .navbar .btn:last-child {
        margin-bottom: 0;
    }
    
    /* Container and layout */
    .container {
        padding-left: 0.75rem;
        padding-right: 0.75rem;
    }
    
    .row {
        margin-left: -0.5rem;
        margin-right: -0.5rem;
    }
    
    .row > * {
        padding-left: 0.5rem;
        padding-right: 0.5rem;
    }
    
    /* Stack columns on mobile */
    .col-md-4,
    .col-md-8,
    .col-lg-4,
    .col-lg-8 {
        width: 100%;
        margin-bottom: 1.5rem;
    }
    
    /* Cards */
    .card {
        margin-bottom: 1rem;
    }
    
    .card-header {
        padding: 0.875rem 1rem;
        font-size: 0.95rem;
    }
    
    .card-body {
        padding: 1rem;
    }
    
    /* Forms */
    .form-control,
    .form-select {
        font-size: 16px; /* Prevents zoom on iOS */
        padding: 0.75rem 1rem;
    }
    
    .form-label {
        font-size: 0.9rem;
        margin-bottom: 0.375rem;
    }
    
    /* Form rows - stack on mobile */
    .row.g-2 > [class*="col-"],
    .row.g-3 > [class*="col-"] {
        width: 100%;
        margin-bottom: 0.75rem;
    }
    
    .row.g-2 > [class*="col-"]:last-child,
    .row.g-3 > [class*="col-"]:last-child {
        margin-bottom: 0;
    }
    
    /* Buttons */
    .btn {
        padding: 0.75rem 1.25rem;
        font-size: 0.95rem;
        min-height: 44px; /* Touch-friendly size */
    }
    
    .btn-sm {
        padding: 0.5rem 0.875rem;
        font-size: 0.875rem;
        min-height: 36px;
    }
    
    .btn-lg {
        padding: 1rem 1.5rem;
        font-size: 1.1rem;
        min-height: 48px;
    }
    
    /* Button groups - stack on mobile */
    .btn-group {
        flex-direction: column;
        width: 100%;
    }
    
    .btn-group .btn {
        width: 100%;
        border-radius: 0.375rem !important;
        margin-left: 0 !important;
        margin-bottom: 0.5rem;
    }
    
    .btn-group .btn:last-child {
        margin-bottom: 0;
    }
    
    /* Tables - make scrollable on mobile */
    .table-responsive {
        border-radius: 8px;
        -webkit-overflow-scrolling: touch;
    }
    
    .table {
        font-size: 0.875rem;
        min-width: 600px; /* Force horizontal scroll */
    }
    
    .table th,
    .table td {
        padding: 0.75rem 0.5rem;
        white-space: nowrap;
    }
    
    /* Search bar */
    #searchInput,
    .search-input {
        width: 100% !important;
        margin-top: 0.75rem;
    }
    
    /* Flex containers */
    .d-flex.justify-content-between.align-items-center {
        flex-direction: column;
        align-items: flex-start !important;
    }
    
    .d-flex.justify-content-between.align-items-center h4,
    .d-flex.justify-content-between.align-items-center h3 {
        margin-bottom: 0.75rem;
    }
    
    /* Accordion */
    .accordion-button {
        padding: 0.875rem 1rem;
        font-size: 0.9rem;
    }
    
    /* Action buttons in table - make touch-friendly */
    .table .btn-group .btn {
        min-width: 44px;
        padding: 0.5rem;
    }
    
    /* Modals */
    .modal-dialog {
        margin: 0.5rem;
    }
    
    .modal-content {
        border-radius: 12px;
    }
    
    .modal-body {
        padding: 1rem;
    }
    
    /* Hot device toggle */
    .form-check {
        padding: 0.75rem;
        background-color: rgba(255, 255, 255, 0.03);
        border-radius: 8px;
        margin-bottom: 1rem;
    }
    
