/* ============================================================
   GatewayX - Design System & Custom Styles
   Premium fintech aesthetic — minimal, trustworthy, polished
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@500;600&display=swap');

/* -----------------------------------------------------------
   CSS Custom Properties
   ----------------------------------------------------------- */
:root {
    /* Neutral palette */
    --gx-white: #ffffff;
    --gx-gray-25: #FCFCFD;
    --gx-gray-50: #F9FAFB;
    --gx-gray-100: #F2F4F7;
    --gx-gray-200: #EAECF0;
    --gx-gray-300: #D0D5DD;
    --gx-gray-400: #98A2B3;
    --gx-gray-500: #667085;
    --gx-gray-600: #475467;
    --gx-gray-700: #344054;
    --gx-gray-800: #1D2939;
    --gx-gray-900: #101828;

    /* Primary — refined navy/indigo */
    --gx-primary-50: #EEF2FF;
    --gx-primary-100: #E0E7FF;
    --gx-primary-200: #C7D2FE;
    --gx-primary-400: #818CF8;
    --gx-primary-500: #6366F1;
    --gx-primary-600: #4F46E5;
    --gx-primary-700: #4338CA;
    --gx-primary-800: #3730A3;
    --gx-primary-900: #312E81;

    /* Success */
    --gx-success-50: #ECFDF5;
    --gx-success-100: #D1FAE5;
    --gx-success-400: #34D399;
    --gx-success-500: #10B981;
    --gx-success-600: #059669;
    --gx-success-700: #047857;

    /* Warning */
    --gx-warning-50: #FFFBEB;
    --gx-warning-100: #FEF3C7;
    --gx-warning-400: #FBBF24;
    --gx-warning-500: #F59E0B;
    --gx-warning-600: #D97706;

    /* Error */
    --gx-error-50: #FEF2F2;
    --gx-error-100: #FEE2E2;
    --gx-error-400: #F87171;
    --gx-error-500: #EF4444;
    --gx-error-600: #DC2626;

    /* Typography */
    --gx-font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --gx-font-mono: 'JetBrains Mono', 'SF Mono', 'Fira Code', monospace;

    /* Spacing scale */
    --gx-space-1: 4px;
    --gx-space-2: 8px;
    --gx-space-3: 12px;
    --gx-space-4: 16px;
    --gx-space-5: 20px;
    --gx-space-6: 24px;
    --gx-space-8: 32px;
    --gx-space-10: 40px;
    --gx-space-12: 48px;

    /* Radii */
    --gx-radius-sm: 8px;
    --gx-radius-md: 12px;
    --gx-radius-lg: 16px;
    --gx-radius-xl: 24px;
    --gx-radius-full: 9999px;

    /* Shadows */
    --gx-shadow-sm: 0 1px 2px rgba(16, 24, 40, 0.05);
    --gx-shadow-md: 0 4px 8px -2px rgba(16, 24, 40, 0.1), 0 2px 4px -2px rgba(16, 24, 40, 0.06);
    --gx-shadow-lg: 0 12px 16px -4px rgba(16, 24, 40, 0.08), 0 4px 6px -2px rgba(16, 24, 40, 0.03);
    --gx-shadow-xl: 0 20px 24px -4px rgba(16, 24, 40, 0.08), 0 8px 8px -4px rgba(16, 24, 40, 0.03);
    --gx-shadow-modal: 0 24px 48px -12px rgba(16, 24, 40, 0.18);

    /* Transitions */
    --gx-transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --gx-transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
    --gx-transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --gx-transition-spring: 400ms cubic-bezier(0.34, 1.56, 0.64, 1);

    /* Dark mode vars (overridden in dark mode) */
    --gx-bg-primary: var(--gx-white);
    --gx-bg-secondary: var(--gx-gray-50);
    --gx-bg-tertiary: var(--gx-gray-100);
    --gx-text-primary: var(--gx-gray-900);
    --gx-text-secondary: var(--gx-gray-600);
    --gx-text-tertiary: var(--gx-gray-400);
    --gx-border-primary: var(--gx-gray-200);
    --gx-border-secondary: var(--gx-gray-100);
}

/* Dark mode */
[data-theme="dark"] {
    --gx-bg-primary: #0F1117;
    --gx-bg-secondary: #161820;
    --gx-bg-tertiary: #1E2028;
    --gx-text-primary: #F0F1F3;
    --gx-text-secondary: #9CA3B4;
    --gx-text-tertiary: #5D6478;
    --gx-border-primary: #2A2D38;
    --gx-border-secondary: #1E2028;

    --gx-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --gx-shadow-md: 0 4px 8px -2px rgba(0, 0, 0, 0.4);
    --gx-shadow-lg: 0 12px 16px -4px rgba(0, 0, 0, 0.5);
    --gx-shadow-xl: 0 20px 24px -4px rgba(0, 0, 0, 0.5);
    --gx-shadow-modal: 0 24px 48px -12px rgba(0, 0, 0, 0.7);
}

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

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

body {
    font-family: var(--gx-font-sans);
    color: var(--gx-text-primary);
    background-color: var(--gx-bg-secondary);
    line-height: 1.5;
}

/* -----------------------------------------------------------
   Animations — Keyframes
   ----------------------------------------------------------- */
@keyframes gx-fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes gx-fadeInUp {
    from { 
        opacity: 0; 
        transform: translateY(12px); 
    }
    to { 
        opacity: 1; 
        transform: translateY(0); 
    }
}

@keyframes gx-scaleIn {
    from { 
        opacity: 0; 
        transform: scale(0.95); 
    }
    to { 
        opacity: 1; 
        transform: scale(1); 
    }
}

@keyframes gx-modalIn {
    from {
        opacity: 0;
        transform: scale(0.96) translateY(8px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

@keyframes gx-checkmark {
    0% { 
        transform: scale(0); 
        opacity: 0; 
    }
    50% { 
        transform: scale(1.2); 
    }
    100% { 
        transform: scale(1); 
        opacity: 1; 
    }
}

@keyframes gx-pulse-ring {
    0% {
        transform: scale(0.8);
        opacity: 1;
    }
    100% {
        transform: scale(1.6);
        opacity: 0;
    }
}

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

@keyframes gx-shimmer {
    0% { background-position: -200px 0; }
    100% { background-position: calc(200px + 100%) 0; }
}

@keyframes gx-slideDown {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* -----------------------------------------------------------
   Modal Overlay
   ----------------------------------------------------------- */
.gx-overlay {
    position: fixed;
    inset: 0;
    background: rgba(16, 24, 40, 0.55);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    animation: gx-fadeIn var(--gx-transition-base) ease-out;
    padding: var(--gx-space-4);
}

[data-theme="dark"] .gx-overlay {
    background: rgba(0, 0, 0, 0.7);
}

/* -----------------------------------------------------------
   Modal Container
   ----------------------------------------------------------- */
.gx-modal {
    width: 100%;
    max-width: 420px;
    background: var(--gx-bg-primary);
    border-radius: var(--gx-radius-xl);
    box-shadow: var(--gx-shadow-modal);
    overflow: hidden;
    animation: gx-modalIn 350ms cubic-bezier(0.34, 1.56, 0.64, 1);
    position: relative;
    max-height: 96vh;
    overflow-y: auto;
}

.gx-modal::-webkit-scrollbar {
    width: 0;
}

/* -----------------------------------------------------------
   Modal Header
   ----------------------------------------------------------- */
.gx-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--gx-space-5) var(--gx-space-6);
    border-bottom: 1px solid var(--gx-border-secondary);
}

.gx-header-left {
    display: flex;
    align-items: center;
    gap: var(--gx-space-3);
}

.gx-header-lock {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: var(--gx-primary-50);
    border-radius: var(--gx-radius-sm);
    color: var(--gx-primary-600);
    flex-shrink: 0;
}

[data-theme="dark"] .gx-header-lock {
    background: rgba(99, 102, 241, 0.12);
    color: var(--gx-primary-400);
}

.gx-header-lock svg {
    width: 18px;
    height: 18px;
}

.gx-header-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--gx-text-primary);
    line-height: 1.3;
}

.gx-header-subtitle {
    font-size: 12.5px;
    color: var(--gx-text-secondary);
    margin-top: 1px;
}

.gx-close-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: var(--gx-radius-sm);
    border: none;
    background: transparent;
    color: var(--gx-text-tertiary);
    cursor: pointer;
    transition: all var(--gx-transition-fast);
    flex-shrink: 0;
}

