/* --- Neumorphic Dashboard Styles --- */
:root {
    --primary-red: #D7263D;
    --bg-color: #e0e5ec;
    --text-color: #555;
    --light-shadow: #ffffff;
    --dark-shadow: #a3b1c6;
    --border-radius: 12px;
    --transition: all 0.3s ease-in-out;
}

/* --- Base & Login Page --- */
body {
    margin: 0;
    font-family: 'Montserrat', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
}
.login-body {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}
.login-container {
    width: 100%;
    max-width: 400px;
    padding: 40px;
    background-color: var(--bg-color);
    border-radius: 20px;
    box-shadow: 10px 10px 20px var(--dark-shadow), -10px -10px 20px var(--light-shadow);
    text-align: center;
}
.logo-header {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 20px;
}
.logo-text-black { color: #333; }
.logo-text-red { color: var(--primary-red); }

.login-container h2 {
    margin-bottom: 25px;
    font-weight: 600;
    color: #333;
}
.login-container .form-group {
    position: relative;
    margin-bottom: 25px;
}
.login-container input {
    width: 100%;
    padding: 15px;
    border: none;
    outline: none;
    border-radius: 10px;
    background-color: var(--bg-color);
    box-shadow: inset 5px 5px 10px var(--dark-shadow), inset -5px -5px 10px var(--light-shadow);
    font-size: 1rem;
    color: var(--text-color);
    box-sizing: border-box;
}
.login-container input:focus + label,
.login-container input:not(:placeholder-shown) + label {
    top: -10px;
    font-size: 0.75rem;
    color: var(--primary-red);
}
.login-container label {
    position: absolute;
    left: 15px;
    top: 15px;
    background: var(--bg-color);
    padding: 0 5px;
    pointer-events: none;
    transition: var(--transition);
}
.btn-login {
    width: 100%;
    padding: 15px;
    border: none;
    border-radius: 10px;
    background-color: var(--primary-red);
    color: white;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    box-shadow: 5px 5px 10px var(--dark-shadow), -5px -5px 10px var(--light-shadow);
    transition: var(--transition);
}
.btn-login:hover {
    opacity: 0.9;
}
.btn-login:active {
    box-shadow: inset 5px 5px 10px var(--dark-shadow), inset -5px -5px 10px var(--light-shadow);
}
.login-switch {
    margin-top: 20px;
    font-size: 0.9rem;
}
.login-switch a {
    color: var(--primary-red);
    text-decoration: none;
}
.login-switch span {
    margin: 0 10px;
    color: var(--dark-shadow);
}
.error-message { color: var(--primary-red); background: #fdd; padding: 10px; border-radius: 5px; margin-bottom: 15px; }
.success-message { color: #28a745; background: #dfd; padding: 10px; border-radius: 5px; margin-bottom: 15px; }


