:root {
    --bg: #0b1220;
    --panel: #0f172a;
    --panel-2: #111827;
    --border: #1f2937;
    --text: #e2e8f0;
    --muted: #94a3b8;
    --primary: #3b82f6;
    --primary-hover: #2563eb;
}

body {
    margin: 0;
    font-family: system-ui, Arial;
    background: var(--bg);
    color: var(--text);
}

/* LAYOUT */
.admin-wrapper {
    display: flex;
    min-height: 100vh;
}

/* SIDEBAR */
.sidebar {
    width: 240px;
    background: var(--panel);
    border-right: 1px solid var(--border);
    padding: 20px;
}

.sidebar h2 {
    font-size: 18px;
    margin-bottom: 20px;
}

.sidebar a {
    display: block;
    padding: 10px;
    margin-bottom: 6px;
    color: var(--muted);
    text-decoration: none;
    border-radius: 8px;
}

.sidebar a:hover {
    background: var(--panel-2);
    color: white;
}

/* MAIN */
.main {
    flex: 1;
    padding: 25px;
}

/* CARDS */
.card {
    background: var(--panel);
    border: 1px solid var(--border);
    padding: 15px;
    border-radius: 10px;
    margin-bottom: 15px;
}

/* BOTONES */
button, .btn {
    background: var(--primary);
    color: white;
    border: none;
    padding: 8px 12px;
    border-radius: 8px;
    cursor: pointer;
}

button:hover, .btn:hover {
    background: var(--primary-hover);
}

/* INPUTS */
input, select {
    width: 100%;
    padding: 10px;
    margin: 6px 0;
    background: var(--panel-2);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: white;
}

/* TABLAS */
table {
    width: 100%;
    border-collapse: collapse;
    background: var(--panel);
    border-radius: 10px;
    overflow: hidden;
}

th, td {
    padding: 10px;
    border-bottom: 1px solid var(--border);
}

th {
    background: #0b1220;
    text-align: left;
    color: var(--muted);
}

/* HEADER TOP */
.topbar {
    background: var(--panel);
    border-bottom: 1px solid var(--border);
    padding: 12px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.login-wrapper {
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background: #0f172a;
}

.login-card {
    background: #1e293b;
    padding: 35px;
    border-radius: 12px;
    width: 360px;
    box-shadow: 0 0 25px rgba(0,0,0,0.5);
    text-align: center;
}

/* inputs controlados SOLO en login */
.login-card input {
    width: 100%;
    padding: 10px;
    margin: 8px 0;
    border-radius: 6px;
    border: none;
    background: #0f172a;
    color: #fff;
    box-sizing: border-box;
}

/* botón */
.login-card button {
    width: 100%;
    padding: 10px;
    background: #3b82f6;
    border: none;
    color: white;
    border-radius: 6px;
    cursor: pointer;
    margin-top: 10px;
}

.login-card button:hover {
    background: #2563eb;
}

/* títulos */
.login-card h2 {
    color: #3b82f6;
    margin-bottom: 5px;
}