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

:root {
    --primary: #22c55e;
    --primary-light: #4ade80;
    --primary-dark: #16a34a;
    --red: #ef4444;
    --red-light: #f87171;
    --yellow: #eab308;
    --yellow-light: #facc15;
    --green: #22c55e;
    --green-light: #4ade80;
    --bg: #0a0a0f;
    --bg-alt: #0f0f1a;
    --surface: #1a1a2e;
    --surface-hover: #252540;
    --glass: rgba(255, 255, 255, 0.06);
    --glass-border: rgba(255, 255, 255, 0.1);
    --text: #e2e8f0;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    --radius: 16px;
    --radius-sm: 10px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="light"] {
    --bg: #f8fafc;
    --bg-alt: #f1f5f9;
    --surface: #ffffff;
    --surface-hover: #f1f5f9;
    --glass: rgba(0, 0, 0, 0.03);
    --glass-border: rgba(0, 0, 0, 0.08);
    --text: #1e293b;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    --shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
}

/* ===== APP LOADER ===== */
.app-loader {
    position: fixed;
    inset: 0;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg);
    transition: opacity 0.4s ease;
}
.app-loader.hidden {
    opacity: 0;
    pointer-events: none;
}
.loader-content {
    text-align: center;
}
.loader-emoji {
    font-size: 3rem;
    animation: loaderPulse 1.2s ease-in-out infinite;
}
.loader-text {
    margin-top: 1rem;
    color: var(--text-secondary);
    font-size: 0.95rem;
}
@keyframes loaderPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.15); }
}

/* ===== SKIP LINK ===== */
.skip-link {
    position: absolute;
    top: -100%;
    left: 1rem;
    padding: 0.75rem 1.5rem;
    background: var(--primary);
    color: #fff;
    border-radius: var(--radius-sm);
    z-index: 10001;
    font-weight: 600;
    text-decoration: none;
    transition: top 0.2s;
}
.skip-link:focus {
    top: 1rem;
}

/* ===== BASE ===== */
html {
    scroll-behavior: smooth;
}
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.app-container {
    max-width: 540px;
    margin: 0 auto;
    padding: 1rem;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ===== HEADER ===== */
.app-header {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0;
}
.theme-toggle {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 50%;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1.2rem;
    transition: var(--transition);
}
.theme-toggle:hover {
    background: var(--surface-hover);
}
.lang-selector select {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    color: var(--text);
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    cursor: pointer;
    min-height: 44px;
}

/* ===== SCREENS ===== */
.screen {
    display: none;
    flex: 1;
    animation: fadeIn 0.4s ease;
}
.screen.active {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ===== START SCREEN ===== */
.start-card {
    text-align: center;
    padding: 2.5rem 1.5rem;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: var(--shadow);
    width: 100%;
}
.start-emoji {
    font-size: 4rem;
    margin-bottom: 1rem;
    animation: flagWave 2s ease-in-out infinite;
}
@keyframes flagWave {
    0%, 100% { transform: rotate(-5deg); }
    50% { transform: rotate(5deg); }
}
.start-card h1 {
    font-size: 1.6rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, var(--red), var(--green));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.subtitle {
    color: var(--text-secondary);
    font-size: 1rem;
    margin-bottom: 2rem;
}
.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    border: none;
    padding: 0.9rem 2.5rem;
    border-radius: var(--radius-sm);
    font-size: 1.05rem;
    font-weight: 700;
    cursor: pointer;
    min-height: 44px;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(34, 197, 94, 0.3);
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(34, 197, 94, 0.4);
}
.btn-primary:active {
    transform: translateY(0);
}

