/* ===================================
   공공친구 - 아이디 찾기 페이지
   Design System v2.0 (Light Theme)
   =================================== */

/* ========================================
   CSS 변수 (Design System)
   ======================================== */
:root {
    /* Colors */
    --primary: #3C8D99;
    --secondary: #6FCCB4;
    --accent: #FFB347;
    --danger: #EF4444;
    --success: #10B981;
    --warning: #F59E0B;
    --info: #3B82F6;
    
    /* Grays */
    --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;
    
    /* Layout */
    --background: #F8FAFC;
    --surface: #FFFFFF;
    --border: #E5E7EB;
    
    /* Text */
    --text-primary: #1a1a1a;
    --text-secondary: #6b7280;
    --text-light: #F9FAFB;
    
    /* Backgrounds */
    --bg-primary: #ffffff;
    --bg-secondary: #f3f4f6;
    --bg-hover: #f3f4f6;
    
    /* Semantic Backgrounds */
    --success-bg: rgba(16, 185, 129, 0.1);
    --error-bg: rgba(239, 68, 68, 0.1);
    --info-bg: rgba(59, 130, 246, 0.1);
    --primary-bg: rgba(60, 141, 153, 0.1);
    
    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-glow: 0 0 40px rgba(60, 141, 153, 0.15);
    
    /* Font Sizes */
    --text-xs: 12px;
    --text-sm: 14px;
    --text-base: 16px;
    --text-lg: 18px;
    --text-xl: 20px;
    --text-2xl: 24px;
    --text-3xl: 30px;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.23, 1, 0.32, 1);
}

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

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

body {
    font-family: 'Pretendard Variable', 'Noto Sans KR', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--background);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

/* ========================================
   Background
   ======================================== */
.bg-gradient {
    position: fixed;
    inset: 0;
    background: 
        radial-gradient(ellipse at 20% 20%, rgba(60, 141, 153, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 80%, rgba(111, 204, 180, 0.06) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
}

.bg-grid {
    position: fixed;
    inset: 0;
    background-image: 
        linear-gradient(rgba(60, 141, 153, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(60, 141, 153, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, black 0%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
}

/* ========================================
   Main Container
   ======================================== */
.main-container {
    position: relative;
    z-index: 1;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ========================================
   Header
   ======================================== */
.header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) var(--spacing-lg);
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.back-button {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition-normal);
}

.back-button:hover {
    background: var(--bg-hover);
    border-color: var(--gray-300);
    color: var(--text-primary);
    transform: translateX(-2px);
}

.header-title {
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.header-spacer {
    width: 44px;
}

/* ========================================
   Card Container
   ======================================== */
.card-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
    min-height: calc(100vh - 76px);
}

/* ========================================
   Page
   ======================================== */
.page {
    display: none;
    width: 100%;
    max-width: 480px;
    animation: fadeIn 0.4s ease;
}

.page.active {
    display: block;
}

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

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-10px); max-height: 0; }
    to { opacity: 1; transform: translateY(0); max-height: 300px; }
}

/* ========================================
   Card
   ======================================== */
.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl), var(--shadow-glow);
}

.card-header {
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-lg) var(--spacing-lg);
    border-bottom: 1px solid var(--border);
}

.card-icon {
    width: 72px;
    height: 72px;
    margin: 0 auto var(--spacing-md);
    background: linear-gradient(135deg, var(--primary) 0%, #2d6b73 100%);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 24px rgba(60, 141, 153, 0.3);
}

.card-icon svg {
    color: var(--text-light);
}

.card-title {
    font-size: var(--text-2xl);
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    letter-spacing: -0.02em;
}

.card-description {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ========================================
   Step Indicator
   ======================================== */
.step-indicator {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg) var(--spacing-md);
    background: var(--gray-50);
    border-bottom: 1px solid var(--border);
}

.step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
}

.step-number {
    width: 32px;
    height: 32px;
    background: var(--gray-200);
    border: 2px solid var(--gray-300);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-sm);
    font-weight: 700;
    color: var(--text-secondary);
    transition: var(--transition-normal);
}

