/**
 * VOX PESQUISAS - Design System Premium (Bank Style)
 * ===================================================
 * Inspirado em: Nubank, C6 Bank, Inter, PicPay
 * Sem emojis - apenas ícones SVG minimalistas
 */

/* ==========================================
   CSS Variables & Reset
   ========================================== */
:root {
    /* Brand Colors */
    --color-primary: #00C853;
    --color-primary-dark: #00A844;
    --color-primary-light: #4ADE80;
    --color-primary-subtle: rgba(0, 200, 83, 0.08);
    --color-primary-muted: rgba(0, 200, 83, 0.15);

    /* Accent */
    --color-accent: #6366F1;
    --color-accent-light: #818CF8;

    /* Status Colors */
    --color-success: #10B981;
    --color-warning: #F59E0B;
    --color-error: #EF4444;
    --color-info: #3B82F6;

    /* Neutral Colors */
    --color-white: #FFFFFF;
    --color-gray-50: #F9FAFB;
    --color-gray-100: #F3F4F6;
    --color-gray-200: #E5E7EB;
    --color-gray-300: #D1D5DB;
    --color-gray-400: #9CA3AF;
    --color-gray-500: #6B7280;
    --color-gray-600: #4B5563;
    --color-gray-700: #374151;
    --color-gray-800: #1F2937;
    --color-gray-900: #111827;

    /* Dark Theme */
    --bg-primary: #0B0F19;
    --bg-secondary: #111827;
    --bg-tertiary: #1F2937;
    --bg-card: rgba(31, 41, 55, 0.5);
    --bg-card-hover: rgba(31, 41, 55, 0.8);
    --bg-overlay: rgba(0, 0, 0, 0.6);

    /* Text */
    --text-primary: #F9FAFB;
    --text-secondary: #9CA3AF;
    --text-tertiary: #6B7280;
    --text-inverse: #111827;

    /* Borders */
    --border-subtle: rgba(255, 255, 255, 0.06);
    --border-default: rgba(255, 255, 255, 0.1);
    --border-strong: rgba(255, 255, 255, 0.15);

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 32px rgba(0, 200, 83, 0.25);
    --shadow-glow-lg: 0 0 48px rgba(0, 200, 83, 0.35);

    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-display: 'Inter', sans-serif;

    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 2rem;
    --text-4xl: 2.5rem;

    --font-normal: 400;
    --font-medium: 500;
    --font-semibold: 600;
    --font-bold: 700;

    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;

    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-xl: 20px;
    --radius-2xl: 28px;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: 500ms cubic-bezier(0.68, -0.55, 0.265, 1.55);

    /* Z-index */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-modal: 300;
    --z-toast: 400;
    --z-tooltip: 500;

    /* Safe Areas (iOS) */
    --safe-top: env(safe-area-inset-top);
    --safe-bottom: env(safe-area-inset-bottom);
    --safe-left: env(safe-area-inset-left);
    --safe-right: env(safe-area-inset-right);
}

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

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

body {
    font-family: var(--font-sans);
    font-size: var(--text-base);
    font-weight: var(--font-normal);
    line-height: 1.5;
    color: var(--text-primary);
    background: var(--bg-primary);
    min-height: 100vh;
    min-height: 100dvh;
    overflow-x: hidden;
    padding-bottom: var(--safe-bottom);
}

/* ==========================================
   Background Effects
   ========================================== */
.bg-gradient {
    position: fixed;
    inset: 0;
    z-index: -1;
    background:
        radial-gradient(ellipse 80% 50% at 50% -20%, var(--color-primary-subtle), transparent),
        radial-gradient(ellipse 60% 40% at 100% 100%, rgba(99, 102, 241, 0.05), transparent),
        var(--bg-primary);
}

.bg-mesh {
    position: fixed;
    inset: 0;
    z-index: -1;
    opacity: 0.4;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 60px 60px;
}

/* ==========================================
   Typography
   ========================================== */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-display);
    font-weight: var(--font-semibold);
    line-height: 1.2;
    letter-spacing: -0.02em;
}

h1 {
    font-size: var(--text-3xl);
}

h2 {
    font-size: var(--text-2xl);
}

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

h4 {
    font-size: var(--text-lg);
}

.text-gradient {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ==========================================
   Layout
   ========================================== */
.container {
    width: 100%;
    max-width: 480px;
    margin: 0 auto;
    padding: 0 var(--space-4);
}

