/* ==========================================================================
   QGIS LMS COURSE PLATFORM STYLING
   ========================================================================== */

.courses-section {
    padding: var(--space-16) 0;
    position: relative;
}

.lms-container {
    width: 100%;
    margin-top: var(--space-4);
}

.lms-panel {
    width: 100%;
    animation: fadeIn 0.4s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* LMS Landing Page Layout */
.lms-landing-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: var(--space-12);
    align-items: start;
}

.lms-pitch-side {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.lms-pitch-side h3 {
    font-size: 2.25rem;
    line-height: 1.2;
}

.lms-pitch-side p {
    font-size: 1.1rem;
    color: var(--text-secondary);
}

.course-highlights-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.course-highlights-list li {
    display: flex;
    gap: var(--space-3);
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.course-highlights-list li i {
    color: var(--accent-emerald);
    font-size: 1.1rem;
    margin-top: 0.1rem;
}

/* Auth Checkout card styling */
.checkout-auth-card {
    padding: var(--space-8);
}

.auth-tabs-header {
    display: grid;
    grid-template-columns: 1fr 1fr;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    margin-bottom: var(--space-6);
}

.auth-tab-btn {
    background: none;
    border: none;
    padding: var(--space-3) 0;
    color: var(--text-muted);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1.05rem;
    cursor: pointer;
    text-align: center;
    position: relative;
    transition: var(--transition-fast);
}

.auth-tab-btn:hover {
    color: var(--text-primary);
}

.auth-tab-btn.active {
    color: var(--accent-emerald);
}

.auth-tab-btn::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent-emerald);
    transition: var(--transition-spring);
}

.auth-tab-btn.active::after {
    width: 100%;
}

.auth-form-panel {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.agreement-label {
    display: flex;
    gap: 0.5rem;
    align-items: flex-start;
    font-size: 0.8rem;
    color: var(--text-secondary);
    cursor: pointer;
}

.agreement-label input {
    margin-top: 0.15rem;
}

.tier-select-container {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: var(--space-2);
}

.tier-label {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.tier-options-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.5rem;
}

.donate-tier-btn {
    background: rgba(255, 255, 255, 0.01);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 8px;
    padding: 0.5rem 0.25rem;
    color: var(--text-secondary);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    text-align: center;
    transition: var(--transition-fast);
}

.donate-tier-btn:hover {
    border-color: rgba(255, 255, 255, 0.15);
    color: var(--text-primary);
}

.donate-tier-btn.active {
    background: rgba(16, 185, 129, 0.08);
    border-color: var(--accent-emerald);
    color: var(--accent-mint);
}

@media (max-width: 992px) {
    .lms-landing-grid {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }
}

/* ==========================================================================
   LMS WORKSPACE LAYOUT
   ========================================================================== */
.lms-workspace-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.7fr);
    gap: var(--space-6);
    align-items: start;
}

/* top status bar styling */
.workspace-top-bar {
    grid-column: span 2;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: var(--space-4) var(--space-6);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    margin-bottom: var(--space-2);
}

.user-identity-badge {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.user-avatar-dot {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: rgba(16, 185, 129, 0.08);
    border: 1px solid var(--border-color);
    color: var(--accent-emerald);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.95rem;
}

.user-meta-info h4 {
    font-size: 0.95rem;
    line-height: 1.2;
}

.user-meta-info span {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.workspace-stats-group {
    display: flex;
    align-items: center;
    gap: var(--space-6);
}

.workspace-stat-item {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

.workspace-stat-item span {
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.workspace-stat-item strong {
    font-family: var(--font-heading);
    font-size: 1rem;
    color: var(--accent-mint);
}

.workspace-controls-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.lms-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: var(--space-6);
    margin-bottom: var(--space-6);
}

/* ==========================================================================
   SLIDE PLAYER
   ========================================================================== */
.slide-player-card {
    padding: 0;
    overflow: hidden;
}

.slide-player-header {
    background: rgba(255, 255, 255, 0.01);
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    padding: var(--space-4) var(--space-6);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.module-tag {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--accent-mint);
    background: rgba(16, 185, 129, 0.05);
    border: 1px solid var(--border-color);
    padding: 0.2rem 0.6rem;
    border-radius: 20px;
    text-transform: uppercase;
}

.slide-content-canvas {
    padding: var(--space-8);
    min-height: 280px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.slide-title-wrap h3 {
    font-size: 1.65rem;
    margin-bottom: var(--space-4);
    color: var(--text-primary);
}

.slide-body-text {
    font-size: 0.98rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-6);
}

