/* ═══════════════════════════════════════════════
   SEO Toolbox – Design System
   ═══════════════════════════════════════════════ */

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

:root {
    --bg:         #f0f2f5;
    --surface:    #ffffff;
    --border:     #e0e0e0;
    --primary:    #2c3e50;
    --accent:     #3498db;
    --accent-h:   #2980b9;
    --green:      #27ae60;
    --green-h:    #1e8449;
    --red:        #e74c3c;
    --red-h:      #c0392b;
    --orange:     #e67e22;
    --purple:     #8e44ad;
    --text:       #333333;
    --text-muted: #888888;
    --shadow:     0 1px 4px rgba(0,0,0,.10);
    --radius:     8px;
    --nav-w:      220px;
}

body {
    font-family: Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    font-size: 14px;
    line-height: 1.5;
}

/* ── Layout ─────────────────────────────────── */
.layout { display: flex; min-height: 100vh; }

.sidebar {
    width: var(--nav-w);
    background: var(--primary);
    color: #ecf0f1;
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0; left: 0; bottom: 0;
    z-index: 100;
    overflow-y: auto;
}

.sidebar-logo {
    padding: 20px 18px 16px;
    border-bottom: 1px solid rgba(255,255,255,.1);
}
.sidebar-logo .logo-title {
    font-size: 17px;
    font-weight: bold;
    color: #fff;
    display: block;
}
.sidebar-logo .logo-sub {
    font-size: 11px;
    color: #95a5a6;
    margin-top: 2px;
    display: block;
}

.sidebar-nav { flex: 1; padding: 10px 0; }
.sidebar-nav a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 11px 18px;
    color: #bdc3c7;
    text-decoration: none;
    font-size: 13px;
    border-left: 3px solid transparent;
    transition: background .15s, color .15s;
}
.sidebar-nav a:hover   { background: rgba(255,255,255,.07); color: #fff; }
.sidebar-nav a.active  { background: rgba(52,152,219,.2); color: #fff; border-left-color: var(--accent); }
.sidebar-nav .nav-icon { font-size: 16px; width: 20px; text-align: center; flex-shrink: 0; }
.sidebar-nav .nav-text { display: flex; flex-direction: column; line-height: 1.25; min-width: 0; }
.sidebar-nav .nav-label { font-weight: 600; }
.sidebar-nav .nav-desc  { font-size: 11px; color: #7f8c8d; margin-top: 2px; white-space: normal; }
.sidebar-nav a:hover .nav-desc, .sidebar-nav a.active .nav-desc { color: #95a5a6; }
.sidebar-nav .nav-sep  { height: 1px; background: rgba(255,255,255,.08); margin: 8px 0; }

.sidebar-footer {
    padding: 14px 18px;
    border-top: 1px solid rgba(255,255,255,.1);
    font-size: 12px;
    color: #7f8c8d;
}
.sidebar-footer a { color: #e74c3c; text-decoration: none; }
.sidebar-footer a:hover { color: #f1948a; }

.main {
    margin-left: var(--nav-w);
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.topbar {
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: 14px 28px;
    display: flex;
    align-items: center;
    gap: 12px;
    position: sticky;
    top: 0;
    z-index: 50;
    box-shadow: var(--shadow);
}
.topbar h1 { font-size: 18px; color: var(--primary); margin: 0; }
.topbar .topbar-sub { font-size: 12px; color: var(--text-muted); margin-left: 4px; }

.content { padding: 24px 28px; flex: 1; }

/* ── Cards ──────────────────────────────────── */
.card {
    background: var(--surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 20px 24px;
    margin-bottom: 20px;
}
.card-title {
    font-size: 15px;
    font-weight: bold;
    color: var(--primary);
    margin-bottom: 14px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border);
}