.page {
    min-height: 100vh;
    min-height: 100dvh;
    padding-top: 64px;
    padding-bottom: calc(80px + var(--safe-bottom));
}

.section {
    padding: var(--space-8) 0;
}

/* ==========================================
   Header / Navbar
   ========================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 64px;
    background: rgba(11, 15, 25, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-subtle);
    z-index: var(--z-sticky);
    padding-top: var(--safe-top);
}

.navbar-content {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--space-4);
    max-width: 480px;
    margin: 0 auto;
}

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

.navbar-back {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--text-primary);
    text-decoration: none;
    font-weight: var(--font-medium);
    transition: opacity var(--transition-fast);
}

.navbar-back:active {
    opacity: 0.7;
}

/* ==========================================
   Bottom Navigation
   ========================================== */
.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: calc(72px + var(--safe-bottom));
    background: rgba(11, 15, 25, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-top: 1px solid var(--border-subtle);
    z-index: var(--z-sticky);
    padding-bottom: var(--safe-bottom);
}

.bottom-nav-items {
    display: flex;
    justify-content: space-around;
    align-items: center;
    height: 72px;
    max-width: 480px;
    margin: 0 auto;
}

.nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-2) var(--space-4);
    color: var(--text-tertiary);
    text-decoration: none;
    font-size: var(--text-xs);
    font-weight: var(--font-medium);
    transition: color var(--transition-fast);
    position: relative;
}

.nav-item svg {
    width: 24px;
    height: 24px;
    stroke-width: 1.5;
}

.nav-item.active {
    color: var(--color-primary);
}

.nav-item.active::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 32px;
    height: 3px;
    background: var(--color-primary);
    border-radius: 0 0 var(--radius-full) var(--radius-full);
}

/* ==========================================
   Cards
   ========================================== */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
    padding: var(--space-5);
    transition: all var(--transition-base);
}

.card:hover {
    background: var(--bg-card-hover);
}

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

.card-interactive {
    cursor: pointer;
}

.card-interactive:active {
    transform: scale(0.98);
}

/* ==========================================
   Balance Card (Bank Style)
   ========================================== */
.balance-card {
    background: linear-gradient(135deg, var(--bg-tertiary), var(--bg-secondary));
    border: 1px solid var(--border-default);
    border-radius: var(--radius-2xl);
    padding: var(--space-6);
    position: relative;
    overflow: hidden;
}

.balance-card::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, var(--color-primary-subtle), transparent 70%);
    transform: translate(30%, -30%);
}

.balance-label {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    margin-bottom: var(--space-2);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.balance-value {
    font-family: var(--font-display);
    font-size: var(--text-4xl);
    font-weight: var(--font-bold);
    color: var(--text-primary);
    letter-spacing: -0.03em;
    display: flex;
    align-items: baseline;
    gap: var(--space-1);
}

.balance-currency {
    font-size: var(--text-xl);
    font-weight: var(--font-semibold);
    color: var(--text-secondary);
}

.balance-actions {
    display: flex;
    gap: var(--space-3);
    margin-top: var(--space-5);
}

.balance-action {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3);
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-subtle);
    color: var(--text-primary);
    text-decoration: none;
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    transition: all var(--transition-base);
}

.balance-action:active {
    transform: scale(0.97);
    background: var(--bg-card-hover);
}

.balance-action svg {
    width: 22px;
    height: 22px;
    color: var(--color-primary);
}

/* ==========================================
   Progress Bar
   ========================================== */
.progress-container {
    margin-top: var(--space-5);
}

.progress-info {
    display: flex;
    justify-content: space-between;
    font-size: var(--text-sm);
    color: var(--text-secondary);
    margin-bottom: var(--space-2);
}

.progress-bar {
    height: 6px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-primary), var(--color-primary-light));
    border-radius: var(--radius-full);
    transition: width var(--transition-slow);
    position: relative;
}

.progress-fill::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% {
        transform: translateX(-100%);
    }

    100% {
        transform: translateX(100%);
    }
}

/* ==========================================
   Buttons
   ========================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-6);
    font-family: var(--font-sans);
    font-size: var(--text-base);
    font-weight: var(--font-semibold);
    line-height: 1;
    text-decoration: none;
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

