/**
 * ZeeDrafts Design System
 * Centralized CSS Variables and Components
 * Version 1.0.6
 */

/* ============================================
   CSS VARIABLES (DESIGN TOKENS)
   ============================================ */

:root {
    /* Primary Colors - Professional Blue */
    --color-primary: #1e40af;
    --color-primary-hover: #1e3a8a;
    --color-primary-light: #dbeafe;
    
    /* Secondary Colors */
    --color-secondary: #475569;
    --color-secondary-hover: #334155;
    
    /* Background & Surface */
    --color-background: #f8fafc;
    --color-surface: #ffffff;
    --color-surface-hover: #f1f5f9;
    
    /* Borders */
    --color-border: #e2e8f0;
    --color-border-dark: #cbd5e1;
    
    /* Text Colors */
    --color-text: #1e293b;
    --color-text-secondary: #475569;
    --color-text-muted: #64748b;
    --color-text-light: #94a3b8;
    
    /* Status Colors */
    --color-success: #16a34a;
    --color-success-bg: #dcfce7;
    --color-success-border: #86efac;
    
    --color-warning: #ca8a04;
    --color-warning-bg: #fef9c3;
    --color-warning-border: #fde047;
    
    --color-danger: #dc2626;
    --color-danger-bg: #fee2e2;
    --color-danger-border: #fca5a5;
    
    --color-info: #0284c7;
    --color-info-bg: #e0f2fe;
    --color-info-border: #7dd3fc;
    
    /* Typography */
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    --font-family-mono: ui-monospace, SFMono-Regular, 'SF Mono', Menlo, Monaco, Consolas, monospace;
    
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    
    --font-normal: 400;
    --font-medium: 500;
    --font-semibold: 600;
    --font-bold: 700;
    
    --line-height: 1.5;
    --line-height-tight: 1.25;
    
    /* Spacing Scale */
    --spacing-0: 0;
    --spacing-1: 0.25rem;
    --spacing-2: 0.5rem;
    --spacing-3: 0.75rem;
    --spacing-4: 1rem;
    --spacing-5: 1.25rem;
    --spacing-6: 1.5rem;
    --spacing-8: 2rem;
    --spacing-10: 2.5rem;
    --spacing-12: 3rem;
    --spacing-16: 4rem;
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.375rem;
    --radius-lg: 0.5rem;
    --radius-xl: 0.75rem;
    --radius-full: 9999px;
    
    /* 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);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 200ms ease;
    --transition-slow: 300ms ease;
    
    /* Layout */
    --sidebar-width: 260px;
    --header-height: 64px;
    --container-max: 1400px;
}

/* ============================================
   RESET & BASE STYLES
   ============================================ */

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

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

body {
    font-family: var(--font-family);
    font-size: var(--text-base);
    line-height: var(--line-height);
    color: var(--color-text);
    background-color: var(--color-background);
}

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

a:hover {
    text-decoration: underline;
}

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

/* ============================================
   TYPOGRAPHY
   ============================================ */

h1, h2, h3, h4, h5, h6 {
    font-weight: var(--font-semibold);
    line-height: var(--line-height-tight);
    color: var(--color-text);
}

h1 { font-size: var(--text-3xl); }
h2 { font-size: var(--text-2xl); }
h3 { font-size: var(--text-xl); }
h4 { font-size: var(--text-lg); }
h5 { font-size: var(--text-base); }
h6 { font-size: var(--text-sm); }

.text-muted { color: var(--color-text-muted); }
.text-secondary { color: var(--color-text-secondary); }
.text-success { color: var(--color-success); }
.text-warning { color: var(--color-warning); }
.text-danger { color: var(--color-danger); }
.text-info { color: var(--color-info); }

.text-sm { font-size: var(--text-sm); }
.text-xs { font-size: var(--text-xs); }
.text-lg { font-size: var(--text-lg); }

.font-medium { font-weight: var(--font-medium); }
.font-semibold { font-weight: var(--font-semibold); }
.font-bold { font-weight: var(--font-bold); }

/* ============================================
   BUTTONS
   ============================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2);
    padding: var(--spacing-2) var(--spacing-4);
    font-family: var(--font-family);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    line-height: 1.5;
    text-decoration: none;
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

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

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

.btn-primary:hover:not(:disabled) {
    background-color: var(--color-primary-hover);
    text-decoration: none;
}

.btn-secondary {
    background-color: var(--color-secondary);
    color: #fff;
}

.btn-secondary:hover:not(:disabled) {
    background-color: var(--color-secondary-hover);
    text-decoration: none;
}

