/* ══════════════════════════════════════════════════════════════════════════════
   davidsUpdatedLoadingIconsStyles.css
   TNT | David's Updated Loading Icons Simulation
   Created: 10/02/2026
   Theme:   deep purple / HBO Max homage
   ══════════════════════════════════════════════════════════════════════════════ */

:root {
    --loading-accent:   #d54cd5;              /* purple — matches default circle color  */
    --loading-dark:     #12001a;              /* near-black background for main section */
    --loading-card-bg:  rgba(26,4,38,0.92);   /* dark card with slight purple tint      */
    --loading-border:   rgba(213,76,213,0.22);
}

/* ── Hero ──────────────────────────────────────────────────────────────────── */
#hero {
    min-height: 32vh;
    background:
        linear-gradient(180deg, rgba(18,0,26,0.96) 0%, rgba(35,0,55,0.34) 100%),
        url('../images/hboLoadingIcons-background.gif') center / cover no-repeat;
    padding: 4rem 1rem 3rem;
}

/* ── Main section ──────────────────────────────────────────────────────────── */
#simSection {
    background: linear-gradient(180deg, var(--loading-dark) 0%, #08000f 100%);
    padding: 2.5rem 1rem 4.5rem;
}

/* ── About section ─────────────────────────────────────────────────────────── */
details.about-details {
    background: rgba(213,76,213,0.07);
    border: 1px solid var(--loading-border);
    border-radius: 10px;
    padding: 0.9rem 1.15rem;
    margin-bottom: 1.35rem;
    color: rgba(255,255,255,0.80);
    font-size: 0.9rem;
    line-height: 1.7;
}

details.about-details summary {
    cursor: pointer;
    font-weight: 600;
    color: var(--loading-accent);
    font-style: italic;
    font-size: 0.92rem;
    list-style: none;   /* remove default triangle on some browsers */
}

details.about-details summary::before {
    content: '\25B6\00A0';  /* ▶ */
    font-style: normal;
    font-size: 0.75em;
    opacity: 0.6;
}

details[open].about-details summary::before {
    content: '\25BC\00A0';  /* ▼ */
}

details.about-details p:last-child { margin-bottom: 0; }

/* ── Canvas card ───────────────────────────────────────────────────────────── */
.app-card {
    background: var(--loading-card-bg);
    border: 1px solid var(--loading-border);
    border-radius: 12px;
    padding: 1.1rem;
    box-shadow: 0 4px 28px rgba(0,0,0,0.55);
}

#sketchContainer canvas {
    border-radius: 6px;
    display: block;
}

#msgPara {
    color: rgba(255,255,255,0.38);
    font-size: 0.78rem;
    text-align: center;
    margin: 0.5rem 0 0;
    font-style: italic;
}

/* ── Controls card ─────────────────────────────────────────────────────────── */
.ctrl-card {
    background: var(--loading-card-bg);
    border: 1px solid var(--loading-border);
    border-radius: 12px;
    padding: 1rem 1.15rem;
    box-shadow: 0 4px 28px rgba(0,0,0,0.55);
}

/* ── Control section headings ──────────────────────────────────────────────── */
.ctrl-heading {
    font-size: 0.67rem;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--loading-accent);
    margin-bottom: 0.55rem;
}

/* ── Dividers within the controls card ────────────────────────────────────── */
.ctrl-hr {
    border-color: var(--loading-border);
    margin: 0.7rem 0;
}

/* ── Slider group: label row + range input ─────────────────────────────────── */
.slider-group {
    margin-bottom: 0.6rem;
}

.slider-group label {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    font-size: 0.82rem;
    color: rgba(255,255,255,0.72);
    margin-bottom: 0.18rem;
    cursor: default;
}

.slider-val {
    font-weight: 700;
    color: var(--loading-accent);
    font-size: 0.82rem;
    min-width: 3ch;
    text-align: right;
}

.slider-group input[type="range"] {
    accent-color: var(--loading-accent);
}

/* ── Color picker rows ─────────────────────────────────────────────────────── */
.color-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.5rem;
    font-size: 0.82rem;
    color: rgba(255,255,255,0.72);
}

.color-row label {
    flex: 1;
    cursor: pointer;
}

input[type="color"] {
    width: 2.4rem;
    height: 1.9rem;
    border: 2px solid var(--loading-border);
    border-radius: 6px;
    padding: 2px;
    cursor: pointer;
    background: transparent;
    flex-shrink: 0;
    transition: border-color 0.18s;
}

input[type="color"]:hover {
    border-color: var(--loading-accent);
}

/* ── Control buttons ───────────────────────────────────────────────────────── */
.btn-ctrl {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    width: 100%;
    padding: 0.5rem 0.75rem;
    border-radius: 8px;
    font-size: 0.83rem;
    font-weight: 700;
    cursor: pointer;
    border: 2px solid var(--loading-accent);
    background: transparent;
    color: var(--loading-accent);
    transition: background 0.18s, color 0.18s, transform 0.1s;
    margin-bottom: 0.45rem;
    line-height: 1.4;
}

.btn-ctrl:hover {
    background: rgba(213,76,213,0.15);
    transform: translateY(-1px);
}

.btn-ctrl.btn-active {
    background: var(--loading-accent);
    color: #fff;
}

.btn-ctrl.btn-reset {
    border-color: rgba(255,255,255,0.45);
    color: rgba(255,255,255,0.75);
}

.btn-ctrl.btn-reset:hover {
    background: rgba(255,255,255,0.08);
    color: #fff;
}

/* ── Spark bar — each app defines its own since tnt-base-styles.css does not ─ */
.spark-bar {
    background: #0c0012;
    padding: 0.5rem 1rem;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 1.4rem;
    border-bottom: 1px solid var(--loading-border);
}
.spark-bar a { color: var(--loading-accent); font-weight: 700; font-size: 0.88rem; text-decoration: none; }
.spark-bar a:hover { text-decoration: underline; color: #e880e8; }
.spark-bar span { color: rgba(255,255,255,0.40); font-size: 0.80rem; margin-left: auto; }

/* ── Mobile: stack columns ─────────────────────────────────────────────────── */
@media (max-width: 767px) {
    .ctrl-card { margin-top: 1rem; }
}