:root {
    --bg: #1a1a2e;
    --bg-card: #16213e;
    --bg-input: #0f3460;
    --accent: #e94560;
    --green: #00ff88;
    --blue: #0099ff;
    --orange: #ff6b35;
    --gray: #666;
    --text: #eaeaea;
    --text-muted: #999;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

header {
    text-align: center;
    padding: 40px 0 30px;
    border-bottom: 1px solid rgba(233, 69, 96, 0.3);
    margin-bottom: 30px;
}

header h1 { font-size: 2.2em; color: var(--accent); }
header p { color: var(--text-muted); margin-top: 8px; }

.card {
    background: var(--bg-card);
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 24px;
    border: 1px solid rgba(255,255,255,0.05);
}

.card h3 {
    color: var(--accent);
    margin-bottom: 16px;
    font-size: 1.1em;
}

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

.form-group { flex: 1; min-width: 200px; }

.form-group label {
    display: block;
    margin-bottom: 6px;
    color: var(--text-muted);
    font-size: 0.85em;
}

.form-group input, .form-group select {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-input);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 8px;
    color: var(--text);
    font-size: 1em;
    transition: border-color 0.2s;
}

.form-group input:focus, .form-group select:focus {
    outline: none;
    border-color: var(--accent);
}

.btn {
    padding: 12px 28px;
    border: none;
    border-radius: 8px;
    font-size: 1em;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-primary {
    background: var(--accent);
    color: white;
}
.btn-primary:hover { background: #d63850; transform: translateY(-1px); }
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-secondary {
    background: var(--bg-input);
    color: var(--text);
    border: 1px solid rgba(255,255,255,0.1);
}
.btn-secondary:hover { border-color: var(--accent); }

.btn-sm { padding: 6px 14px; font-size: 0.85em; }

.progress-section, .results-section { display: none; }
.progress-section.active, .results-section.active { display: block; }

.progress-bar-container {
    background: var(--bg-input);
    border-radius: 8px;
    height: 12px;
    overflow: hidden;
    margin: 16px 0;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--accent), var(--orange));
    width: 0%;
    transition: width 0.5s ease;
    border-radius: 8px;
}

.progress-stats {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
    margin: 12px 0 20px;
}

.stat { text-align: center; }
.stat-value { font-size: 1.5em; font-weight: 700; color: var(--accent); }
.stat-label { font-size: 0.8em; color: var(--text-muted); }

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 16px;
    font-size: 0.9em;
}

th {
    text-align: left;
    padding: 10px 12px;
    background: var(--bg-input);
    color: var(--text-muted);
    font-weight: 600;
    cursor: pointer;
    user-select: none;
    border-bottom: 2px solid rgba(233, 69, 96, 0.3);
}

th:hover { color: var(--accent); }

td {
    padding: 10px 12px;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

tr:hover td { background: rgba(233, 69, 96, 0.05); }

.status-badge {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 12px;
    font-size: 0.8em;
    font-weight: 600;
    min-width: 45px;
    text-align: center;
}

.status-200 { background: rgba(0,255,136,0.15); color: var(--green); }
.status-301, .status-302 { background: rgba(0,153,255,0.15); color: var(--blue); }
.status-404 { background: rgba(233,69,96,0.15); color: var(--accent); }
.status-500 { background: rgba(255,107,53,0.15); color: var(--orange); }
.status-error, .status-timeout { background: rgba(102,102,102,0.2); color: var(--gray); }

.link-url {
    max-width: 300px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    display: inline-block;
    color: var(--blue);
    text-decoration: none;
}

.link-url:hover { color: var(--accent); }

.filters {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 16px;
}

.filter-btn {
    padding: 6px 14px;
    border-radius: 16px;
    border: 1px solid rgba(255,255,255,0.1);
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.2s;
    font-size: 0.85em;
}

.filter-btn.active, .filter-btn:hover {
    background: var(--accent);
    color: white;
    border-color: var(--accent);
}

.export-btns { margin-top: 16px; display: flex; gap: 8px; }

.auth-section {
    display: flex;
    align-items: center;
    gap: 12px;
}

.auth-section .user-info { color: var(--text-muted); font-size: 0.85em; }
.auth-section .user-info strong { color: var(--accent); }

.tabs {
    display: flex;
    gap: 2px;
    margin-bottom: 24px;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.tab {
    padding: 10px 20px;
    background: transparent;
    color: var(--text-muted);
    border: none;
    cursor: pointer;
    font-size: 0.95em;
    border-bottom: 2px solid transparent;
    transition: all 0.2s;
}

.tab.active { color: var(--accent); border-bottom-color: var(--accent); }
.tab:hover { color: var(--text); }

.tab-content { display: none; }
.tab-content.active { display: block; }

.empty-state {
    text-align: center;
    padding: 40px;
    color: var(--text-muted);
}

.empty-state .icon { font-size: 3em; margin-bottom: 12px; }

.login-card {
    max-width: 420px;
    margin: 60px auto;
}

.login-card h2 { color: var(--accent); margin-bottom: 20px; text-align: center; }

.login-card .form-group { margin-bottom: 16px; }

.login-card .btn { width: 100%; margin-top: 8px; }

.login-card .switch-link {
    text-align: center;
    margin-top: 16px;
    color: var(--text-muted);
    font-size: 0.9em;
}

.login-card .switch-link a { color: var(--accent); cursor: pointer; text-decoration: none; }
.login-card .switch-link a:hover { text-decoration: underline; }

.error-msg {
    color: var(--accent);
    font-size: 0.85em;
    margin-top: 8px;
    display: none;
}

.error-msg.show { display: block; }

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    margin-bottom: 20px;
}

.nav .nav-left { display: flex; align-items: center; gap: 12px; }
.nav .nav-right { display: flex; align-items: center; gap: 12px; }

@media (max-width: 768px) {
    .container { padding: 12px; }
    header h1 { font-size: 1.6em; }
    .form-row { flex-direction: column; }
    .form-group { min-width: 100%; }
    th:nth-child(4), td:nth-child(4) { display: none; }
    .link-url { max-width: 150px; }
}