:root {
    --primary: #2563eb;
    --primary-hover: #1d4ed8;
    --bg: #f8fafc;
    --surface: #ffffff;
    --text-main: #0f172a;
    --text-muted: #64748b;
    --border: #e2e8f0;
}

body { 
    font-family: system-ui, -apple-system, sans-serif; 
    background-color: var(--bg);
    color: var(--text-main);
    max-width: 800px; /* Widened for table view */
    margin: 40px auto; 
    padding: 20px; 
}

.back-link {
    display: inline-block;
    margin-bottom: 20px;
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
    transition: opacity 0.2s;
}
.back-link:hover { opacity: 0.7; text-decoration: underline; }

.card {
    background: var(--surface);
    padding: 30px;
    border-radius: 16px;
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.05);
    border: 1px solid var(--border);
    animation: fadeUp 0.4s ease-out;
}

h1 { font-size: 1.5rem; margin-top: 0; margin-bottom: 5px; }
.subtitle { color: var(--text-muted); font-size: 0.9rem; margin-top: 0; margin-bottom: 20px; }

.input-group { display: flex; gap: 10px; margin-bottom: 15px; }
input[type="text"] { 
    flex-grow: 1;
    padding: 12px 15px; 
    border: 1px solid var(--border); 
    border-radius: 8px; 
    font-size: 1rem;
    outline: none;
    transition: border-color 0.2s;
}
input[type="text"]:focus { border-color: var(--primary); }

/* --- Toggles Panel --- */
.options-panel { background: var(--bg); padding: 15px; border-radius: 8px; margin-bottom: 15px; border: 1px solid var(--border); display: flex; flex-direction: column; gap: 12px; }
.toggle-row { display: flex; align-items: center; gap: 10px; cursor: pointer; font-size: 0.95rem; }
.toggle-row input[type="checkbox"] { width: 18px; height: 18px; accent-color: var(--primary); cursor: pointer; }

button { 
    background: var(--primary); color: #fff; border: none; padding: 12px 24px; cursor: pointer; border-radius: 8px; font-size: 1rem; font-weight: 600; transition: all 0.2s; display: flex; justify-content: center; align-items: center; gap: 8px; box-shadow: 0 4px 6px -1px rgba(37, 99, 235, 0.2);
}
button:hover:not(:disabled) { background: var(--primary-hover); transform: translateY(-1px); }
button:disabled { background: #94a3b8; cursor: not-allowed; box-shadow: none; transform: none; }

.secondary-btn { width: 100%; background: #0f172a; box-shadow: none; margin-top: 15px; }
.secondary-btn:hover:not(:disabled) { background: #334155; }

.status-msg { font-size: 0.9rem; font-weight: 500; min-height: 20px; margin-bottom: 10px; color: var(--primary); }

/* --- Outputs & Tables --- */
.hidden { display: none !important; }

.textarea-wrapper { position: relative; }
textarea { width: 100%; height: 250px; padding: 15px; border: 1px solid var(--border); border-radius: 8px; font-family: monospace; font-size: 0.9rem; white-space: pre; box-sizing: border-box; resize: vertical; background: var(--bg); color: var(--text-muted); }
textarea:focus { outline: none; border-color: var(--primary); }

.table-container { width: 100%; overflow-x: auto; max-height: 350px; border: 1px solid var(--border); border-radius: 8px; }
table { width: 100%; border-collapse: collapse; text-align: left; font-size: 0.9rem; }
thead { background: #f1f5f9; position: sticky; top: 0; z-index: 10; }
th, td { padding: 12px; border-bottom: 1px solid var(--border); }
th { font-weight: 600; color: #334155; }
td a { color: var(--primary); text-decoration: none; }
td a:hover { text-decoration: underline; }

.spinner { display: none; width: 16px; height: 16px; border: 3px solid rgba(255,255,255,0.3); border-radius: 50%; border-top-color: #fff; animation: spin 1s ease-in-out infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes fadeUp { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }