/* ============================================
   NovaPay - Main Stylesheet
   Theme: Pink + White (Calm & Warm)
   ============================================ */

:root {
    --pink-50: #fdf2f8;
    --pink-100: #fce7f3;
    --pink-200: #fbcfe8;
    --pink-300: #f9a8d4;
    --pink-400: #f472b6;
    --pink-500: #ec4899;
    --pink-600: #db2777;
    --pink-700: #be185d;
    
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    
    --green-100: #dcfce7;
    --green-500: #22c55e;
    --green-600: #16a34a;
    --green-700: #15803d;
    
    --red-100: #fee2e2;
    --red-500: #ef4444;
    --red-600: #dc2626;
    
    --yellow-100: #fef9c3;
    --yellow-500: #eab308;
    --yellow-600: #ca8a04;
    
    --blue-100: #dbeafe;
    --blue-500: #3b82f6;
    --blue-600: #2563eb;
    
    --primary: var(--pink-500);
    --primary-dark: var(--pink-600);
    --primary-light: var(--pink-100);
    --primary-bg: var(--pink-50);
    
    --sidebar-width: 260px;
    --header-height: 64px;
    --radius: 12px;
    --radius-sm: 8px;
    --shadow: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.08), 0 2px 4px -1px rgba(0,0,0,0.04);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -2px rgba(0,0,0,0.03);
    --transition: all 0.2s ease;
}

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

html { scroll-behavior: smooth; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--gray-800);
    background: var(--gray-50);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a { text-decoration: none; color: inherit; }
img { max-width: 100%; height: auto; }

/* ============ TYPOGRAPHY ============ */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
    color: var(--gray-900);
}

h1 { font-size: 2rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.1rem; }

/* ============ UTILITIES ============ */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--gray-500); }
.text-pink { color: var(--primary); }
.text-green { color: var(--green-600); }
.text-red { color: var(--red-600); }
.text-sm { font-size: 0.875rem; }
.text-xs { font-size: 0.75rem; }
.text-lg { font-size: 1.125rem; }
.text-xl { font-size: 1.25rem; }
.text-2xl { font-size: 1.5rem; }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }
.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 0.75rem; }
.mt-4 { margin-top: 1rem; }
.mt-6 { margin-top: 1.5rem; }
.mt-8 { margin-top: 2rem; }
.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 0.75rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mb-8 { margin-bottom: 2rem; }
.mr-2 { margin-right: 0.5rem; }
.ml-2 { margin-left: 0.5rem; }
.p-4 { padding: 1rem; }
.p-6 { padding: 1.5rem; }
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 0.75rem; }
.gap-4 { gap: 1rem; }
.gap-6 { gap: 1.5rem; }
.grid { display: grid; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.w-full { width: 100%; }
.hidden { display: none; }

@media (max-width: 768px) {
    .grid-2, .grid-3, .grid-4 {
        grid-template-columns: 1fr;
    }
    .hide-mobile { display: none; }
}

/* ============ BUTTONS ============ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.btn-primary {
    background: var(--primary);
    color: white;
}
.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(236, 72, 153, 0.3);
}

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

.btn-white {
    background: white;
    color: var(--gray-700);
    border: 1px solid var(--gray-200);
}
.btn-white:hover {
    background: var(--gray-50);
    border-color: var(--gray-300);
}

.btn-danger {
    background: var(--red-500);
    color: white;
}
.btn-danger:hover {
    background: var(--red-600);
}

.btn-success {
    background: var(--green-500);
    color: white;
}
.btn-success:hover {
    background: var(--green-600);
}

.btn-sm {
    padding: 6px 14px;
    font-size: 0.8125rem;
}

.btn-lg {
    padding: 14px 32px;
    font-size: 1rem;
}

.btn-block { width: 100%; }

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}

/* ============ CARDS ============ */
.card {
    background: white;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--gray-100);
    overflow: hidden;
}

.card-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--gray-100);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-body {
    padding: 24px;
}

.card-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--gray-100);
    background: var(--gray-50);
}

/* ============ STAT CARDS ============ */
.stat-card {
    background: white;
    border-radius: var(--radius);
    padding: 24px;
    box-shadow: var(--shadow);
    border: 1px solid var(--gray-100);
    display: flex;
    align-items: flex-start;
    gap: 16px;
    transition: var(--transition);
}

