/* ============================================
   UNDIAN BERHADIAH MODERN - DESIGN SYSTEM
   Theme: Orange, White, Black
   ============================================ */

/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700;800&display=swap');

/* ============================================
   CSS VARIABLES
   ============================================ */
:root {
    /* Colors */
    --color-primary: #FF5722;
    --color-primary-dark: #E64A19;
    --color-primary-light: #FF8A65;
    --color-primary-bg: #FBE9E7;

    --color-white: #FFFFFF;
    --color-black: #212121;
    --color-surface: #F5F5F5;
    --color-surface-alt: #EEEEEE;

    --color-text-primary: #212121;
    --color-text-secondary: #757575;
    --color-text-disabled: #9E9E9E;
    --color-text-inverse: #FFFFFF;

    --color-success: #4CAF50;
    --color-success-bg: #E8F5E9;
    --color-warning: #FFC107;
    --color-warning-bg: #FFF8E1;
    --color-error: #F44336;
    --color-error-bg: #FFEBEE;
    --color-info: #2196F3;
    --color-info-bg: #E3F2FD;

    --color-border: #E0E0E0;
    --color-divider: #BDBDBD;

    /* Typography */
    --font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', 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;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;

    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);
    --shadow-glow: 0 0 20px rgba(255, 87, 34, 0.3);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;

    /* Z-Index */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-modal-backdrop: 300;
    --z-modal: 400;
    --z-toast: 500;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    font-weight: 400;
    line-height: 1.6;
    color: var(--color-text-primary);
    background-color: var(--color-surface);
    min-height: 100vh;
}

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

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

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

/* ============================================
   TYPOGRAPHY
   ============================================ */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 600;
    line-height: 1.3;
    color: var(--color-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);
}

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

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

.text-base {
    font-size: var(--font-size-base);
}

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

.text-xl {
    font-size: var(--font-size-xl);
}

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

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

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

.text-5xl {
    font-size: var(--font-size-5xl);
}

.font-light {
    font-weight: 300;
}

.font-normal {
    font-weight: 400;
}

.font-medium {
    font-weight: 500;
}

.font-semibold {
    font-weight: 600;
}

.font-bold {
    font-weight: 700;
}

.font-extrabold {
    font-weight: 800;
}

.text-center {
    text-align: center;
}

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

.text-right {
    text-align: right;
}

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

.text-secondary {
    color: var(--color-text-secondary);
}

.text-success {
    color: var(--color-success);
}

.text-warning {
    color: var(--color-warning);
}

.text-error {
    color: var(--color-error);
}

.text-white {
    color: var(--color-white);
}

/* ============================================
   LAYOUT
   ============================================ */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.container-sm {
    max-width: 640px;
}

.container-md {
    max-width: 768px;
}

.container-lg {
    max-width: 1024px;
}

.container-xl {
    max-width: 1280px;
}

/* Flexbox */
.flex {
    display: flex;
}

.flex-col {
    flex-direction: column;
}

.flex-wrap {
    flex-wrap: wrap;
}

.items-center {
    align-items: center;
}

.items-start {
    align-items: flex-start;
}

.items-end {
    align-items: flex-end;
}

.justify-center {
    justify-content: center;
}

.justify-between {
    justify-content: space-between;
}

.justify-end {
    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);
}

.flex-1 {
    flex: 1;
}

/* Grid */
.grid {
    display: grid;
}

.grid-cols-1 {
    grid-template-columns: repeat(1, 1fr);
}

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

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

.grid-cols-4 {
    grid-template-columns: repeat(4, 1fr);
}

/* Spacing */
.m-0 {
    margin: 0;
}

.m-auto {
    margin: auto;
}

.mx-auto {
    margin-left: auto;
    margin-right: auto;
}

.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-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);
}

.p-0 {
    padding: 0;
}

.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);
}

.px-md {
    padding-left: var(--spacing-md);
    padding-right: var(--spacing-md);
}

.py-md {
    padding-top: var(--spacing-md);
    padding-bottom: var(--spacing-md);
}