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

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: var(--text-inverse);
    box-shadow: var(--shadow-glow);
}

.btn-primary:hover:not(:disabled) {
    box-shadow: var(--shadow-glow-lg);
    transform: translateY(-1px);
}

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

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-default);
}

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

.btn-ghost {
    background: transparent;
    color: var(--color-primary);
}

.btn-ghost:hover {
    background: var(--color-primary-subtle);
}

.btn-lg {
    padding: var(--space-5) var(--space-8);
    font-size: var(--text-lg);
    border-radius: var(--radius-xl);
}

.btn-block {
    width: 100%;
}

.btn svg {
    width: 20px;
    height: 20px;
}

/* Button ripple effect */
.btn::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.3) 0%, transparent 70%);
    transform: scale(0);
    opacity: 0;
    transition: transform 0.5s, opacity 0.3s;
}

.btn:active::after {
    transform: scale(2);
    opacity: 1;
    transition: transform 0s, opacity 0s;
}

/* ==========================================
   Form Elements
   ========================================== */
.form-group {
    margin-bottom: var(--space-5);
}

.form-label {
    display: block;
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--text-secondary);
    margin-bottom: var(--space-2);
}

.form-input {
    width: 100%;
    padding: var(--space-4);
    font-family: var(--font-sans);
    font-size: var(--text-base);
    color: var(--text-primary);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-lg);
    outline: none;
    transition: all var(--transition-fast);
}

.form-input:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-subtle);
}

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

.form-hint {
    font-size: var(--text-xs);
    color: var(--text-tertiary);
    margin-top: var(--space-2);
}

/* ==========================================
   Brand Cards
   ========================================== */
.brands-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-3);
}

.brand-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-5);
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
    text-decoration: none;
    color: var(--text-primary);
    transition: all var(--transition-base);
    position: relative;
}

.brand-card:active {
    transform: scale(0.97);
}

.brand-card.completed {
    opacity: 0.4;
    pointer-events: none;
}

.brand-logo {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-lg);
    font-weight: var(--font-bold);
    color: var(--color-white);
    background: var(--color-gray-700);
}

.brand-name {
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    text-align: center;
}

.brand-reward {
    font-size: var(--text-lg);
    font-weight: var(--font-bold);
    color: var(--color-primary);
}

.brand-badge {
    position: absolute;
    top: -6px;
    right: -6px;
    padding: var(--space-1) var(--space-2);
    font-size: 10px;
    font-weight: var(--font-bold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: var(--radius-sm);
}

.badge-new {
    background: var(--color-primary);
    color: var(--text-inverse);
}

.badge-premium {
    background: linear-gradient(135deg, #F59E0B, #D97706);
    color: var(--text-inverse);
}

/* ==========================================
   Transaction List
   ========================================== */
.transaction-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.transaction-item {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-4);
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-subtle);
}

.transaction-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.transaction-icon.credit {
    background: var(--color-primary-muted);
    color: var(--color-primary);
}

.transaction-icon.debit {
    background: rgba(239, 68, 68, 0.15);
    color: var(--color-error);
}

.transaction-icon svg {
    width: 20px;
    height: 20px;
}

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

.transaction-title {
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.transaction-date {
    font-size: var(--text-xs);
    color: var(--text-tertiary);
    margin-top: var(--space-1);
}

.transaction-amount {
    font-size: var(--text-base);
    font-weight: var(--font-bold);
}

.transaction-amount.credit {
    color: var(--color-primary);
}

.transaction-amount.debit {
    color: var(--color-error);
}

/* ==========================================
   Alerts & Feedback
   ========================================== */
.alert {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    padding: var(--space-4);
    border-radius: var(--radius-lg);
    font-size: var(--text-sm);
}

.alert-icon {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.2);
    color: var(--color-success);
}

.alert-error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.2);
    color: var(--color-error);
}

.alert-warning {
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid rgba(245, 158, 11, 0.2);
    color: var(--color-warning);
}

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

/* ==========================================
   Toast Notifications
   ========================================== */
.toast-container {
    position: fixed;
    top: calc(64px + var(--space-4));
    left: var(--space-4);
    right: var(--space-4);
    z-index: var(--z-toast);
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    pointer-events: none;
}

