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

:root {
    --bg-primary: #0f0f0f;
    --bg-secondary: #171717;
    --bg-tertiary: #1e1e1e;
    --bg-hover: #2a2a2a;
    --text-primary: #ececec;
    --text-secondary: #a0a0a0;
    --text-muted: #6b6b6b;
    --accent: #10a37f;
    --accent-hover: #0d8c6b;
    --accent-dim: rgba(16, 163, 127, 0.12);
    --border: #2a2a2a;
    --code-bg: #141414;
    --danger: #ef4444;
    --sidebar-width: 240px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    display: flex;
    height: 100vh;
    overflow: hidden;
}

/* ====== Login ====== */
.login-overlay {
    position: fixed; inset: 0;
    background: var(--bg-primary);
    display: flex; align-items: center; justify-content: center;
    z-index: 100;
}
.login-box {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 48px 40px;
    width: 100%; max-width: 380px;
    display: flex; flex-direction: column; align-items: center; gap: 16px;
}
.login-box h1 { font-size: 22px; font-weight: 600; }
.login-box p { color: var(--text-muted); font-size: 13px; }
.login-input {
    width: 100%; padding: 12px 16px;
    background: var(--bg-primary); color: var(--text-primary);
    border: 1px solid var(--border); border-radius: 10px;
    font-size: 14px; outline: none; font-family: inherit;
}
.login-input:focus { border-color: var(--accent); }
.login-btn {
    width: 100%; padding: 12px;
    background: var(--accent); color: white; border: none; border-radius: 10px;
    font-size: 14px; font-weight: 500; cursor: pointer; transition: background 0.2s;
}
.login-btn:hover { background: var(--accent-hover); }
.login-btn:disabled { opacity: 0.5; cursor: not-allowed; }
.login-error { color: var(--danger); font-size: 13px; min-height: 18px; }

/* ====== Sidebar ====== */
.sidebar {
    width: var(--sidebar-width);
    background: var(--bg-secondary);
    display: flex; flex-direction: column;
    border-right: 1px solid var(--border);
    transition: transform 0.3s ease;
    z-index: 10;
}
.sidebar.collapsed { transform: translateX(-100%); position: absolute; height: 100%; }
.sidebar-header { padding: 16px 12px 12px; }
.sidebar-brand {
    display: flex; align-items: center; gap: 8px;
    font-size: 14px; font-weight: 600; color: var(--text-primary);
    margin-bottom: 16px;
}
.sidebar-spacer { flex: 1; }
.sidebar-footer {
    padding: 12px;
    border-top: 1px solid var(--border);
}
.user-info {
    display: flex; align-items: center; gap: 8px; margin-bottom: 8px;
}
.user-name { font-size: 13px; font-weight: 500; }
.user-role {
    font-size: 10px; padding: 2px 8px; border-radius: 10px;
    background: var(--bg-hover); color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px;
}
.user-role.admin { background: var(--accent-dim); color: var(--accent); }
.logout-btn {
    width: 100%; background: none; border: 1px solid var(--border);
    color: var(--text-muted); padding: 8px; border-radius: 8px;
    cursor: pointer; font-size: 12px; transition: all 0.2s;
}
.logout-btn:hover { color: var(--danger); border-color: var(--danger); }

/* Tab buttons */
.tab-buttons { display: flex; flex-direction: column; gap: 4px; }
.tab-btn {
    display: flex; align-items: center; gap: 8px;
    width: 100%; padding: 10px 12px;
    background: transparent; color: var(--text-secondary);
    border: none; border-radius: 8px;
    cursor: pointer; font-size: 13px; font-weight: 500;
    transition: all 0.15s; text-align: left;
}
.tab-btn:hover { background: var(--bg-hover); color: var(--text-primary); }
.tab-btn.active { background: var(--accent-dim); color: var(--accent); }
.tab-btn svg { flex-shrink: 0; }

/* ====== Main ====== */
.main { flex: 1; display: flex; flex-direction: column; position: relative; min-width: 0; }
.sidebar-toggle {
    position: absolute; top: 12px; left: 12px; z-index: 5;
    background: transparent; border: none; color: var(--text-secondary);
    cursor: pointer; padding: 6px; border-radius: 6px; transition: background 0.2s;
}
.sidebar-toggle:hover { background: var(--bg-tertiary); }

