/*
 * Demo-mode styles for Paper Assistant.
 *
 * Sample-paper picker modal shown when DEMO_MODE is on, plus tweaks to
 * the chat panel's empty-state copy used to describe the live chat
 * feature.
 */

/* ── Demo Picker ─────────────────────────────────────────────────────── */

.demo-picker {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2000;
}

.demo-picker__backdrop {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
}

.demo-picker__box {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--toolbar-bg, #ffffff);
    border: 1px solid var(--toolbar-sep-color, #ddd);
    border-radius: 8px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25);
    width: min(560px, 90vw);
    max-height: 80vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.demo-picker__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    background: var(--overlay-border, #0055AA);
    color: #ffffff;
    font-weight: bold;
    font-size: 14px;
    flex-shrink: 0;
}

.demo-picker__close {
    background: none;
    border: none;
    color: #ffffff;
    font-size: 20px;
    cursor: pointer;
    padding: 0 4px;
    line-height: 1;
}

.demo-picker__close:hover {
    opacity: 0.8;
}

.demo-picker__body {
    overflow-y: auto;
    padding: 8px 0;
}

.demo-picker__list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.demo-picker__item {
    display: block;
    width: 100%;
    text-align: left;
    background: none;
    border: none;
    padding: 12px 16px;
    cursor: pointer;
    font-family: var(--font-family);
    color: var(--toolbar-fg, #333);
    border-bottom: 1px solid var(--toolbar-sep-color, #eee);
}

.demo-picker__item:last-child {
    border-bottom: none;
}

.demo-picker__item:hover {
    background: var(--toolbar-btn-active, #f0f0f0);
}

.demo-picker__item-title {
    display: block;
    font-weight: 600;
    font-size: 13px;
    margin-bottom: 2px;
}

.demo-picker__item-description {
    display: block;
    font-size: 12px;
    color: var(--dialog-muted-fg, #666);
    line-height: 1.4;
}

.demo-picker__loading,
.demo-picker__empty,
.demo-picker__error {
    padding: 20px 16px;
    text-align: center;
    color: var(--dialog-muted-fg, #666);
    font-size: 13px;
}

.demo-picker__error {
    color: var(--dialog-error-bg, #dc3545);
}

/* ── License legend (CC BY attribution links) ───────────────────────── */

.demo-picker__legend {
    list-style: none;
    margin: 0;
    padding: 10px 16px 12px;
    border-top: 1px solid var(--toolbar-sep-color, #eee);
    font-size: 11px;
    color: var(--dialog-muted-fg, #666);
    line-height: 1.5;
}

.demo-picker__legend:empty {
    display: none;
}

.demo-picker__legend-item {
    display: block;
}

.demo-picker__legend-marker {
    display: inline-block;
    min-width: 1.5em;
    font-weight: 600;
    color: var(--toolbar-fg, #333);
}

.demo-picker__legend a {
    color: var(--overlay-border, #0055AA);
    text-decoration: none;
}

.demo-picker__legend a:hover {
    text-decoration: underline;
}

/* ── Chat panel demo description ─────────────────────────────────────── */

.chat-panel__empty--demo {
    text-align: left;
    padding: 16px 20px;
    line-height: 1.5;
}

.chat-panel__empty--demo strong {
    display: block;
    margin-bottom: 6px;
    color: var(--toolbar-fg);
    font-size: 11pt;
}