.py-lg {
    padding-top: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
}

.py-xl {
    padding-top: var(--spacing-xl);
    padding-bottom: var(--spacing-xl);
}

.py-2xl {
    padding-top: var(--spacing-2xl);
    padding-bottom: var(--spacing-2xl);
}

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

.h-full {
    height: 100%;
}

.min-h-screen {
    min-height: 100vh;
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 0.75rem 1.5rem;
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    font-weight: 500;
    line-height: 1;
    text-align: center;
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
}

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

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

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

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

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

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

.btn-dark:hover:not(:disabled) {
    background-color: #333;
}

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

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

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

.btn-lg {
    padding: 1rem 2rem;
    font-size: var(--font-size-lg);
}

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

.btn-icon {
    padding: 0.75rem;
    border-radius: var(--radius-full);
}

/* ============================================
   CARDS
   ============================================ */
.card {
    background-color: var(--color-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition: all var(--transition-base);
}

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

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

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

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

/* Stat Cards */
.stat-card {
    background: linear-gradient(135deg, var(--color-white) 0%, var(--color-surface) 100%);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    border-left: 4px solid var(--color-primary);
    transition: all var(--transition-base);
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.stat-card.primary {
    border-left-color: var(--color-primary);
}

.stat-card.success {
    border-left-color: var(--color-success);
}

.stat-card.warning {
    border-left-color: var(--color-warning);
}

.stat-card.info {
    border-left-color: var(--color-info);
}

.stat-value {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--color-text-primary);
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-top: var(--spacing-xs);
}

/* Voucher Cards */
.voucher-card {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    color: var(--color-white);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.voucher-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.voucher-card.sedang {
    background: linear-gradient(135deg, #424242 0%, #212121 100%);
}

.voucher-type {
    font-size: var(--font-size-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    opacity: 0.9;
}

.voucher-code {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-top: var(--spacing-md);
    font-family: 'Courier New', monospace;
    letter-spacing: 1px;
    word-break: break-all;
}

.voucher-status {
    display: inline-block;
    margin-top: var(--spacing-md);
    padding: 0.25rem 0.75rem;
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 600;
}

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

.form-label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
    color: var(--color-text-primary);
}

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

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    color: var(--color-text-primary);
    background-color: var(--color-white);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: all 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-bg);
}

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

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

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

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

.form-textarea {
    min-height: 120px;
    resize: vertical;
}

/* Input with icon */
.input-group {
    position: relative;
}

.input-group .form-input {
    padding-left: 2.75rem;
}

.input-icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-secondary);
}

/* ============================================
   TABLES
   ============================================ */
.table-container {
    overflow-x: auto;
    background-color: var(--color-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
}

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

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

.table th {
    background-color: var(--color-surface);
    font-weight: 600;
    color: var(--color-text-primary);
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

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

.table tbody tr:last-child td {
    border-bottom: none;
}

/* ============================================
   BADGES & TAGS
   ============================================ */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    font-size: var(--font-size-xs);
    font-weight: 600;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

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

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

.badge-warning {
    background-color: var(--color-warning-bg);
    color: #F57C00;
}

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

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

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

/* ============================================
   MODALS
   ============================================ */
.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    z-index: var(--z-modal-backdrop);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

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

.modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.9);
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    background-color: var(--color-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    z-index: var(--z-modal);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    overflow: hidden;
}

.modal.active {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, -50%) scale(1);
}

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

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

.modal-close {
    background: none;
    border: none;
    font-size: var(--font-size-2xl);
    color: var(--color-text-secondary);
    cursor: pointer;
    padding: 0;
    line-height: 1;
}

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

.modal-body {
    padding: var(--spacing-lg);
    overflow-y: auto;
    max-height: calc(90vh - 140px);
}

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

/* ============================================
   NAVIGATION & HEADER
   ============================================ */
.header {
    background-color: var(--color-white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-primary);
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 800;
}

.nav {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.nav-link {
    color: var(--color-text-secondary);
    font-weight: 500;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-primary);
    background-color: var(--color-primary-bg);
}