/* Visual graphics box inside slides */
.slide-visual-attachment {
    background: rgba(8, 11, 17, 0.4);
    border: 1px dashed rgba(255, 255, 255, 0.08);
    border-radius: 8px;
    padding: var(--space-4);
    font-family: monospace;
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-6);
}

.slide-visual-attachment strong {
    color: var(--accent-mint);
}

.slide-download-link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent-mint);
    background: rgba(16, 185, 129, 0.04);
    border: 1px solid var(--border-color);
    padding: var(--space-2) var(--space-4);
    border-radius: 6px;
    margin-top: 0.5rem;
}

.slide-download-link:hover {
    background: var(--accent-emerald);
    color: #020813;
}

.slide-player-controls {
    background: rgba(255, 255, 255, 0.01);
    border-top: 1px solid rgba(255, 255, 255, 0.04);
    padding: var(--space-4) var(--space-6);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.slide-dots {
    display: flex;
    align-items: center;
    gap: 6px;
}

.slide-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.15);
    cursor: pointer;
    transition: var(--transition-spring);
}

.slide-dot.active {
    background: var(--accent-emerald);
    transform: scale(1.3);
    box-shadow: 0 0 8px var(--accent-emerald);
}

.btn-player-nav {
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
}

/* ==========================================================================
   ACTIVE RECALL FLASHCARDS
   ========================================================================== */
.flashcard-section {
    padding: var(--space-6);
}

.flashcard-header {
    margin-bottom: var(--space-4);
}

.flashcard-container {
    perspective: 1000px;
    width: 100%;
    height: 180px;
    margin-bottom: var(--space-4);
}

.flashcard {
    width: 100%;
    height: 100%;
    position: relative;
    transform-style: preserve-3d;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
}

.flashcard.flipped {
    transform: rotateY(180deg);
}

.flashcard-front, .flashcard-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    border-radius: 8px;
    padding: var(--space-6);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.flashcard-front {
    background: rgba(16, 185, 129, 0.02);
}

.flashcard-back {
    background: rgba(8, 11, 17, 0.7);
    transform: rotateY(180deg);
    border-color: var(--border-color);
}

.flashcard-badge {
    position: absolute;
    top: var(--space-3);
    left: var(--space-3);
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
}

.flashcard-front p {
    font-size: 1rem;
    font-weight: 500;
}

.flashcard-back p {
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.flip-hint {
    position: absolute;
    bottom: var(--space-3);
    font-size: 0.7rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.flashcard-controls {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* ==========================================================================
   FINAL CERTIFICATION QUIZ CARD & REVIEWS PANEL
   ========================================================================== */
.quiz-card {
    border-color: var(--border-color-strong);
}

.quiz-header {
    margin-bottom: var(--space-6);
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    padding-bottom: var(--space-4);
}

.quiz-questions-container {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
    max-height: 480px;
    overflow-y: auto;
    padding-right: 0.5rem;
    margin-bottom: var(--space-6);
}

.quiz-question-block {
    background: rgba(255, 255, 255, 0.01);
    border: 1px solid rgba(255, 255, 255, 0.04);
    border-radius: 8px;
    padding: var(--space-4);
}

.quiz-q-num {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--accent-mint);
    text-transform: uppercase;
    display: block;
    margin-bottom: var(--space-1);
}

.quiz-q-text {
    font-size: 0.98rem;
    font-weight: 500;
    margin-bottom: var(--space-3);
}

.quiz-options-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.quiz-option-label {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: 0.65rem var(--space-4);
    border-radius: 6px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    cursor: pointer;
    font-size: 0.9rem;
    transition: var(--transition-fast);
}

.quiz-option-label:hover {
    border-color: rgba(255, 255, 255, 0.15);
    background: rgba(255, 255, 255, 0.03);
}

.quiz-option-label.selected {
    background: rgba(16, 185, 129, 0.06);
    border-color: var(--accent-emerald);
    color: var(--accent-mint);
}

.quiz-option-label input {
    accent-color: var(--accent-emerald);
}

/* Exam Results display box */
.quiz-results {
    margin-top: var(--space-6);
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
    padding: var(--space-6);
    border-radius: 8px;
    border: 1px solid transparent;
}

.quiz-results.pass {
    background: rgba(16, 185, 129, 0.03);
    border-color: rgba(16, 185, 129, 0.2);
}

.quiz-results.fail {
    background: rgba(239, 68, 68, 0.03);
    border-color: rgba(239, 68, 68, 0.2);
}

.results-header-summary {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.results-score-badge {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
}

