/**
 * login.css
 * Estilos específicos para a página de login do UDNSTC FileManager
 * @version 2.0.0
 */

/* ========== Login Page Base ========== */
.login-page {
    min-height: calc(100vh / 0.85);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
    position: relative;
    overflow: hidden;
}

/* Background Pattern */
.login-page::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
    background-image: url(../../uploads/static/img/bg.jpg);
    display: flex;
    align-items: center;
    background-size: cover;
    background-position: 50%;
}
.opacity-6 {
    opacity: 0.6 !important;
}
.bg-gradient-dark {
    background-image: linear-gradient(310deg, #212229 0%, #212529 100%);
}
.mask {
    position: absolute;
    background-size: cover;
    background-position: center center;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.8;
}
/* ========== Theme Switcher ========== */
.theme-switcher {
    position: fixed;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    z-index: 100;
        display: none;
}

.theme-btn {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    width: 2.5rem;
    height: 2.5rem;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition);
    box-shadow: var(--shadow-md);
}

.theme-btn:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-lg);
}

/* ========== Login Container ========== */
.login-container {
    display: flex;
    width: 100%;
    max-width: 930px;
    margin: 0 auto;
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    position: relative;
    z-index: 1;
}

/* ========== Login Box (Left Side) ========== */
.login-box {
    flex: 1;
    padding: var(--spacing-2xl);
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: 500px;
}

.login-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}
.logo-img {
    max-width: 110px;
    max-height: 80px;
    width: auto;
    height: auto;
    object-fit: contain;
    /* filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1)); */
    transition: transform var(--transition);
    /* filter: invert(1) hue-rotate(15deg) brightness(20) contrast(1.2); */
}
.logo i {
    font-size: 3rem;
    color: var(--primary);
}

.logo h1 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.login-subtitle {
    color: var(--text-secondary);
    font-size: 1rem;
    margin-top: var(--spacing-sm);
}

/* ========== Login Form ========== */
.login-form {
    width: 100%;
    max-width: 400px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
    color: var(--text-primary);
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    line-height: 1.5;
    color: var(--text-primary);
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    transition: all var(--transition);
}

.form-control:hover {
    border-color: var(--border-hover);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
    background-color: var(--bg-primary);
}

/* Password Input Wrapper */
.password-input-wrapper {
    position: relative;
}

.toggle-password {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-tertiary);
    cursor: pointer;
    padding: 0.25rem;
    transition: color var(--transition);
}

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

/* Form Options */
.form-options {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-xl);
}

/* Checkbox */
.checkbox-container {
    display: flex;
    align-items: center;
    cursor: pointer;
    user-select: none;
}

.checkbox-container input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
}

.checkmark {
    width: 1.25rem;
    height: 1.25rem;
    background-color: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-sm);
    margin-right: var(--spacing-sm);
    transition: all var(--transition);
    position: relative;
}

.checkbox-container:hover .checkmark {
    border-color: var(--primary);
}

.checkbox-container input:checked ~ .checkmark {
    background-color: var(--primary);
    border-color: var(--primary);
}

.checkmark::after {
    content: '';
    position: absolute;
    display: none;
    left: 6px;
    top: 2px;
    width: 5px;
    height: 10px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.checkbox-container input:checked ~ .checkmark::after {
    display: block;
}

.checkbox-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.forgot-password {
    font-size: 0.875rem;
    color: var(--primary);
    transition: color var(--transition);
}

.forgot-password:hover {
    color: var(--primary-hover);
    text-decoration: underline;
}

/* Login Button */
.btn-login {
    width: 100%;
    padding: 0.875rem;
    font-size: 1rem;
    font-weight: 600;
    position: relative;
    overflow: hidden;
    background: #005de8;
    color: #FFFFFF;
    border: 1px solid #ffffff;
    border-radius: 7px;
}
.btn-login:hover {
    cursor: pointer;
}
.btn-login::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn-login:hover::before {
    width: 300px;
    height: 300px;
}

.btn-login.loading {
    color: transparent;
}

.btn-login.loading::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    top: 50%;
    left: 50%;
    margin-left: -10px;
    margin-top: -10px;
    border: 2px solid #ffffff;
    border-radius: 50%;
    border-top-color: transparent;
    animation: spin 0.8s linear infinite;
}

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

.login-footer p {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin: 0;
}

/* ========== Login Side Panel (Right Side) ========== */
.login-side {
    flex: 1;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    padding: var(--spacing-2xl);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

/* Side panel pattern */
.login-side::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: repeating-linear-gradient(
        45deg,
        transparent,
        transparent 20px,
        rgba(255, 255, 255, 0.05) 20px,
        rgba(255, 255, 255, 0.05) 40px
    );
    animation: slide 20s linear infinite;
}

@keyframes slide {
    0% { transform: translate(0, 0); }
    100% { transform: translate(50px, 50px); }
}

.side-content {
    position: relative;
    z-index: 1;
    color: white;
}

.side-content h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-2xl);
    color: white;
}

.features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.feature {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
}

.feature i {
    font-size: 1.5rem;
    opacity: 0.9;
    margin-top: 0.25rem;
}

.feature h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: white;
}

.feature p {
    font-size: 0.875rem;
    opacity: 0.85;
    line-height: 1.6;
    margin: 0;
}

/* ========== Loading Overlay ========== */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-overlay);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    backdrop-filter: blur(5px);
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

/* ========== Alerts ========== */
.alert {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    border-radius: var(--radius);
    font-size: 0.875rem;
    animation: slideIn var(--transition-slow);
    border: 1px solid;
}

.alert-success {
    color: #065f46;
    background-color: var(--success-light);
    border-color: #34d399;
}

.alert-error {
    color: #991b1b;
    background-color: var(--danger-light);
    border-color: #f87171;
}

.alert-warning {
    color: #92400e;
    background-color: var(--warning-light);
    border-color: #fbbf24;
}

.alert-info {
    color: #1e40af;
    background-color: var(--info-light);
    border-color: #60a5fa;
}

/* ========== Responsive ========== */
@media (max-width: 1024px) {
    .login-container {
        flex-direction: column;
        max-width: 500px;
    }
    
    .login-side {
        display: none;
    }
    
    .login-box {
        padding: var(--spacing-xl);
    }
}

@media (max-width: 640px) {
    .login-page {
        padding: var(--spacing-md);
    }
    
    .login-container {
        border-radius: var(--radius-lg);
    }
    
    .login-box {
        padding: var(--spacing-lg);
        min-height: auto;
    }
    
    .logo i {
        font-size: 2.5rem;
    }
    
    .logo h1 {
        font-size: 2rem;
    }
    
    .theme-switcher {
        top: var(--spacing-md);
        right: var(--spacing-md);
    }
}