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

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.stat-icon.pink { background: var(--pink-100); color: var(--pink-600); }
.stat-icon.green { background: var(--green-100); color: var(--green-600); }
.stat-icon.blue { background: var(--blue-100); color: var(--blue-600); }
.stat-icon.yellow { background: var(--yellow-100); color: var(--yellow-600); }

.stat-info h4 {
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--gray-500);
    margin-bottom: 4px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.stat-info .stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
}

/* ============ FORMS ============ */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 6px;
}

.form-control {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-family: inherit;
    color: var(--gray-800);
    background: white;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(236, 72, 153, 0.1);
}

.form-control::placeholder {
    color: var(--gray-400);
}

.form-hint {
    font-size: 0.75rem;
    color: var(--gray-500);
    margin-top: 4px;
}

.form-error {
    font-size: 0.75rem;
    color: var(--red-500);
    margin-top: 4px;
}

select.form-control {
    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 10px center;
    background-repeat: no-repeat;
    background-size: 20px;
    padding-right: 36px;
}

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

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

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

table th {
    text-align: left;
    padding: 12px 16px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--gray-500);
    background: var(--gray-50);
    border-bottom: 1px solid var(--gray-200);
}

table td {
    padding: 14px 16px;
    font-size: 0.875rem;
    border-bottom: 1px solid var(--gray-100);
    color: var(--gray-700);
}

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

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

/* ============ BADGES ============ */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
}

.badge-success {
    background: var(--green-100);
    color: var(--green-700);
}

.badge-warning {
    background: var(--yellow-100);
    color: var(--yellow-600);
}

.badge-danger {
    background: var(--red-100);
    color: var(--red-600);
}

.badge-info {
    background: var(--blue-100);
    color: var(--blue-600);
}

.badge-pink {
    background: var(--pink-100);
    color: var(--pink-600);
}

/* ============ ALERTS ============ */
.alert {
    padding: 14px 18px;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.alert-success {
    background: var(--green-100);
    color: var(--green-700);
    border: 1px solid #bbf7d0;
}

.alert-error {
    background: var(--red-100);
    color: var(--red-600);
    border: 1px solid #fecaca;
}

.alert-warning {
    background: var(--yellow-100);
    color: var(--yellow-600);
    border: 1px solid #fde68a;
}

.alert-info {
    background: var(--blue-100);
    color: var(--blue-600);
    border: 1px solid #bfdbfe;
}

/* ============ SIDEBAR LAYOUT ============ */
.app-layout {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: var(--sidebar-width);
    background: white;
    border-right: 1px solid var(--gray-200);
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 100;
    display: flex;
    flex-direction: column;
    transition: transform 0.3s ease;
}

.sidebar-brand {
    padding: 20px 24px;
    border-bottom: 1px solid var(--gray-100);
    display: flex;
    align-items: center;
    gap: 12px;
}

.sidebar-brand .logo {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--pink-400), var(--pink-600));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 800;
    font-size: 1.1rem;
}

.sidebar-brand h1 {
    font-size: 1.25rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--pink-500), var(--pink-700));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.sidebar-nav {
    flex: 1;
    padding: 16px 12px;
    overflow-y: auto;
}

.nav-section {
    margin-bottom: 8px;
}

.nav-section-title {
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--gray-400);
    padding: 8px 12px;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--gray-600);
    transition: var(--transition);
    margin-bottom: 2px;
}

.nav-link:hover {
    background: var(--pink-50);
    color: var(--pink-600);
}

.nav-link.active {
    background: var(--pink-50);
    color: var(--pink-600);
    font-weight: 600;
}

.nav-link .nav-icon {
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.sidebar-footer {
    padding: 16px;
    border-top: 1px solid var(--gray-100);
}

.sidebar-user {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px;
    border-radius: var(--radius-sm);
}

.sidebar-user .avatar {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--pink-300), var(--pink-500));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 0.875rem;
    flex-shrink: 0;
}

.sidebar-user .user-info {
    flex: 1;
    min-width: 0;
}

.sidebar-user .user-name {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gray-800);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sidebar-user .user-email {
    font-size: 0.75rem;
    color: var(--gray-500);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ============ MAIN CONTENT ============ */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    min-height: 100vh;
}

.topbar {
    height: var(--header-height);
    background: white;
    border-bottom: 1px solid var(--gray-200);
    padding: 0 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 50;
}

.topbar-left {
    display: flex;
    align-items: center;
    gap: 16px;
}

.topbar-left h2 {
    font-size: 1.125rem;
    font-weight: 700;
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    color: var(--gray-600);
}