.gx-close-btn:hover {
    background: var(--gx-bg-tertiary);
    color: var(--gx-text-primary);
}

.gx-close-btn svg {
    width: 18px;
    height: 18px;
}

/* -----------------------------------------------------------
   Amount Card
   ----------------------------------------------------------- */
.gx-amount-card {
    margin: var(--gx-space-5) var(--gx-space-6) 0;
    padding: var(--gx-space-5);
    background: var(--gx-bg-secondary);
    border: 1px solid var(--gx-border-secondary);
    border-radius: var(--gx-radius-md);
    text-align: center;
    animation: gx-fadeInUp 350ms ease-out 100ms both;
}

.gx-amount-value {
    font-size: 32px;
    font-weight: 700;
    color: var(--gx-text-primary);
    letter-spacing: -0.5px;
    line-height: 1.2;
}

.gx-amount-currency {
    font-size: 20px;
    font-weight: 600;
    color: var(--gx-text-secondary);
    margin-right: 2px;
}

.gx-amount-order {
    font-size: 12.5px;
    color: var(--gx-text-tertiary);
    margin-top: var(--gx-space-1);
    font-family: var(--gx-font-mono);
    font-weight: 500;
}

/* -----------------------------------------------------------
   QR Section
   ----------------------------------------------------------- */
.gx-qr-section {
    padding: var(--gx-space-6);
    text-align: center;
    animation: gx-fadeInUp 350ms ease-out 200ms both;
}

.gx-qr-container {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--gx-space-4);
    background: var(--gx-white);
    border: 1px solid var(--gx-border-primary);
    border-radius: 18px;
    margin-bottom: var(--gx-space-4);
    position: relative;
    box-shadow: var(--gx-shadow-sm);
}

[data-theme="dark"] .gx-qr-container {
    background: #ffffff;
    border-color: var(--gx-gray-200);
}

.gx-qr-container canvas,
.gx-qr-container img {
    width: 200px !important;
    height: 200px !important;
    border-radius: var(--gx-radius-sm);
}

.gx-qr-label {
    font-size: 13px;
    color: var(--gx-text-secondary);
    margin-bottom: var(--gx-space-4);
}

/* UPI Apps Row */
.gx-upi-apps {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--gx-space-4);
    padding: var(--gx-space-3) 0;
}

.gx-upi-app {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--gx-space-1);
}

.gx-upi-app-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--gx-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    font-weight: 700;
    color: white;
    box-shadow: var(--gx-shadow-sm);
    transition: transform var(--gx-transition-fast);
}

.gx-upi-app-icon:hover {
    transform: scale(1.08);
}

.gx-upi-app-icon.gpay { background: #4285F4; }
.gx-upi-app-icon.phonepe { background: #5F259F; }
.gx-upi-app-icon.paytm { background: #00BAF2; }
.gx-upi-app-icon.bhim { background: #00897B; }

.gx-upi-app-name {
    font-size: 10.5px;
    color: var(--gx-text-tertiary);
    font-weight: 500;
}

/* -----------------------------------------------------------
   Divider
   ----------------------------------------------------------- */
.gx-divider {
    display: flex;
    align-items: center;
    gap: var(--gx-space-3);
    padding: 0 var(--gx-space-6);
    margin: 0;
}

.gx-divider::before,
.gx-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--gx-border-primary);
}

.gx-divider-text {
    font-size: 11.5px;
    font-weight: 500;
    color: var(--gx-text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* -----------------------------------------------------------
   UPI Pay Button
   ----------------------------------------------------------- */
.gx-pay-btn-wrap {
    padding: var(--gx-space-5) var(--gx-space-6);
    animation: gx-fadeInUp 350ms ease-out 300ms both;
}

.gx-pay-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--gx-space-2);
    width: 100%;
    padding: 14px var(--gx-space-6);
    background: var(--gx-gray-900);
    color: var(--gx-white);
    border: none;
    border-radius: var(--gx-radius-md);
    font-family: var(--gx-font-sans);
    font-size: 14.5px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--gx-transition-base);
    box-shadow: 0 1px 3px rgba(16, 24, 40, 0.1), 0 1px 2px rgba(16, 24, 40, 0.06);
    position: relative;
    overflow: hidden;
}