    .form-check-input {
        width: 2.5rem;
        height: 1.5rem;
        margin-top: 0.25rem;
    }
    
    .form-check-label {
        font-size: 0.95rem;
        line-height: 1.5;
    }
    
    /* Fixed bottom button */
    .fixed-bottom-btn {
        bottom: 10px;
        right: 10px;
        padding: 0.75rem 1.5rem;
        font-size: 0.9rem;
    }
    
    /* Asset icon */
    .asset-icon {
        font-size: 2.5rem;
    }
    
    /* Nav tabs */
    .nav-tabs {
        flex-wrap: wrap;
    }
    
    .nav-tabs .nav-link {
        padding: 0.625rem 1rem;
        font-size: 0.9rem;
    }
    
    /* Badges */
    .badge {
        font-size: 0.8rem;
        padding: 0.35rem 0.7rem;
    }
    
    /* Input groups */
    .input-group {
        flex-wrap: wrap;
    }
    
    .input-group > * {
        width: 100% !important;
        margin-bottom: 0.5rem;
    }
    
    .input-group > *:last-child {
        margin-bottom: 0;
    }
    
    /* Users page specific mobile improvements */
    .table td .fw-bold {
        font-size: 0.9rem;
    }
    
    .table td .small {
        font-size: 0.75rem;
    }
    
    /* Better spacing for user cards on mobile */
    .card.mt-3 {
        margin-top: 1rem !important;
    }
}

/* Extra small devices */
@media (max-width: 576px) {
    .navbar-brand {
        font-size: 1rem;
    }
    
    .card-header h5,
    .card-header h4 {
        font-size: 1rem;
    }
    
    .table {
        font-size: 0.8rem;
    }
    
    .btn {
        font-size: 0.9rem;
        padding: 0.625rem 1rem;
    }
    
    h1 { font-size: 1.75rem; }
    h2 { font-size: 1.5rem; }
    h3 { font-size: 1.25rem; }
    h4 { font-size: 1.1rem; }
    h5 { font-size: 1rem; }
}

/* Landscape mobile */
@media (max-width: 768px) and (orientation: landscape) {
    .navbar-collapse {
        max-height: 60vh;
        overflow-y: auto;
    }
    
    .modal-dialog {
        max-height: 90vh;
        overflow-y: auto;
    }
}

/* ============================================
   Utility Classes
   ============================================ */

.text-gradient {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.shadow-sm {
    box-shadow: var(--shadow);
}

.shadow-lg {
    box-shadow: var(--shadow-lg);
}

.rounded-lg {
    border-radius: 12px;
}

.fade-in {
    animation: fadeIn 0.5s ease-in;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* ============================================
   Scanner Modal
   ============================================ */

#reader video {
    object-fit: cover;
    border-radius: 12px;
    box-shadow: var(--shadow);
}

#loadingMsg {
    color: var(--text-muted);
    font-size: 1.1rem;
    font-weight: 500;
}

/* ============================================
   Tom Select Dark Mode (Enhanced)
   ============================================ */

.ts-control {
    background-color: var(--card-bg) !important;
    border: 2px solid var(--border-color) !important;
    color: var(--text-primary) !important;
    border-radius: 8px !important;
    transition: var(--transition) !important;
}

.ts-control.focus {
    border-color: var(--primary-color) !important;
    box-shadow: 0 0 0 0.25rem rgba(245, 65, 44, 0.25) !important;
}

.ts-dropdown {
    background-color: var(--card-bg) !important;
    border: 2px solid var(--border-color) !important;
    border-radius: 8px !important;
    box-shadow: var(--shadow-lg) !important;
}

.ts-dropdown .option {
    color: var(--text-primary) !important;
    transition: var(--transition) !important;
}

.ts-dropdown .option:hover,
.ts-dropdown .active {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%) !important;
    color: #fff !important;
}

.ts-control input {
    color: var(--text-primary) !important;
}