/* Casefile Side Panel
 * Renders alongside the terminal when a guided case is active.
 * Spec: makerspace-v2/27-casefile-system.md
 */

:root {
    --case-panel-bg: #0d1117;
    --case-panel-fg: #c9d1d9;
    --case-panel-border: #30363d;
    --case-panel-card-bg: #161b22;
    --case-panel-accent: #58a6ff;
    --case-panel-success: #3fb950;
    --case-panel-warning: #d29922;
    --case-panel-muted: #6e7681;
    --case-panel-width: 40%;
}

/* When a case is active, split the screen */
body.case-active #terminal {
    width: calc(100% - var(--case-panel-width));
}

body.case-active #case-panel {
    display: flex;
}

/* Side panel container */
#case-panel {
    display: none;
    position: fixed;
    top: 0;
    right: 0;
    width: var(--case-panel-width);
    height: 100vh;
    background: var(--case-panel-bg);
    color: var(--case-panel-fg);
    border-left: 1px solid var(--case-panel-border);
    flex-direction: column;
    font-family: var(--term-font);
    font-size: 13px;
    line-height: 1.55;
    z-index: 100;
    overflow: hidden;
}

/* When collapsed: thin sidebar that the user can click anywhere to expand */
body.case-panel-collapsed #case-panel {
    width: 40px;
    cursor: pointer;
}
body.case-panel-collapsed #terminal {
    width: calc(100% - 40px);
}
body.case-panel-collapsed .case-panel-header,
body.case-panel-collapsed .case-panel-body,
body.case-panel-collapsed .case-panel-footer {
    display: none;
}
.case-panel-collapsed-strip {
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    height: 100%;
    padding: 16px 0;
    color: var(--case-panel-muted);
    font-size: 11px;
    letter-spacing: 2px;
    text-transform: uppercase;
    user-select: none;
}
body.case-panel-collapsed .case-panel-collapsed-strip {
    display: flex;
}
.case-panel-collapsed-strip-arrow {
    margin-bottom: 12px;
    color: var(--case-panel-accent);
    font-size: 18px;
    font-weight: bold;
}
.case-panel-collapsed-strip-label {
    writing-mode: vertical-rl;
    transform: rotate(180deg);
    letter-spacing: 3px;
}
body.case-panel-collapsed #case-panel:hover .case-panel-collapsed-strip-arrow {
    color: var(--case-panel-fg);
}

/* Header */
.case-panel-header {
    background: var(--case-panel-card-bg);
    border-bottom: 1px solid var(--case-panel-border);
    padding: 12px 16px;
    flex-shrink: 0;
}
.case-panel-header-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
}
.case-panel-title {
    color: var(--case-panel-accent);
    font-weight: 600;
    font-size: 14px;
}
.case-panel-subtitle {
    color: var(--case-panel-muted);
    font-size: 12px;
    margin-top: 2px;
}
.case-panel-collapse-btn {
    background: transparent;
    border: 1px solid var(--case-panel-border);
    color: var(--case-panel-muted);
    cursor: pointer;
    padding: 2px 8px;
    border-radius: 4px;
    font-family: var(--term-font);
    font-size: 12px;
}
.case-panel-collapse-btn:hover {
    background: var(--case-panel-border);
    color: var(--case-panel-fg);
}
.case-panel-progress {
    margin-top: 8px;
    display: flex;
    gap: 12px;
    align-items: center;
    font-size: 11px;
    color: var(--case-panel-muted);
}
.case-panel-progress-bar {
    flex: 1;
    height: 6px;
    background: #21262d;
    border-radius: 3px;
    overflow: hidden;
}
.case-panel-progress-fill {
    height: 100%;
    background: var(--case-panel-accent);
    transition: width 0.4s ease;
}

/* Body (scrollable) */
.case-panel-body {
    flex: 1;
    overflow-y: auto;
    padding: 12px 16px;
}

/* Roadmap */
.case-panel-roadmap {
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--case-panel-border);
}
.case-panel-roadmap-title {
    color: var(--case-panel-muted);
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 6px;
}
.case-panel-roadmap-item {
    padding: 4px 8px;
    border-radius: 4px;
    color: var(--case-panel-muted);
    font-size: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.case-panel-roadmap-item.is-current {
    color: var(--case-panel-accent);
    background: rgba(88, 166, 255, 0.1);
}
.case-panel-roadmap-item.is-complete {
    color: var(--case-panel-success);
}
.case-panel-roadmap-item.is-locked {
    color: #484f58;
}
.case-panel-roadmap-icon {
    display: inline-block;
    width: 14px;
    text-align: center;
}