[data-theme="dark"] .gx-pay-btn {
    background: var(--gx-primary-600);
}

.gx-pay-btn:hover {
    background: var(--gx-gray-800);
    box-shadow: 0 4px 8px -2px rgba(16, 24, 40, 0.15), 0 2px 4px -2px rgba(16, 24, 40, 0.1);
    transform: translateY(-1px);
}

[data-theme="dark"] .gx-pay-btn:hover {
    background: var(--gx-primary-500);
}

.gx-pay-btn:active {
    transform: translateY(0);
    box-shadow: var(--gx-shadow-sm);
}

.gx-pay-btn svg {
    width: 18px;
    height: 18px;
}

/* -----------------------------------------------------------
   Timer
   ----------------------------------------------------------- */
.gx-timer-section {
    text-align: center;
    padding: 0 var(--gx-space-6) var(--gx-space-3);
    animation: gx-fadeInUp 350ms ease-out 350ms both;
}

.gx-timer {
    display: inline-flex;
    align-items: center;
    gap: var(--gx-space-2);
    padding: var(--gx-space-2) var(--gx-space-3);
    background: var(--gx-bg-secondary);
    border-radius: var(--gx-radius-full);
    border: 1px solid var(--gx-border-secondary);
}

.gx-timer-icon {
    width: 14px;
    height: 14px;
    color: var(--gx-text-tertiary);
}

.gx-timer-value {
    font-family: var(--gx-font-mono);
    font-size: 13px;
    font-weight: 600;
    color: var(--gx-text-secondary);
    min-width: 42px;
}

.gx-timer-value.gx-timer-urgent {
    color: var(--gx-error-500);
}

.gx-timer-label {
    font-size: 11.5px;
    color: var(--gx-text-tertiary);
}

/* -----------------------------------------------------------
   Status Badges
   ----------------------------------------------------------- */
.gx-status-section {
    padding: var(--gx-space-5) var(--gx-space-6);
    text-align: center;
}

.gx-status-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--gx-space-2);
    padding: var(--gx-space-2) var(--gx-space-4);
    border-radius: var(--gx-radius-full);
    font-size: 13px;
    font-weight: 500;
    animation: gx-fadeInUp 300ms ease-out;
}

.gx-status-pending {
    background: var(--gx-warning-50);
    color: var(--gx-warning-600);
    border: 1px solid var(--gx-warning-100);
}

[data-theme="dark"] .gx-status-pending {
    background: rgba(245, 158, 11, 0.1);
    border-color: rgba(245, 158, 11, 0.2);
    color: var(--gx-warning-400);
}

.gx-status-success {
    background: var(--gx-success-50);
    color: var(--gx-success-600);
    border: 1px solid var(--gx-success-100);
}

[data-theme="dark"] .gx-status-success {
    background: rgba(16, 185, 129, 0.1);
    border-color: rgba(16, 185, 129, 0.2);
    color: var(--gx-success-400);
}

.gx-status-failed {
    background: var(--gx-error-50);
    color: var(--gx-error-600);
    border: 1px solid var(--gx-error-100);
}

[data-theme="dark"] .gx-status-failed {
    background: rgba(239, 68, 68, 0.1);
    border-color: rgba(239, 68, 68, 0.2);
    color: var(--gx-error-400);
}

.gx-status-icon {
    width: 16px;
    height: 16px;
}

.gx-status-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    animation: gx-pulse-ring 1.5s ease-out infinite;
}

.gx-status-pending .gx-status-dot { background: var(--gx-warning-400); }
.gx-status-success .gx-status-dot { background: var(--gx-success-400); }

/* Success Checkmark */
.gx-success-check {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--gx-success-50);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--gx-space-4);
    animation: gx-checkmark 500ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

[data-theme="dark"] .gx-success-check {
    background: rgba(16, 185, 129, 0.12);
}

.gx-success-check svg {
    width: 28px;
    height: 28px;
    color: var(--gx-success-500);
}

.gx-success-message {
    font-size: 18px;
    font-weight: 600;
    color: var(--gx-text-primary);
    margin-bottom: var(--gx-space-1);
}

.gx-success-sub {
    font-size: 13px;
    color: var(--gx-text-secondary);
}

/* Failed state */
.gx-fail-icon {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--gx-error-50);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--gx-space-4);
    animation: gx-checkmark 500ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

[data-theme="dark"] .gx-fail-icon {
    background: rgba(239, 68, 68, 0.12);
}

.gx-fail-icon svg {
    width: 28px;
    height: 28px;
    color: var(--gx-error-500);
}

