/**
 * Kredo Analytics - Main Stylesheet
 * ERPNext-inspired clean, minimal design
 * Colors: Black, White, Blue accents, Minimal pastels
 */

/* ========================================
   CSS Variables
   ======================================== */
:root {
    /* Primary Colors */
    --color-black: #1a1a1a;
    --color-white: #ffffff;
    --color-blue: #2490ef;
    --color-blue-dark: #1a6dbf;
    --color-blue-light: #e8f4fd;
    
    /* Gray Scale */
    --color-gray-50: #fafafa;
    --color-gray-100: #f5f5f5;
    --color-gray-200: #eeeeee;
    --color-gray-300: #e0e0e0;
    --color-gray-400: #bdbdbd;
    --color-gray-500: #9e9e9e;
    --color-gray-600: #757575;
    --color-gray-700: #616161;
    --color-gray-800: #424242;
    --color-gray-900: #212121;
    
    /* Status Colors - Muted pastels */
    --color-success: #4caf50;
    --color-success-bg: #e8f5e9;
    --color-warning: #ff9800;
    --color-warning-bg: #fff3e0;
    --color-danger: #f44336;
    --color-danger-bg: #ffebee;
    --color-info: #2196f3;
    --color-info-bg: #e3f2fd;
    
    /* Typography */
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 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;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    /* Layout */
    --sidebar-width: 240px;
    --header-height: 56px;
    --border-radius: 4px;
    --border-radius-lg: 8px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.1);
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.25s ease;
}

/* ========================================
   Reset & Base
   ======================================== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.5;
    color: var(--color-black);
    background-color: var(--color-gray-100);
}

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

a:hover {
    color: var(--color-blue-dark);
}

img {
    max-width: 100%;
    height: auto;
}

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

.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    padding-top: var(--header-height);
    transition: margin-left var(--transition-normal);
}

.main-content.sidebar-collapsed {
    margin-left: 60px;
}

.page-container {
    padding: var(--spacing-lg);
    max-width: 1600px;
}

/* Full width for mobile */
@media (max-width: 768px) {
    .main-content {
        margin-left: 0;
        padding-top: 60px;
    }
    
    .page-container {
        padding: 0.75rem;
        padding-top: 0.5rem;
    }
}

/* Small mobile */
@media (max-width: 480px) {
    .page-container {
        padding: 0.5rem;
        padding-top: 0.5rem;
    }
}

/* ========================================
   Sidebar
   ======================================== */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background: var(--color-white);
    border-right: 1px solid var(--color-gray-200);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    transition: width var(--transition-normal);
}

.sidebar.collapsed {
    width: 60px;
}

.sidebar-header {
    height: var(--header-height);
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--color-gray-200);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.sidebar-logo {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-black);
    white-space: nowrap;
    overflow: hidden;
}

.sidebar-logo span {
    color: var(--color-blue);
}

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

.nav-section {
    margin-bottom: var(--spacing-md);
}

.nav-section-title {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--color-gray-500);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.nav-item {
    display: flex;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--color-gray-700);
    font-size: var(--font-size-sm);
    transition: all var(--transition-fast);
    gap: var(--spacing-sm);
    border-left: 3px solid transparent;
}

.nav-item:hover {
    background: var(--color-gray-100);
    color: var(--color-black);
}

.nav-item.active {
    background: var(--color-blue-light);
    color: var(--color-blue);
    border-left-color: var(--color-blue);
}

.nav-item svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.nav-item span {
    white-space: nowrap;
    overflow: hidden;
}

.sidebar.collapsed .nav-item span,
.sidebar.collapsed .nav-section-title {
    display: none;
}

/* Mobile sidebar overlay */
.sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
}

/* ========================================
   Header
   ======================================== */
.header {
    position: fixed;
    top: 0;
    left: var(--sidebar-width);
    right: 0;
    height: var(--header-height);
    min-height: var(--header-height);
    background: var(--color-white);
    border-bottom: 1px solid var(--color-gray-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--spacing-lg);
    z-index: 900;
    transition: left var(--transition-normal);
    box-sizing: border-box;
}

.header.sidebar-collapsed {
    left: 60px;
}

@media (max-width: 768px) {
    :root {
        --header-height: 60px;
    }
    
    .header {
        left: 0;
        height: 60px;
        min-height: 60px;
        padding: 0 var(--spacing-sm);
    }
}

