/**
 * Puskesmas Somambawa
 * Design System & Global Styles
 */

/* ============================================
   1. CSS VARIABLES - Color System
   ============================================ */
:root {
    /* Mint & White healthcare identity */
    --white: #FFFFFF;
    --mint: #A7E6D7;
    --deep-mint: #1A5247;
    --coral: #FF8A65;

    --primary: #1A5247;
    --primary-dark: #123E38;
    --primary-light: #A7E6D7;
    --green-soft: #E9F8F4;
    --green-bg: #F7FCFA;
    --background: #FFFFFF;
    --surface: #FFFFFF;
    --surface-alt: #F5FBF8;
    --text: #1A5247;
    --text-primary: #1A5247;
    --text-secondary: #4E6E67;
    --text-muted: #6B827D;
    --border: rgba(26, 82, 71, 0.12);
    --border-dark: rgba(26, 82, 71, 0.2);
    --shadow-light: rgba(26, 82, 71, 0.08);
    --shadow-medium: rgba(26, 82, 71, 0.12);
    --shadow-dark: rgba(26, 82, 71, 0.18);

    --primary-50: #F3FBF8;
    --primary-100: #E4F7F1;
    --primary-200: #CFEFE6;
    --primary-300: #B4E7D8;
    --primary-400: #93D8C5;
    --primary-500: #79CBB6;
    --primary-600: #55B39D;
    --primary-700: #2F8F7D;
    --primary-800: #1A5247;
    --primary-900: #123E38;

    /* Status Colors */
    --success: #6BBF9F;
    --success-light: #EAF9F3;
    --success-dark: #2E7665;

    --warning: #E7B77A;
    --warning-light: #FDF3E7;
    --warning-dark: #A46A2A;

    --danger: #E06B63;
    --danger-light: #FCEAE8;
    --danger-dark: #B44C46;

    --info: #7AA8A1;
    --info-light: #EEF8F7;
    --info-dark: #406A66;

    --secondary: #A7E6D7;
    --secondary-light: #DDF8F1;
    --secondary-dark: #74C7B4;
    
    /* Spacing Scale */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 12px;
    --spacing-lg: 16px;
    --spacing-xl: 24px;
    --spacing-2xl: 32px;
    --spacing-3xl: 48px;
    --spacing-4xl: 64px;
    
    /* Typography */
    --font-family-base: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', sans-serif;
    --font-family-heading: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    --font-size-xs: 12px;
    --font-size-sm: 14px;
    --font-size-base: 16px;
    --font-size-lg: 18px;
    --font-size-xl: 20px;
    --font-size-2xl: 24px;
    --font-size-3xl: 32px;
    --font-size-4xl: 40px;
    
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    
    --line-height-tight: 1.25;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.75;
    
    /* Shadows */
    --shadow-xs: 0 1px 2px var(--shadow-light);
    --shadow-sm: 0 1px 3px 0 var(--shadow-light), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px var(--shadow-light), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px var(--shadow-medium), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px var(--shadow-medium), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    
    /* Border Radius */
    --radius-xs: 2px;
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-2xl: 24px;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 250ms ease-in-out;
    --transition-slow: 350ms ease-in-out;
    
    /* Z-Index Scale */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal-backdrop: 400;
    --z-modal: 500;
    --z-popover: 600;
    --z-tooltip: 700;
    --z-notification: 800;
}

/* Dark mode support (future) */
@media (prefers-color-scheme: dark) {
    :root {
        --background: #0f172a;
        --surface: #1e293b;
        --surface-alt: #334155;
        --text-primary: #f1f5f9;
        --text-secondary: #cbd5e1;
        --text-muted: #94a3b8;
        --border: #475569;
        --border-dark: #334155;
    }
}

/* ============================================
   2. RESET & BASE STYLES
   ============================================ */

