/* Estilos del formulario de login */

/* Reset y variables */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #667eea;
    --primary-dark: #5568d3;
    --danger: #dc3545;
    --success: #28a745;
    --text: #2d3748;
    --text-light: #718096;
    --bg: #f7fafc;
    --white: #ffffff;
    --shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.login-container {
    width: 100%;
    max-width: 400px;
}

.login-card {
    background: var(--white);
    border-radius: 12px;
    padding: 40px;
    box-shadow: var(--shadow);
}

h1 {
    font-size: 24px;
    color: var(--text);
    margin-bottom: 30px;
    text-align: center;
}

.alert {
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 14px;
}

.alert-error {
    background-color: #fee;
    color: var(--danger);
    border: 1px solid var(--danger);
}

.alert-success {
    background-color: #efe;
    color: var(--success);
    border: 1px solid var(--success);
}

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

label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 8px;
}

input[type="text"],
input[type="password"] {
    width: 100%;
    padding: 12px 16px;
    font-size: 14px;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    transition: border-color 0.3s;
}

input[type="text"]:focus,
input[type="password"]:focus {
    outline: none;
    border-color: var(--primary);
}

.btn-login {
    width: 100%;
    padding: 14px;
    font-size: 16px;
    font-weight: 600;
    color: var(--white);
    background: var(--primary);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.3s, transform 0.1s;
}

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

.btn-login:active {
    transform: scale(0.98);
}

.btn-login:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.message {
    margin-top: 20px;
    padding: 12px;
    border-radius: 8px;
    font-size: 14px;
    text-align: center;
    display: none;
}

.message.show {
    display: block;
}

.message.error {
    background-color: #fee;
    color: var(--danger);
}

.message.success {
    background-color: #efe;
    color: var(--success);
}

/* Responsive */
@media (max-width: 480px) {
    .login-card {
        padding: 30px 20px;
    }
    
    h1 {
        font-size: 20px;
    }
}