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 20px; }

/* ── Stat tiles ─────────────────────────────── */
.stat-tile {
    background: var(--surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 18px 20px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.stat-tile .stat-val  { font-size: 28px; font-weight: bold; color: var(--primary); }
.stat-tile .stat-lbl  { font-size: 12px; color: var(--text-muted); }
.stat-tile.green .stat-val { color: var(--green); }
.stat-tile.red   .stat-val { color: var(--red); }
.stat-tile.blue  .stat-val { color: var(--accent); }

/* ── Buttons ─────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border: 0;
    border-radius: 5px;
    cursor: pointer;
    font-size: 13px;
    font-weight: bold;
    text-decoration: none;
    transition: background .15s, opacity .15s;
    white-space: nowrap;
}
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn-primary { background: var(--accent);  color: #fff; }
.btn-primary:hover { background: var(--accent-h); color: #fff; }
.btn-success { background: var(--green);   color: #fff; }
.btn-success:hover { background: var(--green-h); color: #fff; }
.btn-danger  { background: var(--red);     color: #fff; }
.btn-danger:hover  { background: var(--red-h);  color: #fff; }
.btn-gray    { background: #95a5a6;         color: #fff; }
.btn-gray:hover    { background: #7f8c8d;   color: #fff; }
.btn-purple  { background: var(--purple);  color: #fff; }
.btn-purple:hover  { background: #7d3c98;  color: #fff; }
.btn-sm { padding: 4px 10px; font-size: 12px; }
.btn-row { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 14px; }

/* ── Forms ───────────────────────────────────── */
.form-group { margin-bottom: 14px; }
.form-group label {
    display: block;
    font-size: 13px;
    font-weight: bold;
    margin-bottom: 5px;
    color: var(--primary);
}
.form-group .hint { font-size: 11px; color: var(--text-muted); margin-top: 3px; }
input[type=text], input[type=email], input[type=password],
input[type=number], select, textarea {
    width: 100%;
    padding: 8px 10px;
    border: 1px solid var(--border);
    border-radius: 5px;
    font-size: 13px;
    font-family: inherit;
    color: var(--text);
    background: #fff;
    transition: border-color .15s;
}
input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(52,152,219,.15);
}
textarea { resize: vertical; font-family: monospace; }
.inline-form { display: flex; gap: 8px; align-items: flex-end; flex-wrap: wrap; }
.inline-form .form-group { margin-bottom: 0; }
.options-row { display: flex; gap: 16px; flex-wrap: wrap; align-items: center; margin: 10px 0; }
.options-row label { display: flex; align-items: center; gap: 6px; font-size: 13px; cursor: pointer; font-weight: normal; }
.options-row select { width: auto; }

/* ── Alerts / Messages ───────────────────────── */
.alert { padding: 10px 14px; border-radius: 5px; font-size: 13px; margin-bottom: 14px; }
.alert-info    { background: #d6eaf8; border-left: 4px solid var(--accent); }
.alert-success { background: #d5f5e3; border-left: 4px solid var(--green); }
.alert-danger  { background: #fadbd8; border-left: 4px solid var(--red); }
.alert-warning { background: #fef9e7; border-left: 4px solid var(--orange); }

/* ── Tables ──────────────────────────────────── */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
thead th {
    background: var(--primary);
    color: #fff;
    padding: 9px 10px;
    text-align: left;
    white-space: nowrap;
    position: sticky;
    top: 0;
}
tbody td { padding: 7px 10px; border-bottom: 1px solid #f0f0f0; vertical-align: top; }
tbody tr:hover td { background: #f8f9fa; }
.url-cell { max-width: 380px; word-break: break-all; }
.url-cell a { color: var(--accent); text-decoration: none; }
.url-cell a:hover { text-decoration: underline; }
.ctx { display: block; font-size: 11px; color: var(--text-muted); font-style: italic; margin-top: 2px; }

/* ── Badges ──────────────────────────────────── */
.badge {
    display: inline-block;
    font-size: 11px;
    padding: 2px 8px;
    border-radius: 10px;
    white-space: nowrap;
    font-weight: bold;
}
.badge-ok      { background: #d5f5e3; color: #1e8449; }
.badge-fail    { background: #fadbd8; color: var(--red-h); }
.badge-error   { background: #fdebd0; color: #a04000; }
.badge-pending { background: #eee;    color: #888; }
.badge-warn    { background: #fef9e7; color: #7d6608; }

