/*
 * DocAI - Custom Styles
 * Modern, professional SaaS UI with smooth animations and micro-interactions
 */

/* ========================================
   CSS VARIABLES (Theme Tokens)
   ======================================== */
:root {
    /* Colors */
    --primary: #4F46E5;
    --primary-hover: #4338CA;
    --secondary: #64748B;
    --success: #10B981;
    --danger: #EF4444;
    --warning: #F59E0B;
    --info: #3B82F6;
    --light: #F8FAFC;
    --dark: #0F172A;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);

    /* Sidebar */
    --sidebar-width: 260px;
    --navbar-height: 70px;
}

/* ========================================
   GLOBAL STYLES
   ======================================== */
* {
    box-sizing: border-box;
}

body {
    font-family: var(--font-sans);
    font-size: var(--font-size-base);
    color: var(--dark);
    background-color: var(--light);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

/* ========================================
   LAYOUT
   ======================================== */
.page-wrapper {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.content-wrapper {
    display: flex;
    flex: 1;
    margin-top: var(--navbar-height);
}

.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    min-height: calc(100vh - var(--navbar-height));
    display: flex;
    flex-direction: column;
    transition: margin-left var(--transition-base);
}

.main-content.full-width {
    margin-left: 0;
}

/* ========================================
   NAVBAR
   ======================================== */
.navbar {
    height: var(--navbar-height);
    box-shadow: var(--shadow-sm);
    backdrop-filter: blur(10px);
    background-color: rgba(255, 255, 255, 0.95) !important;
    z-index: 1030;
}

.navbar-brand {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--dark) !important;
}

.navbar .btn-link {
    color: var(--secondary);
    text-decoration: none;
    padding: 0.5rem;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.navbar .btn-link:hover {
    background-color: rgba(79, 70, 229, 0.05);
    color: var(--primary);
}

/* Search Bar */
.search-container {
    position: relative;
    max-width: 600px;
    width: 100%;
}

.search-input {
    padding-left: 2.5rem;
    border: 1px solid #E2E8F0;
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    background-color: #F8FAFC;
}

.search-input:focus {
    background-color: white;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.search-icon {
    position: absolute;
    left: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--secondary);
    pointer-events: none;
}

/* Mobile Search */
.mobile-search {
    background-color: white;
    border-bottom: 1px solid #E2E8F0;
}

/* Avatar Circle */
.avatar-circle {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary) 0%, #7C3AED 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    font-size: var(--font-size-sm);
}

/* Notification Badge */
.notification-badge {
    font-size: 0.65rem;
    padding: 0.2rem 0.4rem;
}

/* Dropdowns */
.notification-dropdown,
.user-dropdown {
    border: none;
    box-shadow: var(--shadow-xl);
    border-radius: var(--radius-lg);
    min-width: 320px;
    margin-top: 0.5rem;
    animation: dropdown-fade-in var(--transition-base);
}

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

.dropdown-item {
    padding: 0.75rem 1rem;
    transition: all var(--transition-fast);
    border-radius: var(--radius-sm);
    margin: 0 0.5rem;
}

.dropdown-item:hover {
    background-color: rgba(79, 70, 229, 0.05);
    color: var(--primary);
}

.dropdown-item i {
    width: 20px;
    text-align: center;
}

.notification-list {
    max-height: 400px;
    overflow-y: auto;
}

/* ========================================
   SIDEBAR
   ======================================== */
.sidebar {
    position: fixed;
    top: var(--navbar-height);
    left: 0;
    width: var(--sidebar-width);
    height: calc(100vh - var(--navbar-height));
    background-color: white;
    border-right: 1px solid #E2E8F0;
    overflow-y: auto;
    overflow-x: hidden;
    transition: transform var(--transition-base);
    z-index: 1020;
}

.sidebar::-webkit-scrollbar {
    width: 6px;
}

.sidebar::-webkit-scrollbar-track {
    background: transparent;
}

.sidebar::-webkit-scrollbar-thumb {
    background: #CBD5E1;
    border-radius: 3px;
}

.sidebar::-webkit-scrollbar-thumb:hover {
    background: #94A3B8;
}

.sidebar-content {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.sidebar-header {
    padding: var(--spacing-lg) 0;
    border-bottom: 1px solid #E2E8F0;
}

.sidebar-nav {
    flex: 1;
    padding: var(--spacing-md) 0;
}

.sidebar-footer {
    padding: var(--spacing-lg);
    border-top: 1px solid #E2E8F0;
}