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

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

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

/* ============================================
   3. TYPOGRAPHY
   ============================================ */

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-family-heading);
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-tight);
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
}

h1 {
    font-size: var(--font-size-4xl);
}

h2 {
    font-size: var(--font-size-3xl);
}

h3 {
    font-size: var(--font-size-2xl);
}

h4 {
    font-size: var(--font-size-xl);
}

h5 {
    font-size: var(--font-size-lg);
}

h6 {
    font-size: var(--font-size-base);
}

p {
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
}

small {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}

strong {
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
}

/* ============================================
   4. LINKS
   ============================================ */

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

a:hover {
    color: var(--primary-light);
    text-decoration: underline;
}

a:focus {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
}

a:active {
    color: var(--primary-dark);
}

/* ============================================
   5. LISTS
   ============================================ */

ul, ol {
    margin-left: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

li {
    margin-bottom: var(--spacing-sm);
}

/* ============================================
   6. IMAGES & MEDIA
   ============================================ */

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

img[alt] {
    /* Ensure alt text is present */
}

svg {
    fill: currentColor;
}

/* ============================================
   7. BUTTONS
   ============================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    white-space: nowrap;
    user-select: none;
    outline: none;
}

.btn:focus {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

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

/* Primary Button */
.btn-primary {
    background-color: var(--primary);
    color: var(--white);
}

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

.btn-primary:active:not(:disabled) {
    background-color: var(--primary-900);
    transform: translateY(0);
}

/* Secondary Button */
.btn-secondary {
    background-color: var(--secondary);
    color: var(--deep-mint);
}

.btn-secondary:hover:not(:disabled) {
    background-color: var(--primary-200);
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

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

.btn-outline:hover:not(:disabled) {
    background-color: var(--primary-50);
}

/* Success Button */
.btn-success {
    background-color: var(--success);
    color: white;
}

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

/* Danger Button */
.btn-danger {
    background-color: var(--danger);
    color: white;
}

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

/* Small Button */
.btn-sm {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-sm);
}

/* Large Button */
.btn-lg {
    padding: var(--spacing-lg) var(--spacing-2xl);
    font-size: var(--font-size-lg);
}

/* Full Width Button */
.btn-block {
    width: 100%;
}

/* Icon Button */
.btn-icon {
    padding: var(--spacing-md);
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    background-color: var(--surface-alt);
    color: var(--text-primary);
}

.btn-icon:hover {
    background-color: var(--border);
}

/* ============================================
   8. FORMS
   ============================================ */

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

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

label .required {
    color: var(--danger);
    margin-left: 2px;
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="date"],
input[type="time"],
input[type="tel"],
textarea,
select {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: var(--font-size-base);
    border: 2px solid var(--primary-200);
    border-radius: var(--radius-md);
    background-color: var(--white);
    color: var(--text-primary);
    transition: all var(--transition-fast);
    font-family: var(--font-family-base);
}

input:focus,
textarea:focus,
select:focus {
    border-color: var(--primary);
    background-color: var(--white);
    box-shadow: 0 0 0 3px rgba(167, 230, 215, 0.45);
    outline: none;
}

input:disabled,
textarea:disabled,
select:disabled {
    background-color: var(--surface-alt);
    color: var(--text-muted);
    cursor: not-allowed;
}

input::placeholder,
textarea::placeholder {
    color: var(--text-muted);
}

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

/* Input with icon styling */
.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.input-wrapper input {
    width: 100%;
    padding-right: var(--spacing-3xl);
}

.input-wrapper .input-icon {
    position: absolute;
    right: var(--spacing-lg);
    pointer-events: none;
    color: var(--text-muted);
}

/* Form Error & Success States */
.form-group.error input,
.form-group.error textarea,
.form-group.error select {
    border-color: var(--danger);
    background-color: rgba(220, 38, 38, 0.02);
}

.form-group.success input,
.form-group.success textarea,
.form-group.success select {
    border-color: var(--success);
    background-color: rgba(22, 163, 74, 0.02);
}

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

.form-success {
    display: block;
    margin-top: var(--spacing-sm);
    font-size: var(--font-size-sm);
    color: var(--success);
}

.form-hint {
    display: block;
    margin-top: var(--spacing-sm);
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}

/* ============================================
   9. CARDS
   ============================================ */

.card {
    background-color: var(--surface);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(26, 82, 71, 0.10);
    box-shadow: 0 8px 20px rgba(26, 82, 71, 0.04);
    overflow: hidden;
    transition: all var(--transition-base);
}

.card:hover {
    box-shadow: 0 12px 28px rgba(26, 82, 71, 0.08);
    transform: translateY(-2px);
}

.card-header {
    padding: var(--spacing-xl);
    border-bottom: 1px solid rgba(26, 82, 71, 0.10);
    background-color: var(--surface-alt);
}

