/* ============================================================================
 * review_mode.css — front-end Review Mode layer (activates on ?review=1)
 * ----------------------------------------------------------------------------
 * A Figma-style review overlay rendered ON TOP of the byte-identical concept
 * render. All chrome lives in a single fixed overlay so it never clips against
 * a section's overflow and never shifts the underlying layout. Deliberately
 * theme-independent (white glass, dark text) so it reads over any section
 * background — dark, light, image, or video.
 * ==========================================================================*/

:root {
    --crv-accent: var(--color-accent-primary, #FF6B35);
    --crv-ink: #1d1d1f;
    --crv-muted: #6e6e73;
    --crv-line: rgba(0, 0, 0, 0.08);
    --crv-card: rgba(255, 255, 255, 0.94);
    --crv-shadow: 0 12px 40px rgba(0, 0, 0, 0.18), 0 2px 8px rgba(0, 0, 0, 0.10);
}

/* In review mode, suppress the legacy per-section feedback widget so there is
 * exactly one review affordance. (Additive: only when the body class is set.) */
body.concept-review-mode .section-comment-btn,
body.concept-review-mode .comment-box,
body.concept-review-mode #global-feedback-btn {
    display: none !important;
}

/* The overlay is click-through except for its interactive children. */
#crv-overlay {
    position: fixed;
    inset: 0;
    z-index: 2147483000;
    pointer-events: none;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    -webkit-font-smoothing: antialiased;
}
#crv-overlay * { box-sizing: border-box; }
#crv-overlay .crv-interactive { pointer-events: auto; }

/* ---- Top HUD ------------------------------------------------------------- */
.crv-hud {
    position: fixed;
    top: 14px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 7px 8px 7px 14px;
    background: rgba(20, 20, 22, 0.82);
    backdrop-filter: blur(20px) saturate(160%);
    -webkit-backdrop-filter: blur(20px) saturate(160%);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 999px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.35);
    color: #fff;
    font-size: 13px;
    pointer-events: auto;
    max-width: calc(100vw - 24px);
}
.crv-hud-dot {
    width: 8px; height: 8px; border-radius: 50%;
    background: var(--crv-accent);
    box-shadow: 0 0 0 4px rgba(255, 107, 53, 0.22);
    flex: none;
}
.crv-hud-title { font-weight: 600; letter-spacing: -0.01em; white-space: nowrap; }
.crv-hud-sep { width: 1px; height: 16px; background: rgba(255, 255, 255, 0.18); }
.crv-hud-name {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 4px 10px; border-radius: 999px; cursor: pointer;
    background: rgba(255, 255, 255, 0.10);
    color: rgba(255, 255, 255, 0.92);
    border: 1px solid rgba(255, 255, 255, 0.10);
    white-space: nowrap; transition: background 0.15s ease;
}
.crv-hud-name:hover { background: rgba(255, 255, 255, 0.18); }
.crv-hud-count {
    display: inline-flex; align-items: center; justify-content: center;
    min-width: 22px; height: 22px; padding: 0 7px; border-radius: 999px;
    background: var(--crv-accent); color: #fff; font-weight: 700; font-size: 12px;
}
.crv-hud-count.zero { background: rgba(255, 255, 255, 0.16); color: rgba(255, 255, 255, 0.7); }
.crv-hud-btn {
    display: inline-flex; align-items: center; justify-content: center;
    width: 30px; height: 30px; border-radius: 50%;
    background: rgba(255, 255, 255, 0.10); color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.10); cursor: pointer;
    transition: background 0.15s ease;
}
.crv-hud-btn:hover { background: rgba(255, 255, 255, 0.2); }
.crv-hud-btn.active { background: var(--crv-accent); border-color: transparent; }
.crv-hud-btn svg { width: 16px; height: 16px; }

.crv-hud-hint {
    position: fixed; top: 58px; left: 50%; transform: translateX(-50%);
    background: rgba(20, 20, 22, 0.72); color: rgba(255, 255, 255, 0.92);
    font-size: 11.5px; padding: 5px 12px; border-radius: 999px;
    pointer-events: none; white-space: nowrap;
    transition: opacity 0.4s ease; opacity: 1;
}

/* ---- Numbered pins ------------------------------------------------------- */
.crv-pin {
    position: fixed;
    width: 26px; height: 26px;
    margin: -13px 0 0 -13px; /* center on anchor point top-right */
    border-radius: 50% 50% 50% 2px;
    background: var(--crv-accent);
    color: #fff; font-weight: 700; font-size: 12px;
    display: flex; align-items: center; justify-content: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3), 0 0 0 2px #fff;
    cursor: pointer; pointer-events: auto;
    transition: transform 0.12s ease;
    will-change: transform;
}
.crv-pin:hover { transform: scale(1.15); }
.crv-pin.resolved { background: #34c759; }
.crv-pin.hidden { display: none; }
.crv-pin.active { transform: scale(1.18); box-shadow: 0 6px 18px rgba(0,0,0,0.4), 0 0 0 3px #fff; }