.pass .results-score-badge {
    background: rgba(16, 185, 129, 0.1);
    color: var(--accent-mint);
    border: 1px solid var(--border-color);
}

.fail .results-score-badge {
    background: rgba(239, 68, 68, 0.1);
    color: #f87171;
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.results-text-summary h4 {
    font-size: 1.15rem;
    margin-bottom: 0.1rem;
}

.results-text-summary p {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* Map assignment upload container */
.map-upload-assignment-container {
    background: rgba(8, 11, 17, 0.4);
    border: 2px dashed rgba(255, 255, 255, 0.08);
    border-radius: 8px;
    padding: var(--space-6);
    text-align: center;
    transition: var(--transition-fast);
}

.map-upload-assignment-container:hover {
    border-color: var(--accent-emerald);
}

.upload-icon {
    font-size: 2.25rem;
    color: var(--text-muted);
    margin-bottom: var(--space-2);
}

.file-input-wrapper {
    position: relative;
    display: inline-block;
}

.file-input-wrapper input[type="file"] {
    position: absolute;
    left: 0;
    top: 0;
    opacity: 0;
    width: 100%;
    height: 100%;
    cursor: pointer;
}

#map-preview-container {
    margin-top: var(--space-4);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
}

.map-preview-img {
    max-width: 180px;
    max-height: 120px;
    object-fit: contain;
    border: 1px solid var(--border-color);
}

.map-upload-status {
    font-size: 0.85rem;
    color: var(--accent-mint);
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

/* Review answers panel */
.exam-review-panel {
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    padding-top: var(--space-6);
    margin-top: var(--space-4);
}

.review-toggle-buttons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
    margin-bottom: var(--space-4);
}

.review-list-box {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    max-height: 280px;
    overflow-y: auto;
}

.review-item-card {
    border-left: 3px solid transparent;
    padding: var(--space-3) var(--space-4);
    border-radius: 0 6px 6px 0;
    background: rgba(255, 255, 255, 0.01);
}

.review-item-card.correct {
    border-left-color: var(--accent-emerald);
}

.review-item-card.incorrect {
    border-left-color: #ef4444;
}

.review-item-q {
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 0.25rem;
}

.review-item-ans {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.review-item-correct-ans {
    font-size: 0.8rem;
    color: var(--accent-mint);
}

/* ==========================================================================
   WORKSPACE SIDEBAR & AI TUTOR CHAT
   ========================================================================== */
.tutor-card {
    height: 100%;
    min-height: 520px;
    display: flex;
    flex-direction: column;
    padding: 0;
    overflow: hidden;
}

.tutor-header {
    background: rgba(255, 255, 255, 0.01);
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    padding: var(--space-4) var(--space-4);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.tutor-profile {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.tutor-profile i {
    font-size: 1.25rem;
    color: var(--accent-emerald);
}

.tutor-profile h4 {
    font-size: 0.95rem;
}

.tutor-profile span {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.tutor-chat-messages {
    flex-grow: 1;
    overflow-y: auto;
    padding: var(--space-4);
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.tutor-message {
    max-width: 85%;
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
}

.tutor-message.bot {
    align-self: flex-start;
}

.tutor-message.user {
    align-self: flex-end;
}

.tutor-msg-content {
    padding: 0.6rem 0.9rem;
    border-radius: 8px;
    font-size: 0.9rem;
}

.tutor-message.bot .tutor-msg-content {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--text-secondary);
}

.tutor-message.user .tutor-msg-content {
    background: var(--accent-emerald);
    color: #020813;
}

.tutor-msg-time {
    font-size: 0.65rem;
    color: var(--text-muted);
    align-self: flex-end;
}

.tutor-chat-suggestions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    padding: 0.5rem var(--space-4);
    border-top: 1px solid rgba(255, 255, 255, 0.03);
}

.tutor-suggest-chip {
    font-size: 0.75rem;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.06);
    padding: 0.3rem 0.6rem;
    border-radius: 12px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition-fast);
}

.tutor-suggest-chip:hover {
    border-color: var(--accent-emerald);
    color: var(--text-primary);
}

.tutor-input-area {
    background: rgba(8, 11, 17, 0.6);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding: var(--space-3) var(--space-4);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

#tutor-input {
    flex-grow: 1;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 24px;
    padding: 0.55rem var(--space-4);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 0.9rem;
    transition: var(--transition-fast);
}

#tutor-input:focus {
    outline: none;
    border-color: var(--accent-emerald);
    background: rgba(16, 185, 129, 0.01);
    box-shadow: 0 0 10px rgba(16, 185, 129, 0.15);
}