.toast {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-4);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    animation: toastSlide 0.3s ease, toastFade 0.3s ease 4.7s forwards;
    pointer-events: auto;
}

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

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

@keyframes toastFade {
    to {
        opacity: 0;
        transform: translateY(-10px);
    }
}

.toast-avatar {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    background: var(--color-primary-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    color: var(--color-primary);
    flex-shrink: 0;
}

.toast-content {
    flex: 1;
    min-width: 0;
}

.toast-title {
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
}

.toast-message {
    font-size: var(--text-xs);
    color: var(--text-secondary);
    margin-top: 2px;
}

/* ==========================================
   Modal
   ========================================== */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: var(--bg-overlay);
    backdrop-filter: blur(8px);
    z-index: var(--z-modal);
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding: var(--space-4);
    animation: fadeIn var(--transition-fast);
}

.modal-content {
    width: 100%;
    max-width: 480px;
    max-height: 90vh;
    background: var(--bg-secondary);
    border-radius: var(--radius-2xl) var(--radius-2xl) 0 0;
    padding: var(--space-6);
    animation: slideUp var(--transition-base);
    overflow-y: auto;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes slideUp {
    from {
        transform: translateY(100%);
    }

    to {
        transform: translateY(0);
    }
}

.modal-handle {
    width: 36px;
    height: 4px;
    background: var(--border-strong);
    border-radius: var(--radius-full);
    margin: 0 auto var(--space-5);
}

/* ==========================================
   Skeleton Loading
   ========================================== */
.skeleton {
    background: linear-gradient(90deg, var(--bg-tertiary) 25%, var(--bg-card-hover) 50%, var(--bg-tertiary) 75%);
    background-size: 200% 100%;
    animation: skeleton 1.5s infinite;
    border-radius: var(--radius-md);
}

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

    100% {
        background-position: -200% 0;
    }
}

/* ==========================================
   Empty States
   ========================================== */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: var(--space-10);
}

.empty-icon {
    width: 64px;
    height: 64px;
    color: var(--text-tertiary);
    margin-bottom: var(--space-4);
}

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

.empty-description {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    max-width: 280px;
}

/* ==========================================
   Stats Grid
   ========================================== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-3);
}

.stat-item {
    text-align: center;
    padding: var(--space-4);
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-subtle);
}

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

.stat-label {
    font-size: var(--text-xs);
    color: var(--text-tertiary);
    margin-top: var(--space-1);
}

/* ==========================================
   Verified Badge
   ========================================== */
.verified-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    background: var(--color-primary-subtle);
    border: 1px solid var(--color-primary-muted);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--color-primary);
}

.verified-badge svg {
    width: 16px;
    height: 16px;
}

/* ==========================================
   PIX Type Selector
   ========================================== */
.pix-selector {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-3);
}

.pix-option {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-4);
    background: var(--bg-card);
    border: 2px solid var(--border-default);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.pix-option:hover {
    border-color: var(--border-strong);
}

.pix-option.selected {
    border-color: var(--color-primary);
    background: var(--color-primary-subtle);
}

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

.pix-option svg {
    width: 24px;
    height: 24px;
    color: var(--text-secondary);
}

.pix-option.selected svg {
    color: var(--color-primary);
}

.pix-option span {
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
}

/* ==========================================
   Utility Classes
   ========================================== */
.text-center {
    text-align: center;
}

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

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

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

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

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

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

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

.mt-2 {
    margin-top: var(--space-2);
}

.mt-4 {
    margin-top: var(--space-4);
}

.mt-6 {
    margin-top: var(--space-6);
}

.mt-8 {
    margin-top: var(--space-8);
}

.mb-2 {
    margin-bottom: var(--space-2);
}

.mb-4 {
    margin-bottom: var(--space-4);
}

.mb-6 {
    margin-bottom: var(--space-6);
}

.mb-8 {
    margin-bottom: var(--space-8);
}

.hidden {
    display: none !important;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

/* ==========================================
   Responsive
   ========================================== */
@media (min-width: 480px) {
    .container {
        padding: 0 var(--space-6);
    }
}