/* Nav Items */
.nav-section-title {
    padding: var(--spacing-lg) var(--spacing-lg) var(--spacing-sm);
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.sidebar-nav .nav-link {
    display: flex;
    align-items: center;
    padding: 0.75rem var(--spacing-lg);
    color: #475569;
    font-weight: 500;
    border-radius: 0;
    border-left: 3px solid transparent;
    transition: all var(--transition-fast);
    position: relative;
}

.sidebar-nav .nav-link i {
    font-size: 1.25rem;
    margin-right: var(--spacing-md);
    width: 24px;
    text-align: center;
}

.sidebar-nav .nav-link:hover {
    background-color: rgba(79, 70, 229, 0.05);
    color: var(--primary);
    border-left-color: var(--primary);
}

.sidebar-nav .nav-link.active {
    background-color: rgba(79, 70, 229, 0.1);
    color: var(--primary);
    border-left-color: var(--primary);
    font-weight: 600;
}

.sidebar-nav .nav-link .badge {
    margin-left: auto;
    font-size: 0.7rem;
}

/* Upgrade Card */
.upgrade-card {
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, #EEF2FF 0%, #E0E7FF 100%);
    border-radius: var(--radius-lg);
    text-align: center;
}

/* Sidebar Mobile */
.sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1019;
    opacity: 0;
    transition: opacity var(--transition-base);
}

/* Mobile Sidebar */
@media (max-width: 991.98px) {
    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.show {
        transform: translateX(0);
    }

    .sidebar-overlay.show {
        display: block;
        opacity: 1;
    }

    .main-content {
        margin-left: 0;
    }
}

/* ========================================
   CARDS
   ======================================== */
.card {
    border: 1px solid #E2E8F0;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    overflow: hidden;
}

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

.card-header {
    background-color: white;
    border-bottom: 1px solid #E2E8F0;
    padding: var(--spacing-lg);
    font-weight: 600;
}

.card-body {
    padding: var(--spacing-lg);
}

.card-footer {
    background-color: #F8FAFC;
    border-top: 1px solid #E2E8F0;
    padding: var(--spacing-lg);
}

/* Stat Card */
.stat-card {
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary) 0%, #7C3AED 100%);
}

.stat-card .stat-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.stat-card .stat-value {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    line-height: 1.2;
    margin: var(--spacing-md) 0 var(--spacing-xs);
}

.stat-card .stat-label {
    color: var(--secondary);
    font-size: var(--font-size-sm);
}

.stat-card .stat-change {
    font-size: var(--font-size-xs);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
}

.stat-change.positive {
    color: var(--success);
    background-color: rgba(16, 185, 129, 0.1);
}

.stat-change.negative {
    color: var(--danger);
    background-color: rgba(239, 68, 68, 0.1);
}

/* ========================================
   BUTTONS
   ======================================== */
.btn {
    font-weight: 500;
    border-radius: var(--radius-md);
    padding: 0.625rem 1.25rem;
    transition: all var(--transition-fast);
    border: none;
    position: relative;
    overflow: hidden;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

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

.btn-primary:hover:not(:disabled) {
    background-color: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-outline-primary {
    border: 2px solid var(--primary);
    color: var(--primary);
    background-color: transparent;
}

.btn-outline-primary:hover:not(:disabled) {
    background-color: var(--primary);
    color: white;
}

.btn-lg {
    padding: 0.875rem 1.75rem;
    font-size: var(--font-size-lg);
}

.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: var(--font-size-sm);
}

/* Loading Button */
.btn-loading {
    pointer-events: none;
    position: relative;
}

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

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

/* ========================================
   TABLES
   ======================================== */
.table-container {
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.table {
    margin-bottom: 0;
}

.table thead th {
    background-color: #F8FAFC;
    border-bottom: 2px solid #E2E8F0;
    color: var(--secondary);
    font-weight: 600;
    text-transform: uppercase;
    font-size: var(--font-size-xs);
    letter-spacing: 0.05em;
    padding: 1rem;
}

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

.table tbody tr:hover {
    background-color: #F8FAFC;
}

.table tbody td {
    padding: 1rem;
    vertical-align: middle;
    border-bottom: 1px solid #E2E8F0;
}

/* Responsive Table */
.table-responsive {
    border-radius: var(--radius-lg);
}

@media (max-width: 767.98px) {
    .table-responsive {
        border: none;
    }
}

/* ========================================
   FORMS
   ======================================== */
.form-label {
    font-weight: 500;
    color: var(--dark);
    margin-bottom: var(--spacing-sm);
}