.header-left {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.header-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-black);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 180px;
}

@media (min-width: 769px) {
    .header-title {
        max-width: none;
    }
}

@media (max-width: 480px) {
    .header-title {
        font-size: var(--font-size-base);
        max-width: 140px;
    }
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    padding: var(--spacing-sm);
    cursor: pointer;
    color: var(--color-gray-700);
}

@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
    }
}

.header-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

@media (max-width: 768px) {
    .header-right {
        gap: 0.25rem;
    }
    
    .header-right .user-info {
        display: none;
    }
    
    .header-right .badge {
        font-size: 0.6rem;
        padding: 2px 4px;
        max-width: 70px;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }
}

.header-user {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: background var(--transition-fast);
}

.header-user:hover {
    background: var(--color-gray-100);
}

.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--color-blue);
    color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-sm);
    font-weight: 600;
}

.user-info {
    text-align: left;
}

.user-name {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-black);
}

.user-role {
    font-size: var(--font-size-xs);
    color: var(--color-gray-500);
}

/* ========================================
   Page Header
   ======================================== */
.page-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.page-header h1 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-black);
    margin: 0;
}

.page-header p {
    margin: 0.25rem 0 0 0;
    color: var(--color-gray-600);
    font-size: 0.875rem;
}

@media (max-width: 768px) {
    .page-header {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
        gap: 0.5rem;
        margin-bottom: 0.75rem;
    }
    
    .page-header h1 {
        font-size: 1.125rem;
    }
    
    .page-header p {
        font-size: 0.75rem;
        margin-top: 0.125rem;
    }
    
    .page-header .btn {
        padding: 0.375rem 0.625rem;
        font-size: 0.75rem;
    }
}

@media (max-width: 480px) {
    .page-header {
        flex-direction: column;
        align-items: stretch;
        gap: 0.375rem;
    }
    
    .page-header h1 {
        font-size: 1rem;
    }
    
    .page-header .btn {
        width: 100%;
        justify-content: center;
    }
}

/* ========================================
   Cards
   ======================================== */
.card {
    background: var(--color-white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-gray-200);
}

.card-header {
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--color-gray-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-title {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--color-black);
}

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

.card-footer {
    padding: var(--spacing-md) var(--spacing-lg);
    border-top: 1px solid var(--color-gray-200);
    background: var(--color-gray-50);
}

/* Stat Cards */
.stat-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.stat-card {
    background: var(--color-white);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    border: 1px solid var(--color-gray-200);
}

.stat-card-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: var(--spacing-sm);
}

.stat-card-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
}

.stat-card-icon.blue {
    background: var(--color-blue-light);
    color: var(--color-blue);
}

.stat-card-icon.green {
    background: var(--color-success-bg);
    color: var(--color-success);
}

.stat-card-icon.red {
    background: var(--color-danger-bg);
    color: var(--color-danger);
}

.stat-card-icon.orange {
    background: var(--color-warning-bg);
    color: var(--color-warning);
}

.stat-card-value {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-black);
    line-height: 1.2;
}

.stat-card-label {
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
}

.stat-card-footer {
    margin-top: var(--spacing-sm);
    font-size: var(--font-size-xs);
    color: var(--color-gray-500);
}

/* ========================================
   Buttons
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-sm);
    font-weight: 500;
    border-radius: var(--border-radius);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

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

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

.btn-primary:hover:not(:disabled) {
    background: var(--color-blue-dark);
    border-color: var(--color-blue-dark);
}

.btn-secondary {
    background: var(--color-white);
    color: var(--color-gray-700);
    border-color: var(--color-gray-300);
}

.btn-secondary:hover:not(:disabled) {
    background: var(--color-gray-100);
    border-color: var(--color-gray-400);
}

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

.btn-success:hover:not(:disabled) {
    background: #43a047;
}

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

.btn-danger:hover:not(:disabled) {
    background: #e53935;
}

.btn-outline {
    background: transparent;
    color: var(--color-blue);
    border-color: var(--color-blue);
}

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

.btn-sm {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-xs);
}

.btn-lg {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-base);
}

.btn-block {
    width: 100%;
}

.btn-icon {
    padding: var(--spacing-sm);
}

/* ========================================
   Forms
   ======================================== */
.form-group {
    margin-bottom: var(--spacing-md);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-gray-700);
}

