/* =========================
   RESET BSICO
========================= */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* =========================
   BODY GENERAL
========================= */
body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: #f4f6f9;
    color: #1f2937;
    min-height: 100vh;
    padding: 20px;
}

/* =========================
   HEADERS
========================= */
h1, h2, h3 {
    color: #1f2a44;
    margin-bottom: 10px;
}

/* =========================
   CONTENEDORES
========================= */
.container {
    max-width: 1100px;
    margin: auto;
}

.card {
    background: #ffffff;
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0 4px 12px rgba(0,0,0,.08);
    margin-bottom: 20px;
}

/* =========================
   LOGIN
========================= */
.login-box {
    max-width: 400px;
    margin: 80px auto;
    background: white;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 4px 12px rgba(0,0,0,.1);
}

.login-box h2 {
    text-align: center;
    margin-bottom: 20px;
}

.login-box label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
}

.login-box input {
    width: 100%;
    padding: 10px;
    margin-bottom: 15px;
    border-radius: 6px;
    border: 1px solid #ccc;
    font-size: 14px;
}

/* =========================
   BOTONES
========================= */
.btn {
    display: inline-block;
    padding: 8px 14px;
    border-radius: 6px;
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: background .2s ease;
}

.btn-primary {
    background: #2b6cb0;
    color: #fff;
}
.btn-primary:hover {
    background: #1e4e8c;
}

.btn-secondary {
    background: #4a5568;
    color: #fff;
}
.btn-secondary:hover {
    background: #2d3748;
}

.btn-danger {
    background: #c53030;
    color: #fff;
}
.btn-danger:hover {
    background: #9b2c2c;
}

/* =========================
   DASHBOARD
========================= */
.dashboard {
    max-width: 1100px;
    margin: auto;
}

.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.dashboard-card {
    background: white;
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0 4px 12px rgba(0,0,0,.08);
}

/* =========================
   TABLAS (ADMIN)
========================= */
.table-container {
    max-width: 1100px;
    margin: auto;
    background: #fff;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 4px 12px rgba(0,0,0,.08);
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 10px;
}

th, td {
    padding: 10px 12px;
    border-bottom: 1px solid #ddd;
    text-align: left;
    font-size: 14px;
}

th {
    background: #1f2a44;
    color: white;
    font-weight: 600;
}

tr:hover {
    background: #f1f4fa;
}

/* =========================
   FORMULARIOS
========================= */
form label {
    font-weight: 600;
    display: block;
    margin-top: 10px;
}

form input,
form select {
    width: 100%;
    padding: 10px;
    border-radius: 6px;
    border: 1px solid #ccc;
    margin-top: 5px;
    font-size: 14px;
}

/* =========================
   LINKS
========================= */
a {
    color: #2b6cb0;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* =========================
   ALERTAS / MENSAJES
========================= */
.alert {
    padding: 10px 14px;
    border-radius: 6px;
    margin-bottom: 15px;
    font-size: 14px;
}

.alert-success {
    background: #c6f6d5;
    color: #22543d;
}

.alert-error {
    background: #fed7d7;
    color: #742a2a;
}

/* =========================
   RESPONSIVE
========================= */
@media (max-width: 768px) {
    .dashboard-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    table {
        font-size: 13px;
    }
}