/* ═══════════════════════════════════════════
   英语单词音频合成系统-秀平专用 — 样式表
   主题：白色 / 浅色 / 绿色
   ═══════════════════════════════════════════ */

/* ── CSS 变量 ─────────────────────────────── */
:root {
    --primary: #16A34A;
    --primary-hover: #15803D;
    --primary-light: #F0FDF4;
    --primary-lighter: #DCFCE7;
    --success: #16A34A;
    --success-light: #F0FDF4;
    --warning: #D97706;
    --warning-light: #FFFBEB;
    --danger: #DC2626;
    --danger-light: #FEF2F2;
    --info: #2563EB;
    --info-light: #EFF6FF;
    --gray-50: #FAFAFA;
    --gray-100: #F5F5F5;
    --gray-200: #E5E5E5;
    --gray-300: #D4D4D4;
    --gray-400: #A3A3A3;
    --gray-500: #737373;
    --gray-600: #525252;
    --gray-700: #404040;
    --gray-800: #262626;
    --gray-900: #171717;
    --radius: 8px;
    --radius-lg: 12px;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.04);
    --shadow: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.05), 0 2px 4px rgba(0,0,0,0.04);
    --shadow-lg: 0 10px 15px rgba(0,0,0,0.06), 0 4px 6px rgba(0,0,0,0.03);
}

/* ── Reset ─────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
    font-size: 14px;
    color: var(--gray-800);
    background: #F2FBF4;
    min-height: 100vh;
}

/* ── Header ────────────────────────────────── */
.header {
    background: #fff;
    color: var(--gray-800);
    padding: 0 24px;
    border-bottom: 2px solid var(--primary-lighter);
    position: sticky;
    top: 0;
    z-index: 100;
}
.header-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 60px;
}
.logo {
    font-size: 18px;
    font-weight: 700;
    letter-spacing: 0.5px;
    color: var(--primary);
}
.subtitle {
    font-size: 13px;
    font-weight: 400;
    color: var(--gray-500);
    margin-left: 6px;
}

/* ── Main ──────────────────────────────────── */
.main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 24px;
}

/* ── Stats Bar ─────────────────────────────── */
.stats-bar {
    display: flex;
    gap: 12px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}
.stat-item {
    background: var(--gray-50);
    border-radius: var(--radius);
    padding: 14px 20px;
    text-align: center;
    min-width: 100px;
    flex: 1;
    border: 1px solid var(--gray-200);
    border-top: 3px solid var(--gray-300);
}
.stat-value {
    display: block;
    font-size: 24px;
    font-weight: 700;
    color: var(--gray-800);
}
.stat-label {
    font-size: 12px;
    color: var(--gray-500);
    margin-top: 2px;
}
.stat-processing { border-top-color: var(--info); }
.stat-completed { border-top-color: var(--success); }
.stat-partial  { border-top-color: var(--warning); }
.stat-failed    { border-top-color: var(--danger); }

/* ── Toolbar ────────────────────────────────── */
.toolbar {
    display: flex;
    gap: 16px;
    margin-bottom: 16px;
    align-items: center;
    flex-wrap: wrap;
}
.filter-group {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--gray-600);
    font-size: 13px;
}

/* ── Input / Select / Textarea ──────────────── */
.input, .select, .textarea {
    padding: 8px 12px;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius);
    font-size: 14px;
    color: var(--gray-800);
    background: #fff;
    transition: border-color 0.15s, box-shadow 0.15s;
    outline: none;
}
.input:focus, .select:focus, .textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(22,163,74,0.1);
}
.input { width: 220px; }
.textarea {
    width: 100%;
    resize: vertical;
    font-family: "SF Mono", "Fira Code", "Consolas", monospace;
    line-height: 1.6;
}

/* ── Buttons ────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 9px 16px;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius);
    background: #fff;
    color: var(--gray-700);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s;
    white-space: nowrap;
    text-decoration: none;
}
.btn:hover {
    background: var(--gray-50);
    border-color: var(--gray-400);
}
.btn:disabled {
    opacity: 0.45;
    cursor: not-allowed;
}
.btn-primary {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}
.btn-primary:hover {
    background: var(--primary-hover);
    border-color: var(--primary-hover);
}
.btn-warning {
    background: var(--warning);
    color: #fff;
    border-color: var(--warning);
}
.btn-warning:hover { background: #B45309; }
.btn-danger {
    background: #fff;
    color: var(--danger);
    border-color: var(--danger);
}
.btn-danger:hover {
    background: var(--danger);
    color: #fff;
}
.btn-sm {
    padding: 5px 12px;
    font-size: 12px;
}
.btn-play {
    width: 32px;
    height: 32px;
    padding: 0;
    justify-content: center;
    border-radius: 50%;
    font-size: 14px;
    color: var(--primary);
    border-color: var(--primary-lighter);
    background: var(--primary-light);
}
.btn-play:hover {
    background: var(--primary-lighter);
}
.btn-close {
    width: 32px;
    height: 32px;
    border: none;
    background: none;
    font-size: 22px;
    cursor: pointer;
    border-radius: 50%;
    color: var(--gray-400);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s;
}
.btn-close:hover {
    background: var(--gray-100);
    color: var(--gray-700);
}

