/* Variables globales de color */

:root {
    --primary-color: #0f5132;
    /* Verde billar oscuro */
    --primary-hover: #146c43;
    --bg-color: #e9ecef;
    --text-dark: #212529;
    --error-color: #dc3545;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: var(--bg-color);
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.login-container {
    width: 100%;
    padding: 20px;
    display: flex;
    justify-content: center;
}

.login-card {
    background: #ffffff;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 400px;
}

.login-header {
    text-align: center;
    margin-bottom: 30px;
}

.login-header h1 {
    color: var(--primary-color);
    font-size: 28px;
    margin-bottom: 5px;
}

.login-header p {
    color: #6c757d;
    font-size: 14px;
}

.input-group {
    margin-bottom: 20px;
}

.input-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-dark);
    font-weight: 500;
}

.input-group input {
    width: 100%;
    padding: 12px;
    border: 1px solid #ced4da;
    border-radius: 6px;
    font-size: 16px;
    transition: border-color 0.3s;
}

.input-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(15, 81, 50, 0.2);
}

.btn-primary {
    width: 100%;
    padding: 12px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.3s;
    margin-top: 10px;
}

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

.error-message {
    background-color: #f8d7da;
    color: var(--error-color);
    padding: 10px;
    border-radius: 6px;
    margin-bottom: 15px;
    font-size: 14px;
    text-align: center;
    border: 1px solid #f5c2c7;
}