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

.card-footer {
    padding: var(--spacing-lg) var(--spacing-xl);
    border-top: 1px solid var(--border);
    background-color: var(--surface-alt);
}

/* Stat Card */
.stat-card {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-lg);
}

.stat-card-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    background-color: var(--primary-50);
    color: var(--primary);
    font-size: 24px;
    flex-shrink: 0;
}

.stat-card-content {
    flex: 1;
}

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

.stat-card-value {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.stat-card-trend {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
}

.stat-card-trend.positive {
    color: var(--success);
}

.stat-card-trend.negative {
    color: var(--danger);
}

/* ============================================
   10. TABLES
   ============================================ */

.table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--surface);
}

.table th {
    padding: var(--spacing-lg);
    background-color: var(--surface-alt);
    font-weight: var(--font-weight-semibold);
    text-align: left;
    font-size: var(--font-size-sm);
    color: var(--text-primary);
    border-bottom: 2px solid var(--border);
}

.table td {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border);
    font-size: var(--font-size-sm);
}

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

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

/* ============================================
   11. BADGES & LABELS
   ============================================ */

.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-primary {
    background-color: var(--primary-100);
    color: var(--primary);
}

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

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

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

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

/* ============================================
   12. ALERTS & NOTIFICATIONS
   ============================================ */

.alert {
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    border-left: 4px solid;
    margin-bottom: var(--spacing-lg);
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
}

.alert-success {
    background-color: rgba(22, 163, 74, 0.05);
    border-color: var(--success);
    color: var(--success-dark);
}

.alert-error {
    background-color: rgba(220, 38, 38, 0.05);
    border-color: var(--danger);
    color: var(--danger-dark);
}

.alert-warning {
    background-color: rgba(245, 158, 11, 0.05);
    border-color: var(--warning);
    color: var(--warning-dark);
}

.alert-info {
    background-color: rgba(2, 132, 199, 0.05);
    border-color: var(--info);
    color: var(--info-dark);
}

.alert-icon {
    font-size: 18px;
    flex-shrink: 0;
    margin-top: 2px;
}

.alert-content {
    flex: 1;
}

.alert-title {
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-xs);
}

.alert-description {
    font-size: var(--font-size-sm);
    line-height: var(--line-height-relaxed);
}

/* ============================================
   13. MODALS & OVERLAYS
   ============================================ */

.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: var(--z-modal-backdrop);
    animation: fadeIn var(--transition-base);
}

.modal-backdrop.show {
    display: flex;
}

.modal {
    background-color: var(--surface);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-2xl);
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    z-index: var(--z-modal);
    animation: slideUp var(--transition-base);
}

.modal.modal-lg {
    max-width: 700px;
}

.modal.modal-xl {
    max-width: 900px;
}

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

.modal-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    font-size: 24px;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color var(--transition-fast);
}

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

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

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

/* ============================================
   14. PAGINATION
   ============================================ */

.pagination {
    display: flex;
    gap: var(--spacing-xs);
    align-items: center;
    justify-content: center;
    margin-top: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.pagination-item {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background-color: var(--surface);
    color: var(--text-primary);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
}

.pagination-item:hover:not(.disabled) {
    border-color: var(--primary);
    color: var(--primary);
}

.pagination-item.active {
    background-color: var(--primary);
    color: white;
    border-color: var(--primary);
}

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

/* ============================================
   15. EMPTY STATE & LOADING
   ============================================ */

.empty-state {
    text-align: center;
    padding: var(--spacing-3xl) var(--spacing-lg);
}

.empty-state-icon {
    font-size: 64px;
    opacity: 0.3;
    margin-bottom: var(--spacing-lg);
}

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

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

/* Loading Spinner */
.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.spinner-lg {
    width: 40px;
    height: 40px;
}

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

/* Skeleton Loading */
.skeleton {
    background: linear-gradient(
        90deg,
        var(--surface-alt) 25%,
        var(--border) 50%,
        var(--surface-alt) 75%
    );
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
}

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

/* ============================================
   16. UTILITY CLASSES
   ============================================ */

/* Display & Visibility */
.d-none {
    display: none !important;
}

.d-block {
    display: block !important;
}

.d-flex {
    display: flex !important;
}

.d-grid {
    display: grid !important;
}

.d-inline {
    display: inline !important;
}

.d-inline-block {
    display: inline-block !important;
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* Flexbox */
.flex-center {
    display: flex;
    align-items: center;
    justify-content: center;
}

