/* Configuración General */
:root {
    --primary: #2c3e50;    /* Azul pizarra oscuro */
    --secondary: #27ae60;  /* Verde bosque */
    --accent: #e67e22;     /* Naranja tierra */
    --bg: #f8f9fa;
    --text: #333;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg);
    color: var(--text);
    margin: 0;
    padding: 0;
}

/* Contenedor Principal */
.container {
    max-width: 1000px;
    margin: 40px auto;
    padding: 20px;
}

h1, h2 {
    color: var(--primary);
    border-bottom: 2px solid var(--secondary);
    padding-bottom: 10px;
}

/* Dashboard / Index */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.card {
    background: white;
    padding: 25px;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
    transition: transform 0.2s;
    text-align: center;
}

.card:hover {
    transform: translateY(-5px);
}

.card h3 {
    margin-top: 0;
    color: var(--secondary);
}

/* Botones */
.btn {
    display: inline-block;
    background: var(--primary);
    color: white;
    padding: 10px 20px;
    text-decoration: none;
    border-radius: 6px;
    font-weight: bold;
    transition: background 0.3s;
    border: none;
    cursor: pointer;
}

.btn:hover {
    background: var(--secondary);
}

.btn-save { background: var(--secondary); }
.btn-back { background: #95a5a6; margin-top: 20px; }

/* Formularios */
form {
    background: white;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
}

label {
    display: block;
    margin-top: 15px;
    font-weight: 600;
    color: #555;
}

input[type="text"], 
input[type="file"], 
select, 
textarea {
    width: 100%;
    padding: 12px;
    margin-top: 8px;
    border: 1px solid #ddd;
    border-radius: 6px;
    box-sizing: border-box; /* Para que el padding no ensanche el input */
}

input:focus, textarea:focus {
    outline: none;
    border-color: var(--secondary);
    box-shadow: 0 0 5px rgba(39, 174, 96, 0.2);
}