.form-control,
.form-select {
    border: 1px solid #E2E8F0;
    border-radius: var(--radius-md);
    padding: 0.625rem 1rem;
    transition: all var(--transition-base);
}

.form-control:focus,
.form-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.form-control::placeholder {
    color: #94A3B8;
}

/* Input Groups */
.input-group {
    box-shadow: var(--shadow-sm);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.input-group .form-control {
    box-shadow: none;
}

/* ========================================
   UPLOAD DROPZONE
   ======================================== */
.upload-dropzone {
    border: 2px dashed #CBD5E1;
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
    text-align: center;
    background-color: #F8FAFC;
    transition: all var(--transition-base);
    cursor: pointer;
    position: relative;
}

.upload-dropzone:hover {
    border-color: var(--primary);
    background-color: rgba(79, 70, 229, 0.02);
}

.upload-dropzone.dragover {
    border-color: var(--primary);
    background-color: rgba(79, 70, 229, 0.05);
    transform: scale(1.02);
}

.upload-dropzone input[type="file"] {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
}

.upload-dropzone .upload-icon {
    font-size: 3rem;
    color: var(--primary);
    margin-bottom: var(--spacing-md);
}

.upload-dropzone .upload-text {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--dark);
    margin-bottom: var(--spacing-sm);
}

.upload-dropzone .upload-hint {
    color: var(--secondary);
    font-size: var(--font-size-sm);
}

/* File Preview */
.file-preview {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background-color: white;
    border: 1px solid #E2E8F0;
    border-radius: var(--radius-md);
    margin-top: var(--spacing-md);
    animation: slide-in-up var(--transition-base);
}

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

.file-preview .file-icon {
    font-size: 2rem;
    color: var(--primary);
}

.file-preview .file-info {
    flex: 1;
}

.file-preview .file-name {
    font-weight: 500;
    color: var(--dark);
    margin-bottom: 0.25rem;
}

.file-preview .file-size {
    font-size: var(--font-size-sm);
    color: var(--secondary);
}

.file-preview .btn-remove {
    color: var(--danger);
}

/* ========================================
   BADGES & PILLS
   ======================================== */
.badge {
    font-weight: 500;
    padding: 0.35rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
}

.badge.badge-lg {
    padding: 0.5rem 1rem;
    font-size: var(--font-size-sm);
}

.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
}

.status-badge::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: currentColor;
}

.status-processing {
    color: var(--info);
    background-color: rgba(59, 130, 246, 0.1);
}

.status-completed {
    color: var(--success);
    background-color: rgba(16, 185, 129, 0.1);
}

.status-failed {
    color: var(--danger);
    background-color: rgba(239, 68, 68, 0.1);
}

.status-pending {
    color: var(--warning);
    background-color: rgba(245, 158, 11, 0.1);
}

/* ========================================
   SKELETON LOADERS
   ======================================== */
.skeleton {
    background: linear-gradient(
        90deg,
        #E2E8F0 0%,
        #F1F5F9 50%,
        #E2E8F0 100%
    );
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s ease-in-out infinite;
    border-radius: var(--radius-md);
}

@keyframes skeleton-loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

.skeleton-text {
    height: 1rem;
    margin-bottom: var(--spacing-sm);
}

.skeleton-text.title {
    height: 1.5rem;
    width: 60%;
}

.skeleton-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
}

.skeleton-card {
    height: 200px;
    border-radius: var(--radius-lg);
}

/* Skeleton Table Row */
.skeleton-row {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: white;
    border-bottom: 1px solid #E2E8F0;
}

.skeleton-row .skeleton {
    flex: 1;
    height: 1rem;
}

/* ========================================
   LOADING OVERLAY
   ======================================== */
.loading-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 9999;
    backdrop-filter: blur(4px);
}

.loading-overlay.show {
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fade-in var(--transition-base);
}

@keyframes fade-in {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.loading-spinner {
    text-align: center;
    color: white;
}

/* ========================================
   TOASTS
   ======================================== */
.toast {
    border: none;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    min-width: 300px;
}

.toast-header {
    background-color: white;
    border-bottom: 1px solid #E2E8F0;
    font-weight: 600;
}

.toast.success {
    border-left: 4px solid var(--success);
}

.toast.error {
    border-left: 4px solid var(--danger);
}

.toast.warning {
    border-left: 4px solid var(--warning);
}

.toast.info {
    border-left: 4px solid var(--info);
}

/* ========================================
   MODALS
   ======================================== */
.modal-content {
    border: none;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
}

.modal-header {
    border-bottom: 1px solid #E2E8F0;
    padding: var(--spacing-xl);
}

