/*
  Emmy STACK01 — Meeting Background Studio (/tools/meeting_background_studio).
  Loads AFTER index-style.css and reuses its tokens, nav, drawer, buttons and footer.
  Page-specific styles use the prefix ms-.
*/

[hidden] { display: none !important; }
.nav-links > li > a[aria-current="page"], .dropdown-content a[aria-current="page"] { color: var(--primary-color); }
.dropbtn.is-current { color: var(--primary-color); box-shadow: 0 2px 0 var(--accent-color); }
.sr-only { position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }

/* ---------- Hero ---------- */
.ms-hero { position: relative; isolation: isolate; overflow: hidden; color: var(--text-main);
  background:
    radial-gradient(800px 420px at 88% 0%, color-mix(in srgb, var(--accent-color) 22%, transparent), transparent 70%),
    radial-gradient(700px 400px at 0% 100%, color-mix(in srgb, var(--primary-color) 30%, transparent), transparent 70%),
    var(--b-dark); }
.ms-hero::before { content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background:
    linear-gradient(color-mix(in srgb, var(--primary-color) 18%, transparent) 1px, transparent 1px) 0 0 / 48px 48px,
    linear-gradient(90deg, color-mix(in srgb, var(--primary-color) 18%, transparent) 1px, transparent 1px) 0 0 / 48px 48px;
  -webkit-mask-image: linear-gradient(to bottom, #000 15%, transparent 95%); mask-image: linear-gradient(to bottom, #000 15%, transparent 95%); }
.ms-hero-inner { max-width: var(--max); margin: 0 auto; padding: clamp(2rem, 6vw, 3.5rem) var(--pad) clamp(2.25rem, 6vw, 3.5rem); }
.ms-eyebrow { display: block; margin-bottom: .6rem; font-size: var(--fs-small); font-weight: 800; letter-spacing: .14em; text-transform: uppercase; color: var(--accent-color); }
.ms-hero h1 { max-width: 18ch; font-family: var(--font-display); font-weight: 700; line-height: .95; letter-spacing: -.02em; text-transform: uppercase; text-wrap: balance; font-size: clamp(2.4rem, 1.3rem + 5vw, 4.6rem); }
.ms-hero h1 em { font-style: normal; color: var(--accent-color); }
.ms-hero p.lead { margin-top: 1rem; max-width: 50ch; font-size: clamp(1rem, .94rem + .3vw, 1.2rem); font-weight: 500; color: var(--text-muted); text-wrap: pretty; }
.ms-badges { display: flex; flex-wrap: wrap; gap: .5rem; margin: 1.25rem 0 0; padding: 0; list-style: none; }
.ms-badges li { display: inline-flex; align-items: center; gap: .4rem; min-height: 34px; padding: 0 .9rem; border: 1px solid color-mix(in srgb, var(--accent-color) 35%, transparent); border-radius: 999px; background: color-mix(in srgb, var(--text-main) 7%, transparent); font-size: var(--fs-small); font-weight: 700; color: var(--text-main); }
.ms-badges i { color: var(--accent-color); }

/* ---------- App layout ---------- */
.ms-wrap { max-width: var(--max); margin: 0 auto; padding: clamp(1.5rem, 5vw, 3rem) var(--pad); }
.ms-app { display: grid; gap: clamp(1.25rem, 3vw, 2rem); grid-template-columns: minmax(0, 1fr); align-items: start; }
.ms-col { display: grid; gap: 1rem; min-width: 0; }
.ms-card { margin: 0; padding: clamp(1rem, 3vw, 1.5rem); border: 1px solid var(--line); border-radius: 22px; background: #fff; box-shadow: 0 10px 30px color-mix(in srgb, var(--secondary-color) 7%, transparent); min-width: 0; }
.ms-card > h2, .ms-card > legend { float: left; width: 100%; margin: 0 0 1rem; padding: 0; font-family: var(--font-display); font-weight: 700; line-height: 1; text-transform: uppercase; font-size: var(--fs-h3); color: var(--secondary-color); }
.ms-card > h2 + *, .ms-card > legend + * { clear: both; }
.ms-lbl { display: block; margin-bottom: .4rem; font-size: var(--fs-small); font-weight: 800; letter-spacing: .04em; text-transform: uppercase; color: var(--ink-soft); }
.ms-link { min-height: 44px; padding: 0 .5rem; border: 0; background: none; font: inherit; font-size: var(--fs-small); font-weight: 800; color: var(--primary-color); text-decoration: underline; text-underline-offset: 3px; cursor: pointer; }
.ms-opts { display: grid; gap: 1rem; }
.ms-seg { display: inline-flex; flex-wrap: wrap; padding: .2rem; border: 1px solid var(--line); border-radius: 999px; background: var(--tint); }
.ms-seg label { position: relative; }
.ms-seg input { position: absolute; opacity: 0; inset: 0; width: 100%; height: 100%; margin: 0; cursor: pointer; }
.ms-seg span { display: inline-flex; align-items: center; justify-content: center; gap: .35rem; min-height: 44px; padding: 0 1.1rem; border-radius: 999px; font-size: var(--fs-small); font-weight: 800; color: var(--ink-soft); transition: background .2s, color .2s; }
.ms-seg input:checked + span { background: var(--grad); color: #fff; }
.ms-seg input:focus-visible + span { outline: 3px solid var(--accent-color); outline-offset: 2px; }
.ms-check { display: flex; align-items: center; gap: .75rem; min-height: 44px; font-weight: 700; color: var(--secondary-color); cursor: pointer; }
.ms-check input { flex: none; width: 22px; height: 22px; accent-color: var(--primary-color); cursor: pointer; }
.ms-hint { font-size: var(--fs-small); line-height: 1.5; color: var(--ink-soft); }

