/* CaveCode Academy - HTML & CSS Workshop playable Chapter 1 */

.web-academy {
    display: grid;
    grid-template-columns: 280px minmax(540px, 1fr) 410px;
    min-height: 100vh;
    color: var(--text);
    background: var(--bg);
    font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.web-academy * {
    box-sizing: border-box;
}

.web-academy button,
.web-academy textarea,
.web-academy input {
    font: inherit;
}

.web-sidebar {
    padding: 20px 14px;
    overflow-y: auto;
    background: var(--surface);
    border-right: 1px solid var(--border);
}

.web-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 4px 6px 18px;
}

.web-brand-mark {
    display: grid;
    width: 50px;
    height: 46px;
    place-items: center;
    color: var(--accent-contrast);
    background: var(--accent);
    border: 1px solid var(--accent-border);
    border-radius: 11px;
    box-shadow: 0 8px 22px var(--shadow);
    font: 950 14px Consolas, Monaco, monospace;
}

.web-brand h1 {
    margin: 0;
    font-size: 21px;
}

.web-brand p {
    margin: 3px 0 0;
    color: var(--text-muted);
    font-size: 12px;
    line-height: 1.4;
}

.web-course-nav {
    display: grid;
    margin: 0 0 14px;
}

.web-availability-note {
    padding: 13px;
    margin: 0 0 17px;
    color: var(--text);
    background: var(--accent-surface);
    border: 1px solid var(--accent-border);
    border-radius: 10px;
}

.web-availability-note strong {
    color: var(--accent-soft);
    font-size: 10px;
    letter-spacing: .08em;
}

.web-availability-note p {
    margin: 6px 0 0;
    color: var(--text-muted);
    font-size: 11px;
    line-height: 1.5;
}

.web-lesson-list h2 {
    margin: 20px 8px 8px;
    color: var(--text-muted);
    font-size: 10px;
    letter-spacing: .75px;
    line-height: 1.35;
    text-transform: uppercase;
}

.web-lesson-button {
    display: flex;
    width: 100%;
    align-items: center;
    gap: 10px;
    padding: 10px;
    margin-bottom: 6px;
    color: var(--text);
    text-align: left;
    background: transparent;
    border: 1px solid transparent;
    border-radius: 9px;
    cursor: pointer;
}

.web-lesson-button:hover:not(:disabled) {
    background: var(--surface-hover);
}

.web-lesson-button.active {
    background: var(--accent-surface);
    border-color: var(--accent-border);
}

.web-lesson-button.complete {
    color: var(--accent-soft);
}

.web-lesson-button:disabled {
    color: var(--text-dim);
    cursor: not-allowed;
    opacity: .62;
}

.web-lesson-number {
    display: grid;
    flex: 0 0 31px;
    height: 31px;
    place-items: center;
    color: var(--text-muted);
    background: var(--surface-strong);
    border-radius: 8px;
    font-size: 11px;
    font-weight: 850;
}

.web-lesson-button.active .web-lesson-number,
.web-lesson-button.complete .web-lesson-number {
    color: var(--accent-contrast);
    background: var(--accent);
}

.web-lesson-copy {
    min-width: 0;
}

.web-lesson-copy strong,
.web-lesson-copy small {
    display: block;
}

.web-lesson-copy strong {
    overflow: hidden;
    font-size: 12px;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.web-lesson-copy small {
    margin-top: 3px;
    color: var(--text-muted);
    font-size: 10px;
}

.web-lesson-main {
    padding: 28px;
    overflow-y: auto;
}

.web-lesson-header {
    display: flex;
    max-width: 980px;
    justify-content: space-between;
    gap: 24px;
    margin: 0 auto;
}

.web-lesson-header h2 {
    margin: 0 0 7px;
    font-size: 28px;
}

.web-lesson-header > div:first-child > p:last-child {
    max-width: 770px;
    margin: 0;
    color: var(--text-muted);
    line-height: 1.55;
}

.web-academy .eyebrow {
    margin: 0 0 6px;
    color: var(--accent);
    font-size: 11px;
    font-weight: 850;
    letter-spacing: 1px;
}

.web-mastery-ring {
    display: grid;
    flex: 0 0 88px;
    height: 88px;
    place-items: center;
    align-content: center;
    text-align: center;
    background: var(--accent-surface);
    border: 2px solid var(--accent-border);
    border-radius: 50%;
}