/* ── Progress ────────────────────────────────── */
.progress-wrap { background: #e0e0e0; border-radius: 5px; height: 26px; margin: 12px 0 4px; }
.progress-bar  {
    height: 26px; border-radius: 5px;
    background: var(--accent);
    color: #fff; text-align: center;
    line-height: 26px; font-size: 13px; font-weight: bold;
    transition: width .25s;
    width: 0%;
}
.stats-line { font-size: 12px; color: var(--text-muted); min-height: 18px; margin-bottom: 8px; }

/* ── Result rows (link checker) ──────────────── */
.result-row {
    display: flex; align-items: flex-start; gap: 10px;
    padding: 8px 12px; border-radius: 5px; margin-bottom: 4px;
    font-size: 13px;
}
.result-row.found     { background: #eafaf1; border-left: 4px solid var(--green); }
.result-row.not-found { background: #fdf9f9; border-left: 4px solid var(--red); }
.result-row.error     { background: #fdf6f0; border-left: 4px solid var(--orange); }
.result-row.pending   { background: #f5f5f5; border-left: 4px solid #ccc; }
.result-icon  { font-size: 16px; flex-shrink: 0; margin-top: 1px; }
.result-url   { flex: 1; word-break: break-all; }
.result-url a { color: var(--accent); text-decoration: none; }
.result-url a:hover { text-decoration: underline; }
.result-time  { font-size: 11px; color: #aaa; flex-shrink: 0; }

/* ── Login page ──────────────────────────────── */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary);
}
.login-box {
    background: var(--surface);
    border-radius: var(--radius);
    padding: 36px 40px;
    width: 360px;
    box-shadow: 0 4px 20px rgba(0,0,0,.25);
}
.login-box .login-logo { font-size: 22px; font-weight: bold; color: var(--primary); margin-bottom: 6px; }
.login-box .login-sub  { font-size: 13px; color: var(--text-muted); margin-bottom: 24px; }

/* ── Pager ────────────────────────────────────── */
.pager { display: flex; gap: 6px; flex-wrap: wrap; align-items: center; margin-top: 14px; font-size: 13px; }
.pager a { padding: 4px 10px; border: 1px solid var(--border); border-radius: 4px; color: var(--accent); text-decoration: none; background: var(--surface); }
.pager a:hover { background: var(--accent); color: #fff; }
.pager-cur { padding: 4px 10px; border: 1px solid var(--accent); border-radius: 4px; background: var(--accent); color: #fff; font-weight: bold; }

/* ── Logi ─────────────────────────────────────── */
.log-row td { border-bottom: 1px solid var(--border); }
.log-ok    td:first-child { border-left: 3px solid var(--green); }
.log-warn  td:first-child { border-left: 3px solid var(--orange); }
.log-error td:first-child { border-left: 3px solid var(--red); }
.log-info  td:first-child { border-left: 3px solid #bbb; }

/* ── Misc ─────────────────────────────────────── */
.sep { height: 1px; background: var(--border); margin: 16px 0; }
.text-muted { color: var(--text-muted); }
.text-sm    { font-size: 12px; }
.mt-8  { margin-top: 8px; }
.mt-14 { margin-top: 14px; }
details summary { cursor: pointer; padding: 8px 12px; background: #f5f5f5; border-radius: 5px; font-size: 13px; }
details[open] summary { margin-bottom: 12px; }

@media (max-width: 768px) {
    .sidebar { width: 60px; }
    .sidebar-logo .logo-title,
    .sidebar-logo .logo-sub,
    .sidebar-nav a .nav-text { display: none; }
    .main { margin-left: 60px; }
    .grid-2, .grid-3 { grid-template-columns: 1fr; }
    .content { padding: 16px; }
}