/* =============================================================
   Domain Availability Checker - Dark Dashboard Theme
   ============================================================= */

:root {
    --bg: #0b0e14;
    --bg-panel: #131722;
    --bg-panel-alt: #171c29;
    --border: #232838;
    --text: #e6e9f0;
    --text-muted: #8a90a3;
    --accent: #6c8cff;
    --accent-hover: #8aa4ff;
    --green: #33d69f;
    --red: #ff5c7a;
    --amber: #ffb454;
    --radius: 10px;
    --shadow: 0 4px 24px rgba(0, 0, 0, 0.35);
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    background: var(--bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }

.hidden { display: none !important; }
.muted { color: var(--text-muted); }

/* ---------------------------------------------------------- Topbar */
.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 32px;
    background: var(--bg-panel);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 10;
}

.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 18px; }
.brand-icon { color: var(--accent); font-size: 22px; }

.topnav { display: flex; gap: 24px; }
.topnav a { color: var(--text-muted); font-weight: 500; padding-bottom: 4px; border-bottom: 2px solid transparent; }
.topnav a.active, .topnav a:hover { color: var(--text); border-bottom-color: var(--accent); }

/* ---------------------------------------------------------- Layout */
.dashboard, .settings-main {
    max-width: 1100px;
    margin: 0 auto;
    padding: 32px 24px 80px;
}

.panel {
    background: var(--bg-panel);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
    margin-bottom: 24px;
    box-shadow: var(--shadow);
}

.panel h2 {
    font-size: 15px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted);
    margin: 0 0 16px;
}

.panel h2:not(:first-child) { margin-top: 28px; }

h1 { font-size: 24px; margin: 0 0 4px; }

/* ---------------------------------------------------------- Dropzone */
.dropzone {
    border: 2px dashed var(--border);
    border-radius: var(--radius);
    padding: 40px 20px;
    text-align: center;
    cursor: pointer;
    transition: border-color 0.15s, background 0.15s;
    background: var(--bg-panel-alt);
}

.dropzone:hover, .dropzone.dragover {
    border-color: var(--accent);
    background: rgba(108, 140, 255, 0.06);
}

.dropzone-icon { font-size: 28px; color: var(--accent); margin-bottom: 8px; }
.dropzone-title { font-weight: 600; margin: 4px 0; }
.dropzone-sub { color: var(--text-muted); font-size: 13px; margin: 0; }

.file-info {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 12px;
    padding: 10px 14px;
    background: var(--bg-panel-alt);
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 14px;
}

.btn-link {
    background: none;
    border: none;
    color: var(--accent);
    cursor: pointer;
    font-size: 13px;
    padding: 0;
}
.btn-link:hover { color: var(--accent-hover); text-decoration: underline; }

/* ---------------------------------------------------------- TLD grid */
.tld-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 10px;
    margin-bottom: 8px;
}

.tld-checkbox {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--bg-panel-alt);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 10px 12px;
    font-size: 14px;
    cursor: pointer;
    transition: border-color 0.15s;
}
.tld-checkbox:hover { border-color: var(--accent); }
.tld-checkbox input { accent-color: var(--accent); }

.tld-actions { display: flex; gap: 16px; margin-bottom: 8px; }

/* ---------------------------------------------------------- Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 11px 22px;
    border-radius: 8px;
    border: none;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s, opacity 0.15s;
}

.btn-primary { background: var(--accent); color: #0b0e14; }
.btn-primary:hover:not(:disabled) { background: var(--accent-hover); }
.btn-primary:disabled { opacity: 0.4; cursor: not-allowed; }

.btn-secondary { background: var(--bg-panel-alt); color: var(--text); border: 1px solid var(--border); }
.btn-secondary:hover { border-color: var(--accent); color: var(--accent-hover); }

.upload-actions { display: flex; align-items: center; gap: 16px; margin-top: 20px; }
.error-text { color: var(--red); font-size: 13px; }