/* Step section */
.case-panel-step {
    margin-bottom: 16px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--case-panel-border);
}
.case-panel-step-meta {
    color: var(--case-panel-muted);
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 4px;
}
.case-panel-step-title {
    color: var(--case-panel-fg);
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 12px;
}
.case-panel-step-instruction {
    color: var(--case-panel-fg);
    margin-bottom: 12px;
    line-height: 1.6;
}
.case-panel-step-instruction p {
    margin-bottom: 8px;
}
.case-panel-step-instruction blockquote {
    border-left: 3px solid var(--case-panel-accent);
    padding-left: 12px;
    margin: 8px 0;
    color: #b1bac4;
}
.case-panel-lesson {
    background: var(--case-panel-card-bg);
    border: 1px solid var(--case-panel-border);
    border-radius: 6px;
    padding: 10px 12px;
    margin-bottom: 12px;
    font-size: 12px;
    color: #b1bac4;
    line-height: 1.6;
}
.case-panel-lesson p {
    margin-bottom: 6px;
}
.case-panel-lesson p:last-child {
    margin-bottom: 0;
}
.case-panel-lesson code {
    background: #21262d;
    padding: 1px 5px;
    border-radius: 3px;
    color: var(--case-panel-warning);
    font-size: 11px;
}
.case-panel-lesson pre {
    background: #010409;
    padding: 8px 10px;
    border-radius: 4px;
    overflow-x: auto;
    margin: 6px 0;
    color: var(--case-panel-success);
    font-size: 11px;
}

/* Suggested command callout */
.case-panel-suggested {
    background: #010409;
    border: 1px solid var(--case-panel-border);
    border-left: 3px solid var(--case-panel-success);
    padding: 8px 12px;
    border-radius: 4px;
    margin-bottom: 12px;
    color: var(--case-panel-success);
    font-family: var(--term-font);
    font-size: 12px;
    word-break: break-all;
    cursor: pointer;
}
.case-panel-suggested:hover {
    background: #0d1117;
}
.case-panel-suggested-label {
    color: var(--case-panel-muted);
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 4px;
}

/* Action buttons row */
.case-panel-actions {
    display: flex;
    gap: 8px;
    margin-bottom: 12px;
    flex-wrap: wrap;
}
.case-panel-btn {
    background: var(--case-panel-card-bg);
    border: 1px solid var(--case-panel-border);
    color: var(--case-panel-fg);
    padding: 6px 12px;
    border-radius: 4px;
    cursor: pointer;
    font-family: var(--term-font);
    font-size: 12px;
    transition: all 0.15s ease;
}
.case-panel-btn:hover:not(:disabled) {
    background: #21262d;
    border-color: var(--case-panel-accent);
    color: var(--case-panel-accent);
}
.case-panel-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}
.case-panel-btn.is-primary {
    background: var(--case-panel-accent);
    color: #fff;
    border-color: var(--case-panel-accent);
}
.case-panel-btn.is-primary:hover:not(:disabled) {
    background: #4493e6;
    color: #fff;
}

/* Help expanded text */
.case-panel-help {
    background: #21262d;
    border-left: 3px solid var(--case-panel-warning);
    padding: 8px 12px;
    border-radius: 4px;
    margin-bottom: 12px;
    font-size: 12px;
    color: #b1bac4;
}
.case-panel-help-label {
    color: var(--case-panel-warning);
    font-weight: 600;
    margin-bottom: 4px;
    text-transform: uppercase;
    font-size: 10px;
    letter-spacing: 1px;
}

/* Answer choices */
.case-panel-choices {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 12px;
}
.case-panel-choice {
    background: var(--case-panel-card-bg);
    border: 1px solid var(--case-panel-border);
    color: var(--case-panel-fg);
    padding: 10px 12px;
    border-radius: 4px;
    cursor: pointer;
    text-align: left;
    font-family: var(--term-font);
    font-size: 12px;
    line-height: 1.4;
    transition: all 0.15s ease;
}
.case-panel-choice:hover:not(:disabled) {
    border-color: var(--case-panel-accent);
    background: #21262d;
}
.case-panel-choice.is-correct {
    background: rgba(63, 185, 80, 0.15);
    border-color: var(--case-panel-success);
    color: var(--case-panel-success);
}
.case-panel-choice.is-incorrect {
    background: rgba(248, 81, 73, 0.15);
    border-color: var(--case-panel-warning);
    color: var(--case-panel-warning);
}
.case-panel-choice-key {
    display: inline-block;
    font-weight: 600;
    margin-right: 6px;
}
.case-panel-explanation {
    background: var(--case-panel-card-bg);
    border-left: 3px solid var(--case-panel-accent);
    padding: 10px 12px;
    border-radius: 4px;
    margin-bottom: 12px;
    font-size: 12px;
    color: #b1bac4;
    line-height: 1.6;
}

/* Cards earned this phase */
.case-panel-cards {
    margin-bottom: 16px;
}
.case-panel-cards-title {
    color: var(--case-panel-muted);
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 6px;
}
.case-panel-card {
    background: var(--case-panel-card-bg);
    border: 1px solid var(--case-panel-border);
    border-radius: 6px;
    padding: 8px 12px;
    margin-bottom: 6px;
    font-size: 12px;
}
.case-panel-card.is-earned {
    border-color: var(--case-panel-success);
}
.case-panel-card-title {
    color: var(--case-panel-accent);
    font-weight: 600;
    margin-bottom: 2px;
}
.case-panel-card.is-earned .case-panel-card-title::before {
    content: "✓ ";
    color: var(--case-panel-success);
}
.case-panel-card-meta {
    color: var(--case-panel-muted);
    font-size: 10px;
}