.step.active .step-number {
    background: linear-gradient(135deg, var(--primary) 0%, #2d6b73 100%);
    border-color: var(--primary);
    color: var(--text-light);
    box-shadow: 0 4px 12px rgba(60, 141, 153, 0.3);
}

.step.completed .step-number {
    background: var(--success);
    border-color: var(--success);
    color: var(--text-light);
}

.step-text {
    font-size: var(--text-xs);
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition-fast);
}

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

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

.step-line {
    width: 40px;
    height: 2px;
    background: var(--gray-300);
    margin: 0 var(--spacing-sm);
    margin-bottom: 20px;
    transition: var(--transition-normal);
}

.step-line.active {
    background: linear-gradient(90deg, var(--primary), var(--secondary));
}

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

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

.form-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--gray-600);
    margin-bottom: var(--spacing-sm);
}

.form-label svg {
    color: var(--primary);
}

.form-input {
    width: 100%;
    padding: 14px 16px;
    background: var(--gray-50);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    font-size: var(--text-base);
    font-family: inherit;
    color: var(--text-primary);
    transition: var(--transition-normal);
}

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

.form-input:focus {
    outline: none;
    border-color: var(--primary);
    background: var(--surface);
    box-shadow: 0 0 0 3px rgba(60, 141, 153, 0.15);
}

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

.form-input.success {
    border-color: var(--success);
    background: var(--success-bg);
}

.form-input.error {
    border-color: var(--danger);
    background: var(--error-bg);
}

/* ========================================
   Input Group
   ======================================== */
.input-group {
    display: flex;
    gap: var(--spacing-sm);
}

.input-group .form-input {
    flex: 1;
}

/* ========================================
   Verification
   ======================================== */
.verification-group {
    display: none;
    animation: slideDown 0.3s ease;
}

.verification-group.show {
    display: block;
}

.verification-input {
    font-size: var(--text-2xl);
    font-weight: 700;
    text-align: center;
    letter-spacing: 8px;
}

/* ========================================
   Timer
   ======================================== */
.timer {
    margin-left: auto;
    font-size: var(--text-sm);
    font-weight: 700;
    color: var(--accent);
    font-variant-numeric: tabular-nums;
}

.timer.warning {
    color: var(--danger);
    animation: pulse 1s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* ========================================
   Buttons
   ======================================== */
.btn-send {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 14px 20px;
    background: linear-gradient(135deg, var(--primary) 0%, #2d6b73 100%);
    border: none;
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    font-weight: 600;
    font-family: inherit;
    color: var(--text-light);
    cursor: pointer;
    white-space: nowrap;
    transition: var(--transition-normal);
}

.btn-send:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(60, 141, 153, 0.3);
}

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

.btn-send.sent {
    background: var(--success);
}

.btn-resend {
    padding: 14px 20px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    font-weight: 600;
    font-family: inherit;
    color: var(--text-secondary);
    cursor: pointer;
    white-space: nowrap;
    transition: var(--transition-normal);
}

.btn-resend:hover:not(:disabled) {
    background: var(--bg-hover);
    border-color: var(--gray-300);
    color: var(--text-primary);
}

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

/* ========================================
   Messages
   ======================================== */
.error-message,
.success-message {
    display: none;
    align-items: center;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    font-size: 13px;
}

.error-message {
    background: var(--error-bg);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: var(--danger);
}

.success-message {
    background: var(--success-bg);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: var(--success);
}

.error-message.show,
.success-message.show {
    display: flex;
}

/* ========================================
   Helper Text
   ======================================== */
.helper-text {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--info-bg);
    border-radius: var(--radius-sm);
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.6;
}

.helper-text svg {
    flex-shrink: 0;
    color: var(--info);
    margin-top: 2px;
}

/* ========================================
   Button Group
   ======================================== */
.button-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
}

.btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    width: 100%;
    padding: 16px 24px;
    border: none;
    border-radius: var(--radius-md);
    font-size: var(--text-base);
    font-weight: 700;
    font-family: inherit;
    cursor: pointer;
    transition: var(--transition-normal);
}

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

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, #2d6b73 100%);
    color: var(--text-light);
    box-shadow: 0 4px 16px rgba(60, 141, 153, 0.25);
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(60, 141, 153, 0.35);
}

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

.btn-secondary:hover:not(:disabled) {
    background: var(--bg-hover);
    border-color: var(--gray-300);
    color: var(--text-primary);
}

.btn-tertiary {
    background: transparent;
    color: var(--text-secondary);
    padding: 12px 24px;
}

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

/* ========================================
   Footer Links
   ======================================== */
.footer-links {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
    padding: var(--spacing-md);
}

.footer-link {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition-fast);
}

.footer-link:hover {
    color: var(--primary);
}

.footer-divider {
    color: var(--gray-300);
}

/* ========================================
   Result
   ======================================== */
.result-card {
    text-align: center;
}

.result-content {
    padding: var(--spacing-2xl) var(--spacing-lg);
}

.result-icon {
    width: 96px;
    height: 96px;
    margin: 0 auto var(--spacing-lg);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.result-icon.success {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.15) 0%, rgba(16, 185, 129, 0.05) 100%);
    border: 2px solid var(--success);
}

.result-icon.success svg {
    color: var(--success);
}

.result-icon.error {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.15) 0%, rgba(239, 68, 68, 0.05) 100%);
    border: 2px solid var(--danger);
}

.result-icon.error svg {
    color: var(--danger);
}

.result-title {
    font-size: var(--text-2xl);
    font-weight: 800;
    margin-bottom: var(--spacing-sm);
    letter-spacing: -0.02em;
}

.result-title.success {
    color: var(--success);
}

.result-title.error {
    color: var(--danger);
}

.result-message {
    font-size: 15px;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.7;
}

.result-email-box {
    background: var(--primary-bg);
    border: 1px solid rgba(60, 141, 153, 0.3);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.result-label {
    font-size: var(--text-xs);
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-sm);
}

.result-email {
    font-size: var(--text-2xl);
    font-weight: 800;
    color: var(--primary);
    word-break: break-all;
    letter-spacing: -0.02em;
}

.result-info {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--gray-50);
    border-radius: var(--radius-sm);
    font-size: 13px;
    color: var(--text-secondary);
}

.result-info svg {
    color: var(--gray-400);
    flex-shrink: 0;
}

.result-buttons {
    padding: 0 var(--spacing-lg) var(--spacing-lg);
    margin-top: 0;
}

/* ========================================
   Loading
   ======================================== */
.loading-overlay {
    position: fixed;
    inset: 0;
    background: rgba(248, 250, 252, 0.9);
    backdrop-filter: blur(8px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.loading-overlay.active {
    display: flex;
}

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

.loading-spinner {
    width: 56px;
    height: 56px;
    border: 4px solid var(--gray-200);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto var(--spacing-md);
}

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

.loading-text {
    font-size: 15px;
    color: var(--text-secondary);
}

/* ========================================
   Toast
   ======================================== */
.toast {
    position: fixed;
    bottom: 100px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-xl);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--text-primary);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-normal);
    z-index: 10000;
}

.toast.show {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

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

.toast.success .toast-icon::before {
    content: '✓';
    color: var(--success);
}

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

.toast.error .toast-icon::before {
    content: '✕';
    color: var(--danger);
}

.toast-icon {
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
}

/* ===================================
   Responsive
   =================================== */

@media (max-width: 768px) {
    .card-container {
        padding: var(--spacing-md);
        justify-content: flex-start;
        padding-top: var(--spacing-xl);
    }

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

    .card-icon {
        width: 64px;
        height: 64px;
    }

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

    .card-title {
        font-size: 22px;
    }

    .step-indicator {
        padding: var(--spacing-md);
    }

    .step-number {
        width: 28px;
        height: 28px;
        font-size: var(--text-xs);
    }