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

.btn-outline:hover:not(:disabled) {
    background-color: var(--color-surface-hover);
    text-decoration: none;
}

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

.btn-danger:hover:not(:disabled) {
    background-color: #b91c1c;
    text-decoration: none;
}

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

.btn-success:hover:not(:disabled) {
    background-color: #15803d;
    text-decoration: none;
}

.btn-sm {
    padding: var(--spacing-1) var(--spacing-3);
    font-size: var(--text-xs);
}

.btn-lg {
    padding: var(--spacing-3) var(--spacing-6);
    font-size: var(--text-base);
}

.btn-block {
    display: flex;
    width: 100%;
}

.btn-icon {
    padding: var(--spacing-2);
}

/* ============================================
   FORMS
   ============================================ */

.form-group {
    margin-bottom: var(--spacing-4);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-1);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--color-text);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: var(--spacing-2) var(--spacing-3);
    font-family: var(--font-family);
    font-size: var(--text-sm);
    line-height: 1.5;
    color: var(--color-text);
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

.form-input.is-invalid,
.form-select.is-invalid,
.form-textarea.is-invalid {
    border-color: var(--color-danger);
}

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

.form-input::placeholder {
    color: var(--color-text-light);
}

.form-error {
    margin-top: var(--spacing-1);
    font-size: var(--text-xs);
    color: var(--color-danger);
}

.form-hint {
    margin-top: var(--spacing-1);
    font-size: var(--text-xs);
    color: var(--color-text-muted);
}

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

.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
    background-position: right var(--spacing-2) center;
    background-repeat: no-repeat;
    background-size: 1.5em 1.5em;
    padding-right: var(--spacing-10);
}

.form-row {
    display: grid;
    gap: var(--spacing-4);
}

.form-row-2 {
    grid-template-columns: repeat(2, 1fr);
}

.form-row-3 {
    grid-template-columns: repeat(3, 1fr);
}

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

/* Prevent iOS zoom on input focus - must be 16px or larger */
@media screen and (max-width: 768px) {
    .form-input,
    .form-select,
    .form-textarea,
    input[type="text"],
    input[type="email"],
    input[type="password"],
    input[type="number"],
    input[type="tel"],
    input[type="date"],
    input[type="search"],
    select,
    textarea {
        font-size: 16px !important;
    }
}

/* ============================================
   ALERTS
   ============================================ */

.alert {
    padding: var(--spacing-3) var(--spacing-4);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    margin-bottom: var(--spacing-4);
}

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

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

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

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

/* ============================================
   BADGES
   ============================================ */

.badge {
    display: inline-flex;
    align-items: center;
    padding: var(--spacing-1) var(--spacing-2);
    font-size: var(--text-xs);
    font-weight: var(--font-medium);
    border-radius: var(--radius-full);
    white-space: nowrap;
}

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

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

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

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

.badge-secondary {
    background-color: var(--color-surface-hover);
    color: var(--color-text-secondary);
}

/* ============================================
   CARDS
   ============================================ */

.card {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
}

.card-header {
    padding: var(--spacing-4) var(--spacing-5);
    border-bottom: 1px solid var(--color-border);
}

.card-header h2,
.card-header h3 {
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
}

.card-body {
    padding: var(--spacing-5);
}

.card-footer {
    padding: var(--spacing-4) var(--spacing-5);
    border-top: 1px solid var(--color-border);
    background-color: var(--color-background);
}

/* ============================================
   TABLES
   ============================================ */

.table-container {
    overflow-x: auto;
}

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

.table th,
.table td {
    padding: var(--spacing-3) var(--spacing-4);
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}

.table th {
    font-weight: var(--font-medium);
    color: var(--color-text-secondary);
    background-color: var(--color-background);
    white-space: nowrap;
}

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

.table-actions {
    display: flex;
    gap: var(--spacing-2);
    align-items: center;
}

/* ============================================
   KPI CARDS (Dashboard)
   ============================================ */

.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-4);
}

.kpi-card {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-5);
}

.kpi-card-label {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-1);
}

.kpi-card-value {
    font-size: var(--text-2xl);
    font-weight: var(--font-bold);
    color: var(--color-text);
}

.kpi-card-change {
    font-size: var(--text-xs);
    margin-top: var(--spacing-1);
}

.kpi-card-change.positive {
    color: var(--color-success);
}

.kpi-card-change.negative {
    color: var(--color-danger);
}

/* ============================================
   PAGE HEADER
   ============================================ */

.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-6);
    flex-wrap: wrap;
    gap: var(--spacing-4);
}

.page-title {
    font-size: var(--text-2xl);
    font-weight: var(--font-bold);
}

