@import url('https://fonts.googleapis.com/css2?family=Open+Sans:wght@400;500;600;700&family=Poppins:wght@500;600;700&display=swap');

:root {
    --color-primary: #1e3a5f;
    --color-primary-hover: #16304d;
    --color-secondary: #2563eb;
    --color-accent: #059669;
    --color-accent-hover: #047857;

    --color-background: #f8fafc;
    --color-surface: #ffffff;
    --color-foreground: #0f172a;
    --color-muted: #f1f3f5;
    --color-muted-foreground: #64748b;
    --color-border: #e4e7eb;

    --color-destructive: #dc2626;
    --color-destructive-bg: #fee2e2;
    --color-success-bg: #dcfce7;
    --color-warning: #b45309;
    --color-warning-bg: #fef3c7;
    --color-checking: #4338ca;
    --color-checking-bg: #e0e7ff;

    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;

    --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06);
    --shadow-md: 0 4px 16px rgba(15, 23, 42, 0.08);
    --shadow-lg: 0 16px 40px rgba(15, 23, 42, 0.12);

    --font-heading: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-body: 'Open Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    --duration-fast: 150ms;
    --duration-base: 220ms;
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

@media (prefers-color-scheme: dark) {
    :root {
        --color-primary: #5b8dd6;
        --color-primary-hover: #7ba4e0;
        --color-secondary: #60a5fa;
        --color-accent: #34d399;
        --color-accent-hover: #6ee7b7;

        --color-background: #0b1220;
        --color-surface: #111a2c;
        --color-foreground: #f1f5f9;
        --color-muted: #1a2436;
        --color-muted-foreground: #94a3b8;
        --color-border: #253046;

        --color-destructive: #f87171;
        --color-destructive-bg: #3f1d1d;
        --color-success-bg: #113322;
        --color-warning: #fbbf24;
        --color-warning-bg: #3a2c0d;
        --color-checking: #a5b4fc;
        --color-checking-bg: #232355;

        --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
        --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.35);
        --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.45);
    }
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.5;
    background: var(--color-background);
    color: var(--color-foreground);
}

h1, h2, h3 { font-family: var(--font-heading); font-weight: 600; margin: 0; }

a { color: var(--color-secondary); }

.icon { flex-shrink: 0; }

/* ---------- Topbar ---------- */

.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    padding: 14px 24px;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
    flex-wrap: wrap;
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--color-primary);
}

.brand h1 { font-size: 17px; color: var(--color-foreground); }

.topbar-nav {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

/* ---------- Layout ---------- */

.container {
    max-width: 920px;
    margin: 32px auto;
    padding: 0 16px 48px;
}

.card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: 24px;
    margin-bottom: 20px;
}

.card-table { padding: 0; overflow: hidden; }

/* ---------- Login card ---------- */

.login-card {
    max-width: 480px;
    margin: 48px auto 0;
    text-align: center;
    padding: 40px 32px;
}

.login-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    background: var(--color-muted);
    color: var(--color-primary);
}

.login-icon .icon { width: 26px; height: 26px; }

.login-card h2 { font-size: 20px; margin-bottom: 12px; }
.login-card p { color: var(--color-muted-foreground); margin: 0 0 12px; font-size: 14.5px; }

.gate-form {
    display: flex;
    flex-direction: column;
    gap: 18px;
    text-align: left;
    margin-top: 24px;
}
/* .field:last-of-type xoá margin-bottom vì đây là <div> cuối cùng trong form -
   dùng gap ở .gate-form thay vì dựa vào margin nên không bị ăn mất khoảng cách. */
.gate-form .field { margin-bottom: 0; }
.btn-block { width: 100%; justify-content: center; padding-top: 12px; padding-bottom: 12px; }

.btn-google {
    margin-top: 16px;
    background: var(--color-surface);
    color: var(--color-foreground);
    border: 1px solid var(--color-border);
}

.btn-google:hover { background: var(--color-muted); }

/* ---------- Fields ---------- */

.field { margin-bottom: 18px; }
.field:last-of-type { margin-bottom: 0; }

.field-inline { max-width: 320px; }

.hint {
    margin: 0;
    font-size: 13px;
    color: var(--color-muted-foreground);
}

.status-success {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 0 0 16px;
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    background: var(--color-success-bg);
    color: var(--color-accent);
    font-size: 13.5px;
    font-weight: 600;
}
.status-success .icon { width: 18px; height: 18px; }

.status-error {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 0 0 16px;
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    background: var(--color-destructive-bg);
    color: var(--color-destructive);
    font-size: 13.5px;
    font-weight: 600;
}
.status-error .icon { width: 18px; height: 18px; }

/* ---------- Trang nội dung dài (privacy.html...) ---------- */
.prose { max-width: 720px; }
.prose h3 { margin-top: 24px; margin-bottom: 8px; font-size: 15px; }
.prose p { margin: 0 0 12px; line-height: 1.6; }
.prose ul { margin: 0 0 12px; padding-left: 20px; line-height: 1.6; }
.prose li { margin-bottom: 6px; }

.inline-group {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.inline-group input { flex: 1; min-width: 220px; }

.sitemap-add-row { margin-top: 16px; }
.sitemap-list-wrap { margin-top: 16px; border: 1px solid var(--color-border); border-radius: var(--radius-md); }
.sitemap-list-wrap table { min-width: 560px; }

.card-head-row {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 4px;
}
.card-head-row .btn { flex-shrink: 0; }

.daily-projects { display: flex; flex-direction: column; gap: 16px; margin-top: 18px; }

