/* Conference Preview ("Visualise") modal — admin beta. */

/* Sidebar conference tools group (sidebar.js): Insights + Conference Preview launcher (opens the modal only). */
.sidebar-conference-tools {
    width: 100%;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
}
.sidebar-conference-tools .sidebar-separator { margin: 0; }
.visualise-modal {
    position: fixed;
    inset: 0;
    z-index: 1200;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 24px;
    background: rgba(15, 23, 42, 0.45);
    backdrop-filter: blur(8px);
}
.visualise-modal.is-open { display: flex; }

.visualise-modal-content {
    display: flex;
    flex-direction: column;
    width: min(1400px, 100%);
    height: min(900px, 100%);
    background: var(--pp-surface, #fff);
    color: var(--pp-text, #1f2933);
    border-radius: var(--pp-radius-2xl, 20px);
    box-shadow: var(--pp-shadow-modal, 0 24px 60px rgba(15, 23, 42, 0.25));
    overflow: hidden;
}

.visualise-modal-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    padding: 20px 24px 12px;
}
.visualise-modal-header h2 { margin: 0; font-size: 1.375rem; font-weight: 700; }
.visualise-modal-header p { margin: 4px 0 0; color: var(--pp-text-secondary, #64748b); font-size: 0.9rem; }
.visualise-badge {
    display: inline-block;
    margin-left: 8px;
    padding: 2px 8px;
    border-radius: 4px;
    background: var(--pp-beta-500, #ff4800);
    color: #fff;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    vertical-align: middle;
}
.visualise-close {
    flex: none;
    width: 36px;
    height: 36px;
    border: 1px solid var(--pp-border, #e2e8f0);
    border-radius: 10px;
    background: transparent;
    color: var(--pp-text-secondary, #64748b);
    cursor: pointer;
}
.visualise-close:hover { background: var(--pp-bg-soft, #f1f5f9); }

.visualise-modal-body {
    flex: 1;
    min-height: 0;
    display: grid;
    grid-template-columns: minmax(0, 1fr) 260px;
    gap: 16px;
    padding: 0 24px 24px;
}

.visualise-main { display: flex; flex-direction: column; min-height: 0; gap: 8px; }
.visualise-frame { position: relative; flex: 1; min-height: 0; display: flex; }
.visualise-stage {
    position: relative;
    flex: 1;
    min-width: 0;
    min-height: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 14px;
    background: #0f172a;
    overflow: hidden;
}
.visualise-scene { position: relative; overflow: hidden; }
.visualise-scene > img { display: block; width: 100%; height: 100%; user-select: none; }
.visualise-overlay {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}
.visualise-stage .visualise-loading { color: #cbd5e1; }
.visualise-stage .visualise-loading p { color: #cbd5e1 !important; }
.visualise-loading-group {
    margin: 0;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    color: #94a3b8 !important;
}
.visualise-stage .visualise-loading-message {
    margin: 0;
    font-size: 0.875rem;
    font-style: italic;
}
.visualise-stage.visualise-stage-busy {
    opacity: 0.55;
    transition: opacity 0.15s ease;
}
.visualise-scene-busy {
    position: absolute;
    inset: 0;
    z-index: 4;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
}
.visualise-scene-busy[hidden] {
    display: none !important;
}
.visualise-scene-busy-spinner {
    border-color: rgba(255, 255, 255, 0.22);
    border-top-color: rgba(255, 255, 255, 0.95);
    border-right-color: rgba(255, 255, 255, 0.45);
    border-bottom-color: rgba(255, 255, 255, 0.22);
    border-left-color: rgba(255, 255, 255, 0.22);
}
.visualise-frame:focus { outline: none; }
.visualise-frame:focus-visible {
    outline: 2px solid var(--pp-primary-400, #60a5fa);
    outline-offset: 2px;
}
.visualise-footnote { margin: 0; min-height: 1.2em; font-size: 0.8rem; color: var(--pp-text-muted, #94a3b8); }

.visualise-error { max-width: 420px; padding: 24px; text-align: center; color: #e2e8f0; }
.visualise-error p { margin: 0 0 16px; line-height: 1.5; }
.visualise-error-actions { display: flex; gap: 8px; justify-content: center; }
.visualise-btn, .visualise-btn-primary {
    padding: 8px 16px;
    border-radius: 10px;
    font: inherit;
    font-size: 0.875rem;
    cursor: pointer;
    border: 1px solid rgba(226, 232, 240, 0.4);
    background: transparent;
    color: #e2e8f0;
}
.visualise-btn-primary { background: var(--pp-primary-500, #3b82f6); border-color: transparent; color: #fff; }

.visualise-scenes { display: flex; flex-direction: column; gap: 12px; overflow-y: auto; overscroll-behavior: contain; min-height: 0; }
.visualise-scene-card {
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding: 8px;
    border: 2px solid var(--pp-border, #e2e8f0);
    border-radius: 12px;
    background: var(--pp-surface, #fff);
    color: inherit;
    font: inherit;
    font-size: 0.85rem;
    font-weight: 600;
    text-align: left;
    cursor: pointer;
}
.visualise-scene-card img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border-radius: 8px; background: #e2e8f0; }
.visualise-scene-card:hover { border-color: var(--pp-primary-300, #93c5fd); }
.visualise-scene-card.is-active { border-color: var(--pp-primary-500, #3b82f6); }