/* --- Dashboard Layout --- */
.dashboard-body {
    display: flex;
}
.sidebar {
    width: 260px;
    background-color: var(--bg-color);
    box-shadow: 5px 0 15px var(--dark-shadow);
    display: flex;
    flex-direction: column;
    height: 100vh;
    position: fixed;
    z-index: 10;
}
.sidebar .logo-header {
    padding: 25px;
    text-align: center;
    border-bottom: 1px solid var(--dark-shadow);
}
.sidebar-nav {
    flex-grow: 1;
    padding: 20px 0;
}
.sidebar-nav a {
    display: flex;
    align-items: center;
    padding: 15px 25px;
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    margin: 8px 15px;
    border-radius: 10px;
}
.sidebar-nav a i {
    margin-right: 15px;
    width: 20px;
    text-align: center;
}
.sidebar-nav a:hover, .sidebar-nav a.active {
    background-color: var(--bg-color);
    color: var(--primary-red);
    box-shadow: 5px 5px 10px var(--dark-shadow), -5px -5px 10px var(--light-shadow);
}
.sidebar-footer {
    padding: 20px 15px;
    border-top: 1px solid var(--dark-shadow);
}
.sidebar-footer a {
    display: block;
    text-align: center;
    padding: 12px;
    background: var(--bg-color);
    border-radius: 10px;
    box-shadow: 5px 5px 10px var(--dark-shadow), -5px -5px 10px var(--light-shadow);
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
}
.main-content {
    flex-grow: 1;
    margin-left: 260px;
    padding: 30px;
}
.main-header {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    margin-bottom: 30px;
}
.user-info {
    padding: 12px 20px;
    border-radius: 10px;
    box-shadow: 5px 5px 10px var(--dark-shadow), -5px -5px 10px var(--light-shadow);
    font-weight: 500;
}
.content-container {
    padding: 0;
}
.content-container h1 {
    font-size: 2rem;
    margin-bottom: 10px;
    color: #333;
}
.page-subtitle {
    font-size: 1.1rem;
    color: var(--text-color);
    margin-bottom: 30px;
}
.card.neumorphic-card {
    background-color: var(--bg-color);
    border-radius: 20px;
    padding: 30px;
    box-shadow: 10px 10px 20px var(--dark-shadow), -10px -10px 20px var(--light-shadow);
    margin-bottom: 30px;
}
.card h2 {
    margin-top: 0;
    margin-bottom: 20px;
}
.table-responsive {
    overflow-x: auto;
}
.dashboard-table {
    width: 100%;
    border-collapse: collapse;
}
.dashboard-table th, .dashboard-table td {
    padding: 15px;
    text-align: left;
    border-bottom: 1px solid var(--dark-shadow);
}
.dashboard-table th {
    font-weight: 600;
}
.dashboard-table tbody tr:hover {
    background-color: #d1d9e6;
}
.status-badge {
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    color: white;
}
.status-running { background-color: #28a745; }
.status-completed { background-color: #6c757d; }
.status-upcoming { background-color: #ffc107; color: #333; }
.btn-primary {
    padding: 12px 25px;
    border: none;
    border-radius: 10px;
    background-color: var(--primary-red);
    color: white;
    font-weight: 600;
    cursor: pointer;
    box-shadow: 5px 5px 10px var(--dark-shadow), -5px -5px 10px var(--light-shadow);
    transition: var(--transition);
}
.dashboard-form .form-row { display: flex; gap: 20px; margin-bottom: 20px; }
.dashboard-form .form-group { flex: 1; }
.dashboard-form label { display: block; margin-bottom: 8px; font-weight: 500; }
.dashboard-form input, .dashboard-form select {
    width: 100%;
    padding: 12px;
    box-sizing: border-box;
    border-radius: 8px;
    border: none;
    background: var(--bg-color);
    box-shadow: inset 3px 3px 7px var(--dark-shadow), inset -3px -3px 7px var(--light-shadow);
}

/* Session List Styles */
.back-link { display: inline-block; margin-bottom: 20px; text-decoration: none; font-weight: 600; color: var(--primary-red); }
.session-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    margin-bottom: 15px;
    border-radius: 15px;
    background: var(--bg-color);
    box-shadow: 7px 7px 15px var(--dark-shadow), -7px -7px 15px var(--light-shadow);
    transition: var(--transition);
}
.session-item.completed {
    box-shadow: inset 7px 7px 15px var(--dark-shadow), inset -7px -7px 15px var(--light-shadow);
    opacity: 0.7;
}
.session-item.locked {
    opacity: 0.5;
    pointer-events: none;
}
.session-info { display: flex; align-items: center; }
.session-status-icon { font-size: 1.8rem; margin-right: 20px; }
.session-item:not(.completed) .session-status-icon { color: var(--text-color); }
.session-item.completed .session-status-icon { color: #28a745; }
.session-item.locked .session-status-icon { color: var(--dark-shadow); }
.session-title h4 { margin: 0 0 5px 0; font-size: 1.1rem; }
.session-status-text { font-size: 0.9rem; color: #888; }
.session-item.completed .session-status-text { color: #28a745; }
.btn-toggle-completion {
    padding: 10px 20px;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    background: var(--bg-color);
    box-shadow: 5px 5px 10px var(--dark-shadow), -5px -5px 10px var(--light-shadow);
    color: var(--text-color);
    font-weight: 600;
}
.session-item.completed .btn-toggle-completion {
    color: var(--primary-red);
}
.btn-action { text-decoration: none; color: var(--primary-red); font-weight: 600; }
/* ... add to the end of dashboard.css ... */

/* Teacher: view_batch.php material form */
.session-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}
.session-main-actions { display: flex; gap: 15px; }
.session-details {
    width: 100%;
    padding-top: 15px;
    margin-top: 15px;
    border-top: 1px solid var(--dark-shadow);
}
.material-form { display: flex; gap: 10px; align-items: center; }
.material-form input {
    flex-grow: 1;
    padding: 10px;
    box-shadow: inset 2px 2px 5px var(--dark-shadow), inset -2px -2px 5px var(--light-shadow);
}
.material-form button {
    padding: 10px 15px;
    border: none;
    border-radius: 8px;
    background: var(--primary-red);
    color: white;
    cursor: pointer;
}

