:root {
    --color-bg: #faf7f2;
    --color-surface: #ffffff;
    --color-text: #241f1a;
    --color-text-muted: #6b6259;
    --color-border: #e6ded3;
    --color-primary: #b5502f;
    --color-primary-dark: #943f22;
    --color-accent: #2f6b57;
    --color-success-bg: #e5f3ea;
    --color-success-text: #1e6b3c;
    --color-error-bg: #fbe7e2;
    --color-error-text: #a4321a;
    --radius: 8px;
}

@media (prefers-color-scheme: dark) {
    :root {
        --color-bg: #17140f;
        --color-surface: #211c16;
        --color-text: #f2ece2;
        --color-text-muted: #b3a89a;
        --color-border: #382f24;
        --color-primary: #e07850;
        --color-primary-dark: #ef8f66;
        --color-accent: #5fae93;
        --color-success-bg: #16301f;
        --color-success-text: #8fe0ab;
        --color-error-bg: #351712;
        --color-error-text: #f4a08c;
    }
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.5;
}

a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 20px;
}

.site-header {
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
}

.brand {
    font-weight: 700;
    font-size: 1.3rem;
    color: var(--color-text);
}
.brand span { color: var(--color-primary); }

.main-nav a {
    margin-left: 18px;
    color: var(--color-text);
    font-weight: 500;
}
.main-nav a:hover { color: var(--color-primary); }
.main-nav .btn-nav {
    background: var(--color-primary);
    color: #fff;
    padding: 8px 16px;
    border-radius: var(--radius);
}
.main-nav .btn-nav:hover { background: var(--color-primary-dark); text-decoration: none; }

main.container { padding-top: 30px; padding-bottom: 60px; min-height: 60vh; }

.flash {
    padding: 12px 16px;
    border-radius: var(--radius);
    margin-bottom: 16px;
    cursor: pointer;
}
.flash-success { background: var(--color-success-bg); color: var(--color-success-text); }
.flash-error { background: var(--color-error-bg); color: var(--color-error-text); }

.btn {
    display: inline-block;
    border: none;
    border-radius: var(--radius);
    padding: 10px 18px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    text-align: center;
}
.btn-primary { background: var(--color-primary); color: #fff; }
.btn-primary:hover { background: var(--color-primary-dark); text-decoration: none; }
.btn-secondary { background: var(--color-accent); color: #fff; }
.btn-secondary:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-ghost { background: transparent; color: var(--color-text); border: 1px solid var(--color-border); }
.btn-lg { padding: 14px 26px; font-size: 1.05rem; }

.btn-link {
    background: none;
    border: none;
    color: var(--color-primary);
    cursor: pointer;
    padding: 0;
    font: inherit;
    margin-right: 10px;
}
.btn-link.danger { color: var(--color-error-text); }
.inline-form { display: inline; }

/* Auth forms */
.auth-card {
    max-width: 420px;
    margin: 0 auto;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 32px;
}
.auth-card h1 { margin-top: 0; font-size: 1.5rem; }
.auth-alt { margin-top: 16px; text-align: center; color: var(--color-text-muted); }

form label { display: block; margin: 14px 0 6px; font-weight: 600; font-size: 0.9rem; }
form input[type="text"], form input[type="email"], form input[type="password"] {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background: var(--color-bg);
    color: var(--color-text);
    font-size: 1rem;
}
form button[type="submit"] { margin-top: 20px; width: 100%; }
.checkbox-label { display: flex; align-items: center; gap: 8px; font-weight: normal; }

/* Hero */
.hero { text-align: center; padding: 40px 0 20px; }
.hero h1 { font-size: 2.2rem; max-width: 720px; margin: 0 auto 16px; }
.hero-sub { color: var(--color-text-muted); max-width: 560px; margin: 0 auto 28px; }
.hero-actions .btn { margin: 0 8px; }

.features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 50px;
}
.feature-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 22px;
}
.feature-card h3 { margin-top: 0; }
@media (max-width: 720px) {
    .features { grid-template-columns: 1fr; }
}

.badge-premium {
    background: var(--color-primary);
    color: #fff;
    font-size: 0.7rem;
    padding: 2px 8px;
    border-radius: 20px;
    vertical-align: middle;
    margin-left: 6px;
}

/* Dashboard */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
}
.empty-state { color: var(--color-text-muted); }

.song-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 16px;
}
.song-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 18px;
}
.song-card-title { display: block; font-weight: 700; font-size: 1.1rem; margin-bottom: 6px; }
.song-card-date { color: var(--color-text-muted); font-size: 0.85rem; }
.song-card-actions { margin-top: 12px; display: flex; gap: 12px; font-size: 0.9rem; }

