/* ========================================
   DASHBOARD & LOGIN STYLES
   ======================================== */

/* Dashboard Hero */
.dashboard-hero {
    background: #0e0e0e;
    padding: 100px 0 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.dashboard-hero .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.dashboard-welcome h1 {
    color: #fff;
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.dashboard-role {
    color: #00b2ff;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.dashboard-role i {
    margin-right: 8px;
}

.btn-sm {
    padding: 8px 20px;
    font-size: 0.75rem;
}

/* Dashboard Sections */
.dashboard-section {
    padding: 60px 0;
}

/* Dashboard Cards */
.dashboard-card {
    display: block;
    background: #111113;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 8px;
    padding: 30px 24px;
    text-decoration: none;
    transition: all 0.3s ease;
}

.dashboard-card:hover {
    border-color: #00b2ff;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 178, 255, 0.1);
}

.dashboard-card i {
    font-size: 2rem;
    color: #00b2ff;
    margin-bottom: 16px;
    display: block;
}

.dashboard-card h3 {
    color: #fff;
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.dashboard-card p {
    color: #ACACAC;
    font-size: 0.9rem;
    line-height: 1.6;
}

/* Course Cards */
.course-card {
    background: #111113;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 8px;
    padding: 30px 24px;
    transition: border-color 0.3s ease;
}

.course-card:hover {
    border-color: rgba(0, 178, 255, 0.3);
}

.course-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.course-code {
    font-family: 'Courier New', monospace;
    color: #00b2ff;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 1px;
    background: rgba(0, 178, 255, 0.1);
    padding: 4px 10px;
    border-radius: 3px;
}

.course-status {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 4px 10px;
    border-radius: 3px;
}

.status-active {
    background: rgba(34, 197, 94, 0.15);
    color: #22c55e;
    border: 1px solid rgba(34, 197, 94, 0.3);
}

.status-upcoming {
    background: rgba(234, 179, 8, 0.15);
    color: #eab308;
    border: 1px solid rgba(234, 179, 8, 0.3);
}

.status-completed {
    background: rgba(148, 163, 184, 0.15);
    color: #94a3b8;
    border: 1px solid rgba(148, 163, 184, 0.3);
}

.course-card h3 {
    color: #fff;
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.course-card > p {
    color: #ACACAC;
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 20px;
}

.course-links {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.course-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    color: #ACACAC;
    font-size: 0.8rem;
    text-decoration: none;
    transition: all 0.3s ease;
}

.course-link:hover {
    background: rgba(0, 178, 255, 0.1);
    border-color: rgba(0, 178, 255, 0.3);
    color: #00b2ff;
}

.course-link i {
    font-size: 0.85rem;
}

/* Announcements */
.announcement-card {
    background: #111113;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-left: 3px solid #00b2ff;
    border-radius: 0 8px 8px 0;
    padding: 24px;
    margin-bottom: 16px;
}

.announcement-date {
    color: #666;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.announcement-card h4 {
    color: #fff;
    font-size: 1.1rem;
    margin: 8px 0;
}

.announcement-card p {
    color: #ACACAC;
    font-size: 0.9rem;
    line-height: 1.6;
}

/* Login Page */
.login-card {
    background: #111113;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 12px;
    padding: 50px 40px;
    text-align: center;
}

.login-shield {
    max-width: 80px;
    height: auto;
    margin-bottom: 24px;
    filter: drop-shadow(0 0 15px rgba(0, 178, 255, 0.3));
}

.login-title {
    color: #fff;
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.login-subtitle {
    color: #666;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 30px;
}

.login-error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #ef4444;
    padding: 12px 16px;
    border-radius: 6px;
    font-size: 0.9rem;
    margin-bottom: 20px;
    text-align: left;
}

.login-error i {
    margin-right: 8px;
}

.login-success {
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid rgba(34, 197, 94, 0.3);
    color: #22c55e;
    padding: 12px 16px;
    border-radius: 6px;
    font-size: 0.9rem;
    margin-bottom: 20px;
    text-align: left;
}