.web-mastery-ring strong {
    font-size: 18px;
}

.web-mastery-ring span {
    color: var(--text-muted);
    font-size: 10px;
}

.web-academy .stage-tabs {
    display: grid;
    grid-template-columns: repeat(8, minmax(72px, 1fr));
    max-width: 980px;
    margin: 23px auto 0;
    overflow: hidden;
    border: 1px solid var(--border);
    border-radius: 11px;
}

.web-academy .stage-tab {
    min-height: 57px;
    padding: 8px 5px;
    color: var(--text-muted);
    background: var(--surface);
    border: 0;
    border-right: 1px solid var(--border);
    cursor: pointer;
    font-size: 11px;
}

.web-academy .stage-tab:last-child {
    border-right: 0;
}

.web-academy .stage-tab span {
    display: grid;
    width: 21px;
    height: 21px;
    margin: 0 auto 4px;
    place-items: center;
    background: var(--surface-strong);
    border-radius: 50%;
    font-size: 10px;
}

.web-academy .stage-tab.active {
    color: var(--text);
    background: var(--accent-surface);
}

.web-academy .stage-tab.active span,
.web-academy .stage-tab.done span {
    color: var(--accent-contrast);
    background: var(--accent);
}

.web-academy .stage-tab:disabled {
    opacity: .38;
    cursor: not-allowed;
}

.web-stage-card {
    max-width: 980px;
    min-height: 570px;
    padding: 23px;
    margin: 18px auto 0;
    background: var(--surface-soft);
    border: 1px solid var(--border);
    border-radius: 13px;
}

.web-stage-heading {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    align-items: flex-start;
}

.web-stage-heading h3 {
    margin: 0;
    font-size: 21px;
}

.web-support-badge {
    padding: 7px 10px;
    color: var(--warning-text);
    background: var(--warning-surface);
    border: 1px solid var(--warning-border);
    border-radius: 99px;
    font-size: 10px;
    font-weight: 800;
}

.web-learn-grid {
    display: grid;
    grid-template-columns: 1.25fr .75fr;
    gap: 18px;
    margin: 23px 0;
}

.web-learn-grid h4,
.web-exercise-intro h4,
.web-prediction-card h4 {
    margin: 0 0 8px;
    font-size: 17px;
}

.web-learn-grid p,
.web-exercise-intro p,
.web-prediction-card p {
    color: var(--text-muted);
    line-height: 1.6;
}

.web-reference-example,
.web-revealed-target {
    padding: 15px;
    margin: 16px 0;
    background: var(--code-bg);
    border: 1px solid var(--border-strong);
    border-radius: 9px;
}

.web-reference-example > span,
.web-revealed-target > span,
.web-mini-label {
    color: var(--dark-panel-muted);
    font-size: 10px;
    font-weight: 800;
    letter-spacing: .8px;
    text-transform: uppercase;
}

.web-reference-example pre,
.web-revealed-target pre {
    margin: 10px 0 0;
    overflow: auto;
    white-space: pre-wrap;
}

.web-reference-example code,
.web-revealed-target code {
    color: var(--code-text);
    font-family: Consolas, Monaco, monospace;
}

.web-concept-points div {
    display: flex;
    gap: 9px;
}

.web-concept-points span {
    color: var(--accent);
}

.web-concept-points p {
    margin: 5px 0;
}

.web-memory-aid {
    padding: 18px;
    background: var(--surface-raised);
    border: 1px solid var(--border);
    border-radius: 11px;
}

.web-flow {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    margin: 20px 0;
}

.web-flow div {
    padding: 11px 8px;
    background: var(--surface-soft);
    border-radius: 7px;
    font-size: 10px;
    font-weight: 850;
}

.web-flow span {
    color: var(--accent);
}

.web-exercise-intro {
    margin: 22px 0 14px;
}

.web-browser-note {
    padding: 13px 15px;
    margin-bottom: 13px;
    color: var(--warning-text);
    background: var(--warning-surface);
    border-left: 4px solid var(--warning-accent);
}

.web-browser-note p {
    margin: 5px 0 0;
    color: var(--warning-muted);
}

.web-typing-guide {
    margin-top: 14px;
    overflow: hidden;
    background: var(--code-bg);
    border: 1px solid var(--border-strong);
    border-radius: 10px;
}

.web-editor-bar {
    display: flex;
    justify-content: space-between;
    padding: 9px 13px;
    color: var(--dark-panel-muted);
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    font-size: 10px;
    font-weight: 800;
    letter-spacing: .7px;
}

.web-character-guide {
    min-height: 76px;
    padding: 18px;
    color: var(--code-text);
    white-space: pre-wrap;
    font: 17px/1.55 Consolas, Monaco, monospace;
}

