:root {
    --color-base: #faf8ff;
    --color-accent: #8b5cf6;
    --color-accent-light: #a78bfa;
    --color-text: #1f2937;
    --color-text-light: #6b7280;
    --color-white: #ffffff;
    --color-border: #e5e7eb;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    background-color: var(--color-base);
    color: var(--color-text);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header */
header {
    background-color: var(--color-accent);
    color: var(--color-white);
    padding: 1rem 1.25rem;
}

.header-content {
    display: flex;
    justify-content: center;
    align-items: center;
    max-width: 400px;
    margin: 0 auto;
}

.site-title {
    font-size: 1.5rem;
    font-weight: 700;
}

/* Contenido principal */
.main-content {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1.25rem;
}

.login-container {
    background: var(--color-white);
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 400px;
    border: 1px solid var(--color-border);
}

.login-title {
    text-align: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 0.5rem;
}

.login-subtitle {
    text-align: center;
    color: var(--color-text-light);
    margin-bottom: 2rem;
    font-size: 0.95rem;
}

/* Formulario */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--color-text);
    font-size: 0.9rem;
}

.input-container {
    position: relative;
}

.form-input {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: 0.5rem;
    font-size: 0.95rem;
    background: var(--color-white);
    transition: all 0.2s;
}

    .form-input:focus {
        outline: none;
        border-color: var(--color-accent);
        box-shadow: 0 0 0 2px rgba(139, 92, 246, 0.1);
    }

.input-icon {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-light);
}

/* Botón */
.submit-button {
    width: 100%;
    padding: 0.75rem;
    background-color: var(--color-accent);
    color: var(--color-white);
    border: none;
    border-radius: 0.5rem;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s;
    margin-top: 0.5rem;
}

    .submit-button:hover {
        background-color: var(--color-accent-light);
    }

    .submit-button:active {
        transform: translateY(1px);
    }

/* Footer */
footer {
    background-color: var(--color-white);
    padding: 1.5rem;
    text-align: center;
    border-top: 1px solid var(--color-border);
}

.footer-text {
    margin: 0;
    color: var(--color-text-light);
    font-size: 0.85rem;
}

/* Estados de error */
.error-message {
    color: #ef4444;
    font-size: 0.8rem;
    margin-top: 0.25rem;
    display: none;
}

.form-input.error {
    border-color: #ef4444;
}

/* Responsive */
@media (max-width: 480px) {
    .login-container {
        padding: 1.5rem;
    }

    .login-title {
        font-size: 1.3rem;
    }

    .main-content {
        padding: 1rem 1rem 2rem;
    }

    header {
        padding: 1rem;
    }
}