.gx-retry-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--gx-space-2);
    padding: var(--gx-space-2) var(--gx-space-5);
    background: transparent;
    color: var(--gx-primary-600);
    border: 1px solid var(--gx-primary-200);
    border-radius: var(--gx-radius-sm);
    font-family: var(--gx-font-sans);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--gx-transition-fast);
    margin-top: var(--gx-space-4);
}

.gx-retry-btn:hover {
    background: var(--gx-primary-50);
    border-color: var(--gx-primary-400);
}

[data-theme="dark"] .gx-retry-btn {
    color: var(--gx-primary-400);
    border-color: rgba(99, 102, 241, 0.3);
}

[data-theme="dark"] .gx-retry-btn:hover {
    background: rgba(99, 102, 241, 0.1);
}

/* -----------------------------------------------------------
   Footer
   ----------------------------------------------------------- */
.gx-footer {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--gx-space-2);
    padding: var(--gx-space-4) var(--gx-space-6);
    border-top: 1px solid var(--gx-border-secondary);
    background: var(--gx-bg-secondary);
}

.gx-footer-icon {
    width: 12px;
    height: 12px;
    color: var(--gx-text-tertiary);
}

.gx-footer-text {
    font-size: 11px;
    color: var(--gx-text-tertiary);
}

/* -----------------------------------------------------------
   Spinner
   ----------------------------------------------------------- */
.gx-spinner {
    width: 16px;
    height: 16px;
    border: 2px solid var(--gx-border-primary);
    border-top-color: var(--gx-primary-500);
    border-radius: 50%;
    animation: gx-spin 0.7s linear infinite;
}

/* -----------------------------------------------------------
   Checkout Page (full-page mode)
   ----------------------------------------------------------- */
.gx-checkout-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--gx-space-6);
    background: var(--gx-bg-secondary);
}

/* -----------------------------------------------------------
   Theme Toggle
   ----------------------------------------------------------- */
.gx-theme-toggle {
    position: fixed;
    bottom: var(--gx-space-5);
    right: var(--gx-space-5);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid var(--gx-border-primary);
    background: var(--gx-bg-primary);
    color: var(--gx-text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--gx-shadow-md);
    transition: all var(--gx-transition-fast);
    z-index: 100;
}

.gx-theme-toggle:hover {
    box-shadow: var(--gx-shadow-lg);
    transform: scale(1.05);
}

.gx-theme-toggle svg {
    width: 18px;
    height: 18px;
}

/* -----------------------------------------------------------
   Dashboard Styles
   ----------------------------------------------------------- */
.gx-dashboard {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--gx-space-6);
}

.gx-dashboard-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--gx-space-8);
    padding-bottom: var(--gx-space-6);
    border-bottom: 1px solid var(--gx-border-primary);
}

.gx-dashboard-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--gx-text-primary);
}

.gx-dashboard-subtitle {
    font-size: 14px;
    color: var(--gx-text-secondary);
    margin-top: var(--gx-space-1);
}

/* Stats Grid */
.gx-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--gx-space-5);
    margin-bottom: var(--gx-space-8);
}

.gx-stat-card {
    background: var(--gx-bg-primary);
    border: 1px solid var(--gx-border-primary);
    border-radius: var(--gx-radius-md);
    padding: var(--gx-space-6);
    transition: all var(--gx-transition-fast);
    animation: gx-fadeInUp 350ms ease-out both;
}

.gx-stat-card:nth-child(2) { animation-delay: 50ms; }
.gx-stat-card:nth-child(3) { animation-delay: 100ms; }
.gx-stat-card:nth-child(4) { animation-delay: 150ms; }

.gx-stat-card:hover {
    box-shadow: var(--gx-shadow-md);
    border-color: var(--gx-border-primary);
}

.gx-stat-label {
    font-size: 12.5px;
    font-weight: 500;
    color: var(--gx-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.3px;
    margin-bottom: var(--gx-space-2);
}

.gx-stat-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--gx-text-primary);
    letter-spacing: -0.5px;
}

.gx-stat-change {
    display: inline-flex;
    align-items: center;
    gap: 2px;
    font-size: 12px;
    font-weight: 500;
    margin-top: var(--gx-space-2);
    padding: 2px var(--gx-space-2);
    border-radius: var(--gx-radius-full);
}

