:root {
    --bg: #f5f5f5;
    --bg2: #ffffff;
    --fg: #1a1a1a;
    --fg2: #555;
    --accent: #2563eb;
    --accent-hover: #1d4ed8;
    --danger: #dc2626;
    --success: #16a34a;
    --warning: #d97706;
    --border: #e5e5e5;
    --radius: 12px;
    --shadow: 0 1px 3px rgba(0,0,0,0.08);
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
        --bg: #0f0f0f;
        --bg2: #1a1a1a;
        --fg: #e5e5e5;
        --fg2: #999;
        --accent: #3b82f6;
        --accent-hover: #60a5fa;
        --border: #2a2a2a;
        --shadow: 0 1px 3px rgba(0,0,0,0.3);
    }
}
:root[data-theme="dark"] {
    --bg: #0f0f0f;
    --bg2: #1a1a1a;
    --fg: #e5e5e5;
    --fg2: #999;
    --accent: #3b82f6;
    --accent-hover: #60a5fa;
    --border: #2a2a2a;
    --shadow: 0 1px 3px rgba(0,0,0,0.3);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: var(--bg);
    color: var(--fg);
    line-height: 1.5;
    min-height: 100dvh;
    -webkit-text-size-adjust: 100%;
}

.container {
    max-width: 640px;
    margin: 0 auto;
    padding: 16px;
}

/* Header */
.header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 0;
    margin-bottom: 16px;
    border-bottom: 1px solid var(--border);
}
.header h1 { font-size: 1.25rem; font-weight: 600; }
.header-actions { display: flex; gap: 8px; align-items: center; }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 20px;
    border: none;
    border-radius: var(--radius);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s;
    text-decoration: none;
    color: #fff;
    background: var(--accent);
}
.btn:hover { background: var(--accent-hover); }
.btn:active { transform: scale(0.97); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-sm { padding: 6px 12px; font-size: 0.8rem; }
.btn-outline {
    background: transparent;
    color: var(--accent);
    border: 1px solid var(--accent);
}
.btn-outline:hover { background: var(--accent); color: #fff; }
.btn-danger { background: var(--danger); }
.btn-danger:hover { background: #b91c1c; }
.btn-icon {
    width: 36px; height: 36px; padding: 0;
    display: flex; align-items: center; justify-content: center;
    border-radius: 50%;
    background: var(--bg2);
    color: var(--fg);
    border: 1px solid var(--border);
}

/* Forms */
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 0.85rem; color: var(--fg2); margin-bottom: 4px; }
.input {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 1rem;
    background: var(--bg2);
    color: var(--fg);
    outline: none;
}
.input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(37,99,235,0.15); }
textarea.input { resize: vertical; min-height: 80px; }

/* Cards */
.card {
    background: var(--bg2);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 16px;
    margin-bottom: 12px;
    border: 1px solid var(--border);
}

/* Login */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100dvh;
    padding: 16px;
}
.login-box {
    width: 100%;
    max-width: 360px;
}
.login-box h2 { text-align: center; margin-bottom: 24px; font-size: 1.5rem; }

/* Recording */
.record-area {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    padding: 32px 0;
}
.record-btn {
    width: 80px; height: 80px;
    border-radius: 50%;
    border: 4px solid var(--danger);
    background: transparent;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}
.record-btn .inner {
    width: 32px; height: 32px;
    background: var(--danger);
    border-radius: 50%;
    transition: all 0.2s;
}
.record-btn.recording .inner {
    border-radius: 4px;
    width: 28px; height: 28px;
}
.record-btn:active { transform: scale(0.95); }

.timer { font-size: 2rem; font-weight: 300; font-variant-numeric: tabular-nums; }

.level-bar-container {
    width: 200px; height: 6px;
    background: var(--border);
    border-radius: 3px;
    overflow: hidden;
}
.level-bar {
    height: 100%;
    background: var(--success);
    width: 0%;
    transition: width 0.1s;
}

.record-controls {
    display: flex;
    gap: 12px;
    align-items: center;
}

/* Upload area */
.upload-area {
    border: 2px dashed var(--border);
    border-radius: var(--radius);
    padding: 32px;
    text-align: center;
    cursor: pointer;
    transition: border-color 0.2s;
    margin: 16px 0;
    color: var(--fg2);
}
.upload-area:hover { border-color: var(--accent); }
.upload-area.dragover { border-color: var(--accent); background: rgba(37,99,235,0.05); }

/* Meeting list */
.meeting-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    cursor: pointer;
}
.meeting-item:hover { background: rgba(37,99,235,0.05); }
.meeting-title { font-weight: 500; margin-bottom: 2px; }
.meeting-meta { font-size: 0.8rem; color: var(--fg2); }

.badge {
    font-size: 0.7rem;
    padding: 2px 8px;
    border-radius: 10px;
    font-weight: 500;
    white-space: nowrap;
}
.badge-uploading { background: #dbeafe; color: #1e40af; }
.badge-processing, .badge-transcribing, .badge-diarizing, .badge-analyzing, .badge-batch_pending, .badge-writing_vault {
    background: #fef3c7; color: #92400e;
}
.badge-completed { background: #dcfce7; color: #166534; }
.badge-error { background: #fee2e2; color: #991b1b; }
.badge-uploaded { background: #e0e7ff; color: #3730a3; }

/* Detail */
.markdown-preview {
    padding: 16px;
    line-height: 1.7;
    font-size: 0.95rem;
}
.markdown-preview h1 { font-size: 1.5rem; margin: 16px 0 8px; }
.markdown-preview h2 { font-size: 1.2rem; margin: 20px 0 8px; color: var(--accent); border-bottom: 1px solid var(--border); padding-bottom: 4px; }
.markdown-preview ul, .markdown-preview ol { padding-left: 24px; margin: 8px 0; }
.markdown-preview li { margin: 4px 0; }
.markdown-preview p { margin: 8px 0; }
.markdown-preview strong { font-weight: 600; }
.markdown-preview hr { border: none; border-top: 1px solid var(--border); margin: 16px 0; }
.markdown-preview code { background: var(--bg); padding: 1px 4px; border-radius: 4px; font-size: 0.85em; }
.markdown-preview input[type="checkbox"] { margin-right: 6px; }

/* Tab bar */
.tab-bar {
    display: flex;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--bg2);
    border-top: 1px solid var(--border);
    z-index: 100;
    padding-bottom: env(safe-area-inset-bottom, 0);
}
.tab-bar a {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    padding: 8px 0;
    text-decoration: none;
    color: var(--fg2);
    font-size: 0.7rem;
    transition: color 0.15s;
}
.tab-bar a.active { color: var(--accent); }
.tab-bar svg { width: 24px; height: 24px; }

.page { display: none; padding-bottom: 72px; }
.page.active { display: block; }

/* Toast */
.toast {
    position: fixed;
    bottom: 80px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--fg);
    color: var(--bg);
    padding: 10px 20px;
    border-radius: var(--radius);
    font-size: 0.85rem;
    z-index: 200;
    opacity: 0;
    transition: opacity 0.3s;
    pointer-events: none;
}
.toast.show { opacity: 1; }

/* Spinner */
.spinner {
    width: 20px; height: 20px;
    border: 2px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
    display: inline-block;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Wake lock warning */
.wake-warning {
    background: #fef3c7;
    color: #92400e;
    padding: 8px 12px;
    border-radius: var(--radius);
    font-size: 0.8rem;
    margin-bottom: 12px;
}

/* Responsive */
@media (min-width: 768px) {
    .container { padding: 24px; }
    .tab-bar { display: none; }
    .desktop-nav { display: flex !important; }
}