/* ---------- Studio ---------- */
.ms-app { grid-template-columns: minmax(0, 1fr); }
.ms-stage-col { min-width: 0; display: grid; gap: .9rem; align-content: start; }
.ms-toolbar { display: flex; flex-wrap: wrap; align-items: center; gap: .6rem 1rem; }
.ms-toolbar .ms-check { min-height: 44px; font-size: var(--fs-small); }
.ms-box { position: relative; container-type: inline-size; width: 100%; aspect-ratio: 16 / 9; overflow: hidden; border-radius: 18px; background: #111; box-shadow: 0 20px 50px rgba(11, 16, 32, .35); }
.ms-layer { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.ms-canvas { position: absolute; inset: 0; width: 100%; height: 100%; touch-action: manipulation; cursor: default; }
.ms-canvas.over { cursor: move; } .ms-canvas.drag { cursor: grabbing; }
.ms-canvas:focus-visible { outline: 3px solid var(--accent-color); outline-offset: -3px; }
.ms-guide { position: absolute; left: 50%; top: 50%; width: 30%; height: 86%; transform: translate(-50%, -50%); border: 2px dashed rgba(255, 255, 255, .85); border-radius: 50% 50% 8% 8% / 36% 36% 8% 8%; pointer-events: none; background: rgba(0, 204, 255, .08); }
.ms-guide span { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); padding: .2em .6em; border-radius: 999px; background: rgba(11, 16, 32, .75); font-size: clamp(9px, 1.7cqw, 15px); font-weight: 800; color: #fff; white-space: nowrap; }
.ms-mock { position: absolute; inset: 0; pointer-events: none; }
.ms-zoom-bar { position: absolute; left: 0; right: 0; bottom: 0; height: 8%; background: rgba(0, 0, 0, .88); }
.ms-zoom-name { position: absolute; left: 2%; bottom: 10%; padding: .25em .7em; border-radius: 4px; background: rgba(0, 0, 0, .55); font-size: 1.8cqw; font-weight: 700; color: #fff; }
.ms-meet-bar { position: absolute; left: 50%; bottom: 4%; width: 42%; height: 10%; transform: translateX(-50%); border-radius: 999px; background: #3c4043; }
.ms-help { font-size: var(--fs-small); line-height: 1.55; color: var(--ink-soft); }
.ms-actions { display: flex; flex-wrap: wrap; align-items: center; gap: .75rem 1rem; }
.ms-dl { flex: 1 1 14rem; min-height: 56px; cursor: pointer; background: var(--grad); font-family: inherit; font-size: 1.05rem; justify-content: center; }
.ms-dl:disabled { opacity: .7; cursor: progress; }
.ms-status { min-height: 1.5em; font-size: var(--fs-small); font-weight: 700; color: var(--ink-soft); }
.ms-status.ok { color: #067647; } .ms-status.err { color: #b42318; }