.form-label.required::after {
    content: ' *';
    color: var(--color-danger);
}

.form-control {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-sm);
    border: 1px solid var(--color-gray-300);
    border-radius: var(--border-radius);
    background: var(--color-white);
    color: var(--color-black);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control:focus {
    outline: none;
    border-color: var(--color-blue);
    box-shadow: 0 0 0 3px var(--color-blue-light);
}

.form-control:disabled {
    background: var(--color-gray-100);
    cursor: not-allowed;
}

.form-control.is-invalid {
    border-color: var(--color-danger);
}

.form-control.is-invalid:focus {
    box-shadow: 0 0 0 3px var(--color-danger-bg);
}

textarea.form-control {
    min-height: 100px;
    resize: vertical;
}

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%23757575' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

.form-text {
    margin-top: var(--spacing-xs);
    font-size: var(--font-size-xs);
    color: var(--color-gray-500);
}

.form-error {
    margin-top: var(--spacing-xs);
    font-size: var(--font-size-xs);
    color: var(--color-danger);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

/* Checkbox & Radio */
.form-check {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
}

.form-check-input {
    width: 18px;
    height: 18px;
    accent-color: var(--color-blue);
    cursor: pointer;
}

.form-check-label {
    font-size: var(--font-size-sm);
    color: var(--color-gray-700);
    cursor: pointer;
}

/* File Upload */
.file-upload {
    position: relative;
    border: 2px dashed var(--color-gray-300);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.file-upload:hover {
    border-color: var(--color-blue);
    background: var(--color-blue-light);
}

.file-upload.dragover {
    border-color: var(--color-blue);
    background: var(--color-blue-light);
}

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

.file-upload-icon {
    font-size: 48px;
    color: var(--color-gray-400);
    margin-bottom: var(--spacing-sm);
}

.file-upload-text {
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
}

.file-upload-text strong {
    color: var(--color-blue);
}

/* ========================================
   Tables
   ======================================== */
.table-wrapper {
    overflow-x: auto;
}

.table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--font-size-sm);
}

.table th,
.table td {
    padding: var(--spacing-sm) var(--spacing-md);
    text-align: left;
    border-bottom: 1px solid var(--color-gray-200);
}

.table th {
    font-weight: 600;
    color: var(--color-gray-700);
    background: var(--color-gray-50);
    white-space: nowrap;
}

.table tbody tr:hover {
    background: var(--color-gray-50);
}

.table tbody tr.selected {
    background: var(--color-blue-light);
}

.table-actions {
    display: flex;
    gap: var(--spacing-xs);
}

/* ========================================
   Badges
   ======================================== */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 2px 8px;
    font-size: var(--font-size-xs);
    font-weight: 500;
    border-radius: 12px;
    white-space: nowrap;
}

.badge-primary {
    background: var(--color-blue-light);
    color: var(--color-blue);
}

.badge-secondary {
    background: var(--color-gray-200);
    color: var(--color-gray-700);
}

.badge-success {
    background: var(--color-success-bg);
    color: var(--color-success);
}

.badge-warning {
    background: var(--color-warning-bg);
    color: var(--color-warning);
}

.badge-danger {
    background: var(--color-danger-bg);
    color: var(--color-danger);
}

.badge-dark {
    background: var(--color-gray-800);
    color: var(--color-white);
}

.badge-info {
    background: var(--color-info-bg);
    color: var(--color-info);
}

/* ========================================
   Alerts
   ======================================== */
.alert {
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
}

.alert-success {
    background: var(--color-success-bg);
    color: var(--color-success);
    border: 1px solid var(--color-success);
}

.alert-warning {
    background: var(--color-warning-bg);
    color: #e65100;
    border: 1px solid var(--color-warning);
}

.alert-danger {
    background: var(--color-danger-bg);
    color: var(--color-danger);
    border: 1px solid var(--color-danger);
}

.alert-info {
    background: var(--color-info-bg);
    color: var(--color-info);
    border: 1px solid var(--color-info);
}

/* ========================================
   Modal
   ======================================== */
.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.modal-backdrop.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--color-white);
    border-radius: var(--border-radius-lg);
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transform: translateY(-20px);
    transition: transform var(--transition-normal);
}

