/**
 * =====================================================
 * ESTILOS CSS - LOGIN
 * Diseño: Corporativo y Profesional
 * Colores: Azul oscuro #25567a, Naranja #f39c12, Blanco
 * =====================================================
 */

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

:root {
    --color-primary: #25567a;
    --color-secondary: #f39c12;
    --color-dark: #1a3a4f;
    --color-light: #ffffff;
    --color-gray: #6c757d;
    --color-gray-light: #f8f9fa;
    --color-border: #dee2e6;
    --color-success: #28a745;
    --color-error: #dc3545;
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
    --transition: all 0.3s ease;
}

/* Body */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-dark) 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

/* Container Principal */
.login-container {
    width: 100%;
    max-width: 450px;
    animation: fadeInUp 0.6s ease;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Card de Login */
.login-card {
    background: var(--color-light);
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    padding: 40px;
    position: relative;
}

/* Logo Container */
.logo-container {
    text-align: center;
    margin-bottom: 30px;
}

.logo {
    max-width: 120px;
    height: auto;
    margin-bottom: 15px;
}

.company-name {
    font-size: 24px;
    font-weight: 700;
    color: var(--color-primary);
    margin: 0;
}

/* Título y Subtítulo */
.login-title {
    font-size: 28px;
    font-weight: 600;
    color: var(--color-dark);
    text-align: center;
    margin-bottom: 10px;
}

.login-subtitle {
    font-size: 14px;
    color: var(--color-gray);
    text-align: center;
    margin-bottom: 30px;
}

/* Alertas (Mensajes Flash) */
.alert {
    padding: 12px 16px;
    border-radius: 6px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.alert-success {
    background-color: #d4edda;
    border: 1px solid #c3e6cb;
    color: #155724;
}

.alert-error {
    background-color: #f8d7da;
    border: 1px solid #f5c6cb;
    color: #721c24;
}

.alert i {
    font-size: 18px;
}

/* Formulario */
.login-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* Form Group */
.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

/* Labels */
.form-label {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-dark);
    display: flex;
    align-items: center;
    gap: 6px;
}

.form-label i {
    color: var(--color-primary);
    font-size: 16px;
}

/* Inputs */
.form-input {
    width: 100%;
    padding: 12px 16px;
    font-size: 15px;
    border: 2px solid var(--color-border);
    border-radius: 6px;
    transition: var(--transition);
    background-color: var(--color-light);
    color: var(--color-dark);
}

.form-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(37, 86, 122, 0.1);
}

.form-input::placeholder {
    color: #adb5bd;
}

/* Password Wrapper */
.password-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.password-wrapper .form-input {
    padding-right: 45px;
}

.toggle-password {
    position: absolute;
    right: 12px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    color: var(--color-gray);
    transition: var(--transition);
}

.toggle-password:hover {
    color: var(--color-primary);
}

.toggle-password i {
    font-size: 18px;
}

/* Botón de Login */
.btn-login {
    width: 100%;
    padding: 14px;
    font-size: 16px;
    font-weight: 600;
    color: var(--color-light);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-dark) 100%);
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-top: 10px;
    box-shadow: var(--shadow-md);
}

.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(37, 86, 122, 0.3);
}

.btn-login:active {
    transform: translateY(0);
}

.btn-login i {
    font-size: 18px;
}

/* Footer */
.login-footer {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid var(--color-border);
    text-align: center;
}

.login-footer p {
    font-size: 12px;
    color: var(--color-gray);
}

/* Responsive */
@media (max-width: 576px) {
    .login-card {
        padding: 30px 20px;
    }

    .login-title {
        font-size: 24px;
    }

    .company-name {
        font-size: 20px;
    }
    
    .logo {
        max-width: 100px;
    }
}

/* Estados de carga */
.btn-login.loading {
    pointer-events: none;
    opacity: 0.7;
}

.btn-login.loading::after {
    content: "";
    width: 16px;
    height: 16px;
    margin-left: 10px;
    border: 2px solid var(--color-light);
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}