/* Teacher: Attendance Page */
.attendance-table label { margin-right: 20px; cursor: pointer; }
.attendance-table input[type="radio"] { margin-right: 5px; }

/* Student: Dashboard Course Grid */
.course-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}
.course-card h3 { margin-top: 0; }
.course-card p { margin: 8px 0; }

/* Student: view_batch.php session links */
.sessions-list.student-view .session-item {
    flex-direction: column;
    align-items: flex-start;
}
.session-links {
    display: flex;
    gap: 20px;
    padding-top: 15px;
    margin-top: 15px;
    width: 100%;
    border-top: 1px solid var(--dark-shadow);
}
.btn-action.disabled {
    color: #999;
    cursor: not-allowed;
    text-decoration: none;
}
/* === ADD TO THE END OF dashboard.css === */

/* === REPLACE this entire block in dashboard.css === */

/* Student Dashboard: My Courses Page */
.course-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}
.student-course-card {
    background: var(--bg-color);
    border-radius: var(--border-radius);
    box-shadow: 7px 7px 15px var(--dark-shadow), -7px -7px 15px var(--light-shadow);
    overflow: hidden;
    transition: transform 0.3s ease;
    display: flex; /* Use flexbox for better control */
    flex-direction: column; /* Stack image and content vertically */
}
.student-course-card:hover {
    transform: translateY(-5px);
}
.course-card-img-container { /* NEW container for the image */
    width: 100%;
    height: 180px; /* Fixed height for consistency */
    overflow: hidden; /* Hide parts of image that don't fit */
}
.course-card-img {
    width: 100%;
    height: 100%; /* Make image fill the container */
    object-fit: cover; /* Crucial: scales image to cover area without distortion */
    transition: transform 0.4s ease;
}
.student-course-card:hover .course-card-img {
    transform: scale(1.05); /* Add a subtle zoom on hover */
}
.course-card-content {
    padding: 20px;
    flex-grow: 1; /* Allow content to take remaining space */
    display: flex;
    flex-direction: column;
}
.course-card-content h3 {
    margin-top: 0;
    margin-bottom: 10px;
    color: #333;
}
.course-card-instructor {
    font-size: 0.9em;
    color: var(--text-color);
    margin-bottom: 15px;
}
.course-card-btn {
    display: block;
    text-align: center;
    margin-top: auto; /* Push button to the bottom */
    text-decoration: none;
    padding-top: 12px;
    padding-bottom: 12px;
}

/* === END of replacement block === */

/* Student Course View: Hero */
.course-hero {
    padding: 60px 40px;
    border-radius: var(--border-radius);
    color: white;
    background-size: cover;
    background-position: center;
    margin-bottom: 30px;
    box-shadow: 7px 7px 15px var(--dark-shadow);
}
.course-hero h1 {
    font-size: 2.5rem;
    margin: 0;
}
.course-hero p {
    font-size: 1.1rem;
    max-width: 800px;
    margin-top: 10px;
    opacity: 0.9;
}

/* Progress Bar */
.progress-bar-container {
    margin-bottom: 30px;
}
.progress-bar-label {
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
    font-weight: 600;
}
.progress-bar {
    width: 100%;
    height: 15px;
    background: var(--bg-color);
    border-radius: 20px;
    box-shadow: inset 3px 3px 7px var(--dark-shadow), inset -3px -3px 7px var(--light-shadow);
}
.progress-bar-fill {
    height: 100%;
    background-color: #28a745;
    border-radius: 20px;
    transition: width 0.5s ease-in-out;
}



/* Session Accordion */
.session-accordion-item {
    background: var(--bg-color);
    border-radius: var(--border-radius);
    margin-bottom: 15px;
    box-shadow: 5px 5px 10px var(--dark-shadow), -5px -5px 10px var(--light-shadow);
}
.session-accordion-header {
    padding: 20px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
}
.session-accordion-header .session-info {
    display: flex;
    align-items: center;
    gap: 15px;
}
.session-accordion-header .expand-icon {
    transition: transform 0.3s ease;
}
.session-accordion-item.open .expand-icon {
    transform: rotate(180deg);
}
.session-accordion-item.locked {
    opacity: 0.6;
    background: #eef2f8;
    box-shadow: none;
}
.session-accordion-item.locked .session-accordion-header {
    cursor: not-allowed;
}
.session-accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out, padding 0.3s ease-out;
    padding: 0 20px;
}
.session-links {
    padding: 20px 0;
    border-top: 1px solid var(--dark-shadow);
    display: flex;
    gap: 20px;
}