/* Footer */
.case-panel-footer {
    flex-shrink: 0;
    background: var(--case-panel-card-bg);
    border-top: 1px solid var(--case-panel-border);
    padding: 8px 16px;
    font-size: 11px;
    color: var(--case-panel-muted);
    display: flex;
    justify-content: space-between;
}

/* Flash message */
.case-panel-flash {
    padding: 8px 12px;
    border-radius: 4px;
    margin-bottom: 12px;
    font-size: 12px;
    text-align: center;
    animation: case-flash-fade 3s ease forwards;
}
.case-panel-flash.is-success {
    background: rgba(63, 185, 80, 0.15);
    border: 1px solid var(--case-panel-success);
    color: var(--case-panel-success);
}
.case-panel-flash.is-info {
    background: rgba(88, 166, 255, 0.15);
    border: 1px solid var(--case-panel-accent);
    color: var(--case-panel-accent);
}
@keyframes case-flash-fade {
    0%   { opacity: 0; transform: translateY(-4px); }
    10%  { opacity: 1; transform: translateY(0); }
    90%  { opacity: 1; }
    100% { opacity: 0.7; }
}

/* Completion screen */
.case-panel-complete {
    padding: 16px 4px;
}
.case-panel-complete-banner {
    color: var(--case-panel-success);
    font-size: 20px;
    font-weight: 700;
    text-align: center;
    letter-spacing: 1px;
    margin-bottom: 4px;
}
.case-panel-complete-case-title {
    color: var(--case-panel-accent);
    font-size: 14px;
    text-align: center;
    margin-bottom: 16px;
}
.case-panel-complete-stats {
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin-bottom: 16px;
    padding: 12px;
    background: var(--case-panel-card-bg);
    border: 1px solid var(--case-panel-border);
    border-radius: 6px;
    font-size: 13px;
    color: var(--case-panel-fg);
    text-align: center;
}
.case-panel-complete-stats strong {
    color: var(--case-panel-accent);
    font-size: 15px;
}
.case-panel-complete-debrief {
    background: var(--case-panel-card-bg);
    border: 1px solid var(--case-panel-border);
    border-left: 3px solid var(--case-panel-accent);
    border-radius: 4px;
    padding: 12px;
    margin-bottom: 16px;
    font-size: 12px;
    color: #b1bac4;
    line-height: 1.6;
}
.case-panel-complete-section-title {
    color: var(--case-panel-muted);
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin: 16px 0 8px 0;
    padding-top: 12px;
    border-top: 1px solid var(--case-panel-border);
}
.case-panel-complete-card {
    background: var(--case-panel-card-bg);
    border: 1px solid var(--case-panel-success);
    border-radius: 6px;
    padding: 12px;
    margin-bottom: 10px;
}
.case-panel-complete-card-title {
    color: var(--case-panel-accent);
    font-weight: 600;
    font-size: 13px;
    margin-bottom: 2px;
}
.case-panel-complete-card-title::before {
    content: "✓ ";
    color: var(--case-panel-success);
}
.case-panel-complete-card-meta {
    color: var(--case-panel-muted);
    font-size: 10px;
    margin-bottom: 6px;
}
.case-panel-complete-card-body {
    color: #b1bac4;
    font-size: 12px;
    line-height: 1.6;
}
.case-panel-complete-next {
    background: var(--case-panel-card-bg);
    border: 1px solid var(--case-panel-border);
    border-radius: 4px;
    padding: 12px;
    margin-bottom: 16px;
    font-size: 12px;
    color: #b1bac4;
}
.case-panel-complete-next p {
    margin-bottom: 6px;
}
.case-panel-complete-next ul {
    margin-left: 18px;
    line-height: 1.6;
}
.case-panel-complete-next code {
    background: #21262d;
    padding: 1px 5px;
    border-radius: 3px;
    color: var(--case-panel-warning);
    font-size: 11px;
}
.case-panel-complete-actions {
    display: flex;
    gap: 8px;
    margin-top: 16px;
    justify-content: center;
}

/* Mobile: drawer mode (< 1024px) */
@media (max-width: 1023px) {
    body.case-active #terminal {
        width: 100%;
    }
    #case-panel {
        width: 90%;
        max-width: 480px;
        transform: translateX(100%);
        transition: transform 0.3s ease;
    }
    body.case-active #case-panel {
        transform: translateX(0);
    }
}

/* Scrollbar */
.case-panel-body::-webkit-scrollbar {
    width: 8px;
}
.case-panel-body::-webkit-scrollbar-track {
    background: var(--term-scrollbar-track);
}
.case-panel-body::-webkit-scrollbar-thumb {
    background: var(--term-scrollbar-thumb);
    border-radius: 4px;
}
.case-panel-body::-webkit-scrollbar-thumb:hover {
    background: var(--term-scrollbar-thumb-hover);
}