/* Sidebar Navigation */
.sidebar {
    width: 260px;
    background-color: var(--color-white);
    border-right: 1px solid var(--color-border);
    height: 100vh;
    position: fixed;
    left: 0;
    top: 0;
    display: flex;
    flex-direction: column;
}

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

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

.sidebar-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    color: var(--color-text-secondary);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-xs);
    transition: all var(--transition-fast);
}

.sidebar-link:hover {
    background-color: var(--color-surface);
    color: var(--color-text-primary);
}

.sidebar-link.active {
    background-color: var(--color-primary-bg);
    color: var(--color-primary);
    font-weight: 500;
}

.sidebar-link svg {
    width: 20px;
    height: 20px;
}

.main-content {
    margin-left: 260px;
    padding: var(--spacing-xl);
    min-height: 100vh;
}

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

.alert-success {
    background-color: var(--color-success-bg);
    border: 1px solid var(--color-success);
    color: #1B5E20;
}

.alert-warning {
    background-color: var(--color-warning-bg);
    border: 1px solid var(--color-warning);
    color: #E65100;
}

.alert-error {
    background-color: var(--color-error-bg);
    border: 1px solid var(--color-error);
    color: #B71C1C;
}

.alert-info {
    background-color: var(--color-info-bg);
    border: 1px solid var(--color-info);
    color: #0D47A1;
}

/* Toast Notifications */
.toast-container {
    position: fixed;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    z-index: var(--z-toast);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.toast {
    padding: var(--spacing-md) var(--spacing-lg);
    background-color: var(--color-black);
    color: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    animation: slideIn 0.3s ease;
    max-width: 400px;
}

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

.toast.error {
    background-color: var(--color-error);
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }

    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
    padding: var(--spacing-3xl) 0;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -100px;
    right: -100px;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -150px;
    left: -100px;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(0, 0, 0, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.hero-title {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.hero-subtitle {
    font-size: var(--font-size-lg);
    opacity: 0.9;
    margin-bottom: var(--spacing-xl);
}

/* ============================================
   EMPTY STATES
   ============================================ */
.empty-state {
    text-align: center;
    padding: var(--spacing-3xl);
    color: var(--color-text-secondary);
}

.empty-state svg {
    width: 80px;
    height: 80px;
    margin-bottom: var(--spacing-lg);
    opacity: 0.5;
}

.empty-state h3 {
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-sm);
}

/* ============================================
   LOADING STATES
   ============================================ */
.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

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

/* ============================================
   UTILITIES
   ============================================ */
.hidden {
    display: none !important;
}

.visible {
    visibility: visible;
}

.invisible {
    visibility: hidden;
}

.opacity-50 {
    opacity: 0.5;
}

.opacity-75 {
    opacity: 0.75;
}

.rounded {
    border-radius: var(--radius-md);
}

.rounded-lg {
    border-radius: var(--radius-lg);
}

.rounded-xl {
    border-radius: var(--radius-xl);
}

.rounded-full {
    border-radius: var(--radius-full);
}

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

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

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

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

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

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

.border {
    border: 1px solid var(--color-border);
}

.border-t {
    border-top: 1px solid var(--color-border);
}

.border-b {
    border-bottom: 1px solid var(--color-border);
}

.cursor-pointer {
    cursor: pointer;
}

.select-none {
    user-select: none;
}

.truncate {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ============================================
   PRINT STYLES - THERMAL 58mm & 80mm
   Professional Receipt Template
   ============================================ */
@media print {

    /* Page setup - remove browser default margins */
    @page {
        size: 80mm auto;
        margin: 0;
    }

    /* Hide everything except print area */
    html,
    body {
        margin: 0 !important;
        padding: 0 !important;
        background: #fff !important;
    }

    body>*:not(#print-area) {
        display: none !important;
    }

    /* === PRINT AREA CONTAINER === */
    #print-area {
        display: block !important;
        position: static !important;
        width: 80mm;
        max-width: 80mm;
        margin: 0 auto;
        padding: 3mm;
        font-family: 'Courier New', Courier, monospace;
        font-size: 11px;
        line-height: 1.4;
        color: #000 !important;
        background: #fff !important;
        -webkit-print-color-adjust: exact !important;
        print-color-adjust: exact !important;
    }