.modal-backdrop.active .modal {
    transform: translateY(0);
}

.modal-lg {
    max-width: 800px;
}

.modal-header {
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--color-gray-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    font-size: 24px;
    color: var(--color-gray-500);
    cursor: pointer;
    padding: 0;
    line-height: 1;
}

.modal-close:hover {
    color: var(--color-black);
}

.modal-body {
    padding: var(--spacing-lg);
    overflow-y: auto;
    flex: 1;
}

.modal-footer {
    padding: var(--spacing-md) var(--spacing-lg);
    border-top: 1px solid var(--color-gray-200);
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-sm);
}

/* ========================================
   Dropdown
   ======================================== */
.dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    min-width: 180px;
    background: var(--color-white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--color-gray-200);
    z-index: 1100;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-fast);
}

.dropdown.active .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-sm);
    color: var(--color-gray-700);
    cursor: pointer;
    transition: background var(--transition-fast);
}

.dropdown-item:hover {
    background: var(--color-gray-100);
}

.dropdown-divider {
    height: 1px;
    background: var(--color-gray-200);
    margin: var(--spacing-xs) 0;
}

/* ========================================
   Empty State
   ======================================== */
.empty-state {
    text-align: center;
    padding: var(--spacing-2xl);
}

.empty-state-icon {
    font-size: 64px;
    color: var(--color-gray-300);
    margin-bottom: var(--spacing-md);
}

.empty-state-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-gray-700);
    margin-bottom: var(--spacing-sm);
}

.empty-state-text {
    color: var(--color-gray-500);
    margin-bottom: var(--spacing-lg);
}

/* ========================================
   Pagination
   ======================================== */
.pagination-wrapper {
    display: flex;
    justify-content: center;
    margin-top: var(--spacing-lg);
}

.pagination {
    display: flex;
    list-style: none;
    gap: var(--spacing-xs);
}

.pagination li a,
.pagination li span {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
    padding: 0 var(--spacing-sm);
    font-size: var(--font-size-sm);
    color: var(--color-gray-700);
    background: var(--color-white);
    border: 1px solid var(--color-gray-300);
    border-radius: var(--border-radius);
    transition: all var(--transition-fast);
}

.pagination li a:hover {
    background: var(--color-gray-100);
    border-color: var(--color-gray-400);
}

.pagination li.active a {
    background: var(--color-blue);
    color: var(--color-white);
    border-color: var(--color-blue);
}

/* ========================================
   Tabs
   ======================================== */
.tabs {
    display: flex;
    border-bottom: 1px solid var(--color-gray-200);
    margin-bottom: var(--spacing-lg);
}

.tab-item {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-gray-600);
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.tab-item:hover {
    color: var(--color-black);
}

.tab-item.active {
    color: var(--color-blue);
    border-bottom-color: var(--color-blue);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* ========================================
   Progress Bar
   ======================================== */
.progress {
    height: 8px;
    background: var(--color-gray-200);
    border-radius: 4px;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: var(--color-blue);
    border-radius: 4px;
    transition: width var(--transition-normal);
}

.progress-bar.success {
    background: var(--color-success);
}

.progress-bar.danger {
    background: var(--color-danger);
}

/* ========================================
   Loading
   ======================================== */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 3000;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--color-gray-200);
    border-top-color: var(--color-blue);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* ========================================
   Search
   ======================================== */
.search-box {
    position: relative;
    max-width: 300px;
}

.search-box input {
    padding-left: 40px;
}

.search-box svg {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-gray-400);
    width: 18px;
    height: 18px;
}

/* ========================================
   Filter Bar
   ======================================== */
.filter-bar {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md);
    background: var(--color-gray-50);
    border-radius: var(--border-radius);
}

.filter-group {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.filter-label {
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
    white-space: nowrap;
}

/* ========================================
   Mobile Verification Page Styles
   ======================================== */
.verify-page {
    background: var(--color-gray-100);
    min-height: 100vh;
}

.verify-header {
    background: var(--color-white);
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--color-gray-200);
    position: sticky;
    top: 0;
    z-index: 100;
}

.verify-asset-card {
    background: var(--color-white);
    margin: var(--spacing-md);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.verify-asset-header {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--color-gray-200);
}

.verify-asset-id {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-black);
}

