:root {
    --bg-color: #0f172a;
    --card-bg: #1e293b;
    --text-main: #f8fafc;
    --text-dim: #94a3b8;
    --accent: #3b82f6;
    --accent-hover: #2563eb;
    --success: #22c55e;
    --danger: #ef4444;
    --border: #334155;
    --input-bg: #0f172a;
}

* {
    box-sizing: border-box;
    transition: all 0.2s ease;
}

body { 
    font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif; 
    padding: 20px; 
    background: var(--bg-color); 
    color: var(--text-main);
    margin: 0;
    line-height: 1.5;
}

.container {
    max-width: 500px;
    margin: 0 auto;
}

.card { 
    background: var(--card-bg); 
    padding: 20px; 
    border-radius: 12px;
    border: 1px solid var(--border);
    margin-bottom: 20px; 
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

h2 {
    margin-top: 0;
    font-size: 1.1em;
    border-bottom: 1px solid var(--border);
    padding-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-main);
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
}
.status-ok { background: var(--success); box-shadow: 0 0 8px var(--success); }
.status-off { background: var(--danger); box-shadow: 0 0 8px var(--danger); }

button { 
    width: 100%; 
    padding: 12px 15px; 
    margin: 8px 0; 
    border: 1px solid var(--border); 
    border-radius: 8px;
    background: var(--accent); 
    color: white;
    cursor: pointer; 
    font-size: 15px;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

button svg {
    width: 18px;
    height: 18px;
    fill: currentColor;
}

button:hover { 
    background: var(--accent-hover);
    transform: translateY(-1px);
}

button:active { 
    transform: translateY(0);
}

button.secondary {
    background: var(--border);
    color: var(--text-main);
}

button.secondary:hover {
    background: #475569;
}

input { 
    width: 100%; 
    padding: 12px; 
    margin: 8px 0; 
    border: 1px solid var(--border); 
    border-radius: 8px;
    background: var(--input-bg);
    color: var(--text-main);
    font-size: 15px;
}

input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
}

label { 
    display: block; 
    margin-top: 15px; 
    font-size: 0.85em;
    color: var(--text-dim);
    font-weight: 500;
}

.hidden { 
    display: none !important; 
}

.config-btn { 
    background: transparent;
    border: 1px dashed var(--border);
    color: var(--text-dim);
    font-weight: normal;
    font-size: 0.9em;
    margin-top: 20px;
}

.save-btn {
    background: var(--success);
    border-color: #16a34a;
    margin-top: 20px;
}

.save-btn:hover {
    background: #16a34a;
}

.desc-text {
    font-size: 0.85em;
    color: var(--text-dim);
    margin-bottom: 12px;
}

/* Historial y Utilidades */
.history-item {
    font-size: 0.8em;
    padding: 8px;
    border-bottom: 1px solid var(--border);
    color: var(--text-dim);
    display: flex;
    justify-content: space-between;
}

.input-group {
    position: relative;
}

.toggle-pass {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    cursor: pointer;
    color: var(--text-dim);
    display: flex;
    align-items: center;
}

.toggle-pass svg {
    width: 20px;
    height: 20px;
    fill: currentColor;
}

.help-section {
    font-size: 0.8em;
    color: var(--text-dim);
    margin-top: 10px;
    padding: 10px;
    background: rgba(0,0,0,0.2);
    border-radius: 6px;
}

.icon-header {
    width: 20px;
    height: 20px;
    fill: var(--text-dim);
}