/* ==========================================
   Animations
   ========================================== */
.fade-in {
    animation: fadeIn var(--transition-base) ease;
}

.slide-up {
    animation: slideUp var(--transition-base) ease;
}

/* Number counter animation */
.counter-animate {
    display: inline-block;
    transition: transform var(--transition-fast);
}

.counter-animate.updating {
    transform: scale(1.05);
}

/* ==========================================
   Modal System
   ========================================== */
.modal-overlay {
    position: fixed;
    inset: 0;
    z-index: var(--z-modal);
    display: flex;
    align-items: flex-end;
    justify-content: center;
    pointer-events: none;
    opacity: 0;
    transition: opacity var(--transition-base);
}

.modal-overlay.active {
    pointer-events: auto;
    opacity: 1;
}

.modal-backdrop {
    position: absolute;
    inset: 0;
    background: var(--bg-overlay);
    backdrop-filter: blur(4px);
}

.modal-wrapper {
    position: relative;
    width: 100%;
    max-width: 400px;
    max-height: 90vh;
    padding: var(--space-4);
    transform: translateY(100%);
    transition: transform var(--transition-slow);
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.modal-wrapper::-webkit-scrollbar {
    display: none;
}

.modal-overlay.active .modal-wrapper {
    transform: translateY(0);
}

.modal-content {
    background: var(--bg-secondary);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-2xl) var(--radius-2xl) var(--radius-xl) var(--radius-xl);
    padding: var(--space-6);
    box-shadow: var(--shadow-lg);
    position: relative;
    text-align: center;
    max-height: calc(90vh - 32px);
    overflow-y: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.modal-content::-webkit-scrollbar {
    display: none;
}

.modal-content.modal-small {
    padding: var(--space-5);
}

.modal-content.modal-large {
    padding: var(--space-8);
}

.modal-close {
    position: absolute;
    top: var(--space-4);
    right: var(--space-4);
    width: 32px;
    height: 32px;
    border: none;
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

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

.modal-close svg {
    width: 16px;
    height: 16px;
}

.modal-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--space-5);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-icon svg {
    width: 28px;
    height: 28px;
}

.modal-title {
    font-size: var(--text-xl);
    font-weight: var(--font-semibold);
    margin-bottom: var(--space-3);
}

.modal-message {
    font-size: var(--text-base);
    color: var(--text-secondary);
    line-height: 1.5;
}

.modal-body {
    margin: var(--space-5) 0;
}

.modal-buttons {
    display: flex;
    gap: var(--space-3);
    margin-top: var(--space-6);
}

.modal-buttons .btn {
    flex: 1;
}

.modal-loading {
    padding: var(--space-6) 0;
}

.modal-loading .spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-default);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto var(--space-4);
}

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

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

/* PIX Modal */
.pix-modal {
    text-align: center;
}

.pix-qr-container {
    background: white;
    padding: var(--space-4);
    border-radius: var(--radius-lg);
    display: inline-block;
    margin-bottom: var(--space-4);
}

.pix-qr-image {
    width: 180px;
    height: 180px;
    display: block;
}

.pix-amount {
    font-size: var(--text-2xl);
    font-weight: var(--font-bold);
    color: var(--color-primary);
    margin-bottom: var(--space-4);
}

.pix-instruction {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    margin-bottom: var(--space-3);
}

.pix-code-box {
    background: var(--bg-tertiary);
    padding: var(--space-3);
    border-radius: var(--radius-md);
    font-family: monospace;
    font-size: var(--text-xs);
    word-break: break-all;
    max-height: 80px;
    overflow-y: auto;
    margin-bottom: var(--space-4);
    text-align: left;
}

.pix-countdown {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3);
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.2);
    border-radius: var(--radius-md);
    color: var(--color-error);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
}

.pix-countdown svg {
    width: 16px;
    height: 16px;
}

.pix-waiting {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    padding: var(--space-4);
    margin-top: var(--space-4);
    color: var(--text-secondary);
    font-size: var(--text-sm);
}

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

/* Info List Modal */
.info-list {
    text-align: left;
}

.info-item {
    display: flex;
    gap: var(--space-4);
    padding: var(--space-3) 0;
    border-bottom: 1px solid var(--border-subtle);
}