.content-area {
    padding: 32px;
}

/* ============ MOBILE ============ */
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.4);
    z-index: 99;
}

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }
    .sidebar.open {
        transform: translateX(0);
    }
    .sidebar-overlay.show {
        display: block;
    }
    .main-content {
        margin-left: 0;
    }
    .menu-toggle {
        display: flex;
    }
    .content-area {
        padding: 20px 16px;
    }
    .topbar {
        padding: 0 16px;
    }
}

/* ============ LANDING PAGE ============ */
.landing-nav {
    background: white;
    border-bottom: 1px solid var(--gray-100);
    padding: 0 32px;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 100;
}

.landing-nav .brand {
    display: flex;
    align-items: center;
    gap: 10px;
}

.landing-nav .brand .logo {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--pink-400), var(--pink-600));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 800;
    font-size: 1.2rem;
}

.landing-nav .brand h1 {
    font-size: 1.4rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--pink-500), var(--pink-700));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.landing-nav .nav-links {
    display: flex;
    align-items: center;
    gap: 8px;
}

.hero {
    padding: 80px 0 60px;
    text-align: center;
    background: linear-gradient(180deg, white 0%, var(--pink-50) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -100px;
    right: -100px;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(236,72,153,0.06) 0%, transparent 70%);
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -80px;
    left: -80px;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(236,72,153,0.04) 0%, transparent 70%);
}

.hero h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 20px;
    line-height: 1.2;
    position: relative;
}

.hero h1 span {
    background: linear-gradient(135deg, var(--pink-500), var(--pink-700));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 1.15rem;
    color: var(--gray-500);
    max-width: 600px;
    margin: 0 auto 40px;
    position: relative;
}

.hero-buttons {
    display: flex;
    gap: 12px;
    justify-content: center;
    position: relative;
}

.features {
    padding: 80px 0;
    background: white;
}

.features h2 {
    text-align: center;
    margin-bottom: 16px;
    font-size: 2rem;
}

.features .subtitle {
    text-align: center;
    color: var(--gray-500);
    margin-bottom: 60px;
    font-size: 1.05rem;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.feature-card {
    padding: 32px;
    border-radius: var(--radius);
    border: 1px solid var(--gray-100);
    transition: var(--transition);
    text-align: center;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--pink-200);
}

.feature-icon {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 20px;
    background: var(--pink-50);
    color: var(--pink-600);
}

.feature-card h3 {
    font-size: 1.1rem;
    margin-bottom: 10px;
}

.feature-card p {
    color: var(--gray-500);
    font-size: 0.9rem;
    line-height: 1.6;
}

.landing-footer {
    padding: 40px 0;
    background: var(--gray-50);
    border-top: 1px solid var(--gray-100);
    text-align: center;
    color: var(--gray-500);
    font-size: 0.875rem;
}

@media (max-width: 768px) {
    .hero h1 { font-size: 2rem; }
    .hero p { font-size: 1rem; }
    .hero-buttons { flex-direction: column; align-items: center; }
    .feature-grid { grid-template-columns: 1fr; gap: 20px; }
    .landing-nav { padding: 0 16px; }
    .landing-nav .nav-links .hide-mobile { display: none; }
}

/* ============ AUTH PAGES ============ */
.auth-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--pink-50), white, var(--pink-50));
    padding: 20px;
}

.auth-card {
    background: white;
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 440px;
    padding: 40px;
    border: 1px solid var(--gray-100);
}

.auth-card .auth-brand {
    text-align: center;
    margin-bottom: 32px;
}

.auth-card .auth-brand .logo {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--pink-400), var(--pink-600));
    border-radius: 14px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 800;
    font-size: 1.4rem;
    margin-bottom: 12px;
}

.auth-card .auth-brand h2 {
    font-size: 1.4rem;
}

.auth-card .auth-brand p {
    color: var(--gray-500);
    font-size: 0.875rem;
    margin-top: 4px;
}

.auth-footer {
    text-align: center;
    margin-top: 24px;
    font-size: 0.875rem;
    color: var(--gray-500);
}

.auth-footer a {
    color: var(--primary);
    font-weight: 600;
}

.auth-footer a:hover {
    text-decoration: underline;
}

/* ============ PAGINATION ============ */
.pagination {
    display: flex;
    align-items: center;
    gap: 4px;
    justify-content: center;
    padding: 20px 0;
}