.hidden { display: none !important; }

/* ====== Transcribe Panel ====== */
.transcribe-panel { flex: 1; overflow-y: auto; display: flex; flex-direction: column; align-items: center; padding: 60px 20px 40px; }
.transcribe-content { max-width: 640px; width: 100%; display: flex; flex-direction: column; align-items: center; gap: 20px; }
.transcribe-logo { color: var(--accent); }
.transcribe-content h1 { font-size: 24px; font-weight: 600; }
.welcome-sub { color: var(--text-muted); font-size: 14px; }

.transcribe-controls { display: flex; align-items: center; gap: 10px; }
.whisper-model-label { font-size: 13px; color: var(--text-secondary); }
.model-select {
    padding: 8px 12px;
    background: var(--bg-tertiary); color: var(--text-primary);
    border: 1px solid var(--border); border-radius: 8px;
    font-size: 13px; cursor: pointer; outline: none;
}
.model-select option { background: var(--bg-secondary); }

.upload-zone {
    width: 100%; border: 2px dashed var(--border); border-radius: 16px;
    padding: 48px 20px; text-align: center; cursor: pointer;
    transition: all 0.3s; display: flex; flex-direction: column;
    align-items: center; gap: 12px; color: var(--text-secondary);
}
.upload-zone:hover, .upload-zone.dragover { border-color: var(--accent); background: var(--accent-dim); color: var(--text-primary); }
.upload-formats { font-size: 11px; color: var(--text-muted); }

.file-info {
    display: flex; align-items: center; gap: 10px;
    padding: 12px 16px; background: var(--bg-tertiary); border: 1px solid var(--border);
    border-radius: 10px; font-size: 14px; width: 100%; max-width: 400px;
}
.file-info span { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.remove-file-btn {
    background: none; border: none; color: var(--text-muted);
    cursor: pointer; font-size: 18px; padding: 0 4px; border-radius: 4px;
}
.remove-file-btn:hover { color: var(--danger); }

.transcribe-btn {
    padding: 12px 40px; background: var(--accent); color: white;
    border: none; border-radius: 12px; font-size: 15px; font-weight: 500;
    cursor: pointer; transition: all 0.2s;
}
.transcribe-btn:hover { background: var(--accent-hover); transform: translateY(-1px); }

/* Progress */
.transcribe-progress {
    display: flex; flex-direction: column; align-items: center;
    gap: 16px; padding: 32px; color: var(--text-secondary);
}
.progress-spinner {
    width: 36px; height: 36px;
    border: 3px solid var(--border); border-top-color: var(--accent);
    border-radius: 50%; animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.progress-sub { font-size: 12px; color: var(--text-muted); }

/* Result */
.transcribe-result { width: 100%; background: var(--bg-tertiary); border: 1px solid var(--border); border-radius: 12px; overflow: hidden; }
.result-header {
    padding: 12px 16px; border-bottom: 1px solid var(--border);
    display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 8px;
}
.result-meta { display: flex; gap: 6px; flex-wrap: wrap; }
.meta-tag {
    font-size: 11px; padding: 3px 8px; border-radius: 6px;
    background: var(--bg-hover); color: var(--text-secondary);
}
.result-actions { display: flex; gap: 6px; flex-wrap: wrap; }
.action-btn {
    padding: 6px 12px; background: var(--accent-dim); color: var(--accent);
    border: none; border-radius: 6px; font-size: 12px; font-weight: 500;
    cursor: pointer; transition: all 0.2s;
}
.action-btn:hover { background: var(--accent); color: white; }
.action-btn.secondary { background: var(--bg-hover); color: var(--text-secondary); }
.action-btn.secondary:hover { background: var(--border); color: var(--text-primary); }

.result-text { padding: 16px; font-size: 14px; line-height: 1.8; max-height: 500px; overflow-y: auto; }
.segment { margin-bottom: 6px; }
.segment-time { font-size: 11px; color: var(--accent); font-family: 'Consolas', monospace; margin-right: 8px; }