.web-character-correct {
    color: var(--accent);
}

.web-character-wrong {
    color: var(--danger);
    background: color-mix(in srgb, var(--danger) 16%, transparent);
    text-decoration: underline;
    text-decoration-thickness: 2px;
}

.web-character-current {
    color: var(--code-text);
    background: var(--accent-border);
    animation: web-cursor-pulse 1s infinite;
}

.web-character-pending {
    color: var(--code-muted);
}

.web-space-mark {
    display: inline-block;
    min-width: .55em;
}

.web-newline-mark {
    color: var(--code-muted);
    font-size: 12px;
}

.web-academy .code-editor {
    margin-top: 14px;
    overflow: hidden;
    background: var(--code-bg);
    border: 1px solid var(--border-strong);
    border-radius: 10px;
}

.web-academy .code-editor .editor-bar {
    display: flex;
    justify-content: space-between;
    padding: 9px 13px;
    color: var(--dark-panel-muted);
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    font-size: 10px;
    font-weight: 800;
    letter-spacing: .7px;
}

.web-academy .code-editor textarea {
    display: block;
    width: 100%;
    min-height: 190px;
    resize: vertical;
    padding: 18px;
    color: var(--code-text);
    background: var(--code-bg);
    border: 0;
    outline: none;
    font: 16px/1.55 Consolas, Monaco, monospace;
    tab-size: 4;
}

.web-academy .typing-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    border-top: 1px solid var(--border-strong);
}

.web-academy .typing-stats div {
    padding: 9px 12px;
    border-right: 1px solid var(--border-strong);
}

.web-academy .typing-stats div:last-child {
    border-right: 0;
}

.web-academy .typing-stats span,
.web-academy .typing-stats strong {
    display: block;
}

.web-academy .typing-stats span {
    color: var(--code-muted);
    font-size: 8px;
    text-transform: uppercase;
}

.web-academy .typing-stats strong {
    margin-top: 3px;
    color: var(--code-text);
    font-size: 11px;
}

.web-action-row {
    display: flex;
    flex-wrap: wrap;
    gap: 9px;
    margin-top: 13px;
}

.web-primary,
.web-secondary {
    padding: 10px 14px;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 850;
}

.web-primary {
    color: var(--accent-contrast);
    background: var(--accent);
    border: 1px solid var(--accent);
}

.web-primary:hover {
    filter: brightness(1.06);
}

.web-secondary {
    color: var(--text);
    background: var(--surface-raised);
    border: 1px solid var(--border);
}

.web-secondary:hover {
    background: var(--surface-hover);
}

.web-continue-button {
    margin-top: 12px;
}

.web-feedback {
    padding: 13px 15px;
    margin-top: 13px;
    border-radius: 9px;
    line-height: 1.5;
}

.web-feedback.success {
    color: var(--accent-soft);
    background: var(--accent-surface);
    border: 1px solid var(--accent-border);
}

.web-feedback.error {
    color: var(--danger-text);
    background: var(--danger-surface);
    border: 1px solid var(--danger-border);
}

.web-prediction-card {
    margin: 22px 0;
}

.web-prediction-options {
    display: grid;
    gap: 9px;
    margin: 15px 0;
}

.web-prediction-options button {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 11px;
    color: var(--text);
    text-align: left;
    background: var(--surface-raised);
    border: 1px solid var(--border);
    border-radius: 9px;
    cursor: pointer;
}

.web-prediction-options button span {
    display: grid;
    width: 25px;
    height: 25px;
    place-items: center;
    color: var(--text-muted);
    background: var(--surface-strong);
    border-radius: 6px;
}

.web-prediction-options button.correct {
    color: var(--accent-soft);
    border-color: var(--accent-border);
    background: var(--accent-surface);
}

.web-prediction-options button.wrong {
    color: var(--danger-text);
    border-color: var(--danger-border);
    background: var(--danger-surface);
}

.web-completion-panel {
    max-width: 720px;
    margin: 36px auto;
    text-align: center;
}

.web-completion-icon {
    display: grid;
    width: 72px;
    height: 72px;
    margin: 0 auto 16px;
    place-items: center;
    color: var(--accent-contrast);
    background: var(--accent);
    border-radius: 50%;
    font-size: 31px;
    font-weight: 950;
}

.web-completion-panel > p {
    color: var(--text-muted);
    line-height: 1.65;
}

.web-completion-summary {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
    margin: 20px 0;
}