.pagination a, .pagination span {
    padding: 8px 14px;
    border-radius: 8px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--gray-600);
    border: 1px solid var(--gray-200);
    transition: var(--transition);
}

.pagination a:hover {
    background: var(--pink-50);
    border-color: var(--pink-200);
    color: var(--pink-600);
}

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

/* ============ COPY FIELD ============ */
.copy-field {
    display: flex;
    align-items: center;
    gap: 8px;
}

.copy-field input {
    flex: 1;
    padding: 10px 14px;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-sm);
    font-size: 0.8125rem;
    font-family: 'SF Mono', 'Fira Code', monospace;
    background: var(--gray-50);
    color: var(--gray-700);
}

.copy-field button {
    padding: 10px 16px;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-sm);
    background: white;
    cursor: pointer;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--gray-600);
    transition: var(--transition);
    white-space: nowrap;
}

.copy-field button:hover {
    background: var(--pink-50);
    border-color: var(--pink-200);
    color: var(--pink-600);
}

/* ============ EMPTY STATE ============ */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--gray-500);
}

.empty-state .empty-icon {
    font-size: 3rem;
    margin-bottom: 16px;
    opacity: 0.5;
}

.empty-state h3 {
    font-size: 1.1rem;
    color: var(--gray-600);
    margin-bottom: 8px;
}

.empty-state p {
    font-size: 0.875rem;
    max-width: 360px;
    margin: 0 auto;
}

/* ============ CHECKOUT PAGE ============ */
.checkout-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--pink-50), white);
    padding: 20px;
}

.checkout-card {
    background: white;
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 420px;
    padding: 40px;
    text-align: center;
    border: 1px solid var(--gray-100);
}

.checkout-card .qr-container {
    padding: 20px;
    background: white;
    border-radius: var(--radius);
    border: 2px solid var(--gray-100);
    display: inline-block;
    margin: 20px 0;
}

.checkout-card .qr-container img {
    width: 200px;
    height: 200px;
}

.checkout-card .amount {
    font-size: 2rem;
    font-weight: 800;
    color: var(--gray-900);
    margin: 16px 0 8px;
}

.checkout-card .countdown {
    font-size: 0.875rem;
    color: var(--gray-500);
    margin-bottom: 20px;
}

.checkout-card .countdown .time {
    font-weight: 700;
    color: var(--primary);
    font-size: 1.1rem;
}

.status-paid {
    background: var(--green-100);
    color: var(--green-700);
    padding: 20px;
    border-radius: var(--radius);
    margin: 20px 0;
}

.status-expired {
    background: var(--red-100);
    color: var(--red-600);
    padding: 20px;
    border-radius: var(--radius);
    margin: 20px 0;
}

/* ============ FILTER BAR ============ */
.filter-bar {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.filter-bar .search-input {
    flex: 1;
    min-width: 200px;
    padding: 9px 14px 9px 36px;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%239ca3af' stroke-width='2'%3e%3cpath stroke-linecap='round' stroke-linejoin='round' d='M21 21l-6-6m2-5a7 7 0 11-14 0 7 7 0 0114 0z'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: 10px center;
    background-size: 18px;
}

.filter-bar .search-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(236, 72, 153, 0.1);
}

.filter-tabs {
    display: flex;
    gap: 4px;
    background: var(--gray-100);
    border-radius: var(--radius-sm);
    padding: 3px;
}

.filter-tab {
    padding: 6px 16px;
    border-radius: 6px;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--gray-600);
    cursor: pointer;
    transition: var(--transition);
    border: none;
    background: none;
    text-decoration: none;
}

.filter-tab:hover {
    color: var(--gray-800);
}

.filter-tab.active {
    background: white;
    color: var(--gray-800);
    box-shadow: var(--shadow);
    font-weight: 600;
}

/* ============ MODAL ============ */
.modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 200;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

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

.modal {
    background: white;
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--gray-100);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-header h3 {
    font-size: 1.1rem;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--gray-400);
    padding: 4px;
    line-height: 1;
}

.modal-body {
    padding: 24px;
}

.modal-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--gray-100);
    display: flex;
    gap: 8px;
    justify-content: flex-end;
}

/* ============ SCROLLBAR ============ */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--gray-300); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--gray-400); }

/* ============ TABS ============ */
.tab-content { display: none; }
.tab-content.active { display: block; }