/* ============================================================================
   ESTILOS LOGIN - MODERNO Y PROFESIONAL
   ============================================================================ */

:root {
    --color-primario: #1e3a8a;
    --color-primario-hover: #1e40af;
    --color-secundario: #3b82f6;
    --color-exito: #10b981;
    --color-error: #ef4444;
    --color-info: #0ea5e9;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
}

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

.login-body {
    background: linear-gradient(135deg, #f3f4f6 0%, #e5e7eb 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    padding: 20px;
}

.login-container {
    width: 100%;
    max-width: 420px;
}

.login-card {
    background: white;
    border-radius: 12px;
    box-shadow: 0 20px 40px rgba(30, 58, 138, 0.15);
    overflow: hidden;
    animation: slideUp 0.3s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== HEADER ===== */
.login-header {
    background: linear-gradient(135deg, var(--color-primario) 0%, var(--color-primario-hover) 100%);
    padding: 32px 24px;
    text-align: center;
    color: white;
}

.login-logo {
    font-size: 48px;
    margin-bottom: 12px;
    display: inline-block;
}

.login-title {
    font-size: 24px;
    font-weight: 700;
    margin: 0 0 4px 0;
    letter-spacing: -0.5px;
}

.login-subtitle {
    font-size: 14px;
    opacity: 0.9;
    margin: 0;
    font-weight: 400;
}

/* ===== ALERTAS ===== */
.login-alerts {
    padding: 16px 24px 0;
    min-height: auto;
}

.login-alerts:empty {
    padding: 0;
}

.alert {
    border: none;
    border-radius: 8px;
    padding: 12px 16px;
    font-size: 14px;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    animation: slideDown 0.3s ease-out;
}

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

.alert i {
    font-size: 16px;
    flex-shrink: 0;
}

.alert-error {
    background-color: #fee2e2;
    color: #991b1b;
    border: 1px solid #fecaca;
}

.alert-success {
    background-color: #d1fae5;
    color: #065f46;
    border: 1px solid #a7f3d0;
}

.alert-info {
    background-color: #cffafe;
    color: #164e63;
    border: 1px solid #a5f3fc;
}

.alert .close {
    position: absolute;
    right: 12px;
    padding: 0;
    background: none;
    border: none;
    font-size: 18px;
    opacity: 0.7;
    transition: opacity 0.2s;
}

.alert .close:hover {
    opacity: 1;
}

/* ===== FORMULARIO ===== */
.login-form {
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.form-group-login {
    margin-bottom: 0;
}

.input-group-login {
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    transition: all 0.2s ease;
    background-color: #f9fafb;
    overflow: hidden;
}

.input-group-login:focus-within {
    border-color: var(--color-primario);
    background-color: white;
    box-shadow: 0 0 0 3px rgba(30, 58, 138, 0.1);
}

.input-group-text {
    background: transparent;
    border: none;
    color: var(--color-primario);
    padding: 12px 14px;
    font-size: 16px;
}

.form-control-login {
    border: none;
    background: transparent;
    padding: 12px 0 12px 8px;
    font-size: 15px;
    color: #111827;
    transition: all 0.2s ease;
}

.form-control-login::placeholder {
    color: #9ca3af;
}

.form-control-login:focus {
    outline: none;
    box-shadow: none;
    color: #111827;
}

.form-control-login:-webkit-autofill {
    -webkit-box-shadow: 0 0 0 1000px white inset !important;
    -webkit-text-fill-color: #111827 !important;
}

/* Toggle Password Button */
.btn-login-toggle {
    background: transparent;
    border: none;
    color: var(--color-primario);
    padding: 12px 14px;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-login-toggle:hover {
    color: var(--color-primario-hover);
}

.btn-login-toggle:focus {
    outline: none;
}

/* ===== BOTÓN SUBMIT ===== */
.btn-login {
    background: linear-gradient(135deg, var(--color-primario) 0%, var(--color-primario-hover) 100%);
    color: white;
    border: none;
    padding: 12px 24px;
    font-size: 15px;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 44px;
}

.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(30, 58, 138, 0.3);
    color: white;
}

.btn-login:hover i {
    color: white;
}

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

.btn-login:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* ===== FOOTER ===== */
.login-footer {
    background-color: #f9fafb;
    padding: 16px 24px;
    text-align: center;
    border-top: 1px solid #e5e7eb;
}

.login-footer p {
    font-size: 12px;
    color: #6b7280;
    margin: 0;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 480px) {
    .login-header {
        padding: 24px 20px;
    }

    .login-title {
        font-size: 20px;
    }

    .login-subtitle {
        font-size: 13px;
    }

    .login-form {
        padding: 20px;
    }

    .login-logo {
        font-size: 40px;
    }

    .btn-login {
        font-size: 14px;
    }
}