    .step-line {
        width: 30px;
    }

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

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

    .back-button {
        width: 40px;
        height: 40px;
    }

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

    .header-spacer {
        width: 40px;
    }

    .card-container {
        padding: var(--spacing-md);
        min-height: calc(100vh - 60px);
    }

    .page {
        max-width: 100%;
    }

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

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

    .card-icon {
        width: 56px;
        height: 56px;
    }

    .card-icon svg {
        width: 24px;
        height: 24px;
    }

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

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

    .step-indicator {
        padding: var(--spacing-sm) var(--spacing-md);
    }

    .step-number {
        width: 24px;
        height: 24px;
        font-size: 11px;
    }

    .step-text {
        font-size: 10px;
    }

    .step-line {
        width: 20px;
        margin: 0 var(--spacing-xs);
        margin-bottom: 16px;
    }

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

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

    .form-label {
        font-size: 13px;
    }

    .form-input {
        padding: 12px 14px;
        font-size: 15px;
    }

    .verification-input {
        font-size: var(--text-xl);
        letter-spacing: 6px;
    }

    .input-group {
        flex-direction: column;
    }

    .btn-send,
    .btn-resend {
        width: 100%;
        justify-content: center;
        padding: 12px 16px;
    }

    .btn {
        padding: 14px 20px;
        font-size: 15px;
    }

    .button-group {
        gap: var(--spacing-sm);
        margin-top: var(--spacing-lg);
    }

    .footer-links {
        margin-top: var(--spacing-lg);
        flex-wrap: wrap;
    }

    .footer-link {
        font-size: 13px;
    }

    .result-content {
        padding: var(--spacing-lg) var(--spacing-md);
    }

    .result-icon {
        width: 72px;
        height: 72px;
    }

    .result-icon svg {
        width: 36px;
        height: 36px;
    }

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

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

    .result-email-box {
        padding: var(--spacing-md);
    }

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

    .result-buttons {
        padding: 0 var(--spacing-md) var(--spacing-md);
    }

    .result-info {
        font-size: var(--text-xs);
        padding: var(--spacing-sm);
    }

    .helper-text {
        font-size: var(--text-xs);
        padding: var(--spacing-sm);
    }

    .toast {
        bottom: 80px;
        left: var(--spacing-md);
        right: var(--spacing-md);
        transform: translateX(0) translateY(100px);
    }

    .toast.show {
        transform: translateX(0) translateY(0);
    }
}

@media (max-width: 360px) {
    .header {
        padding: var(--spacing-xs) var(--spacing-sm);
    }

    .back-button {
        width: 36px;
        height: 36px;
    }

    .header-title {
        font-size: 15px;
    }

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

    .card-header {
        padding: var(--spacing-md) var(--spacing-sm);
    }

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

    .card-icon {
        width: 48px;
        height: 48px;
    }

    .card-icon svg {
        width: 22px;
        height: 22px;
    }

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

    .step-indicator {
        padding: var(--spacing-xs) var(--spacing-sm);
    }

    .step-number {
        width: 22px;
        height: 22px;
        font-size: 10px;
    }

    .step-text {
        display: none;
    }

    .step-line {
        width: 30px;
        margin-bottom: 0;
    }

    .form-input {
        padding: 10px 12px;
        font-size: var(--text-sm);
    }

    .verification-input {
        font-size: var(--text-lg);
        letter-spacing: 4px;
    }

    .btn {
        padding: 12px 16px;
        font-size: var(--text-sm);
    }

    .result-icon {
        width: 64px;
        height: 64px;
    }

    .result-icon svg {
        width: 32px;
        height: 32px;
    }

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

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

/* ========================================
   Focus States
   ======================================== */
.form-input:focus-visible,
.btn:focus-visible,
.back-button:focus-visible,
.footer-link:focus-visible,
.btn-send:focus-visible,
.btn-resend:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

/* ========================================
   Reduced Motion
   ======================================== */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}