.daily-project {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 18px;
    background: var(--color-muted);
}

.daily-project-head {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
}

.daily-project-name {
    flex: 1;
    font-weight: 600;
    font-size: 15px;
    border: 1px solid transparent;
    background: transparent;
    padding: 6px 8px;
    border-radius: var(--radius-sm);
}
.daily-project-name:hover, .daily-project-name:focus-visible {
    border-color: var(--color-border);
    background: var(--color-surface);
    outline: none;
}

.daily-project-empty {
    text-align: center;
    color: var(--color-muted-foreground);
    padding: 24px;
    border: 1px dashed var(--color-border);
    border-radius: var(--radius-md);
}

label {
    display: flex;
    align-items: center;
    gap: 6px;
    font-weight: 600;
    font-size: 14px;
    margin-bottom: 6px;
}

label .icon { width: 16px; height: 16px; color: var(--color-muted-foreground); }

select, textarea, input[type="text"], input[type="password"] {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-family: inherit;
    background: var(--color-surface);
    color: var(--color-foreground);
    transition: border-color var(--duration-fast) var(--ease-out), box-shadow var(--duration-fast) var(--ease-out);
}

select:disabled { color: var(--color-muted-foreground); cursor: not-allowed; }

textarea { resize: vertical; }

select:focus-visible, textarea:focus-visible, input:focus-visible {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-primary) 20%, transparent);
}

.url-count {
    margin-top: 6px;
    font-size: 12px;
    color: var(--color-muted-foreground);
}

.actions {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 20px;
    flex-wrap: wrap;
}

.progress-text { font-size: 13px; color: var(--color-muted-foreground); }
.submit-progress { margin-top: 8px; }
.submit-progress:empty { display: none; }

/* ---------- Buttons ---------- */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    font-size: 14px;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    text-decoration: none;
    transition: background var(--duration-fast) var(--ease-out), border-color var(--duration-fast) var(--ease-out), transform var(--duration-fast) var(--ease-out);
}

.btn:active { transform: scale(0.98); }
.btn-sm { padding: 8px 14px; font-size: 13px; }

.btn-primary { background: var(--color-primary); color: #fff; }
.btn-primary:hover { background: var(--color-primary-hover); }
.btn-primary:disabled { background: var(--color-muted); color: var(--color-muted-foreground); cursor: not-allowed; }

.btn-outline { background: var(--color-surface); color: var(--color-foreground); border-color: var(--color-border); }
.btn-outline:hover { background: var(--color-muted); }
.btn-outline:disabled { color: var(--color-muted-foreground); cursor: not-allowed; }

.btn-back { margin-bottom: 16px; }

.btn:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-primary) 25%, transparent);
}

/* ---------- Table ---------- */

.table-wrap { overflow-x: auto; }

table { width: 100%; min-width: 640px; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 12px 20px; border-bottom: 1px solid var(--color-border); vertical-align: top; }
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover { background: var(--color-muted); }
th { color: var(--color-muted-foreground); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: 0.03em; }
td.url-cell {
    max-width: 320px;
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 6px;
}
td.url-cell .url-text { word-break: break-all; }

.btn-copy-url {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    padding: 0;
    border: none;
    background: transparent;
    color: var(--color-muted-foreground);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background var(--duration-fast) var(--ease-out), color var(--duration-fast) var(--ease-out);
}
.btn-copy-url:hover { background: var(--color-muted); color: var(--color-foreground); }
.btn-copy-url.copied { color: var(--color-accent); }
.btn-copy-url:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-primary) 25%, transparent);
}
td.suggestion-cell { max-width: 340px; color: var(--color-muted-foreground); }

.row-link { color: var(--color-foreground); font-weight: 600; text-decoration: none; }
.row-link:hover { color: var(--color-secondary); }

.empty-cell {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 40px 20px;
    color: var(--color-muted-foreground);
}

.empty-cell .icon { width: 22px; height: 22px; }

/* ---------- Badges ---------- */

.badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 4px 10px 4px 8px;
    border-radius: 999px;
    font-size: 12.5px;
    font-weight: 600;
}

.badge .icon { width: 14px; height: 14px; }

.badge-indexed { background: var(--color-success-bg); color: var(--color-accent); }
.badge-not-indexed { background: var(--color-destructive-bg); color: var(--color-destructive); }
.badge-error { background: var(--color-warning-bg); color: var(--color-warning); }
.badge-checking { background: var(--color-checking-bg); color: var(--color-checking); }

.badge-checking .icon { animation: spin 1s linear infinite; }

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ---------- History page extras ---------- */

.batch-title { font-size: 20px; margin: 4px 0; }

.batch-meta {
    color: var(--color-muted-foreground);
    font-size: 13px;
    margin: 4px 0 16px;
}

.batch-meta .dot { margin: 0 6px; }

.rename-row { display: flex; gap: 8px; flex-wrap: wrap; }
.rename-row input { max-width: 320px; }

.filter-row { display: flex; gap: 12px; align-items: end; flex-wrap: wrap; }

/* ---------- Responsive ---------- */

@media (max-width: 768px) {
    .topbar { padding: 12px 16px; }
    .container { margin: 20px auto; }
    .card { padding: 18px; }
    .login-card { padding: 32px 20px; margin-top: 24px; }
    .actions { flex-direction: column; align-items: stretch; }
    .actions .btn { width: 100%; justify-content: center; }
    .progress-text { text-align: center; }
}

@media (prefers-reduced-motion: reduce) {
    * { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
}