/* ── Table ──────────────────────────────────── */
.card {
    background: #fff;
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
    overflow: hidden;
}
.table-wrap { overflow-x: auto; }
.table {
    width: 100%;
    border-collapse: collapse;
}
.table th {
    background: var(--gray-50);
    padding: 12px 16px;
    text-align: left;
    font-size: 12px;
    font-weight: 600;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--gray-200);
}
.table td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--gray-100);
    vertical-align: middle;
}
.table tbody tr:hover { background: var(--primary-light); }
.table tbody tr:last-child td { border-bottom: none; }

.empty-row td { padding: 0 !important; }
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--gray-400);
}
.empty-icon { font-size: 48px; margin-bottom: 12px; }

/* ── Task link ──────────────────────────────── */
.task-link {
    color: var(--gray-800);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.15s;
}
.task-link:hover { color: var(--primary); }

/* ── Action cell ────────────────────────────── */
.action-cell {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

/* ── Status Badge ───────────────────────────── */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
}
.badge::before {
    content: '';
    width: 7px;
    height: 7px;
    border-radius: 50%;
}
.badge-pending    { background: var(--gray-100); color: var(--gray-600); }
.badge-pending::before { background: var(--gray-400); }
.badge-processing { background: var(--info-light); color: var(--info); }
.badge-processing::before { background: var(--info); animation: pulse 1.2s ease-in-out infinite; }
.badge-completed  { background: var(--success-light); color: var(--success); }
.badge-completed::before { background: var(--success); }
.badge-partial    { background: var(--warning-light); color: var(--warning); }
.badge-partial::before { background: var(--warning); }
.badge-failed     { background: var(--danger-light); color: var(--danger); }
.badge-failed::before { background: var(--danger); }

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50%      { opacity: 0.4; transform: scale(0.75); }
}

/* ── Progress Bar ───────────────────────────── */
.progress-bar-wrap {
    width: 100%;
    height: 8px;
    background: var(--gray-100);
    border-radius: 4px;
    overflow: hidden;
}
.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), #4ADE80);
    border-radius: 4px;
    transition: width 0.4s ease;
}

/* ── Pagination ─────────────────────────────── */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    padding: 16px;
    border-top: 1px solid var(--gray-100);
}
.page-info { font-size: 13px; color: var(--gray-500); }

/* ── Detail View ────────────────────────────── */
.detail-header {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px 24px 0;
}
.detail-header h2 {
    font-size: 18px;
    font-weight: 600;
    color: var(--gray-800);
}
.detail-overview {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    align-items: center;
    padding: 16px 24px;
    border-bottom: 1px solid var(--gray-100);
    background: var(--gray-50);
}
.overview-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.overview-full {
    flex: 1;
    min-width: 200px;
}
.ov-label {
    font-size: 11px;
    font-weight: 500;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.ov-value { font-size: 14px; color: var(--gray-700); }

.detail-actions {
    display: flex;
    gap: 10px;
    padding: 16px 24px;
    border-top: 1px solid var(--gray-100);
    background: var(--gray-50);
}

/* ── Modal ──────────────────────────────────── */
.modal-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    backdrop-filter: blur(2px);
}
.modal {
    background: #fff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    width: 90%;
    max-width: 560px;
    max-height: 90vh;
    overflow-y: auto;
    animation: modalIn 0.2s ease;
}
@keyframes modalIn {
    from { opacity: 0; transform: translateY(-20px) scale(0.97); }
    to   { opacity: 1; transform: translateY(0) scale(1); }
}
.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px 0;
}
.modal-header h3 { font-size: 17px; font-weight: 600; }
.modal-body { padding: 20px 24px; }
.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    padding: 0 24px 20px;
}
.form-group { margin-bottom: 16px; }
.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: 6px;
}
.required { color: var(--danger); }
.form-hint {
    margin-top: 6px;
    font-size: 12px;
    color: var(--gray-500);
}
.form-hint strong { color: var(--primary); }

/* ── Toast ──────────────────────────────────── */
.toast-container {
    position: fixed;
    top: 76px;
    right: 24px;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.toast {
    padding: 12px 20px;
    border-radius: var(--radius);
    font-size: 13px;
    font-weight: 500;
    box-shadow: var(--shadow-md);
    animation: toastIn 0.3s ease;
    max-width: 380px;
}
.toast-success { background: var(--success); color: #fff; }
.toast-error   { background: var(--danger); color: #fff; }
.toast-info    { background: var(--info); color: #fff; }
@keyframes toastIn {
    from { opacity: 0; transform: translateX(30px); }
    to   { opacity: 1; transform: translateX(0); }
}

/* ── Responsive ─────────────────────────────── */
@media (max-width: 768px) {
    .header-inner { flex-direction: column; height: auto; gap: 10px; padding: 14px 0; }
    .logo { font-size: 16px; }
    .main { padding: 16px; }
    .stats-bar { gap: 6px; }
    .stat-item { min-width: 60px; padding: 10px 8px; }
    .stat-value { font-size: 18px; }
    .toolbar { flex-direction: column; align-items: flex-start; }
    .detail-actions { flex-direction: column; }
    .detail-overview { flex-direction: column; align-items: flex-start; }
}

/* ── Form row ────────────────────────────────── */
.form-row {
    display: flex;
    gap: 16px;
}

/* ── Audio bar ──────────────────────────────── */
.audio-bar {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 14px 24px;
    background: var(--primary-light);
    border-bottom: 1px solid var(--primary-lighter);
    flex-wrap: wrap;
}

.error-msg { font-size: 12px; color: var(--danger); }