    #print-area * {
        visibility: visible !important;
        -webkit-print-color-adjust: exact !important;
        print-color-adjust: exact !important;
    }

    /* === STRUK CONTAINER === */
    .struk-container {
        width: 100%;
        padding: 2mm 0;
    }

    /* === HEADER TOKO === */
    .struk-header {
        text-align: center;
        margin-bottom: 3mm;
    }

    .toko-name {
        font-size: 14px;
        font-weight: bold;
        text-transform: uppercase;
        letter-spacing: 1px;
    }

    .toko-tagline {
        font-size: 9px;
        margin-top: 1mm;
    }

    /* === GARIS DIVIDER === */
    .garis-lurus {
        border-bottom: 1px solid #000;
        margin: 3mm 0;
        width: 100%;
    }

    .garis-putus {
        border-bottom: 1px dashed #000;
        margin: 3mm 0;
        width: 100%;
    }

    .garis-putus-mini {
        border-bottom: 1px dashed #000;
        margin: 2mm 0;
        width: 100%;
    }

    /* === ITEM ROW (Flexbox untuk rata kiri-kanan) === */
    .item-row {
        display: flex !important;
        justify-content: space-between;
        font-size: 11px;
        margin-bottom: 1.5mm;
    }

    .item-row.bold {
        font-weight: bold;
    }

    .item-row span:first-child {
        text-align: left;
    }

    .item-row span:last-child {
        text-align: right;
    }

    /* === KOTAK KUPON (Bordered Box) === */
    .kotak-kupon {
        border: 2px solid #000;
        padding: 3mm;
        margin: 4mm 0;
        text-align: center;
    }

    .kupon-label {
        font-size: 10px;
        font-weight: bold;
        letter-spacing: 1px;
    }

    .kupon-code {
        font-size: 16px;
        font-weight: bold;
        letter-spacing: 2px;
        margin: 2mm 0;
        word-break: break-all;
    }

    .kupon-note {
        font-size: 8px;
        margin-top: 2mm;
    }

    /* === QR CODE SECTION === */
    .qr-section {
        text-align: center;
        margin: 4mm 0;
    }

    .qr-section img {
        display: block !important;
        width: 35mm;
        height: 35mm;
        margin: 0 auto;
    }

    .qr-hint {
        font-size: 9px;
        margin-top: 2mm;
    }

    /* === FOOTER === */
    .struk-footer {
        text-align: center;
        font-size: 10px;
        margin-top: 3mm;
    }

    .footer-luck {
        font-weight: bold;
        margin-top: 1mm;
    }

    /* === LEGACY SUPPORT === */
    .print-header {
        text-align: center;
        border-bottom: 1px dashed #000;
        padding-bottom: 3mm;
        margin-bottom: 3mm;
    }

    .print-divider {
        border-top: 1px dashed #000;
        margin: 3mm 0;
    }

    .print-code {
        text-align: center;
        font-size: 14px;
        font-weight: bold;
        letter-spacing: 1px;
        margin: 3mm 0;
    }

    .print-qr {
        text-align: center;
        margin: 3mm 0;
    }

    .print-qr img {
        display: block !important;
        width: 35mm;
        height: 35mm;
        margin: 0 auto;
    }

    .print-footer {
        text-align: center;
        font-size: 10px;
        margin-top: 3mm;
    }

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

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-100%);
        transition: transform var(--transition-base);
        z-index: var(--z-modal);
    }

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

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

    .grid-cols-4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    html {
        font-size: 14px;
    }

    .container {
        padding: 0 var(--spacing-sm);
    }

    .hero-title {
        font-size: var(--font-size-3xl);
    }

    .grid-cols-3,
    .grid-cols-4 {
        grid-template-columns: repeat(1, 1fr);
    }