.login-success i {
    margin-right: 8px;
}

.login-form {
    text-align: left;
}

.login-form .form-group {
    margin-bottom: 20px;
}

.login-form label {
    display: block;
    color: #ACACAC;
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.login-form input[type="text"],
.login-form input[type="password"],
.login-form input[type="email"] {
    width: 100%;
    padding: 14px 16px;
    background: #1a1a1a;
    border: 1px solid #333;
    border-radius: 6px;
    color: #fff;
    font-size: 1rem;
    transition: border-color 0.3s ease;
    box-sizing: border-box;
}

.login-form input:focus {
    border-color: #00b2ff;
    outline: none;
    box-shadow: 0 0 0 2px rgba(0, 178, 255, 0.2);
}

.form-checkbox {
    display: flex;
    align-items: center;
}

.form-checkbox label {
    display: flex;
    align-items: center;
    gap: 8px;
    text-transform: none;
    letter-spacing: 0;
    cursor: pointer;
}

.form-checkbox input[type="checkbox"] {
    accent-color: #00b2ff;
}

.login-btn {
    width: 100%;
    padding: 16px;
    font-size: 0.9rem;
    margin-top: 10px;
    cursor: pointer;
    border: none;
}

.login-help {
    margin-top: 20px;
}

.login-help a {
    color: #666;
    font-size: 0.85rem;
    text-decoration: none;
    transition: color 0.3s ease;
}

.login-help a:hover {
    color: #00b2ff;
}

/* ========================================
   COURSE HERO CARD
   ======================================== */

.course-hero-card {
    background: linear-gradient(135deg, #111113 0%, #0a1628 100%);
    border: 1px solid rgba(0, 178, 255, 0.15);
    border-radius: 12px;
    padding: 50px 40px;
    position: relative;
    overflow: hidden;
}

.course-hero-card::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(0, 178, 255, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    transform: translate(30%, -30%);
}

.course-code-badge {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(0, 178, 255, 0.15);
    border: 1px solid rgba(0, 178, 255, 0.3);
    color: #00b2ff;
    font-family: 'Courier New', monospace;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 2px;
    border-radius: 4px;
    margin-bottom: 16px;
}

.course-hero-info h2 {
    color: #fff;
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.course-meta {
    color: #666;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 16px;
}

.course-description {
    color: #ACACAC;
    font-size: 1rem;
    line-height: 1.7;
    max-width: 700px;
    margin-bottom: 24px;
}

.course-details-row {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
}

.course-details-row span {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.85rem;
}

.course-details-row i {
    color: #00b2ff;
    margin-right: 6px;
}

/* ========================================
   MATERIALS GRID
   ======================================== */

.material-card {
    display: flex;
    flex-direction: column;
    background: #111113;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 8px;
    padding: 28px 22px;
    text-decoration: none;
    transition: all 0.3s ease;
}

.material-card:hover {
    border-color: #00b2ff;
    transform: translateY(-4px);
    box-shadow: 0 8px 25px rgba(0, 178, 255, 0.1);
}

.material-card-accent {
    border-color: rgba(198, 168, 75, 0.2);
}

.material-card-accent:hover {
    border-color: #C6A84B;
    box-shadow: 0 8px 25px rgba(198, 168, 75, 0.1);
}

.material-card-accent .material-icon i {
    color: #C6A84B;
}

.material-icon {
    margin-bottom: 16px;
}

.material-icon i {
    font-size: 2rem;
    color: #00b2ff;
}

.material-card h3 {
    color: #fff;
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.material-card p {
    color: #ACACAC;
    font-size: 0.85rem;
    line-height: 1.6;
    flex: 1;
    margin-bottom: 16px;
}

.material-meta {
    color: #666;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.material-meta i {
    margin-right: 4px;
}

/* ========================================
   LAB ENVIRONMENTS
   ======================================== */

.lab-instructions-card {
    background: #111113;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-left: 3px solid #00b2ff;
    border-radius: 0 8px 8px 0;
    padding: 24px 30px;
    margin-bottom: 40px;
}