.modal-body {
    padding: var(--spacing-xl);
}

.modal-footer {
    border-top: 1px solid #E2E8F0;
    padding: var(--spacing-xl);
}

.modal.fade .modal-dialog {
    transition: transform var(--transition-slow);
}

/* ========================================
   PROGRESS BARS
   ======================================== */
.progress {
    height: 8px;
    border-radius: var(--radius-lg);
    background-color: #E2E8F0;
    overflow: hidden;
}

.progress-bar {
    background: linear-gradient(90deg, var(--primary) 0%, #7C3AED 100%);
    transition: width var(--transition-base);
}

/* ========================================
   PAGINATION
   ======================================== */
.pagination {
    gap: var(--spacing-xs);
}

.page-link {
    border: 1px solid #E2E8F0;
    color: var(--dark);
    border-radius: var(--radius-md);
    padding: 0.5rem 0.75rem;
    margin: 0 0.25rem;
    transition: all var(--transition-fast);
}

.page-link:hover {
    background-color: rgba(79, 70, 229, 0.05);
    border-color: var(--primary);
    color: var(--primary);
}

.page-item.active .page-link {
    background-color: var(--primary);
    border-color: var(--primary);
}

/* ========================================
   CHAT / Q&A INTERFACE
   ======================================== */
.chat-container {
    display: flex;
    flex-direction: column;
    height: calc(100vh - var(--navbar-height) - 8rem);
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-xl);
}

.chat-message {
    margin-bottom: var(--spacing-xl);
    animation: message-appear var(--transition-base);
}

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

.chat-message.user .message-bubble {
    background: linear-gradient(135deg, var(--primary) 0%, #7C3AED 100%);
    color: white;
    margin-left: auto;
    max-width: 70%;
}

.chat-message.assistant .message-bubble {
    background-color: #F8FAFC;
    border: 1px solid #E2E8F0;
    max-width: 85%;
}

.message-bubble {
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    position: relative;
}

.message-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-xs);
    color: var(--secondary);
}

.message-content {
    line-height: 1.6;
}

.chat-input-container {
    border-top: 1px solid #E2E8F0;
    padding: var(--spacing-lg);
    background-color: white;
}

.chat-input {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-end;
}

.chat-input textarea {
    resize: none;
    min-height: 60px;
    max-height: 150px;
}

/* Citations */
.citation-card {
    background-color: #F8FAFC;
    border-left: 3px solid var(--primary);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-top: var(--spacing-md);
    font-size: var(--font-size-sm);
}

.citation-source {
    font-weight: 600;
    color: var(--primary);
    margin-bottom: var(--spacing-xs);
}

/* ========================================
   EMPTY STATES
   ======================================== */
.empty-state {
    text-align: center;
    padding: var(--spacing-2xl);
    color: var(--secondary);
}

.empty-state-icon {
    font-size: 4rem;
    color: #CBD5E1;
    margin-bottom: var(--spacing-lg);
}

.empty-state-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--dark);
    margin-bottom: var(--spacing-sm);
}

.empty-state-description {
    color: var(--secondary);
    margin-bottom: var(--spacing-lg);
}

/* ========================================
   UTILITIES
   ======================================== */
.text-gradient {
    background: linear-gradient(135deg, var(--primary) 0%, #7C3AED 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.glass-effect {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.hover-lift {
    transition: transform var(--transition-base);
}

.hover-lift:hover {
    transform: translateY(-4px);
}

/* Focus Visible (Accessibility) */
*:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

/* ========================================
   RESPONSIVE UTILITIES
   ======================================== */
@media (max-width: 767.98px) {
    :root {
        --navbar-height: 60px;
    }

    .stat-card .stat-value {
        font-size: var(--font-size-2xl);
    }

    .card-body {
        padding: var(--spacing-md);
    }

    .btn {
        padding: 0.5rem 1rem;
    }
}

@media (max-width: 575.98px) {
    .upload-dropzone {
        padding: var(--spacing-xl);
    }

    .upload-dropzone .upload-icon {
        font-size: 2rem;
    }

    .modal-body,
    .modal-header,
    .modal-footer {
        padding: var(--spacing-lg);
    }
}

/* ========================================
   PRINT STYLES
   ======================================== */
@media print {
    .navbar,
    .sidebar,
    .footer,
    .btn,
    .dropdown {
        display: none !important;
    }

    .main-content {
        margin-left: 0;
    }

    .card {
        box-shadow: none;
        border: 1px solid #E2E8F0;
    }
}