/* ====== Progress Bar ====== */
.progress-bar-wrap {
    width: 100%; max-width: 300px; height: 4px;
    background: var(--border); border-radius: 2px; overflow: hidden;
}
.progress-bar {
    height: 100%; background: var(--accent); border-radius: 2px;
    transition: width 0.5s ease;
}

/* ====== Video Results ====== */
.video-panel { flex: 1; overflow-y: auto; padding: 60px 24px 40px; }
.video-result-card {
    background: var(--bg-tertiary); border: 1px solid var(--border);
    border-radius: 12px; padding: 20px; margin-bottom: 12px; width: 100%;
}
.video-result-card h2 { font-size: 18px; font-weight: 600; margin-bottom: 4px; }
.video-result-card h3 { font-size: 15px; font-weight: 600; margin-bottom: 12px; color: var(--text-secondary); }

.topic-item {
    display: flex; gap: 12px; padding: 10px 0;
    border-bottom: 1px solid var(--border); font-size: 13px;
}
.topic-item:last-child { border-bottom: none; }
.topic-time { color: var(--accent); font-family: 'Consolas', monospace; white-space: nowrap; min-width: 50px; }
.topic-label { font-weight: 500; }
.topic-summary { color: var(--text-muted); font-size: 12px; margin-top: 2px; }

.cut-item {
    display: flex; align-items: center; gap: 12px;
    padding: 8px 0; border-bottom: 1px solid var(--border); font-size: 13px;
}
.cut-item:last-child { border-bottom: none; }
.cut-time {
    color: var(--accent); font-family: 'Consolas', monospace;
    background: var(--accent-dim); padding: 4px 10px; border-radius: 6px;
}

/* ====== Media Panel ====== */
.media-panel { flex: 1; overflow-y: auto; padding: 60px 24px 40px; }
.media-content { max-width: 760px; margin: 0 auto; display: flex; flex-direction: column; gap: 20px; }
.media-content h1 { font-size: 24px; font-weight: 600; }
.media-content h2 { font-size: 16px; font-weight: 600; color: var(--text-secondary); }

.media-input-group {
    display: flex; gap: 8px; align-items: center; flex-wrap: wrap;
}
.media-url-input {
    flex: 1; min-width: 200px; padding: 12px 16px;
    background: var(--bg-tertiary); color: var(--text-primary);
    border: 1px solid var(--border); border-radius: 10px;
    font-size: 14px; outline: none; font-family: inherit;
}
.media-url-input:focus { border-color: var(--accent); }
.media-url-input::placeholder { color: var(--text-muted); }

.media-title {
    padding: 12px 16px; border-bottom: 1px solid var(--border);
    font-size: 14px; font-weight: 500; color: var(--text-secondary);
}

/* ====== Usage / Dashboard ====== */
.dashboard-panel { flex: 1; overflow-y: auto; padding: 60px 24px 40px; }
.dashboard-content { max-width: 960px; margin: 0 auto; }
.dashboard-content h1 { font-size: 24px; font-weight: 600; }

.usage-header { display: flex; flex-direction: column; gap: 16px; margin-bottom: 24px; }
.usage-controls { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; }

.usage-subtabs { display: flex; gap: 4px; background: var(--bg-tertiary); border-radius: 8px; padding: 3px; }
.usage-subtab {
    padding: 7px 16px; border: none; border-radius: 6px; cursor: pointer;
    font-size: 13px; font-weight: 500; background: transparent; color: var(--text-secondary); transition: all 0.15s;
}
.usage-subtab.active { background: var(--bg-hover); color: var(--text-primary); }
.usage-subtab:hover:not(.active) { color: var(--text-primary); }

.date-range-picker { display: flex; gap: 4px; align-items: center; }
.range-btn {
    padding: 6px 12px; border: 1px solid var(--border); border-radius: 6px; cursor: pointer;
    font-size: 12px; background: transparent; color: var(--text-secondary); transition: all 0.15s;
}
.range-btn.active { background: var(--accent-dim); color: var(--accent); border-color: var(--accent); }
.range-btn:hover:not(.active) { border-color: var(--text-muted); }
.date-input {
    padding: 5px 8px; background: var(--bg-tertiary); color: var(--text-primary);
    border: 1px solid var(--border); border-radius: 6px; font-size: 12px; outline: none;
    color-scheme: dark;
}

