/* ╔══════════════════════════════════════════════════════════════╗
   ║  Shift Happens — Styles                                    ║
   ║  Dark theme, no framework, mobile-first, CSS animations    ║
   ╚══════════════════════════════════════════════════════════════╝ */

/* ── Custom Properties ──────────────────────────────────────────────────────── */

:root {
    --bg: #0a0a0f;
    --card-bg: #14141f;
    --border: #2a2a3a;
    --accent: #ff6b35;
    --accent-hover: #ff8c5a;
    --accent-glow: rgba(255, 107, 53, 0.15);
    --text: #e8e8ed;
    --text-secondary: #8888a0;
    --text-muted: #555568;
    --success: #3fb950;
    --danger: #f85149;
    --warning: #d2991d;
    --radius: 12px;
    --radius-sm: 8px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Light mode overrides */
@media (prefers-color-scheme: light) {
    :root {
        --bg: #f5f5f7;
        --card-bg: #ffffff;
        --border: #dcdce0;
        --text: #1a1a2e;
        --text-secondary: #666680;
        --text-muted: #999aaa;
    }
}

/* ── Reset ──────────────────────────────────────────────────────────────────── */

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

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
    min-height: 100dvh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ── App Layout ─────────────────────────────────────────────────────────────── */

.app {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 100vh;
    min-height: 100dvh;
    padding: 2rem 1rem;
    max-width: 680px;
    margin: 0 auto;
}

/* ── Header ─────────────────────────────────────────────────────────────────── */

.header {
    text-align: center;
    margin-bottom: 1.5rem;
}

.logo {
    font-size: 3rem;
    margin-bottom: 0.25rem;
    animation: logo-bounce 2s ease-in-out infinite;
}

@keyframes logo-bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-6px); }
}

.site-title {
    font-size: 1.8rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, var(--accent), #ff9a6c);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.tagline {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: 0.35rem;
    font-style: italic;
}

/* ── Shift Timer ────────────────────────────────────────────────────────────── */

.shift-timer {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.45rem 1rem;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 100px;
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    transition: border-color var(--transition);
}

.shift-timer.nearly-done {
    border-color: var(--success);
    color: var(--success);
}

.timer-icon {
    font-size: 1rem;
}

/* ── Main Card ──────────────────────────────────────────────────────────────── */

.main-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2.5rem 2rem;
    width: 100%;
    text-align: center;
    position: relative;
    transition: opacity 0.25s ease, transform 0.25s ease;
    min-height: 200px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.main-card.fade-out {
    opacity: 0;
    transform: translateY(-8px);
}

.main-card.fade-in {
    animation: card-enter 0.35s ease forwards;
}

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

.motivation-format {
    font-size: 0.7rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.motivation-content {
    font-size: 1.35rem;
    font-weight: 500;
    line-height: 1.5;
    color: var(--text);
    max-width: 520px;
    quotes: none;
}

.motivation-content::before { content: '« '; color: var(--accent); font-weight: 700; }
.motivation-content::after { content: ' »'; color: var(--accent); font-weight: 700; }

.motivation-author {
    margin-top: 1rem;
    font-style: normal;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* Format-specific styling */
.motivation-content.format-stat {
    font-size: 1.1rem;
    font-family: "SF Mono", "Fira Code", "Cascadia Code", monospace;
}

.motivation-content.format-checklist {
    text-align: left;
    font-size: 1rem;
    line-height: 1.8;
    white-space: pre-line;
}

.motivation-content.format-horoscope {
    font-style: italic;
    font-size: 1.15rem;
}

.motivation-content.format-conseil {
    font-size: 1.2rem;
}

/* ── Actions ────────────────────────────────────────────────────────────────── */

.actions {
    display: flex;
    gap: 0.6rem;
    flex-wrap: wrap;
    justify-content: center;
    margin-top: 1.5rem;
}

.action-btn {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.6rem 1.2rem;
    border-radius: 100px;
    border: 1px solid var(--border);
    background: var(--card-bg);
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 500;
    font-family: inherit;
    cursor: pointer;
    transition: all var(--transition);
    -webkit-tap-highlight-color: transparent;
}

.action-btn:hover {
    border-color: var(--text-muted);
    color: var(--text);
    transform: translateY(-1px);
}

.action-btn:active {
    transform: translateY(0) scale(0.97);
}

.action-btn.primary {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
    font-weight: 600;
    box-shadow: 0 2px 12px var(--accent-glow);
}

.action-btn.primary:hover {
    background: var(--accent-hover);
    border-color: var(--accent-hover);
    box-shadow: 0 4px 20px var(--accent-glow);
}

.action-btn.liked {
    color: var(--danger);
    border-color: var(--danger);
    animation: like-pop 0.4s ease;
}

@keyframes like-pop {
    0% { transform: scale(1); }
    40% { transform: scale(1.15); }
    100% { transform: scale(1); }
}

.action-btn.copied {
    color: var(--success);
    border-color: var(--success);
}

/* ── Suggest Link ───────────────────────────────────────────────────────────── */

.suggest-link {
    margin-top: 1.5rem;
}

.link-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 0.8rem;
    font-family: inherit;
    cursor: pointer;
    text-decoration: underline;
    text-underline-offset: 3px;
    transition: color var(--transition);
    -webkit-tap-highlight-color: transparent;
}

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

/* ── Modal ──────────────────────────────────────────────────────────────────── */

.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    z-index: 100;
    animation: overlay-in 0.2s ease;
}

@keyframes overlay-in {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2rem;
    width: 100%;
    max-width: 440px;
    animation: modal-in 0.3s ease;
}

@keyframes modal-in {
    from { opacity: 0; transform: translateY(16px) scale(0.97); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

.modal-card h2 {
    font-size: 1.2rem;
    margin-bottom: 0.25rem;
}

.modal-sub {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 1.25rem;
}

.modal-card select,
.modal-card textarea,
.modal-card input[type="text"] {
    width: 100%;
    padding: 0.7rem 0.85rem;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text);
    font-size: 0.9rem;
    font-family: inherit;
    margin-bottom: 0.6rem;
    outline: none;
    transition: border-color var(--transition);
    resize: vertical;
}

.modal-card select:focus,
.modal-card textarea:focus,
.modal-card input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.modal-actions {
    display: flex;
    gap: 0.5rem;
    margin-top: 0.25rem;
}

.char-count {
    font-size: 0.7rem;
    color: var(--text-muted);
    text-align: right;
    margin-top: 0.25rem;
}

.success-msg {
    color: var(--success);
    font-size: 0.95rem;
    line-height: 1.5;
    padding: 1rem 0;
}

/* ── Footer ─────────────────────────────────────────────────────────────────── */

.footer {
    margin-top: auto;
    padding-top: 2rem;
    text-align: center;
}

.footer p {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* ── Utility ────────────────────────────────────────────────────────────────── */

.hidden { display: none !important; }

/* ── Responsive ─────────────────────────────────────────────────────────────── */

@media (max-width: 480px) {
    .app { padding: 1.25rem 0.75rem; }

    .site-title { font-size: 1.4rem; }
    .logo { font-size: 2.5rem; }

    .main-card {
        padding: 1.75rem 1.25rem;
        min-height: 180px;
    }

    .motivation-content {
        font-size: 1.1rem;
    }

    .actions {
        gap: 0.4rem;
    }

    .action-btn {
        padding: 0.5rem 0.9rem;
        font-size: 0.8rem;
    }
}

@media (min-width: 768px) {
    .motivation-content {
        font-size: 1.6rem;
    }
}