.lab-instructions-card h4 {
    color: #fff;
    font-size: 1rem;
    margin-bottom: 12px;
}

.lab-instructions-card h4 i {
    color: #00b2ff;
    margin-right: 8px;
}

.lab-instructions-card ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.lab-instructions-card li {
    color: #ACACAC;
    font-size: 0.9rem;
    line-height: 1.7;
    padding: 4px 0;
    padding-left: 16px;
    position: relative;
}

.lab-instructions-card li::before {
    content: '\203A';
    position: absolute;
    left: 0;
    color: #00b2ff;
}

.lab-instructions-card code {
    background: rgba(0, 178, 255, 0.1);
    color: #00b2ff;
    padding: 2px 8px;
    border-radius: 3px;
    font-size: 0.85rem;
}

.lab-section-label {
    color: #666;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 16px;
    padding-bottom: 8px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.lab-section-label i {
    color: #00b2ff;
    margin-right: 8px;
}

.lab-grid-instructor {
    margin-bottom: 40px;
}

.lab-card-instructor {
    border-color: rgba(0, 178, 255, 0.25) !important;
    background: linear-gradient(135deg, #111113 0%, #0a1628 100%) !important;
    max-width: 250px;
}

.lab-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 16px;
    margin-bottom: 40px;
}

.lab-card {
    background: #111113;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 8px;
    padding: 16px;
    transition: border-color 0.3s ease;
}

.lab-card:hover {
    border-color: rgba(0, 178, 255, 0.3);
}

.lab-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.lab-number {
    font-family: 'Courier New', monospace;
    font-size: 1.3rem;
    font-weight: 700;
    color: #00b2ff;
}

.lab-label {
    color: #666;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.lab-card-links {
    display: flex;
    gap: 8px;
}

.lab-link {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 10px 8px;
    border-radius: 6px;
    text-decoration: none;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s ease;
}

.lab-link i {
    font-size: 1.1rem;
}

.lab-link-cml {
    background: rgba(0, 178, 255, 0.08);
    border: 1px solid rgba(0, 178, 255, 0.2);
    color: #00b2ff;
}

.lab-link-cml:hover {
    background: rgba(0, 178, 255, 0.15);
    border-color: #00b2ff;
}

.lab-link-vmanage {
    background: rgba(198, 168, 75, 0.08);
    border: 1px solid rgba(198, 168, 75, 0.2);
    color: #C6A84B;
}

.lab-link-vmanage:hover {
    background: rgba(198, 168, 75, 0.15);
    border-color: #C6A84B;
}

/* ========================================
   MODULES LIST
   ======================================== */

.modules-list {
    max-width: 800px;
}

.module-item {
    display: flex;
    gap: 24px;
    align-items: flex-start;
    padding: 24px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.module-item:last-child {
    border-bottom: none;
}

.module-number {
    font-family: 'Courier New', monospace;
    font-size: 1.5rem;
    font-weight: 700;
    color: rgba(0, 178, 255, 0.3);
    flex-shrink: 0;
    width: 50px;
    text-align: center;
}

.module-info h4 {
    color: #fff;
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 6px;
}

.module-info p {
    color: #ACACAC;
    font-size: 0.9rem;
    line-height: 1.6;
}

/* ========================================
   RESPONSIVE
   ======================================== */

@media (max-width: 1200px) {
    .lab-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .dashboard-hero .container {
        flex-direction: column;
        text-align: center;
        gap: 20px;
    }
    .dashboard-grid.grid-3 {
        grid-template-columns: 1fr;
    }
    .dashboard-grid.grid-2 {
        grid-template-columns: 1fr;
    }
    .login-card {
        padding: 30px 24px;
    }
    .lab-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .materials-grid.grid-4 {
        grid-template-columns: 1fr;
    }
    .course-hero-card {
        padding: 30px 24px;
    }
    .course-details-row {
        flex-direction: column;
        gap: 8px;
    }
}

@media (max-width: 480px) {
    .lab-grid {
        grid-template-columns: 1fr;
    }
}