.stats-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
    gap: 10px; margin-bottom: 24px;
}
.stat-card {
    background: var(--bg-tertiary); border: 1px solid var(--border);
    border-radius: 12px; padding: 16px 14px; text-align: center;
}
.stat-card.accent { border-color: rgba(16, 163, 127, 0.3); }
.stat-value { font-size: 26px; font-weight: 700; margin-bottom: 2px; }
.stat-card.accent .stat-value { color: var(--accent); }
.stat-label { font-size: 11px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.3px; }

.chart-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 16px; }
.chart-grid.cols-3 { grid-template-columns: 1fr 1fr 1fr; }
.chart-card {
    background: var(--bg-tertiary); border: 1px solid var(--border);
    border-radius: 12px; padding: 16px;
}
.chart-card h3 { font-size: 12px; font-weight: 500; color: var(--text-muted); margin-bottom: 12px; text-transform: uppercase; letter-spacing: 0.3px; }
.chart-card canvas { max-height: 200px; }

.dashboard-section { margin-bottom: 24px; }

.logs-table-wrap { overflow-x: auto; border-radius: 10px; border: 1px solid var(--border); }
.logs-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.logs-table th {
    background: var(--bg-tertiary); color: var(--text-muted);
    font-weight: 500; text-align: left; padding: 10px 14px;
    border-bottom: 1px solid var(--border); font-size: 11px; text-transform: uppercase; letter-spacing: 0.5px;
}
.logs-table td { padding: 10px 14px; border-bottom: 1px solid var(--border); color: var(--text-secondary); }
.logs-table tr:last-child td { border-bottom: none; }
.logs-table tr:hover td { background: var(--bg-hover); }
.logs-table code { font-size: 12px; color: var(--accent); background: var(--accent-dim); padding: 2px 6px; border-radius: 4px; }
.logs-empty { text-align: center; color: var(--text-muted); padding: 24px !important; }

.status-ok { color: var(--accent); font-weight: 500; }
.status-err { color: var(--danger); font-weight: 500; }

/* Log row error highlight */
.log-row-error td { background: rgba(239, 68, 68, 0.06) !important; }
.log-row-error:hover td { background: rgba(239, 68, 68, 0.12) !important; }
.error-msg { color: #f87171; font-size: 12px; max-width: 280px; display: inline-block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; cursor: help; }
.no-error { color: var(--text-muted); }

/* Logs filters */
.logs-filters {
    display: flex; gap: 10px; align-items: center; margin-bottom: 14px; flex-wrap: wrap;
}
.logs-filters select {
    background: var(--bg-tertiary); color: var(--text-primary); border: 1px solid var(--border);
    border-radius: 8px; padding: 8px 12px; font-size: 13px; cursor: pointer; outline: none;
}
.logs-filters select:focus { border-color: var(--accent); }
.logs-count { color: var(--text-muted); font-size: 13px; margin-left: auto; }

/* Logs pagination */
.logs-pagination {
    display: flex; gap: 12px; align-items: center; justify-content: center; margin-top: 14px;
}
.logs-pagination span { color: var(--text-secondary); font-size: 13px; }
.logs-pagination button:disabled { opacity: 0.3; cursor: not-allowed; }

/* ====== APIs Panel ====== */
.apis-panel { flex: 1; overflow-y: auto; padding: 60px 24px 40px; }
.apis-content { max-width: 760px; margin: 0 auto; display: flex; flex-direction: column; gap: 20px; }
.apis-content h1 { font-size: 24px; font-weight: 600; }
.apis-content h2 { font-size: 18px; font-weight: 600; margin-top: 8px; }

.api-create-section { width: 100%; }
.api-create-form {
    display: flex; gap: 10px; align-items: center;
    background: var(--bg-tertiary); padding: 16px;
    border-radius: 12px; border: 1px solid var(--border);
}
.api-input {
    flex: 1; padding: 10px 14px;
    background: var(--bg-primary); color: var(--text-primary);
    border: 1px solid var(--border); border-radius: 8px;
    font-size: 14px; outline: none; font-family: inherit;
}
.api-input:focus { border-color: var(--accent); }
.api-create-btn {
    padding: 10px 20px; background: var(--accent); color: white;
    border: none; border-radius: 8px; font-size: 13px; font-weight: 500;
    cursor: pointer; white-space: nowrap; transition: background 0.2s;
}
.api-create-btn:hover { background: var(--accent-hover); }