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

    .table-container {
        font-size: var(--font-size-sm);
    }

    .modal {
        width: 95%;
        max-height: 95vh;
    }

    .btn-lg {
        padding: 0.875rem 1.5rem;
        font-size: var(--font-size-base);
    }
}

@media (max-width: 480px) {
    .stat-card {
        padding: var(--spacing-md);
    }

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

    .header-inner {
        flex-wrap: wrap;
        gap: var(--spacing-sm);
    }

    .nav {
        width: 100%;
        justify-content: center;
    }
}

/* ============================================
   PRINT STYLES - THERMAL 58mm
   Fix: Stop Blank Page / Auto-cut Kertas
   ============================================ */
@media print {

    /* KUNCI: size auto + margin 0 = printer potong sesuai konten */
    @page {
        size: 58mm auto;
        margin: 0 !important;
        padding: 0 !important;
    }

    /* Reset TOTAL - hapus semua default browser */
    *,
    *::before,
    *::after {
        margin: 0 !important;
        padding: 0 !important;
        box-sizing: border-box !important;
    }

    /* HTML & BODY - KUNCI: height fit-content */
    html {
        width: 58mm !important;
        height: fit-content !important;
        max-height: fit-content !important;
        overflow: hidden !important;
        background: #fff !important;
    }

    body {
        width: 58mm !important;
        height: fit-content !important;
        max-height: fit-content !important;
        min-height: 0 !important;
        overflow: hidden !important;
        background: #fff !important;
        font-family: 'Courier New', monospace !important;
        font-size: 11px !important;
        color: #000 !important;
    }

    /* Hide SEMUA kecuali print-area */
    body>*:not(#print-area) {
        display: none !important;
        height: 0 !important;
        overflow: hidden !important;
    }

    /* === PRINT AREA - Tinggi sesuai konten === */
    #print-area {
        display: block !important;
        position: relative !important;
        width: 58mm !important;
        height: fit-content !important;
        max-height: fit-content !important;
        margin: 0 !important;
        padding: 0 !important;
        background: #fff !important;
        overflow: visible !important;
        page-break-inside: avoid !important;
        page-break-after: auto !important;
    }

    #print-area * {
        visibility: visible !important;
        font-family: 'Courier New', monospace !important;
        color: #000 !important;
    }

    /* === STRUK WRAPPER - Tinggi sesuai konten === */
    .struk-wrapper {
        width: 58mm !important;
        height: fit-content !important;
        max-height: fit-content !important;
        margin: 0 !important;
        padding: 0 0 3mm 0 !important;
        text-align: center !important;
        background: #fff !important;
        page-break-inside: avoid !important;
        page-break-after: auto !important;
        overflow: hidden !important;
    }

    /* === BLOK (setiap baris teks) === */
    .blok {
        display: block !important;
        margin-bottom: 1px !important;
        padding: 0 !important;
        text-align: center !important;
        height: auto !important;
    }

    /* === STYLE TEKS === */
    .tebal {
        font-weight: bold !important;
    }

    .besar {
        font-size: 14px !important;
        font-weight: 900 !important;
    }

    .kecil {
        font-size: 10px !important;
    }

    /* === SPACING (reduced) === */
    .jarak-atas {
        margin-top: 4px !important;
    }

    .jarak-bawah {
        margin-bottom: 4px !important;
    }

    /* === LINK URL (Word-wrap) === */
    .link-url {
        word-break: break-all !important;
        font-size: 9px !important;
        line-height: 1.1 !important;
    }

    /* === GARIS (Text -) === */
    .garis {
        font-weight: bold !important;
        white-space: nowrap !important;
        overflow: hidden !important;
        display: block !important;
        margin: 3px 0 !important;
        padding: 0 !important;
        letter-spacing: -1px !important;
        text-align: center !important;
        height: auto !important;
    }

    /* === GARIS GANDA (2 baris) === */
    .garis-ganda {
        line-height: 0.8 !important;
        margin: 3px 0 !important;
        padding: 0 !important;
        height: auto !important;
    }

    /* === HIDE NON-PRINT === */
    .no-print {
        display: none !important;
        height: 0 !important;
    }
}