/* ===== QUESTION SCREEN ===== */
.question-card {
    width: 100%;
    padding: 1.5rem;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: var(--shadow);
}
.progress-bar-container {
    width: 100%;
    height: 6px;
    background: var(--surface);
    border-radius: 3px;
    overflow: hidden;
    margin-bottom: 0.75rem;
}
.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--red), var(--yellow), var(--green));
    border-radius: 3px;
    width: 0%;
    transition: width 0.4s ease;
}
.progress-text {
    text-align: center;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 1.25rem;
}
.question-text {
    font-size: 1.15rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 1.5rem;
    line-height: 1.5;
    min-height: 3.5rem;
}
.answers {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}
.btn-answer {
    background: var(--surface);
    border: 1px solid var(--glass-border);
    color: var(--text);
    padding: 0.9rem 1.2rem;
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    cursor: pointer;
    min-height: 44px;
    text-align: left;
    transition: var(--transition);
    line-height: 1.4;
}
.btn-answer:hover {
    background: var(--surface-hover);
    border-color: var(--primary);
    transform: translateX(4px);
}
.btn-answer:active {
    transform: translateX(2px);
}
.btn-answer.selected-green {
    background: rgba(34, 197, 94, 0.15);
    border-color: var(--green);
}
.btn-answer.selected-yellow {
    background: rgba(234, 179, 8, 0.15);
    border-color: var(--yellow);
}
.btn-answer.selected-red {
    background: rgba(239, 68, 68, 0.15);
    border-color: var(--red);
}

/* ===== RESULT SCREEN ===== */
.result-card {
    width: 100%;
    padding: 2rem 1.5rem;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: var(--shadow);
    text-align: center;
}
.result-title {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Archetype */
.archetype-section {
    margin-bottom: 2rem;
}
.archetype-emoji {
    font-size: 3.5rem;
    margin-bottom: 0.75rem;
}
.archetype-title {
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, var(--primary-light), var(--primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.archetype-desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* Flag Ratio Bar */
.flag-section {
    margin-bottom: 2rem;
}
.flag-section h4 {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.flag-bar-container {
    width: 100%;
}
.flag-bar {
    display: flex;
    height: 28px;
    border-radius: 14px;
    overflow: hidden;
    margin-bottom: 0.75rem;
}
.flag-segment {
    transition: width 0.8s ease;
    min-width: 0;
}
.flag-segment.red { background: linear-gradient(90deg, #dc2626, var(--red)); }
.flag-segment.yellow { background: linear-gradient(90deg, #d97706, var(--yellow)); }
.flag-segment.green { background: linear-gradient(90deg, var(--primary-dark), var(--green)); }
.flag-labels {
    display: flex;
    justify-content: space-between;
    font-size: 0.85rem;
    font-weight: 600;
}
.flag-label.red { color: var(--red-light); }
.flag-label.yellow { color: var(--yellow-light); }
.flag-label.green { color: var(--green-light); }

/* Dimensions */
.dimensions-section {
    margin-bottom: 2rem;
    text-align: left;
}
.dimensions-section h4 {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    text-align: center;
}
.dimension {
    display: grid;
    grid-template-columns: 100px 1fr 40px;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
}
.dim-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 500;
}
.dim-bar-bg {
    height: 10px;
    background: var(--surface);
    border-radius: 5px;
    overflow: hidden;
}
.dim-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-dark), var(--primary-light));
    border-radius: 5px;
    width: 0%;
    transition: width 0.8s ease;
}
.dim-value {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--primary-light);
    text-align: right;
}

/* Share Buttons */
.share-section {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}
.btn-share {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.7rem 1.2rem;
    border-radius: var(--radius-sm);
    border: none;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    min-height: 44px;
    transition: var(--transition);
}
.btn-share.twitter {
    background: #1da1f2;
    color: #fff;
}
.btn-share.twitter:hover {
    background: #0d8bd9;
}
.btn-share.copy {
    background: var(--surface);
    color: var(--text);
    border: 1px solid var(--glass-border);
}
.btn-share.copy:hover {
    background: var(--surface-hover);
}

/* ===== FOOTER ===== */
.app-footer {
    text-align: center;
    padding: 1.5rem 0;
    margin-top: auto;
}
.footer-link {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.85rem;
    transition: color 0.2s;
}
.footer-link:hover {
    color: var(--primary);
}

/* ===== ACCESSIBILITY ===== */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    .progress-bar,
    .flag-segment,
    .dim-bar-fill {
        transition: none !important;
    }
}

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

/* ===== RESPONSIVE ===== */
@media (max-width: 400px) {
    .start-card h1 { font-size: 1.35rem; }
    .question-text { font-size: 1.05rem; }
    .dimension { grid-template-columns: 80px 1fr 36px; }
}