.page-subtitle {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    margin-top: var(--spacing-1);
}

.page-actions {
    display: flex;
    gap: var(--spacing-2);
}

/* ============================================
   EMPTY STATE
   ============================================ */

.empty-state {
    text-align: center;
    padding: var(--spacing-12) var(--spacing-4);
}

.empty-state-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--spacing-4);
    color: var(--color-text-light);
}

.empty-state-title {
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
    margin-bottom: var(--spacing-2);
}

.empty-state-description {
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-4);
}

/* ============================================
   LOADING STATE
   ============================================ */

.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid var(--color-border);
    border-radius: 50%;
    border-top-color: var(--color-primary);
    animation: spin 1s linear infinite;
}

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

.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(255, 255, 255, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

/* ============================================
   PAGINATION
   ============================================ */

.pagination {
    display: flex;
    align-items: center;
    gap: var(--spacing-1);
    margin-top: var(--spacing-4);
}

.pagination-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
    padding: 0 var(--spacing-2);
    font-size: var(--text-sm);
    color: var(--color-text);
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    text-decoration: none;
    transition: all var(--transition-fast);
}

.pagination-btn:hover {
    background-color: var(--color-surface-hover);
    text-decoration: none;
}

.pagination-btn.active {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: #fff;
}

.pagination-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.pagination-info {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    margin-left: auto;
}

/* ============================================
   MODAL
   ============================================ */

.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-4);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

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

.modal {
    background-color: var(--color-surface);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow: auto;
    transform: scale(0.9);
    transition: transform var(--transition-normal);
}

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

.modal-header {
    padding: var(--spacing-4) var(--spacing-5);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

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

.modal-close {
    background: none;
    border: none;
    font-size: var(--text-xl);
    color: var(--color-text-muted);
    cursor: pointer;
    padding: var(--spacing-1);
}

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

.modal-body {
    padding: var(--spacing-5);
}

.modal-footer {
    padding: var(--spacing-4) var(--spacing-5);
    border-top: 1px solid var(--color-border);
    display: flex;
    gap: var(--spacing-2);
    justify-content: flex-end;
}

/* ============================================
   SIDEBAR & LAYOUT
   ============================================ */

.app-layout {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: var(--sidebar-width);
    background-color: var(--color-surface);
    border-right: 1px solid var(--color-border);
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    overflow-y: auto;
    z-index: 100;
    transition: transform var(--transition-normal);
}

.sidebar-header {
    padding: var(--spacing-5);
    border-bottom: 1px solid var(--color-border);
}

.sidebar-logo {
    font-size: var(--text-xl);
    font-weight: var(--font-bold);
    color: var(--color-primary);
}

.sidebar-nav {
    padding: var(--spacing-3) 0;
}

.nav-section {
    margin-bottom: var(--spacing-2);
}

.nav-section-title {
    padding: var(--spacing-2) var(--spacing-5);
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    padding: var(--spacing-2) var(--spacing-5);
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    transition: all var(--transition-fast);
}

.nav-link:hover {
    color: var(--color-text);
    background-color: var(--color-surface-hover);
    text-decoration: none;
}

.nav-link.active {
    color: var(--color-primary);
    background-color: var(--color-primary-light);
}

.nav-link svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

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

.main-header {
    height: 71px;
    background-color: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: 0 var(--spacing-6);
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 50;
}

.main-header-left {
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
}

.main-header-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    padding: var(--spacing-2);
    cursor: pointer;
    color: var(--color-text);
}

.user-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
}

.user-menu-name {
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
}

.user-menu-business {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
}

.main-body {
    flex: 1;
    padding: var(--spacing-6);
}

/* Mobile Sidebar */
@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.open {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .menu-toggle {
        display: block;
    }
    
    .sidebar-overlay {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background-color: rgba(0, 0, 0, 0.5);
        z-index: 99;
        display: none;
    }
    
    .sidebar-overlay.active {
        display: block;
    }
}

/* ============================================
   UTILITIES
   ============================================ */

.mt-1 { margin-top: var(--spacing-1); }
.mt-2 { margin-top: var(--spacing-2); }
.mt-3 { margin-top: var(--spacing-3); }
.mt-4 { margin-top: var(--spacing-4); }
.mt-6 { margin-top: var(--spacing-6); }

.mb-1 { margin-bottom: var(--spacing-1); }
.mb-2 { margin-bottom: var(--spacing-2); }
.mb-3 { margin-bottom: var(--spacing-3); }
.mb-4 { margin-bottom: var(--spacing-4); }
.mb-6 { margin-bottom: var(--spacing-6); }