/* Editor */
.editor-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 8px;
}
#songTitle {
    flex: 1;
    min-width: 0;
    font-size: 1.4rem;
    font-weight: 700;
    padding: 8px 10px;
    border: 1px solid transparent;
    border-radius: var(--radius);
    background: transparent;
    color: var(--color-text);
}
#songTitle:hover, #songTitle:focus { border-color: var(--color-border); background: var(--color-surface); }
.editor-toolbar-actions { display: flex; align-items: center; gap: 10px; white-space: nowrap; }

@media (max-width: 640px) {
    .editor-toolbar {
        flex-direction: column;
        align-items: stretch;
    }
    .editor-toolbar-actions {
        justify-content: space-between;
    }
}
.save-status { color: var(--color-text-muted); font-size: 0.85rem; }
.editor-hint { color: var(--color-text-muted); font-size: 0.85rem; margin-bottom: 20px; }

.song-editor {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 24px;
    font-family: "Courier New", Courier, monospace;
    font-size: 16px;
}

.line-block { position: relative; margin-bottom: 4px; }
.chord-row {
    position: relative;
    height: 22px;
    cursor: text;
    touch-action: manipulation;
}
.chord-chip {
    position: absolute;
    top: 0;
    color: var(--color-primary);
    font-weight: 700;
    white-space: nowrap;
    cursor: pointer;
    padding: 0 2px;
}
.chord-chip:hover { text-decoration: underline; }
.chord-chip-input {
    position: absolute;
    top: 0;
    width: 70px;
    font-family: inherit;
    font-size: inherit;
    font-weight: 700;
    color: var(--color-primary);
    border: 1px solid var(--color-primary);
    border-radius: 4px;
    padding: 0 2px;
    background: var(--color-surface);
    z-index: 2;
}
.lyric-row { min-height: 24px; }
.lyric-input {
    width: 100%;
    border: none;
    background: transparent;
    color: var(--color-text);
    font-family: inherit;
    font-size: inherit;
    padding: 0;
}
.lyric-input:focus { outline: none; background: var(--color-bg); }

.section-toolbar {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
    font-size: 0.9rem;
}
.section-toolbar label { color: var(--color-text-muted); }
.section-toolbar select {
    padding: 6px 10px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background: var(--color-surface);
    color: var(--color-text);
    font-size: 0.9rem;
}

.section-block {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 20px 0 10px;
    padding-top: 12px;
    border-top: 1px dashed var(--color-border);
}
.line-block:first-child.section-block { margin-top: 0; padding-top: 0; border-top: none; }
.section-input {
    flex: 1;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--color-accent);
    background: transparent;
    border: none;
    padding: 4px 6px;
    border-radius: 4px;
}
.section-input:focus { outline: none; background: var(--color-bg); }
.section-delete {
    background: none;
    border: none;
    color: var(--color-text-muted);
    cursor: pointer;
    font-size: 1.1rem;
    line-height: 1;
    padding: 4px 8px;
}
.section-delete:hover { color: var(--color-error-text); }

@media (max-width: 640px) {
    /* Bigger touch targets: the chord row was only 22px tall (well under
       the ~44px minimum comfortable tap size) and a small font made each
       character - and therefore each tappable column - too narrow to hit
       reliably with a finger. */
    .song-editor { font-size: 19px; padding: 16px 12px; }
    .line-block { margin-bottom: 8px; }
    .chord-row { height: 38px; }
    .chord-chip, .chord-chip-input { top: auto; bottom: 2px; }
    .chord-chip-input { width: 84px; }
}
.char-probe { position: absolute; visibility: hidden; white-space: pre; font-family: inherit; font-size: inherit; }

/* Recording */
.recording-section {
    margin-top: 30px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 22px;
}
.recording-locked { text-align: center; }
#recorderControls { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
#recordTimer { font-family: monospace; font-size: 1.1rem; }
#recordingPlayback audio { width: 100%; margin-bottom: 8px; }

/* Song sheet / print view */
.song-sheet {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 30px;
    font-family: "Courier New", Courier, monospace;
    font-size: 16px;
}
.song-sheet-title { font-family: -apple-system, BlinkMacSystemFont, sans-serif; margin-top: 0; }
.chord-lyric-line { margin-bottom: 4px; }
.cl-chords { color: var(--color-primary); font-weight: 700; white-space: pre; }
.cl-lyrics { white-space: pre; }
.song-section-label {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin: 20px 0 8px;
}
.song-section-label:first-child { margin-top: 0; }

@media print {
    .site-header, .site-footer, .no-print { display: none !important; }
    body { background: #fff; color: #000; }
    .song-sheet { border: none; padding: 0; }
}

/* Account / upgrade */
.account-panel, .upgrade-panel {
    max-width: 600px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 24px;
    margin-bottom: 20px;
}
.upgrade-features { padding-left: 20px; }
.upgrade-features li { margin-bottom: 8px; }

.site-footer {
    border-top: 1px solid var(--color-border);
    padding: 20px 0;
    color: var(--color-text-muted);
    font-size: 0.85rem;
}