/* ============================================
   LOGIN - Estilos para página de inicio de sesión
   Colegio Iberoamericano
   ============================================ */

/* ===== RESET BÁSICO ===== */
html, body {
    margin: 0;
    padding: 0;
    font-family: var(--font-family);
    box-sizing: border-box;
}

*, *::before, *::after {
    box-sizing: border-box;
}

/* ===== LOGIN PAGE ===== */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: url('../media/FondoPrincipal.png') no-repeat center center;
    background-size: cover;
    padding: var(--spacing-xl);
    position: relative;
}

.login-page::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(3, 68, 121, 0.4);
    backdrop-filter: blur(2px);
}

/* ===== LOGIN CONTAINER ===== */
.login-container {
    width: 100%;
    max-width: 450px;
    position: relative;
    z-index: 1;
}

/* ===== LOGIN CARD ===== */
.login-card {
    background: var(--white-color);
    border-radius: var(--border-radius-lg);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
    overflow: hidden;
    animation: loginCardIn 0.5s ease-out;
}

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

/* ===== LOGIN HEADER ===== */
.login-header {
    background: linear-gradient(135deg, var(--blue-color) 0%, var(--blue-muted-color) 100%);
    padding: var(--spacing-xl);
    text-align: center;
}

.login-logo {
    width: 100px;
    height: auto;
    margin: 0 auto var(--spacing-md);
    display: block;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
}

.login-title {
    color: var(--white-color);
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin: 0;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.login-subtitle {
    color: rgba(255, 255, 255, 0.9);
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-xs);
}

/* ===== LOGIN BODY ===== */
.login-body {
    padding: var(--spacing-xl);
}

/* ===== INPUT GROUPS ===== */
.login-input-group {
    margin-bottom: var(--spacing-lg);
    position: relative;
}

.login-input-group label {
    display: block;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--blue-muted-color);
    font-size: var(--font-size-sm);
}

.login-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.login-input-wrapper .fa-lock,
.login-input-wrapper .fa-user {
    position: absolute;
    left: var(--spacing-md);
    color: var(--gray-color);
    font-size: 1rem;
    transition: color 0.2s ease;
    z-index: 1;
    pointer-events: none;
}

.login-input-wrapper .toggle-password {
    position: absolute;
    right: var(--spacing-md);
    color: var(--gray-color);
    font-size: 1rem;
    transition: color 0.2s ease;
    z-index: 1;
    cursor: pointer;
}

.login-input-wrapper .toggle-password:hover {
    color: var(--blue-color);
}

.login-input-wrapper input {
    width: 100%;
    padding: var(--spacing-md);
    padding-left: 2.75rem;
    padding-right: 2.75rem;
    border: 2px solid var(--light-gray-color);
    border-radius: var(--border-radius);
    font-size: var(--font-size-base);
    transition: all 0.3s ease;
    background: var(--white-color);
}

.login-input-wrapper input:focus {
    outline: none;
    border-color: var(--blue-color);
    box-shadow: 0 0 0 3px rgba(3, 68, 121, 0.1);
}

.login-input-wrapper input:focus-visible {
    outline: 3px solid var(--blue-color);
    outline-offset: 1px;
}

.login-input-wrapper input:focus + .fa-lock,
.login-input-wrapper input:focus + .fa-user {
    color: var(--blue-color);
}

/* Input Error State */
.login-input-wrapper.input-error input {
    border-color: var(--light-red-color);
}

.login-input-wrapper.input-error .fa-lock,
.login-input-wrapper.input-error .fa-user {
    color: var(--light-red-color);
}

/* ===== REMEMBER ME ===== */
.login-remember {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    cursor: pointer;
}

.login-remember input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--blue-color);
    cursor: pointer;
}

.login-remember span {
    color: var(--gray-color);
    font-size: var(--font-size-sm);
}

/* ===== LOGIN BUTTON ===== */
.login-button {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: var(--font-size-lg);
    font-weight: 600;
    background: linear-gradient(135deg, var(--blue-color) 0%, var(--teal-color) 100%);
    color: var(--white-color);
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    box-shadow: 0 4px 15px rgba(3, 68, 121, 0.3);
}

.login-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(3, 68, 121, 0.4);
}

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

.login-button:focus-visible {
    outline: 3px solid var(--blue-color);
    outline-offset: 2px;
}

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

.login-button i {
    transition: transform 0.3s ease;
}

.login-button:hover i {
    transform: translateX(5px);
}

/* Button Loading State */
.login-button.loading {
    pointer-events: none;
    opacity: 0.8;
}

.login-button.loading::after {
    content: '';
    width: 20px;
    height: 20px;
    border: 2px solid var(--white-color);
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin-left: var(--spacing-sm);
}

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

/* ===== LOGIN FOOTER ===== */
.login-footer {
    text-align: center;
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--light-gray-color);
}

.login-footer a {
    color: var(--blue-color);
    font-weight: 600;
    font-size: var(--font-size-sm);
    transition: color 0.2s ease;
}

.login-footer a:hover {
    color: var(--blue-muted-color);
    text-decoration: none;
}

/* ===== ERROR MESSAGE ===== */
.login-error {
    background: var(--ultra-light-red-color);
    border: 1px solid var(--light-red-color);
    color: var(--light-red-color);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-lg);
    display: none;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-sm);
}

.login-error.show {
    display: flex;
    animation: shake 0.5s ease;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

.login-error i {
    flex-shrink: 0;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 480px) {
    .login-page {
        padding: var(--spacing-md);
        align-items: flex-start;
        padding-top: var(--spacing-xl);
    }
    
    .login-container {
        max-width: 100%;
    }
    
    .login-header {
        padding: var(--spacing-lg);
    }
    
    .login-logo {
        width: 80px;
    }
    
    .login-title {
        font-size: var(--font-size-lg);
    }
    
    .login-body {
        padding: var(--spacing-lg);
    }
}

/* ===== ANIMATIONS ===== */
.login-card {
    animation: loginCardIn 0.5s ease-out;
}

.login-input-group {
    animation: fadeInUp 0.4s ease-out backwards;
}

.login-input-group:nth-child(1) { animation-delay: 0.1s; }
.login-input-group:nth-child(2) { animation-delay: 0.2s; }

.login-remember {
    animation: fadeInUp 0.4s ease-out backwards;
    animation-delay: 0.3s;
}

.login-button {
    animation: fadeInUp 0.4s ease-out backwards;
    animation-delay: 0.4s;
}

.login-footer {
    animation: fadeInUp 0.4s ease-out backwards;
    animation-delay: 0.5s;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(15px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}