/* Grouped scenes (e.g. viewing distance): one card, a row of small options. */
.visualise-scene-group {
    flex: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 10px 8px 8px;
    border: 2px solid var(--pp-border, #e2e8f0);
    border-radius: 12px;
    background: var(--pp-surface, #fff);
}
.visualise-scene-group.has-active { border-color: var(--pp-primary-300, #93c5fd); }
.visualise-scene-group-title { display: flex; align-items: center; gap: 8px; padding: 0 2px; font-size: 0.85rem; font-weight: 600; }
.visualise-scene-group-title i { color: var(--pp-text-secondary, #64748b); }
.visualise-scene-group-row { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 6px; }
.visualise-scene-option {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    min-width: 0;
    padding: 4px 4px 6px;
    border: 2px solid transparent;
    border-radius: 10px;
    background: transparent;
    color: inherit;
    font: inherit;
    text-align: center;
    cursor: pointer;
}
.visualise-scene-option img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border-radius: 6px; margin-bottom: 4px; background: #e2e8f0; }
.visualise-scene-option:hover { background: var(--pp-bg-soft, #f1f5f9); }
.visualise-scene-option.is-active { border-color: var(--pp-primary-500, #3b82f6); }
.visualise-scene-option-label { font-size: 0.8rem; font-weight: 700; }
.visualise-scene-option-hint { font-size: 0.7rem; line-height: 1.2; color: var(--pp-text-secondary, #64748b); }

@media (max-width: 860px) {
    .visualise-modal { padding: 0; }
    .visualise-modal-content { height: 100%; border-radius: 0; }
    .visualise-modal-header { padding: 16px 16px 8px; }
    .visualise-modal-body { grid-template-columns: 1fr; grid-template-rows: minmax(0, 1fr) auto; padding: 0 16px 16px; }
    .visualise-scenes { flex-direction: row; overflow-x: auto; overflow-y: hidden; }
    .visualise-scene-card { flex: 0 0 150px; }
    .visualise-scene-group { flex: 0 0 300px; }
}

/* Full screen + scene navigation */
.visualise-fs-btn,
.visualise-nav {
    position: absolute;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    border-radius: 999px;
    background: rgba(15, 23, 42, 0.55);
    color: #fff;
    cursor: pointer;
    backdrop-filter: blur(6px);
    transition: background 0.15s ease;
}
.visualise-fs-btn:hover,
.visualise-nav:hover { background: rgba(15, 23, 42, 0.8); }
.visualise-fs-btn:focus-visible,
.visualise-nav:focus-visible { outline: 2px solid #fff; outline-offset: 2px; }
.visualise-fs-btn { top: 12px; right: 12px; width: 40px; height: 40px; }
.visualise-fs-btn[hidden] { display: none; }
.visualise-nav { top: 50%; width: 48px; height: 48px; margin-top: -24px; font-size: 1.1rem; display: none; }
.visualise-nav-prev { left: 16px; }
.visualise-nav-next { right: 16px; }
.visualise-frame.has-multiple-scenes .visualise-nav { display: flex; }
.visualise-fs-caption {
    position: absolute;
    left: 50%;
    bottom: 20px;
    transform: translateX(-50%);
    z-index: 2;
    display: none;
    padding: 6px 14px;
    border-radius: 999px;
    background: rgba(15, 23, 42, 0.55);
    color: #fff;
    font-size: 0.9rem;
    font-weight: 600;
    backdrop-filter: blur(6px);
}
.visualise-frame.is-fullscreen { background: #0b1220; }
.visualise-frame.is-fullscreen .visualise-stage { border-radius: 0; }
.visualise-frame.is-fullscreen .visualise-fs-caption { display: block; }
.visualise-frame.is-fullscreen .visualise-fs-btn,
.visualise-frame.is-fullscreen .visualise-nav,
.visualise-frame.is-fullscreen .visualise-fs-caption { transition: opacity 0.35s ease, background 0.15s ease; }
.visualise-frame.is-fullscreen.controls-idle { cursor: none; }
.visualise-frame.is-fullscreen.controls-idle .visualise-fs-btn,
.visualise-frame.is-fullscreen.controls-idle .visualise-fs-caption { opacity: 0; pointer-events: none; }
.visualise-frame.is-fullscreen.controls-idle .visualise-nav { opacity: 0.35; }
@media (prefers-reduced-motion: reduce) {
    .visualise-frame.is-fullscreen .visualise-fs-btn,
    .visualise-frame.is-fullscreen .visualise-nav,
    .visualise-frame.is-fullscreen .visualise-fs-caption { transition: none; }
}

/* PosterPro branding, full screen only; stays visible when the controls fade. */
.visualise-fs-brand {
    position: absolute;
    top: 14px;
    left: 16px;
    z-index: 2;
    display: none;
    padding: 6px 12px 6px 6px;
    border-radius: 12px;
    background: rgba(15, 23, 42, 0.45);
    backdrop-filter: blur(6px);
    pointer-events: none;
}
.visualise-fs-brand img { display: block; height: 30px; width: auto; }
.visualise-frame.is-fullscreen .visualise-fs-brand { display: block; }