#tutor-send {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: var(--accent-emerald);
    border: none;
    color: #020813;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 0.95rem;
    transition: var(--transition-fast);
    flex-shrink: 0;
}

#tutor-send:hover {
    background: var(--accent-mint);
    transform: scale(1.05);
}

#tutor-send:active {
    transform: scale(0.95);
}

/* ==========================================================================
   HIGH-FIDELITY E-LEARNING CERTIFICATE MODAL
   ========================================================================== */
/* ==========================================================================
   HIGH-FIDELITY E-LEARNING CERTIFICATE MODAL
   ========================================================================== */
.certificate-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(2, 8, 19, 0.88);
    backdrop-filter: blur(10px);
    z-index: 1000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: var(--space-4);
}

.certificate-container-wrapper {
    position: relative;
    width: 100%;
    max-width: 840px;
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    align-items: center;
}

.close-cert-modal {
    position: absolute;
    top: -40px;
    right: 0;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 2.2rem;
    cursor: pointer;
    transition: var(--transition-fast);
    z-index: 1010;
}

.close-cert-modal:hover {
    color: var(--accent-mint);
    transform: scale(1.1);
}

/* Landscape A4 styled certificate sheet */
.certificate-sheet {
    background: #fdfdfa; /* Premium warm ivory paper texture */
    background-image: 
        radial-gradient(circle at 50% 50%, rgba(16, 185, 129, 0.01) 0%, transparent 80%),
        linear-gradient(to right, rgba(13, 40, 26, 0.02) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(13, 40, 26, 0.02) 1px, transparent 1px);
    background-size: auto, 40px 40px, 40px 40px;
    color: #0c1520;
    width: 800px;
    height: 565px;
    padding: 24px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6), 0 0 40px rgba(16, 185, 129, 0.1);
    box-sizing: border-box;
    position: relative;
    border-radius: 4px;
    overflow: hidden;
}

/* Formal double borders framing */
.cert-outer-border {
    border: 8px solid #0f2d1e; /* Deep green outer frame */
    height: 100%;
    width: 100%;
    box-sizing: border-box;
}

.cert-inner-border {
    border: 2px solid #0f2d1e;
    height: 100%;
    width: 100%;
    box-sizing: border-box;
    padding: 32px 40px;
    position: relative;
}

/* Corner security elements */
.cert-corner-decor {
    position: absolute;
    width: 32px;
    height: 32px;
    border: 3px solid #0f2d1e;
    pointer-events: none;
}

.cert-inner-border::before,
.cert-inner-border::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    border: 2px solid #0f2d1e;
}

/* Content centering */
.cert-content {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 100%;
    text-align: center;
}

.cert-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.cert-logo {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.cert-logo-img {
    height: 38px;
    object-fit: contain;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.1));
}

.cert-logo span {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 800;
    color: #0f2d1e;
    letter-spacing: 0.08em;
}

.cert-main-title {
    font-family: 'Georgia', serif;
    font-style: italic;
    font-size: 1.85rem;
    color: #0f2d1e;
    letter-spacing: 0.08em;
    margin-top: 4px;
    font-weight: 500;
}

.cert-text-intro {
    font-family: 'Georgia', serif;
    font-style: italic;
    font-size: 1.05rem;
    color: #475569;
    margin: 12px 0 4px 0;
}

.cert-student-name {
    font-family: var(--font-heading);
    font-size: 2.3rem;
    font-weight: 800;
    color: #0f2d1e;
    border-bottom: 2px solid rgba(15, 45, 30, 0.3);
    display: inline-block;
    padding-bottom: 4px;
    margin: 0 auto 12px auto;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    min-width: 380px;
}

.cert-text-body {
    font-size: 0.92rem;
    color: #475569;
    line-height: 1.5;
    max-width: 580px;
    margin: 0 auto;
}

.cert-course-name {
    font-family: var(--font-heading);
    font-size: 1.28rem;
    font-weight: 800;
    color: #0f2d1e;
    margin: 8px 0;
    line-height: 1.3;
}

.cert-footer {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-top: 16px;
    padding: 0 var(--space-4);
}

.cert-sig-block {
    text-align: center;
    width: 200px;
}

.cert-signature-line {
    border-bottom: 1.5px solid rgba(15, 45, 30, 0.4);
    padding-bottom: 4px;
    margin-bottom: 6px;
}

.handwritten-sig {
    font-family: 'Georgia', serif;
    font-style: italic;
    font-size: 1.35rem;
    color: #0d281a;
    letter-spacing: -0.02em;
}