.flex { display: flex; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: var(--spacing-2); }
.gap-4 { gap: var(--spacing-4); }

.hidden { display: none !important; }

@media (max-width: 640px) {
    .sm\:hidden { display: none !important; }
}

/* ============================================
   MOBILE RESPONSIVE FIXES
   ============================================ */

/* Prevent horizontal overflow globally */
html {
    overflow-x: hidden;
}

body {
    overflow-x: hidden;
    min-width: 0;
}

.app-layout {
    overflow-x: hidden;
    max-width: 100vw;
}

.main-content {
    overflow-x: hidden;
    max-width: 100%;
}

.main-body {
    overflow-x: hidden;
    max-width: 100%;
}

/* Fix card overflow */
.card {
    overflow: hidden;
    max-width: 100%;
}

.card-body {
    overflow-x: auto;
}

/* Small screens - phones */
@media (max-width: 768px) {
    :root {
        --spacing-6: 1rem;
    }
    
    .main-body {
        padding: var(--spacing-4);
    }
    
    /* Page header responsive */
    .page-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-3);
    }
    
    .page-actions {
        width: 100%;
        flex-wrap: wrap;
    }
    
    .page-actions .btn {
        flex: 1;
        min-width: 100px;
        text-align: center;
    }
    
    .page-title {
        font-size: var(--text-xl);
    }
    
    /* KPI cards responsive */
    .kpi-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: var(--spacing-3);
    }
    
    .kpi-card {
        padding: var(--spacing-3);
    }
    
    .kpi-card-value {
        font-size: var(--text-lg);
    }
    
    /* Form rows stack on mobile */
    .form-row {
        flex-direction: column;
    }
    
    .form-row-2 > .form-group,
    .form-row-3 > .form-group {
        flex: 1 1 100%;
        max-width: 100%;
    }
    
    /* Tables responsive */
    .table-container {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        margin: 0 calc(var(--spacing-4) * -1);
        padding: 0 var(--spacing-4);
        max-width: calc(100% + var(--spacing-4) * 2);
    }
    
    .table {
        min-width: 500px;
        font-size: var(--text-xs);
    }
    
    .table th,
    .table td {
        padding: var(--spacing-2);
        font-size: var(--text-xs);
        white-space: nowrap;
    }
    
    .table td:first-child {
        white-space: normal;
        max-width: 120px;
    }
    
    /* Hide less important columns on mobile */
    .table .hide-sm {
        display: none;
    }
    
    /* Cards responsive */
    .card {
        margin-left: 0;
        margin-right: 0;
    }
    
    .card-header,
    .card-body,
    .card-footer {
        padding: var(--spacing-4);
    }
    
    /* Header responsive */
    .main-header {
        padding: 0 var(--spacing-4);
    }
    
    .main-header-right {
        gap: var(--spacing-2);
    }
    
    .user-menu {
        display: none;
    }
    
    /* Filters responsive */
    .filters {
        flex-direction: column;
    }
    
    .filters .form-input,
    .filters .form-select {
        width: 100%;
    }
    
    /* Fix inline form elements on mobile */
    .card-body form.flex {
        flex-direction: column;
        gap: var(--spacing-3);
    }
    
    .card-body form.flex .form-group {
        width: 100%;
    }
    
    .card-body form.flex .form-input,
    .card-body form.flex .form-select {
        width: 100% !important;
    }
    
    .card-body form.flex .btn {
        width: 100%;
    }
    
    /* Grid layouts responsive */
    [style*="grid-template-columns"] {
        grid-template-columns: 1fr !important;
    }
    
    /* Button groups */
    .btn-group {
        flex-wrap: wrap;
    }
    
    /* Stats inline */
    .stats-inline {
        flex-direction: column;
        gap: var(--spacing-2);
    }
}

/* Extra small screens */
@media (max-width: 480px) {
    .main-body {
        padding: var(--spacing-3);
    }
    
    .kpi-grid {
        grid-template-columns: 1fr !important;
    }
    
    .page-actions .btn {
        width: 100%;
        flex: 1 1 100%;
    }
    
    .table-actions {
        flex-direction: column;
        gap: var(--spacing-1);
    }
    
    .table-actions .btn {
        width: 100%;
    }
    
    /* Hide non-essential columns */
    .table .hide-mobile {
        display: none;
    }
}

/* ============================================
   PRINT STYLES
   ============================================ */

@media print {
    .sidebar,
    .main-header,
    .page-actions,
    .btn,
    .no-print {
        display: none !important;
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .main-body {
        padding: 0;
    }
    
    .card {
        border: none;
        box-shadow: none;
    }
}