.api-new-key { width: 100%; background: #0d1f0d; border: 1px solid #1a3a1a; border-radius: 12px; overflow: hidden; }
.api-new-key-header { padding: 10px 16px; background: #1a3a1a; font-size: 12px; color: #6fcf6f; font-weight: 500; }
.api-new-key-value { padding: 12px 16px; display: flex; align-items: center; gap: 12px; }
.api-new-key-value code { flex: 1; font-size: 13px; color: #6fcf6f; font-family: 'Consolas', monospace; word-break: break-all; }

.api-keys-list { width: 100%; }
.api-keys-loading { color: var(--text-muted); text-align: center; padding: 20px; font-size: 13px; }

.api-key-item {
    display: flex; align-items: center; justify-content: space-between;
    padding: 14px 16px; background: var(--bg-tertiary); border: 1px solid var(--border);
    border-radius: 10px; margin-bottom: 8px; transition: border-color 0.2s;
}
.api-key-item:hover { border-color: var(--bg-hover); }
.api-key-info { flex: 1; min-width: 0; }
.api-key-name { font-size: 14px; font-weight: 500; margin-bottom: 4px; }
.api-key-meta { font-size: 12px; color: var(--text-muted); display: flex; gap: 12px; flex-wrap: wrap; }
.api-key-meta code { font-size: 11px; background: var(--bg-hover); padding: 1px 6px; border-radius: 4px; }
.api-key-actions { margin-left: 12px; }
.api-delete-btn {
    background: none; border: 1px solid transparent; color: var(--text-muted);
    cursor: pointer; padding: 6px 12px; border-radius: 6px; font-size: 12px; transition: all 0.2s;
}
.api-delete-btn:hover { color: var(--danger); border-color: var(--danger); background: rgba(239, 68, 68, 0.08); }

/* API Docs */
.api-docs { width: 100%; }
.api-docs-sub { color: var(--text-muted); font-size: 13px; margin-bottom: 16px; }
.api-endpoint {
    background: var(--bg-tertiary); border: 1px solid var(--border);
    border-radius: 12px; padding: 20px; margin-bottom: 12px;
}
.api-endpoint-header { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; }
.api-endpoint-header code { font-size: 14px; font-family: 'Consolas', monospace; }
.api-method { padding: 3px 10px; border-radius: 4px; font-size: 11px; font-weight: 700; letter-spacing: 0.5px; }
.api-method.post { background: #0d2818; color: #4ade80; }
.api-method.get { background: #0d1828; color: #60a5fa; }
.api-endpoint-desc code { background: var(--code-bg); padding: 1px 5px; border-radius: 3px; font-size: 12px; font-family: 'Consolas', monospace; }
.api-endpoint-desc { font-size: 13px; color: var(--text-secondary); margin-bottom: 16px; }

.api-example { border-radius: 8px; overflow: hidden; background: var(--code-bg); }
.api-example pre { margin: 0; }
.api-example pre code { display: block; padding: 14px 16px; overflow-x: auto; font-family: 'Consolas', monospace; font-size: 13px; line-height: 1.5; color: var(--text-primary); }

.code-header {
    display: flex; justify-content: space-between; align-items: center;
    padding: 8px 14px; background: #1a1a1a; font-size: 11px; color: var(--text-muted);
}
.copy-btn {
    background: none; border: none; color: var(--text-muted);
    cursor: pointer; font-size: 11px; padding: 2px 8px; border-radius: 4px; transition: all 0.2s;
}
.copy-btn:hover { background: var(--bg-hover); color: var(--text-primary); }

/* ====== Scrollbar ====== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* ====== Responsive ====== */
@media (max-width: 768px) {
    .sidebar { position: absolute; height: 100%; transform: translateX(-100%); }
    .sidebar.open { transform: translateX(0); }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .api-create-form { flex-direction: column; }
    .api-key-item { flex-direction: column; align-items: flex-start; gap: 8px; }
    .api-key-actions { margin-left: 0; }
    .login-box { margin: 20px; padding: 32px 24px; }
    .result-header { flex-direction: column; }
}