.web-completion-summary div {
    padding: 13px;
    background: var(--surface-raised);
    border: 1px solid var(--border);
    border-radius: 9px;
}

.web-completion-summary span,
.web-completion-summary strong,
.web-completion-summary code {
    display: block;
}

.web-completion-summary span {
    color: var(--text-muted);
    font-size: 9px;
    text-transform: uppercase;
}

.web-completion-summary strong,
.web-completion-summary code {
    margin-top: 6px;
    overflow-wrap: anywhere;
    color: var(--text);
    font-size: 11px;
}

.web-preview-panel {
    padding: 22px;
    overflow-y: auto;
    background: var(--surface);
    border-left: 1px solid var(--border);
}

.web-preview-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.web-preview-header h2 {
    margin: 0;
    font-size: 22px;
}

.web-live {
    padding: 6px 9px;
    color: var(--accent-contrast);
    background: var(--accent);
    border-radius: 99px;
    font-size: 9px;
    font-weight: 900;
    letter-spacing: .08em;
}

.web-preview-safety {
    display: grid;
    gap: 3px;
    padding: 10px 12px;
    margin-top: 14px;
    color: var(--accent-soft);
    background: var(--accent-surface);
    border: 1px solid var(--accent-border);
    border-radius: 9px;
}

.web-preview-safety strong {
    font-size: 10px;
}

.web-preview-safety span {
    color: var(--text-muted);
    font-size: 9px;
    line-height: 1.45;
}

.web-browser-frame {
    margin-top: 12px;
    overflow: hidden;
    background: var(--code-bg);
    border: 1px solid var(--border-strong);
    border-radius: 13px;
    box-shadow: 0 18px 45px rgb(0 0 0 / 22%);
}

.web-browser-bar {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 11px;
    color: var(--dark-panel-muted);
    background: color-mix(in srgb, var(--code-bg) 82%, var(--surface) 18%);
    border-bottom: 1px solid var(--border-strong);
    font: 8px Consolas, Monaco, monospace;
}

.web-browser-dots {
    display: flex;
    gap: 5px;
}

.web-browser-dots i {
    width: 7px;
    height: 7px;
    background: var(--border-strong);
    border-radius: 50%;
}

.web-browser-dots i:first-child {
    background: var(--danger);
}

.web-browser-dots i:nth-child(2) {
    background: var(--warning-accent);
}

.web-browser-dots i:last-child {
    background: var(--accent);
}

.web-live-frame {
    display: block;
    width: 100%;
    min-height: 500px;
    background: #f4f7fb;
    border: 0;
}

.web-preview-highlight {
    display: grid;
    gap: 3px;
    padding: 11px 13px;
    color: var(--dark-panel-text);
    background: var(--code-bg);
    border-top: 1px solid var(--border-strong);
}

.web-preview-highlight span {
    color: var(--dark-panel-muted);
    font-size: 7px;
    font-weight: 900;
    letter-spacing: .09em;
}

.web-preview-highlight strong {
    color: var(--accent-soft);
    font-size: 11px;
}

.web-preview-highlight small {
    color: var(--code-muted);
    font: 8px Consolas, Monaco, monospace;
}

.web-preview-stats {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
    margin-top: 13px;
}

.web-preview-stats div {
    padding: 10px;
    background: var(--surface-raised);
    border: 1px solid var(--border);
    border-radius: 8px;
}

.web-preview-stats span,
.web-preview-stats strong {
    display: block;
}

.web-preview-stats span {
    color: var(--text-muted);
    font-size: 9px;
    text-transform: uppercase;
}

.web-preview-stats strong {
    margin-top: 4px;
    overflow: hidden;
    font-size: 11px;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.web-terminal {
    padding: 14px;
    margin-top: 13px;
    color: var(--dark-panel-text);
    background: var(--code-bg);
    border: 1px solid var(--border-strong);
    border-radius: 9px;
    font: 10px/1.55 Consolas, Monaco, monospace;
}

.web-terminal-title {
    display: flex;
    justify-content: space-between;
    gap: 10px;
    padding-bottom: 8px;
    margin-bottom: 8px;
    color: var(--dark-panel-muted);
    border-bottom: 1px solid var(--border-strong);
    font-size: 8px;
    font-weight: 900;
    letter-spacing: .08em;
}

