/* ===================================
   LMS Login Page Styles
   Matches the LMS theme with gradient background
   Requirements: 7.2
   =================================== */

/* Import variables */
@import url('./variables.css');

/* ===================================
   Login Page Container
   =================================== */
.lms-login-page {
    margin: 0;
    padding: 0;
    min-height: 100vh;
    font-family: var(--font-primary);
}

.lms-login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-4);
    position: relative;
    overflow: hidden;
    
    /* Gradient background matching LMS theme */
    background: linear-gradient(135deg, 
        var(--color-primary) 0%, 
        var(--color-secondary) 50%, 
        var(--color-accent) 100%
    );
}

/* ===================================
   Login Card
   =================================== */
.lms-login-card {
    background: var(--color-white);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-10);
    width: 100%;
    max-width: 420px;
    box-shadow: var(--shadow-2xl);
    position: relative;
    z-index: 10;
    animation: slideUp 0.5s ease-out;
}

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

/* ===================================
   Login Header
   =================================== */
.lms-login-header {
    text-align: center;
    margin-bottom: var(--spacing-8);
}

.lms-login-logo {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-4);
    box-shadow: var(--shadow-lg);
}

.lms-login-logo i {
    font-size: var(--text-3xl);
    color: var(--color-white);
}

.lms-login-header h1 {
    font-family: var(--font-display);
    font-size: var(--text-3xl);
    font-weight: 700;
    color: var(--color-primary);
    margin: 0 0 var(--spacing-2);
}

.lms-login-header p {
    font-size: var(--text-sm);
    color: var(--color-gray-500);
    margin: 0;
}

/* ===================================
   Error Message
   =================================== */
.lms-login-error {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-3) var(--spacing-4);
    background: rgba(248, 113, 113, 0.1);
    border: 1px solid var(--color-error);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-6);
    color: var(--color-error);
    font-size: var(--text-sm);
    animation: shake 0.5s ease-in-out;
}

.lms-login-error i {
    font-size: var(--text-lg);
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    10%, 30%, 50%, 70%, 90% { transform: translateX(-5px); }
    20%, 40%, 60%, 80% { transform: translateX(5px); }
}

/* ===================================
   Form Styles
   =================================== */
.lms-login-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-5);
}

.lms-form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2);
}

.lms-form-group label {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-gray-700);
}

.lms-form-group label i {
    color: var(--color-secondary);
    font-size: var(--text-sm);
}

.lms-form-group input[type="text"],
.lms-form-group input[type="password"] {
    width: 100%;
    padding: var(--spacing-3) var(--spacing-4);
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    font-size: var(--text-base);
    font-family: var(--font-primary);
    color: var(--color-gray-800);
    background: var(--color-white);
    transition: all var(--transition-fast);
    box-sizing: border-box;
}

.lms-form-group input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(85, 88, 121, 0.15);
}

.lms-form-group input::placeholder {
    color: var(--color-gray-400);
}

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

.lms-password-wrapper input {
    padding-right: var(--spacing-12);
}

.lms-password-toggle {
    position: absolute;
    right: var(--spacing-3);
    background: none;
    border: none;
    padding: var(--spacing-2);
    cursor: pointer;
    color: var(--color-gray-400);
    transition: color var(--transition-fast);
}

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

/* ===================================
   Form Options (Remember Me & Forgot)
   =================================== */
.lms-form-options {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: var(--spacing-1);
}

.lms-checkbox {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    font-size: var(--text-sm);
    color: var(--color-gray-600);
    cursor: pointer;
    user-select: none;
}

.lms-checkbox input {
    width: 18px;
    height: 18px;
    accent-color: var(--color-primary);
    cursor: pointer;
}

.lms-forgot-link {
    font-size: var(--text-sm);
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition-fast);
}

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

/* ===================================
   Submit Button
   =================================== */
.lms-login-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2);
    width: 100%;
    padding: var(--spacing-4);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: var(--color-white);
    border: none;
    border-radius: var(--radius-lg);
    font-size: var(--text-base);
    font-weight: 600;
    font-family: var(--font-primary);
    cursor: pointer;
    transition: all var(--transition-base);
    margin-top: var(--spacing-2);
}

.lms-login-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(85, 88, 121, 0.35);
}

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

.lms-login-btn i {
    transition: transform var(--transition-fast);
}

.lms-login-btn:hover i {
    transform: translateX(4px);
}

/* ===================================
   Login Footer
   =================================== */
.lms-login-footer {
    text-align: center;
    margin-top: var(--spacing-8);
    padding-top: var(--spacing-6);
    border-top: 1px solid var(--color-gray-200);
}

.lms-login-footer p {
    font-size: var(--text-xs);
    color: var(--color-gray-400);
    margin: 0;
}

/* ===================================
   Background Decoration
   =================================== */
.lms-login-decoration {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    overflow: hidden;
}

.decoration-circle {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
}

.circle-1 {
    width: 400px;
    height: 400px;
    top: -100px;
    right: -100px;
    animation: float 8s ease-in-out infinite;
}

.circle-2 {
    width: 300px;
    height: 300px;
    bottom: -50px;
    left: -50px;
    animation: float 10s ease-in-out infinite reverse;
}

.circle-3 {
    width: 200px;
    height: 200px;
    top: 50%;
    left: 10%;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    50% {
        transform: translateY(-20px) rotate(5deg);
    }
}

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 480px) {
    .lms-login-card {
        padding: var(--spacing-6);
        margin: var(--spacing-4);
        border-radius: var(--radius-xl);
    }
    
    .lms-login-header h1 {
        font-size: var(--text-2xl);
    }
    
    .lms-login-logo {
        width: 60px;
        height: 60px;
    }
    
    .lms-login-logo i {
        font-size: var(--text-2xl);
    }
    
    .lms-form-options {
        flex-direction: column;
        gap: var(--spacing-3);
        align-items: flex-start;
    }
}