/* ---- Per-section docked tab + box --------------------------------------- */
.crv-sec {
    position: fixed;
    right: 16px;                /* default; JS overrides to hug the section */
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    pointer-events: none;
    will-change: transform;
}
.crv-sec.crv-hidden { display: none; }

.crv-tab {
    display: inline-flex; align-items: center; gap: 7px;
    padding: 7px 12px; border-radius: 999px;
    background: var(--crv-card);
    backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--crv-line);
    box-shadow: var(--crv-shadow);
    color: var(--crv-ink); font-size: 12.5px; font-weight: 600;
    cursor: pointer; pointer-events: auto;
    transition: transform 0.12s ease, box-shadow 0.12s ease;
    white-space: nowrap;
}
.crv-tab:hover { transform: translateY(-1px); }
.crv-tab svg { width: 15px; height: 15px; color: var(--crv-accent); flex: none; }
.crv-tab .crv-tab-count {
    display: inline-flex; align-items: center; justify-content: center;
    min-width: 18px; height: 18px; padding: 0 5px; border-radius: 999px;
    background: var(--crv-accent); color: #fff; font-size: 11px; font-weight: 700;
}
.crv-tab .crv-tab-count.zero { background: rgba(0,0,0,0.08); color: var(--crv-muted); }

.crv-box {
    margin-top: 8px;
    width: 332px; max-width: calc(100vw - 32px);
    max-height: 62vh;
    display: flex; flex-direction: column;
    background: var(--crv-card);
    backdrop-filter: blur(20px) saturate(160%); -webkit-backdrop-filter: blur(20px) saturate(160%);
    border: 1px solid var(--crv-line);
    border-radius: 16px;
    box-shadow: var(--crv-shadow);
    overflow: hidden; pointer-events: auto;
    color: var(--crv-ink);
}
.crv-box-head {
    display: flex; align-items: center; gap: 8px;
    padding: 11px 14px; border-bottom: 1px solid var(--crv-line);
    background: rgba(255, 255, 255, 0.5);
}
.crv-box-head .crv-box-title {
    font-size: 13px; font-weight: 700; letter-spacing: -0.01em;
    flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.crv-box-head .crv-box-sub { font-size: 11px; color: var(--crv-muted); font-weight: 500; }
.crv-x {
    width: 24px; height: 24px; border-radius: 50%; border: none; cursor: pointer;
    background: rgba(0,0,0,0.05); color: var(--crv-muted);
    display: flex; align-items: center; justify-content: center; flex: none;
}
.crv-x:hover { background: rgba(0,0,0,0.1); color: var(--crv-ink); }
.crv-x svg { width: 13px; height: 13px; }

.crv-threads { overflow-y: auto; padding: 4px; flex: 1; }
.crv-threads::-webkit-scrollbar { width: 8px; }
.crv-threads::-webkit-scrollbar-thumb { background: rgba(0,0,0,0.15); border-radius: 8px; }

.crv-thread {
    border-radius: 12px; padding: 10px; margin: 4px;
    background: rgba(255,255,255,0.7);
    border: 1px solid var(--crv-line);
}
.crv-thread.resolved { opacity: 0.62; }
.crv-thread-top { display: flex; align-items: center; gap: 7px; margin-bottom: 7px; }
.crv-thread-num {
    width: 20px; height: 20px; border-radius: 50%; flex: none;
    background: var(--crv-accent); color: #fff; font-size: 11px; font-weight: 700;
    display: flex; align-items: center; justify-content: center;
}
.crv-thread.resolved .crv-thread-num { background: #34c759; }
.crv-chip {
    font-size: 10.5px; font-weight: 600; color: var(--crv-accent);
    background: rgba(255, 107, 53, 0.12); padding: 2px 7px; border-radius: 6px;
    max-width: 170px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.crv-thread-tools { margin-left: auto; display: flex; gap: 4px; }
.crv-mini {
    border: none; background: transparent; cursor: pointer; color: var(--crv-muted);
    width: 22px; height: 22px; border-radius: 6px; display: flex; align-items: center; justify-content: center;
}
.crv-mini:hover { background: rgba(0,0,0,0.06); color: var(--crv-ink); }
.crv-mini.done:hover { color: #34c759; }
.crv-mini.del:hover { color: #ff3b30; }
.crv-mini svg { width: 14px; height: 14px; }

.crv-msg { padding: 5px 0; }
.crv-msg + .crv-msg { border-top: 1px dashed var(--crv-line); }
.crv-msg-meta { font-size: 10.5px; color: var(--crv-muted); margin-bottom: 2px; }
.crv-msg-meta b { color: var(--crv-ink); font-weight: 600; }
.crv-msg-text { font-size: 13px; line-height: 1.45; white-space: pre-wrap; word-break: break-word; }

