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

@tailwind base;
@tailwind components;
@tailwind utilities;

:root {
    --red-primary: #DA291C;
    --bg: #FFFFFF;
    --surface: #F8FAFC;
    --text-primary: #0F172A;
    --muted: #6B7280;
    --success: #10B981;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    color: var(--text-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.bg-gradient {
    background: linear-gradient(135deg, #F8FAFC 0%, #E2E8F0 100%);
}

.glass-card {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-radius: 24px;
    padding: 2rem;
    box-shadow: 
        0 4px 6px -1px rgba(0, 0, 0, 0.05),
        0 2px 4px -1px rgba(0, 0, 0, 0.03),
        0 0 0 1px rgba(255, 255, 255, 0.5) inset;
}

@media (min-width: 640px) {
    .glass-card {
        padding: 3rem;
    }
}

@supports not (backdrop-filter: blur(8px)) {
    .glass-card {
        background: rgba(255, 255, 255, 0.95);
    }
}

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

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

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

.privacy-notice {
    background: rgba(248, 250, 252, 0.7);
    border-radius: 12px;
    padding: 1rem;
    border: 1px solid rgba(218, 41, 28, 0.1);
}

.candidate-card {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    border: 2px solid rgba(15, 23, 42, 0.1);
    border-radius: 16px;
    padding: 1.25rem;
    cursor: pointer;
    transition: all 0.2s ease;
    min-height: 44px;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.candidate-card:hover {
    border-color: rgba(218, 41, 28, 0.3);
    box-shadow: 0 4px 12px rgba(218, 41, 28, 0.1);
    transform: translateY(-2px);
}

.candidate-card:focus {
    outline: none;
    border-color: var(--red-primary);
    box-shadow: 0 0 0 3px rgba(218, 41, 28, 0.2);
}

.candidate-card[aria-selected="true"] {
    background: rgba(218, 41, 28, 0.05);
    border-color: var(--red-primary);
    box-shadow: 0 4px 12px rgba(218, 41, 28, 0.15);
}

.candidate-card[aria-selected="true"] .radio-indicator {
    background: var(--red-primary);
    border-color: var(--red-primary);
}

.candidate-card[aria-selected="true"] .radio-indicator::after {
    opacity: 1;
    transform: scale(1);
}

.radio-indicator {
    width: 24px;
    height: 24px;
    min-width: 24px;
    border-radius: 50%;
    border: 2px solid var(--muted);
    background: white;
    position: relative;
    transition: all 0.2s ease;
}

.radio-indicator::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0);
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: white;
    opacity: 0;
    transition: all 0.2s ease;
}

.candidate-info h3 {
    font-weight: 600;
    font-size: 1.125rem;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.candidate-info p {
    font-size: 0.875rem;
    color: var(--muted);
}

.skeleton-card {
    background: linear-gradient(
        90deg,
        rgba(248, 250, 252, 0.7) 25%,
        rgba(226, 232, 240, 0.7) 50%,
        rgba(248, 250, 252, 0.7) 75%
    );
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: 16px;
    height: 80px;
}

@keyframes shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

.submit-button {
    width: 100%;
    min-height: 56px;
    background: var(--red-primary);
    color: white;
    font-weight: 600;
    font-size: 1.125rem;
    border-radius: 12px;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    box-shadow: 0 4px 12px rgba(218, 41, 28, 0.25);
}

.submit-button:hover:not(:disabled) {
    background: #C42419;
    box-shadow: 0 6px 16px rgba(218, 41, 28, 0.35);
    transform: translateY(-1px);
}

.submit-button:active:not(:disabled) {
    transform: translateY(0);
}

.submit-button:focus {
    outline: none;
    box-shadow: 
        0 4px 12px rgba(218, 41, 28, 0.25),
        0 0 0 3px rgba(218, 41, 28, 0.3);
}

.submit-button:disabled {
    background: var(--muted);
    cursor: not-allowed;
    box-shadow: none;
}

.error-message {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    border-radius: 12px;
    padding: 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: #DC2626;
}

.success-icon svg {
    animation: scaleIn 0.3s ease;
}

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

.animate-spin {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.hidden {
    display: none !important;
}

/* Focus visible for keyboard navigation */
*:focus-visible {
    outline: 2px solid var(--red-primary);
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .candidate-card {
        border-width: 3px;
    }
    
    .submit-button {
        border: 2px solid var(--text-primary);
    }
}

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