/* ---------------------------------------------------------- Progress */
.progress-bar-track {
    height: 10px;
    border-radius: 6px;
    background: var(--bg-panel-alt);
    overflow: hidden;
    border: 1px solid var(--border);
}
.progress-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent), var(--green));
    transition: width 0.3s ease;
}

.progress-meta {
    display: flex;
    justify-content: space-between;
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 8px;
}

.progress-actions { margin-top: 18px; }

/* ---------------------------------------------------------- Stats */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
    gap: 14px;
    margin-top: 22px;
}

.stat-card {
    background: var(--bg-panel-alt);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 16px;
    text-align: center;
}

.stat-label { font-size: 12px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.05em; }
.stat-value { font-size: 26px; font-weight: 700; margin-top: 6px; }

.stat-available .stat-value { color: var(--green); }
.stat-registered .stat-value { color: var(--amber); }
.stat-failed .stat-value { color: var(--red); }

/* ---------------------------------------------------------- Results toolbar */
.results-toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.filter-tabs { display: flex; gap: 6px; background: var(--bg-panel-alt); padding: 4px; border-radius: 8px; border: 1px solid var(--border); }
.filter-tab {
    background: none;
    border: none;
    color: var(--text-muted);
    padding: 7px 14px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
}
.filter-tab.active { background: var(--accent); color: #0b0e14; }

.search-box, .sort-select {
    background: var(--bg-panel-alt);
    border: 1px solid var(--border);
    color: var(--text);
    padding: 9px 12px;
    border-radius: 8px;
    font-size: 13px;
}
.search-box { flex: 1; min-width: 180px; }

/* ---------------------------------------------------------- Table */
.table-wrap { overflow-x: auto; }

.results-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.results-table th {
    text-align: left;
    padding: 10px 14px;
    color: var(--text-muted);
    font-weight: 600;
    border-bottom: 1px solid var(--border);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}
.results-table td { padding: 10px 14px; border-bottom: 1px solid var(--border); }
.results-table tbody tr:hover { background: var(--bg-panel-alt); }

.badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
}
.badge-available { background: rgba(51, 214, 159, 0.15); color: var(--green); }
.badge-registered { background: rgba(255, 180, 84, 0.15); color: var(--amber); }
.badge-failed { background: rgba(255, 92, 122, 0.15); color: var(--red); }

.pagination { display: flex; gap: 6px; justify-content: center; margin-top: 16px; flex-wrap: wrap; }
.pagination button {
    background: var(--bg-panel-alt);
    border: 1px solid var(--border);
    color: var(--text);
    padding: 6px 12px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 13px;
}
.pagination button.active { background: var(--accent); color: #0b0e14; border-color: var(--accent); }

.export-bar {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 20px;
    padding-top: 18px;
    border-top: 1px solid var(--border);
    font-size: 13px;
    color: var(--text-muted);
}

/* ---------------------------------------------------------- Settings page */
.settings-form { margin-top: 24px; }
.settings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
    margin-bottom: 24px;
}
.field { margin-bottom: 20px; }
.field label { display: block; font-weight: 600; margin-bottom: 8px; font-size: 14px; }
.field .hint { font-weight: 400; color: var(--text-muted); font-size: 12px; }
.field input[type="number"] {
    width: 100%;
    background: var(--bg-panel-alt);
    border: 1px solid var(--border);
    color: var(--text);
    padding: 10px 12px;
    border-radius: 8px;
    font-size: 14px;
}

.alert { padding: 12px 16px; border-radius: 8px; margin-bottom: 16px; font-size: 14px; }
.alert-success { background: rgba(51, 214, 159, 0.12); color: var(--green); border: 1px solid rgba(51, 214, 159, 0.3); }
.alert-error { background: rgba(255, 92, 122, 0.12); color: var(--red); border: 1px solid rgba(255, 92, 122, 0.3); }

@media (max-width: 640px) {
    .topbar { padding: 14px 16px; }
    .dashboard, .settings-main { padding: 20px 14px 60px; }
    .panel { padding: 18px; }
}