.flex-between {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.flex-start {
    display: flex;
    align-items: center;
    justify-content: flex-start;
}

.flex-end {
    display: flex;
    align-items: center;
    justify-content: flex-end;
}

.gap-xs { gap: var(--spacing-xs); }
.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }
.gap-lg { gap: var(--spacing-lg); }
.gap-xl { gap: var(--spacing-xl); }
.gap-2xl { gap: var(--spacing-2xl); }

/* Margin & Padding Utilities */
.m-0 { margin: 0; }
.m-auto { margin: auto; }
.mt-xs { margin-top: var(--spacing-xs); }
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }
.mt-2xl { margin-top: var(--spacing-2xl); }

.mb-xs { margin-bottom: var(--spacing-xs); }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }
.mb-2xl { margin-bottom: var(--spacing-2xl); }

.p-0 { padding: 0; }
.p-xs { padding: var(--spacing-xs); }
.p-sm { padding: var(--spacing-sm); }
.p-md { padding: var(--spacing-md); }
.p-lg { padding: var(--spacing-lg); }
.p-xl { padding: var(--spacing-xl); }
.p-2xl { padding: var(--spacing-2xl); }

/* Text Alignment & Transform */
.text-left { text-align: left; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-justify { text-align: justify; }

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

.text-uppercase { text-transform: uppercase; }
.text-lowercase { text-transform: lowercase; }
.text-capitalize { text-transform: capitalize; }

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

/* Background Colors */
.bg-primary { background-color: var(--primary); color: white; }
.bg-secondary { background-color: var(--secondary); color: white; }
.bg-success { background-color: var(--success); color: white; }
.bg-danger { background-color: var(--danger); color: white; }
.bg-warning { background-color: var(--warning); color: var(--text-primary); }
.bg-info { background-color: var(--info); color: white; }
.bg-surface { background-color: var(--surface); }
.bg-surface-alt { background-color: var(--surface-alt); }

/* Opacity */
.opacity-50 { opacity: 0.5; }
.opacity-75 { opacity: 0.75; }

/* Overflow */
.overflow-hidden { overflow: hidden; }
.overflow-auto { overflow: auto; }
.text-truncate {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Width & Height */
.w-full { width: 100%; }
.h-full { height: 100%; }
.w-auto { width: auto; }
.h-auto { height: auto; }

/* Cursor */
.cursor-pointer { cursor: pointer; }
.cursor-default { cursor: default; }
.cursor-not-allowed { cursor: not-allowed; }

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

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade { animation: fadeIn var(--transition-base); }
.animate-slide-up { animation: slideUp var(--transition-base); }
.animate-slide-down { animation: slideDown var(--transition-base); }

/* ============================================
   17. RESPONSIVE UTILITIES
   ============================================ */

/* Mobile First Breakpoints */
@media (max-width: 480px) {
    html { font-size: 14px; }
    
    .d-md-none { display: none !important; }
    .d-md-block { display: block !important; }
    .d-md-flex { display: flex !important; }
    
    h1 { font-size: var(--font-size-2xl); }
    h2 { font-size: var(--font-size-xl); }
}

@media (min-width: 481px) and (max-width: 768px) {
    .d-tablet-none { display: none !important; }
    .d-tablet-block { display: block !important; }
}

@media (min-width: 769px) {
    .d-desktop-none { display: none !important; }
    .d-desktop-block { display: block !important; }
}

/* ============================================
   18. PRINT STYLES
   ============================================ */

@media print {
    * {
        box-shadow: none !important;
    }

    body {
        background-color: white;
        color: black;
    }

    .no-print {
        display: none !important;
    }

    a {
        text-decoration: underline;
        color: #0066cc;
    }

    button, .btn {
        display: none !important;
    }

    .modal-backdrop, .modal {
        display: none !important;
    }

    h1, h2, h3 {
        page-break-after: avoid;
        page-break-inside: avoid;
    }

    img {
        max-width: 100%;
        page-break-inside: avoid;
    }

    table {
        width: 100%;
        border-collapse: collapse;
    }

    tr {
        page-break-inside: avoid;
    }
}