.crv-reply { display: flex; gap: 6px; margin-top: 8px; }
.crv-input {
    flex: 1; resize: none; min-height: 34px; max-height: 120px;
    border: 1px solid var(--crv-line); border-radius: 9px; padding: 7px 9px;
    font: inherit; font-size: 12.5px; background: #fff; color: var(--crv-ink);
    outline: none;
}
.crv-input:focus { border-color: var(--crv-accent); box-shadow: 0 0 0 3px rgba(255,107,53,0.14); }
.crv-send {
    flex: none; border: none; cursor: pointer; border-radius: 9px; padding: 0 12px;
    background: var(--crv-accent); color: #fff; font-weight: 600; font-size: 12.5px;
    display: inline-flex; align-items: center; justify-content: center;
}
.crv-send:disabled { opacity: 0.4; cursor: default; }
.crv-send svg { width: 15px; height: 15px; }

.crv-box-foot { padding: 8px; border-top: 1px solid var(--crv-line); background: rgba(255,255,255,0.4); }
.crv-empty { padding: 14px; text-align: center; color: var(--crv-muted); font-size: 12px; }

/* ---- Add-review popover (right-click) ------------------------------------ */
.crv-pop {
    position: fixed;
    width: 300px; max-width: calc(100vw - 24px);
    background: var(--crv-card);
    backdrop-filter: blur(20px) saturate(160%); -webkit-backdrop-filter: blur(20px) saturate(160%);
    border: 1px solid var(--crv-line);
    border-radius: 14px; box-shadow: var(--crv-shadow);
    padding: 12px; pointer-events: auto; color: var(--crv-ink);
    z-index: 2147483600;
}
.crv-pop-head { display: flex; align-items: center; gap: 7px; margin-bottom: 9px; }
.crv-pop-head .crv-chip { max-width: 210px; }
.crv-pop-toggle {
    font-size: 10.5px; color: var(--crv-muted); cursor: pointer; margin-left: auto;
    text-decoration: underline; text-underline-offset: 2px; white-space: nowrap;
}
.crv-pop-toggle:hover { color: var(--crv-ink); }
.crv-pop textarea {
    width: 100%; min-height: 76px; max-height: 200px; resize: vertical;
    border: 1px solid var(--crv-line); border-radius: 10px; padding: 9px 10px;
    font: inherit; font-size: 13px; outline: none; background: #fff; color: var(--crv-ink);
}
.crv-pop textarea:focus { border-color: var(--crv-accent); box-shadow: 0 0 0 3px rgba(255,107,53,0.14); }
.crv-pop-actions { display: flex; gap: 8px; margin-top: 9px; justify-content: flex-end; }
.crv-btn {
    border: none; cursor: pointer; border-radius: 9px; padding: 7px 14px;
    font-weight: 600; font-size: 12.5px;
}
.crv-btn.primary { background: var(--crv-accent); color: #fff; }
.crv-btn.primary:disabled { opacity: 0.4; cursor: default; }
.crv-btn.ghost { background: rgba(0,0,0,0.05); color: var(--crv-ink); }
.crv-btn.ghost:hover { background: rgba(0,0,0,0.1); }

/* Element highlight while composing / hovering a thread */
.crv-target-outline {
    outline: 2px solid var(--crv-accent) !important;
    outline-offset: 2px !important;
    border-radius: 3px;
    transition: outline-color 0.15s ease;
}

/* ---- Name modal --------------------------------------------------------- */
.crv-modal-scrim {
    position: fixed; inset: 0; z-index: 2147483601;
    background: rgba(0,0,0,0.55); backdrop-filter: blur(6px);
    display: flex; align-items: center; justify-content: center;
    pointer-events: auto;
}
.crv-modal {
    width: 360px; max-width: calc(100vw - 32px);
    background: #fff; border-radius: 18px; padding: 24px;
    box-shadow: 0 24px 70px rgba(0,0,0,0.4); color: var(--crv-ink);
}
.crv-modal h3 { margin: 0 0 6px; font-size: 19px; font-weight: 700; letter-spacing: -0.02em; }
.crv-modal p { margin: 0 0 16px; font-size: 13px; color: var(--crv-muted); line-height: 1.5; }
.crv-modal input {
    width: 100%; padding: 11px 13px; border: 1px solid var(--crv-line);
    border-radius: 11px; font-size: 15px; outline: none; margin-bottom: 14px;
}
.crv-modal input:focus { border-color: var(--crv-accent); box-shadow: 0 0 0 3px rgba(255,107,53,0.14); }
.crv-modal .crv-btn.primary { width: 100%; padding: 11px; font-size: 14px; }

/* Toast */
.crv-toast {
    position: fixed; bottom: 22px; left: 50%; transform: translateX(-50%);
    background: rgba(20,20,22,0.92); color: #fff; font-size: 13px; font-weight: 500;
    padding: 10px 18px; border-radius: 999px; z-index: 2147483602;
    box-shadow: 0 10px 30px rgba(0,0,0,0.35); pointer-events: none;
    opacity: 0; transition: opacity 0.25s ease, transform 0.25s ease;
}
.crv-toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

@media (max-width: 640px) {
    .crv-box { width: 300px; }
    .crv-hud { font-size: 12px; gap: 7px; padding: 6px 6px 6px 12px; }
    .crv-hud-title { display: none; }
}