/* LMS Pro Public/Frontend Styling - Premium Design */

:root {
    --lms-primary: #6366f1;
    --lms-primary-dark: #4f46e5;
    --lms-secondary: #8b5cf6;
    --lms-success: #10b981;
    --lms-danger: #ef4444;
    --lms-warning: #f59e0b;
    --lms-gray-50: #f8fafc;
    --lms-gray-100: #f1f5f9;
    --lms-gray-600: #475569;
    --lms-gray-900: #0f172a;
}

/* Login Container */
.lms-login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 20px;
    position: relative;
    overflow: hidden;
}

.lms-login-container::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

.lms-card {
    position: relative;
    z-index: 1;
    animation: slideUp 0.6s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.lms-glass-theme {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.2);
}

/* Login Form */
.lms-login-container h2 {
    text-align: center;
    margin-bottom: 12px;
    background: linear-gradient(135deg, var(--lms-primary) 0%, var(--lms-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 2rem;
    font-weight: 900;
    letter-spacing: -0.5px;
}

.lms-login-container p {
    text-align: center;
    color: var(--lms-gray-600);
    margin-bottom: 32px;
    line-height: 1.6;
}

.lms-input-group label {
    display: block;
    margin-bottom: 10px;
    font-weight: 700;
    color: var(--lms-gray-900);
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.lms-pro-input {
    width: 100%;
    padding: 16px;
    border-radius: 12px;
    border: 2px solid #e0e7ff;
    font-size: 1.1rem;
    text-align: center;
    letter-spacing: 3px;
    font-family: 'Courier New', monospace;
    text-transform: uppercase;
    font-weight: 700;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
}

.lms-pro-input:focus {
    outline: none;
    border-color: var(--lms-primary);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1), 0 8px 16px rgba(99, 102, 241, 0.2);
    transform: translateY(-2px);
}

.lms-pro-btn {
    width: 100%;
    padding: 18px;
    background: linear-gradient(135deg, var(--lms-primary) 0%, var(--lms-secondary) 100%);
    color: white;
    border: none;
    border-radius: 12px;
    font-weight: 800;
    font-size: 1.1rem;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 8px 20px rgba(99, 102, 241, 0.4);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.lms-pro-btn:hover:not(:disabled) {
    transform: translateY(-3px);
    box-shadow: 0 12px 28px rgba(99, 102, 241, 0.5);
    background: linear-gradient(135deg, var(--lms-primary-dark) 0%, var(--lms-primary) 100%);
}

.lms-pro-btn:active:not(:disabled) {
    transform: translateY(-1px);
}

.lms-pro-btn:disabled {
    background: linear-gradient(135deg, #cbd5e1 0%, #94a3b8 100%);
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* Alert Messages */
#login-error,
#login-success {
    margin-top: 20px;
    padding: 14px 18px;
    border-radius: 10px;
    font-size: 14px;
    text-align: center;
    font-weight: 600;
    animation: slideDown 0.3s ease-out;
}

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

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

#login-error {
    background: linear-gradient(135deg, #fef2f2 0%, #fee2e2 100%);
    color: var(--lms-danger);
    border: 2px solid #fecaca;
}

#login-success {
    background: linear-gradient(135deg, #d1fae5 0%, #a7f3d0 100%);
    color: #065f46;
    border: 2px solid #6ee7b7;
}

/* Lecturer Portal Styling */
.lms-lecturer-portal {
    max-width: 1400px;
    margin: 40px auto;
    padding: 0 20px;
}

.lms-portal-header {
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    color: white;
    padding: 40px;
    border-radius: 20px;
    margin-bottom: 30px;
    box-shadow: 0 20px 40px rgba(99, 102, 241, 0.3);
    position: relative;
    overflow: hidden;
}

.lms-portal-header::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    animation: pulse 8s ease-in-out infinite;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    z-index: 1;
}

.lecturer-info h1 {
    margin: 0 0 12px 0;
    font-size: 2.25rem;
    font-weight: 900;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.lecturer-meta {
    display: flex;
    gap: 16px;
    align-items: center;
}

.code-badge {
    background: rgba(255, 255, 255, 0.25);
    padding: 8px 16px;
    border-radius: 24px;
    font-family: monospace;
    font-weight: 800;
    letter-spacing: 2px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

.position {
    opacity: 0.95;
    font-weight: 600;
}

.logout-btn {
    background: rgba(255, 255, 255, 0.2);
    border: 2px solid rgba(255, 255, 255, 0.3);
    color: white;
    padding: 12px 24px;
    border-radius: 12px;
    cursor: pointer;
    font-weight: 700;
    transition: all 0.3s;
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    gap: 8px;
}

.logout-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-2px);
}

/* Responsive */
@media (max-width: 768px) {
    .lms-login-container {
        padding: 16px;
    }

    .lms-card {
        padding: 32px 24px !important;
    }

    .lms-login-container h2 {
        font-size: 1.5rem;
    }

    .header-content {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }

    .lecturer-info h1 {
        font-size: 1.75rem;
    }
}