.web-terminal p {
    margin: 4px 0;
}

.web-xp-award-toast {
    position: fixed;
    z-index: 1200;
    right: 18px;
    bottom: 18px;
    display: grid;
    min-width: 230px;
    gap: 4px;
    padding: 15px;
    color: var(--accent-contrast);
    text-align: left;
    background: var(--accent);
    border: 1px solid var(--accent-border);
    border-radius: 13px;
    box-shadow: 0 20px 65px var(--shadow);
    cursor: pointer;
}

.web-xp-award-toast span,
.web-xp-award-toast small {
    font-size: 9px;
}

.web-xp-award-toast strong {
    font-size: 20px;
}

.web-achievement-overlay,
.web-save-progress-overlay {
    position: fixed;
    z-index: 1300;
    inset: 0;
    display: grid;
    place-items: center;
    padding: 22px;
    background: rgb(3 8 13 / 78%);
    backdrop-filter: blur(8px);
}

.web-achievement-dialog,
.web-save-progress-dialog {
    width: min(510px, 100%);
    padding: 28px;
    color: var(--text);
    background: var(--surface);
    border: 1px solid var(--accent-border);
    border-radius: 18px;
    box-shadow: 0 28px 90px var(--shadow);
    text-align: center;
}

.web-achievement-kicker,
.web-save-progress-kicker {
    color: var(--accent);
    font-size: 10px;
    font-weight: 900;
    letter-spacing: 1.2px;
}

.web-achievement-medal {
    display: grid;
    width: 76px;
    height: 76px;
    margin: 17px auto;
    place-items: center;
    color: var(--accent-contrast);
    background: var(--accent);
    border-radius: 50%;
    font: 950 18px Consolas, Monaco, monospace;
}

.web-achievement-dialog h2,
.web-save-progress-dialog h2 {
    margin: 8px 0 10px;
}

.web-achievement-dialog > p,
.web-save-progress-dialog > p {
    color: var(--text-muted);
    line-height: 1.65;
}

.web-achievement-rewards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 9px;
    margin-top: 17px;
}

.web-achievement-rewards div {
    padding: 12px;
    background: var(--surface-raised);
    border: 1px solid var(--border);
    border-radius: 9px;
}

.web-achievement-rewards span,
.web-achievement-rewards strong {
    display: block;
}

.web-achievement-rewards span {
    color: var(--text-muted);
    font-size: 8px;
}

.web-achievement-rewards strong {
    margin-top: 5px;
    color: var(--accent-soft);
    font-size: 12px;
}

.web-achievement-dialog > small,
.web-save-progress-dialog > small {
    display: block;
    margin-top: 14px;
    color: var(--text-muted);
    font-size: 9px;
}

.web-achievement-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 9px;
    margin-top: 17px;
}

.web-achievement-actions a,
.web-achievement-actions button,
.web-continue-guest {
    display: grid;
    min-height: 42px;
    place-items: center;
    border-radius: 9px;
    font-size: 10px;
    font-weight: 900;
    text-decoration: none;
    cursor: pointer;
}

.web-achievement-actions a {
    color: var(--accent-contrast);
    background: var(--accent);
    border: 1px solid var(--accent);
}

.web-achievement-actions button,
.web-continue-guest {
    color: var(--text);
    background: var(--surface-raised);
    border: 1px solid var(--border);
}

.web-continue-guest {
    width: 100%;
    padding: 11px 13px;
}


@keyframes web-cursor-pulse {
    50% {
        opacity: .45;
    }
}

@media (prefers-reduced-motion: reduce) {
    .web-character-current {
        animation: none;
    }
}

@media (max-width: 1320px) {
    .web-academy {
        grid-template-columns: 250px minmax(500px, 1fr);
    }

    .web-preview-panel {
        grid-column: 1 / -1;
        border-top: 1px solid var(--border);
        border-left: 0;
    }

    .web-live-frame {
        min-height: 580px;
    }
}

@media (max-width: 840px) {
    .web-academy {
        display: block;
    }

    .web-sidebar,
    .web-preview-panel {
        overflow: visible;
        border: 0;
        border-bottom: 1px solid var(--border);
    }

    .web-lesson-main {
        padding: 20px 14px;
    }

    .web-lesson-header,
    .web-stage-heading {
        display: grid;
    }

    .web-learn-grid,
    .web-completion-summary {
        grid-template-columns: 1fr;
    }

    .web-academy .stage-tabs {
        overflow-x: auto;
    }
}

@media (max-width: 560px) {
    .web-achievement-rewards,
    .web-achievement-actions,
    .web-preview-stats {
        grid-template-columns: 1fr;
    }

    .web-live-frame {
        min-height: 460px;
    }
}