.cert-signer-title {
    font-size: 0.85rem;
    font-weight: 700;
    color: #0f2d1e;
}

.cert-signer-sub {
    font-size: 0.72rem;
    color: #64748b;
}

.cert-seal {
    width: 95px;
    height: 95px;
    border: 2px dashed #0f2d1e;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(16, 185, 129, 0.01);
    transform: rotate(-5deg);
}

.cert-seal-inner {
    width: 83px;
    height: 83px;
    border: 1px solid #0f2d1e;
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: #0f2d1e;
}

.cert-seal-inner i {
    font-size: 1.5rem;
    margin-bottom: 3px;
}

.cert-seal-inner span {
    font-size: 0.65rem;
    font-weight: 800;
    letter-spacing: 0.1em;
}

.cert-verify-block {
    text-align: center;
    width: 200px;
}

.cert-verify-line {
    border-bottom: 1.5px solid rgba(15, 45, 30, 0.4);
    padding-bottom: 4px;
    margin-bottom: 6px;
}

.cert-id-text {
    font-family: monospace;
    font-size: 0.85rem;
    font-weight: 700;
    color: #0f2d1e;
    letter-spacing: 0.05em;
}

.cert-modal-actions {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
    width: 100%;
}

.cert-print-hint {
    font-size: 0.78rem;
    color: var(--text-muted);
}

/* ==========================================================================
   PRINT CSS OVERRIDES
   ========================================================================== */
@media print {
    /* Hide everything on the portfolio page */
    body * {
        visibility: hidden;
    }
    
    /* Display ONLY the print sheet */
    .certificate-modal-overlay {
        position: absolute;
        left: 0;
        top: 0;
        width: 100%;
        height: 100%;
        background: #ffffff !important;
        padding: 0 !important;
        margin: 0 !important;
        display: flex !important;
        align-items: center;
        justify-content: center;
    }
    
    .certificate-container-wrapper {
        max-width: 100% !important;
        padding: 0 !important;
        margin: 0 !important;
        box-shadow: none !important;
        border: none !important;
    }
    
    .close-cert-modal,
    .cert-modal-actions {
        display: none !important;
    }
    
    .certificate-sheet {
        visibility: visible !important;
        box-shadow: none !important;
        border: none !important;
        padding: 24px !important;
        background: #fdfdfa !important;
        -webkit-print-color-adjust: exact !important;
        print-color-adjust: exact !important;
        position: fixed !important;
        left: 0 !important;
        top: 0 !important;
        width: 297mm !important;   /* standard A4 landscape width */
        height: 210mm !important;  /* standard A4 landscape height */
        margin: 0 !important;
        box-sizing: border-box !important;
        page-break-after: avoid !important;
        page-break-before: avoid !important;
    }

    .certificate-sheet * {
        visibility: visible !important;
    }

    @page {
        size: landscape;
        margin: 0;
    }
}

/* ==========================================================================
   LMS INTERACTIVE CONTROLS (TABS & BUTTONS) OVERHAUL
   ========================================================================== */
.lang-btn-group,
.tab-headers,
.auth-toggle-header,
.donation-tiers {
    display: flex;
    gap: var(--space-2);
    margin-bottom: var(--space-4);
    flex-wrap: wrap;
}

.lang-btn,
.tab-header-btn,
.auth-toggle-btn,
.donate-tier-btn {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    color: var(--text-secondary);
    padding: 0.5rem 1.1rem;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-spring);
    font-family: var(--font-heading);
}

.lang-btn:hover,
.tab-header-btn:hover,
.auth-toggle-btn:hover,
.donate-tier-btn:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.2);
    color: var(--text-primary);
}

.lang-btn.active,
.tab-header-btn.active,
.auth-toggle-btn.active,
.donate-tier-btn.active {
    background: var(--accent-emerald) !important;
    border-color: transparent !important;
    color: #020813 !important;
    box-shadow: 0 0 12px rgba(16, 185, 129, 0.3);
}

/* Agreement checkbox */
.copyright-agreement-box {
    margin-top: var(--space-6);
    padding: var(--space-3) var(--space-4);
    background: rgba(16, 185, 129, 0.02);
    border: 1px dashed rgba(16, 185, 129, 0.15);
    border-radius: 8px;
}

@media (max-width: 768px) {
    .workspace-top-bar {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-3);
    }
    #admin-stats-badge {
        margin-left: 0 !important;
        margin-right: 0 !important;
        width: 100%;
        justify-content: space-around;
    }
}