.gx-stat-change.positive {
    color: var(--gx-success-600);
    background: var(--gx-success-50);
}

.gx-stat-change.negative {
    color: var(--gx-error-600);
    background: var(--gx-error-50);
}

/* Table */
.gx-table-wrapper {
    background: var(--gx-bg-primary);
    border: 1px solid var(--gx-border-primary);
    border-radius: var(--gx-radius-md);
    overflow: hidden;
    animation: gx-fadeInUp 350ms ease-out 200ms both;
}

.gx-table-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--gx-space-5) var(--gx-space-6);
    border-bottom: 1px solid var(--gx-border-secondary);
}

.gx-table-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--gx-text-primary);
}

.gx-table-actions {
    display: flex;
    gap: var(--gx-space-2);
}

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

.gx-table th {
    padding: var(--gx-space-3) var(--gx-space-4);
    font-size: 11.5px;
    font-weight: 600;
    color: var(--gx-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.3px;
    text-align: left;
    background: var(--gx-bg-secondary);
    border-bottom: 1px solid var(--gx-border-secondary);
}

.gx-table td {
    padding: var(--gx-space-3) var(--gx-space-4);
    font-size: 13.5px;
    color: var(--gx-text-primary);
    border-bottom: 1px solid var(--gx-border-secondary);
}

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

.gx-table tr:hover td {
    background: var(--gx-bg-secondary);
}

.gx-table .gx-txn-id {
    font-family: var(--gx-font-mono);
    font-size: 12.5px;
    font-weight: 500;
    color: var(--gx-primary-600);
}

[data-theme="dark"] .gx-table .gx-txn-id {
    color: var(--gx-primary-400);
}

.gx-table .gx-status-pill {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 10px;
    border-radius: var(--gx-radius-full);
    font-size: 12px;
    font-weight: 500;
}

.gx-status-pill.success {
    background: var(--gx-success-50);
    color: var(--gx-success-600);
}

.gx-status-pill.pending {
    background: var(--gx-warning-50);
    color: var(--gx-warning-600);
}

.gx-status-pill.failed,
.gx-status-pill.expired {
    background: var(--gx-error-50);
    color: var(--gx-error-600);
}

[data-theme="dark"] .gx-status-pill.success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--gx-success-400);
}

[data-theme="dark"] .gx-status-pill.pending {
    background: rgba(245, 158, 11, 0.1);
    color: var(--gx-warning-400);
}

[data-theme="dark"] .gx-status-pill.failed,
[data-theme="dark"] .gx-status-pill.expired {
    background: rgba(239, 68, 68, 0.1);
    color: var(--gx-error-400);
}

/* Filter bar */
.gx-filter-bar {
    display: flex;
    gap: var(--gx-space-3);
    flex-wrap: wrap;
    align-items: center;
}

.gx-filter-btn {
    padding: var(--gx-space-2) var(--gx-space-3);
    border: 1px solid var(--gx-border-primary);
    background: var(--gx-bg-primary);
    color: var(--gx-text-secondary);
    border-radius: var(--gx-radius-sm);
    font-family: var(--gx-font-sans);
    font-size: 12.5px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--gx-transition-fast);
}

.gx-filter-btn:hover,
.gx-filter-btn.active {
    background: var(--gx-primary-50);
    border-color: var(--gx-primary-200);
    color: var(--gx-primary-600);
}

[data-theme="dark"] .gx-filter-btn:hover,
[data-theme="dark"] .gx-filter-btn.active {
    background: rgba(99, 102, 241, 0.1);
    border-color: rgba(99, 102, 241, 0.3);
    color: var(--gx-primary-400);
}

.gx-export-btn {
    padding: var(--gx-space-2) var(--gx-space-4);
    background: var(--gx-bg-primary);
    color: var(--gx-text-secondary);
    border: 1px solid var(--gx-border-primary);
    border-radius: var(--gx-radius-sm);
    font-family: var(--gx-font-sans);
    font-size: 12.5px;
    font-weight: 500;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: var(--gx-space-2);
    transition: all var(--gx-transition-fast);
}

.gx-export-btn:hover {
    border-color: var(--gx-primary-200);
    color: var(--gx-primary-600);
}