/* Certification Tab */
.certificate-container {
    text-align: center;
    padding: 40px;
}
.certificate-icon {
    font-size: 4rem;
    color: #ffc107;
    margin-bottom: 20px;
}
/* === ADD TO THE END of dashboard.css === */

/* Teacher Dashboard: Session Item Layout Fix */
.session-item {
    /* Main container for a session row */
    padding: 20px;
    display: flex;
    flex-direction: column; /* Stack header and details vertically */
    gap: 15px; /* Space between header and details */
}

.session-header {
    /* Contains the title and main action buttons */
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    flex-wrap: wrap; /* Allow wrapping on smaller screens */
    gap: 15px;
}

.session-info {
    /* The left side: icon and title */
    display: flex;
    align-items: center;
    gap: 15px;
    flex-grow: 1; /* Allow it to take up available space */
}

.session-main-actions {
    /* The right side: Attendance and Completion buttons */
    display: flex;
    align-items: center;
    gap: 15px;
    flex-shrink: 0; /* Prevent buttons from shrinking */
}

.session-details {
    /* The bottom part: Material upload form */
    width: 100%;
    padding-top: 15px;
    margin-top: 0; /* Remove margin as we now use gap */
    border-top: 1px solid var(--dark-shadow);
}

.material-form {
    display: flex;
    gap: 10px;
    align-items: center;
}

.material-form input[type="url"] {
    flex-grow: 1;
    padding: 10px;
    box-shadow: inset 2px 2px 5px var(--dark-shadow), inset -2px -2px 5px var(--light-shadow);
}

.material-form button {
    padding: 10px 20px;
    border: none;
    border-radius: 8px;
    background: var(--primary-red);
    color: white;
    cursor: pointer;
    font-weight: 600;
    flex-shrink: 0;
}

/* Make buttons consistent */
.btn-action, .btn-toggle-completion {
    white-space: nowrap; /* Prevent text from wrapping */
}

/* Adjust button styles to look better */
.btn-toggle-completion {
    padding: 10px 20px;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    background: var(--bg-color);
    box-shadow: 5px 5px 10px var(--dark-shadow), -5px -5px 10px var(--light-shadow);
    color: var(--text-color);
    font-weight: 600;
}
.session-item.completed .btn-toggle-completion {
    color: var(--primary-red);
}
/* === ADD TO THE END of dashboard.css === */



/* Fix Session Accordion Styles */
.session-accordion {
    width: 100%;
}
.session-accordion-item {
    background: var(--bg-color);
    border-radius: var(--border-radius);
    margin-bottom: 15px;
    box-shadow: 5px 5px 10px var(--dark-shadow), -5px -5px 10px var(--light-shadow);
    transition: all 0.3s ease;
}
.session-accordion-header {
    padding: 20px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
}
.session-accordion-header .session-info {
    display: flex;
    align-items: center;
    gap: 15px;
}
.session-accordion-header .expand-icon {
    transition: transform 0.3s ease;
    font-size: 1.2rem;
    color: var(--text-color);
}
.session-accordion-item.open .expand-icon {
    transform: rotate(180deg);
}
.session-accordion-item.locked {
    opacity: 0.6;
    background: #eef2f8;
    box-shadow: none;
}
.session-accordion-item.locked .session-accordion-header {
    cursor: not-allowed;
}
.session-accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease-in-out;
    padding: 0 20px;
}
.session-accordion-item.open .session-accordion-content {
    max-height: 200px; /* Set a max-height for the transition */
    padding: 0 20px;
}
.session-links {
    padding: 20px 0;
    border-top: 1px solid var(--dark-shadow);
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
}

/* Support Page Styles */
.support-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 30px;
}
.contact-info-item {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 25px;
}
.contact-info-item i {
    font-size: 2rem;
    color: var(--primary-red);
}
.contact-info-item h4 {
    margin: 0 0 5px 0;
    color: #333;
}
.contact-info-item p {
    margin: 0;
}

@media (max-width: 992px) {
    .support-grid {
        grid-template-columns: 1fr;
    }
}