.verify-asset-name {
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
}

.verify-asset-details {
    padding: var(--spacing-md);
}

.verify-detail-row {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-xs) 0;
    font-size: var(--font-size-sm);
}

.verify-detail-label {
    color: var(--color-gray-500);
}

.verify-detail-value {
    color: var(--color-black);
    font-weight: 500;
}

.verify-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--color-gray-50);
}

.verify-btn {
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    font-size: var(--font-size-lg);
    font-weight: 600;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
}

.verify-btn.found {
    background: var(--color-success-bg);
    color: var(--color-success);
    border: 2px solid var(--color-success);
}

.verify-btn.found:hover {
    background: var(--color-success);
    color: var(--color-white);
}

.verify-btn.not-found {
    background: var(--color-danger-bg);
    color: var(--color-danger);
    border: 2px solid var(--color-danger);
}

.verify-btn.not-found:hover {
    background: var(--color-danger);
    color: var(--color-white);
}

.verify-form {
    padding: var(--spacing-md);
}

/* Image Upload Preview */
.image-preview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
}

.image-preview-item {
    position: relative;
    aspect-ratio: 1;
    border-radius: var(--border-radius);
    overflow: hidden;
}

.image-preview-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.image-preview-remove {
    position: absolute;
    top: 4px;
    right: 4px;
    width: 24px;
    height: 24px;
    background: rgba(0, 0, 0, 0.7);
    color: var(--color-white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ========================================
   Login Page
   ======================================== */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-gray-100);
}

.login-container {
    width: 100%;
    max-width: 400px;
    padding: var(--spacing-lg);
}

.login-card {
    background: var(--color-white);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
}

.login-logo {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.login-logo h1 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-black);
}

.login-logo h1 span {
    color: var(--color-blue);
}

.login-logo p {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
}

/* ========================================
   Utilities
   ======================================== */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--color-gray-500); }
.text-success { color: var(--color-success); }
.text-danger { color: var(--color-danger); }
.text-warning { color: var(--color-warning); }
.text-primary { color: var(--color-blue); }

.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }

.d-flex { display: flex; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: var(--spacing-sm); }
.gap-2 { gap: var(--spacing-md); }

.hidden { display: none !important; }
.visible { display: block !important; }

/* ========================================
   Print Styles
   ======================================== */
@media print {
    .sidebar,
    .header,
    .btn,
    .no-print {
        display: none !important;
    }
    
    .main-content {
        margin-left: 0 !important;
        padding-top: 0 !important;
    }
    
    .card {
        box-shadow: none;
        border: 1px solid #ddd;
    }
}

/* ========================================
   Mobile Responsive Styles
   ======================================== */

/* Tablet and below */
@media (max-width: 1024px) {
    .stat-cards {
        grid-template-columns: repeat(3, 1fr) !important;
    }
    
    .filter-bar {
        flex-direction: column;
        align-items: stretch;
    }
    
    .filter-bar form {
        flex-wrap: wrap;
    }
    
    .filter-group select {
        width: 100% !important;
        min-width: 150px;
    }
}

/* Mobile landscape */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        z-index: 1000;
        width: 250px;
    }
    
    .sidebar.mobile-open {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0 !important;
        padding-top: 60px !important;
    }
    
    .header {
        left: 0 !important;
        height: 60px !important;
        padding: 0 0.5rem !important;
    }
    
    /* Page header */
    .page-header {
        margin-bottom: 0.75rem;
    }
    
    .page-header h1 {
        font-size: 1.125rem;
    }
    
    /* Stat cards - 2 columns on mobile */
    .stat-cards {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 0.5rem;
    }
    
    .stat-card {
        padding: 0.75rem;
    }
    
    .stat-card-value {
        font-size: 1.25rem;
    }
    
    .stat-card-label {
        font-size: 0.7rem;
    }
    
    /* Cards */
    .card {
        margin-bottom: 0.75rem;
        border-radius: 8px;
    }
    
    .card-header {
        padding: 0.75rem;
    }
    
    .card-body {
        padding: 0.75rem;
    }
    
    .card-title {
        font-size: 0.9rem;
    }
    
    /* Tables responsive */
    .table-container,
    .table-responsive {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        margin-bottom: 0.75rem;
    }
    
    table {
        min-width: 600px;
    }
    
    table th, table td {
        padding: 0.5rem;
        font-size: 0.8rem;
    }
    
    /* Filter bar mobile */
    .filter-bar {
        padding: 0.75rem;
        gap: 0.5rem;
        margin-bottom: 0.75rem;
    }
    