.gx-export-btn svg {
    width: 14px;
    height: 14px;
}

/* Pagination */
.gx-pagination {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--gx-space-4) var(--gx-space-6);
    border-top: 1px solid var(--gx-border-secondary);
}

.gx-page-info {
    font-size: 13px;
    color: var(--gx-text-secondary);
}

.gx-page-buttons {
    display: flex;
    gap: var(--gx-space-2);
}

.gx-page-btn {
    padding: var(--gx-space-2) var(--gx-space-3);
    border: 1px solid var(--gx-border-primary);
    background: var(--gx-bg-primary);
    color: var(--gx-text-secondary);
    border-radius: var(--gx-radius-sm);
    font-size: 13px;
    cursor: pointer;
    transition: all var(--gx-transition-fast);
}

.gx-page-btn:hover:not(:disabled) {
    border-color: var(--gx-primary-200);
    color: var(--gx-primary-600);
}

.gx-page-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

/* -----------------------------------------------------------
   Loading skeleton
   ----------------------------------------------------------- */
.gx-skeleton {
    background: linear-gradient(90deg, var(--gx-bg-tertiary) 0px, var(--gx-bg-secondary) 40px, var(--gx-bg-tertiary) 80px);
    background-size: 200px;
    animation: gx-shimmer 1.5s ease-in-out infinite;
    border-radius: var(--gx-radius-sm);
}

/* -----------------------------------------------------------
   Responsive
   ----------------------------------------------------------- */
@media (max-width: 480px) {
    .gx-modal {
        max-width: 100%;
        border-radius: var(--gx-radius-lg) var(--gx-radius-lg) 0 0;
        max-height: 100vh;
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        animation: gx-slideUp 350ms cubic-bezier(0.34, 1.56, 0.64, 1);
    }

    @keyframes gx-slideUp {
        from {
            opacity: 0;
            transform: translateY(100%);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }

    .gx-overlay {
        align-items: flex-end;
        padding: 0;
    }

    .gx-qr-container canvas,
    .gx-qr-container img {
        width: 180px !important;
        height: 180px !important;
    }

    .gx-amount-value {
        font-size: 28px;
    }

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

    .gx-table-wrapper {
        overflow-x: auto;
    }

    .gx-table {
        min-width: 600px;
    }
}

@media (max-width: 360px) {
    .gx-stats-grid {
        grid-template-columns: 1fr;
    }
}

/* -----------------------------------------------------------
   Demo page styles
   ----------------------------------------------------------- */
.gx-demo-page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--gx-space-8);
    background: var(--gx-bg-secondary);
}

.gx-demo-card {
    background: var(--gx-bg-primary);
    border: 1px solid var(--gx-border-primary);
    border-radius: var(--gx-radius-lg);
    padding: var(--gx-space-10);
    max-width: 480px;
    width: 100%;
    text-align: center;
    box-shadow: var(--gx-shadow-lg);
}

.gx-demo-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--gx-text-primary);
    margin-bottom: var(--gx-space-2);
}

.gx-demo-subtitle {
    font-size: 14px;
    color: var(--gx-text-secondary);
    margin-bottom: var(--gx-space-8);
}

.gx-demo-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--gx-space-2);
    padding: 14px var(--gx-space-8);
    background: var(--gx-gray-900);
    color: white;
    border: none;
    border-radius: var(--gx-radius-md);
    font-family: var(--gx-font-sans);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--gx-transition-base);
    box-shadow: var(--gx-shadow-md);
}

[data-theme="dark"] .gx-demo-btn {
    background: var(--gx-primary-600);
}

.gx-demo-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--gx-shadow-lg);
}

.gx-demo-amount {
    font-size: 36px;
    font-weight: 700;
    color: var(--gx-text-primary);
    margin-bottom: var(--gx-space-6);
}

.gx-demo-amount span {
    font-size: 22px;
    color: var(--gx-text-secondary);
}

/* Navigation link */
.gx-nav-link {
    display: inline-flex;
    align-items: center;
    gap: var(--gx-space-1);
    font-size: 13px;
    color: var(--gx-primary-600);
    text-decoration: none;
    font-weight: 500;
    margin-top: var(--gx-space-6);
    transition: color var(--gx-transition-fast);
}

.gx-nav-link:hover {
    color: var(--gx-primary-700);
}

[data-theme="dark"] .gx-nav-link {
    color: var(--gx-primary-400);
}