.info-item:last-child {
    border-bottom: none;
}

.info-icon {
    width: 36px;
    height: 36px;
    background: var(--color-primary-subtle);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.info-icon svg {
    width: 18px;
    height: 18px;
    color: var(--color-primary);
}

.info-content {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.info-content strong {
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
}

.info-content span {
    font-size: var(--text-xs);
    color: var(--text-tertiary);
}

/* Brand Logo Image */
.brand-logo-img {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-lg);
    object-fit: contain;
    background: white;
    padding: 8px;
}

/* Pulsing animations */
@keyframes pulse {
    0% {
        transform: scale(1);
        opacity: 1;
    }

    50% {
        transform: scale(1.05);
        opacity: 0.8;
    }

    100% {
        transform: scale(1);
        opacity: 1;
    }
}

.animate-pulse {
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes pulse-dot {
    0% {
        transform: scale(0.95);
        box-shadow: 0 0 0 0 rgba(0, 200, 83, 0.7);
    }

    70% {
        transform: scale(1);
        box-shadow: 0 0 0 6px rgba(0, 200, 83, 0);
    }

    100% {
        transform: scale(0.95);
        box-shadow: 0 0 0 0 rgba(0, 200, 83, 0);
    }
}

.status-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    background: var(--color-primary);
    border-radius: 50%;
    margin-right: var(--space-2);
}

.status-dot.active {
    animation: pulse-dot 2s infinite;
}

/* ==========================================
   Locked/Unavailable Brand Cards
   ========================================== */
.brand-locked {
    position: relative;
    filter: grayscale(80%) brightness(0.5);
    opacity: 0.6;
    pointer-events: auto;
    cursor: not-allowed;
}

.brand-locked::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.4), rgba(0, 0, 0, 0.2));
    backdrop-filter: blur(2px);
    border-radius: inherit;
    z-index: 1;
}

.brand-lock-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 2;
    width: 40px;
    height: 40px;
    background: rgba(0, 0, 0, 0.7);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-tertiary);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.brand-locked .brand-name,
.brand-locked .brand-reward,
.brand-locked .brand-logo,
.brand-locked .brand-logo-img {
    position: relative;
    z-index: 0;
}

/* ==========================================
   Optimized Page Transitions
   ========================================== */
.page {
    animation: pageIn 0.25s ease-out forwards;
}

@keyframes pageIn {
    from {
        opacity: 0;
        transform: translateY(8px);
    }

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

/* Faster link transitions */
a,
button {
    transition: opacity 0.15s ease, transform 0.15s ease, background-color 0.15s ease, color 0.15s ease !important;
}

/* Hardware Acceleration */
.page,
.card,
.brand-card,
.stat-item,
.balance-card,
.bottom-nav {
    backface-visibility: hidden;
    perspective: 1000px;
    transform: translateZ(0);
}

.brand-card,
.stat-item,
.card {
    will-change: transform, opacity;
}

/* Reduce motion for accessibility */
@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}
}

/* ==========================================
   Brand Logo Fallback & Container
   ========================================== */
.brand-logo-container {
    width: 48px;
    height: 48px;
    flex-shrink: 0;
    border-radius: 12px;
    overflow: hidden;
    background: var(--bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
}

.brand-logo {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 4px;
    /* Slight padding for logos */
}

.brand-logo-fallback {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    font-weight: 700;
    font-size: 18px;
    text-transform: uppercase;
    font-family: var(--font-display);
}

/* ==========================================
   Brand Card Animations & Interactions
   ========================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

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

.brand-card-new:hover {
    transform: translateY(-4px) scale(1.02);
    border-color: var(--color-primary);
    box-shadow: 0 8px 25px rgba(0, 200, 83, 0.15);
}

.brand-card-new:hover svg {
    transform: translateX(4px);
}

.brand-card-new:active {
    transform: translateY(-2px) scale(1.01);
}

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

.survey-card:hover {
    border-color: rgba(74, 222, 128, 0.4);
    background: linear-gradient(135deg, rgba(30, 41, 59, 0.95), rgba(15, 23, 42, 1));
    box-shadow: 0 4px 20px rgba(74, 222, 128, 0.1);
}

.survey-card:hover svg {
    color: #4ade80;
    transform: translateX(3px);
}

.survey-card:active {
    transform: scale(0.98);
}