    .filter-group {
        width: 100%;
    }
    
    .filter-group select,
    .filter-group input {
        width: 100% !important;
    }
    
    .filter-label {
        font-size: 0.75rem;
    }
    
    /* Buttons */
    .btn {
        padding: 0.5rem 0.75rem;
        font-size: 0.8rem;
    }
    
    .btn-sm {
        padding: 0.375rem 0.5rem;
        font-size: 0.75rem;
    }
    
    .btn-outline {
        padding: 0.5rem 0.625rem;
    }
    
    /* Form elements */
    .form-control {
        padding: 0.5rem 0.75rem;
        font-size: 0.9rem;
    }
    
    .form-label {
        font-size: 0.8rem;
        margin-bottom: 0.25rem;
    }
    
    /* Progress bars */
    .progress-section {
        padding: 0.5rem 0;
    }
    
    /* Charts container */
    .chart-container {
        height: 250px !important;
    }
    
    /* Page title */
    .page-title {
        font-size: 1.125rem;
    }
    
    /* Hide less important columns on mobile */
    .hide-mobile {
        display: none !important;
    }
    
    /* Alert */
    .alert {
        padding: 0.625rem 0.75rem;
        font-size: 0.85rem;
        margin-bottom: 0.75rem;
    }
}

/* Mobile portrait */
@media (max-width: 480px) {
    .stat-cards {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 0.375rem;
    }
    
    .stat-card {
        padding: 0.5rem 0.625rem;
    }
    
    .stat-card-value {
        font-size: 1.125rem;
    }
    
    .stat-card-label {
        font-size: 0.65rem;
    }
    
    /* Page header */
    .page-header h1 {
        font-size: 1rem;
    }
    
    /* Cards */
    .card-header {
        padding: 0.625rem;
    }
    
    .card-body {
        padding: 0.625rem;
    }
    
    .card-title {
        font-size: 0.85rem;
    }
    
    /* Stack filter items */
    .filter-bar {
        padding: 0.625rem;
    }
    
    .filter-bar form {
        flex-direction: column;
        gap: 0.375rem;
    }
    
    /* Buttons */
    .btn {
        padding: 0.375rem 0.5rem;
        font-size: 0.75rem;
    }
    
    /* Report buttons grid */
    .filter-bar > div:last-child {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 0.375rem;
        width: 100%;
    }
    
    .filter-bar > div:last-child .btn {
        width: 100%;
        font-size: 0.7rem;
        padding: 0.375rem 0.25rem;
    }
    
    /* Table font size */
    table th, table td {
        font-size: 0.7rem;
        padding: 0.375rem 0.5rem;
    }
    
    /* Smaller badges */
    .badge {
        font-size: 0.6rem;
        padding: 2px 6px;
    }
    
    /* Asset list items */
    .asset-item {
        padding: 0.5rem;
    }
    
    .asset-id {
        font-size: 0.85rem;
    }
    
    .asset-name {
        font-size: 0.75rem;
    }
    
    /* Login page */
    .login-container {
        padding: 0.75rem;
    }
    
    .login-card {
        padding: 1rem;
    }
    
    /* Form elements */
    .form-control {
        padding: 0.5rem;
        font-size: 0.85rem;
    }
    
    .form-label {
        font-size: 0.75rem;
    }
}

/* Ensure sidebar overlay on mobile */
@media (max-width: 768px) {
    .sidebar-overlay {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0,0,0,0.5);
        z-index: 999;
    }
    
    .sidebar-overlay.active {
        display: block;
    }
    
    /* Sidebar mobile open state */
    .sidebar.mobile-open {
        transform: translateX(0) !important;
    }
    
    /* Mobile menu toggle */
    .mobile-menu-toggle,
    .menu-toggle {
        display: flex !important;
        align-items: center;
        justify-content: center;
        width: 40px;
        height: 40px;
        background: var(--color-white);
        border: 1px solid var(--color-gray-200);
        border-radius: var(--border-radius);
        cursor: pointer;
    }
}

/* Hide menu toggle on desktop */
@media (min-width: 769px) {
    .menu-toggle {
        display: none;
    }
}