.ms-controls { display: grid; gap: 1rem; min-width: 0; align-content: start; }
.ms-field { display: grid; gap: .35rem; min-width: 0; }
.ms-field + .ms-field, .ms-field + .ms-opts2, .ms-opts2 + .ms-field { margin-top: .9rem; }
.ms-in { width: 100%; min-width: 0; min-height: 46px; padding: .6rem .8rem; border: 1px solid color-mix(in srgb, var(--secondary-color) 22%, transparent); border-radius: 12px; background: #fff; font: inherit; font-size: 1rem; color: var(--b-dark); }
.ms-in:focus { outline: 3px solid color-mix(in srgb, var(--accent-color) 55%, transparent); border-color: var(--primary-color); }
.ms-in[aria-invalid="true"] { border-color: #d92d20; }
.ms-err { font-size: var(--fs-small); font-weight: 700; color: #b42318; }
.ms-file { position: relative; display: inline-flex; align-items: center; gap: .5rem; min-height: 46px; padding: 0 1rem; border: 1px dashed color-mix(in srgb, var(--primary-color) 55%, transparent); border-radius: 12px; background: var(--tint); font-weight: 800; font-size: var(--fs-small); color: var(--primary-color); cursor: pointer; }
.ms-file:focus-within { outline: 3px solid color-mix(in srgb, var(--accent-color) 55%, transparent); outline-offset: 2px; }
.ms-file input { position: absolute; inset: 0; width: 100%; opacity: 0; cursor: pointer; }
.ms-thumbs { display: grid; gap: .5rem; margin: .8rem 0 0; padding: 0; list-style: none; grid-template-columns: repeat(3, minmax(0, 1fr)); }
.ms-thumb { position: relative; display: block; width: 100%; aspect-ratio: 16 / 9; padding: 0; overflow: hidden; border: 3px solid transparent; border-radius: 10px; background: transparent; cursor: pointer; }
.ms-thumb img { display: block; width: 100%; height: 100%; object-fit: cover; }
.ms-thumb[aria-pressed="true"] { border-color: var(--primary-color); box-shadow: 0 0 0 2px #fff inset; }
.ms-thumb:focus-visible { outline: 3px solid var(--accent-color); outline-offset: 2px; }
.ms-thumb.vid { display: grid; place-items: center; background: var(--b-dark); color: #fff; font-size: var(--fs-small); font-weight: 800; }
.ms-range { display: flex; align-items: center; gap: .75rem; }
.ms-range input { flex: 1; min-width: 0; height: 44px; accent-color: var(--primary-color); }
.ms-range output { min-width: 4.2rem; text-align: right; font-size: var(--fs-small); font-weight: 800; color: var(--ink-soft); font-variant-numeric: tabular-nums; }
.ms-pos { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: .4rem; }
.ms-pos button { display: grid; place-items: center; min-height: 44px; border: 1px solid var(--line); border-radius: 12px; background: #fff; font-size: 1.15rem; color: var(--secondary-color); cursor: pointer; }
.ms-pos button[aria-pressed="true"] { border-color: var(--primary-color); background: var(--tint); color: var(--primary-color); }
.ms-pos button:focus-visible { outline: 3px solid var(--accent-color); outline-offset: 2px; }
.ms-rm { justify-self: start; min-height: 44px; padding: 0 .25rem; border: 0; background: none; font: inherit; font-size: var(--fs-small); font-weight: 800; color: #b42318; text-decoration: underline; text-underline-offset: 3px; cursor: pointer; }

/* ---------- Explainers ---------- */
.ms-section { max-width: var(--max); margin: 0 auto; padding: clamp(1.5rem, 5vw, 3rem) var(--pad); }
.ms-section > h2 { margin-bottom: 1.25rem; padding-left: .9rem; border-left: 4px solid var(--accent-color); font-family: var(--font-display); font-weight: 700; line-height: 1; text-transform: uppercase; font-size: var(--fs-section); color: var(--secondary-color); text-wrap: balance; }
.ms-cards { display: grid; gap: 1rem; margin: 0; padding: 0; list-style: none; grid-template-columns: minmax(0, 1fr); }
.ms-info { padding: 1.3rem; border: 1px solid var(--line); border-radius: 20px; background: #fff; }
.ms-info i { display: grid; place-items: center; width: 46px; height: 46px; margin-bottom: .7rem; border-radius: 14px; background: var(--grad); font-size: 1.4rem; color: #fff; }
.ms-info h3 { font-family: var(--font-display); font-weight: 700; line-height: 1; text-transform: uppercase; font-size: 1.4rem; color: var(--secondary-color); }
.ms-info p { margin-top: .4rem; font-size: var(--fs-small); line-height: 1.65; color: var(--ink-soft); }
.ms-faq { display: grid; gap: .7rem; }
.ms-faq details { border: 1px solid var(--line); border-radius: 16px; background: #fff; }
.ms-faq summary { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 56px; padding: .6rem 1.1rem; font-weight: 800; color: var(--secondary-color); cursor: pointer; list-style: none; }
.ms-faq summary::-webkit-details-marker { display: none; }
.ms-faq summary::after { content: "+"; font-size: 1.5rem; line-height: 1; color: var(--primary-color); }
.ms-faq details[open] summary::after { content: "−"; }
.ms-faq summary:focus-visible { outline: 3px solid var(--accent-color); outline-offset: 2px; border-radius: 16px; }
.ms-faq details p { padding: 0 1.1rem 1rem; font-size: var(--fs-small); line-height: 1.65; color: var(--ink-soft); }

.ms-coffee { max-width: var(--max); margin: 0 auto; padding: 0 var(--pad) clamp(2rem, 6vw, 3.5rem); }
.ms-coffee-box { display: flex; flex-direction: column; align-items: center; gap: 1rem; padding: clamp(1.5rem, 4vw, 2.25rem); border-radius: 28px; text-align: center; color: var(--text-main);
  background: radial-gradient(520px 260px at 90% 0%, color-mix(in srgb, var(--accent-color) 22%, transparent), transparent 70%), var(--b-dark); }
.ms-coffee-box h2 { font-family: var(--font-display); font-weight: 700; line-height: 1; text-transform: uppercase; font-size: var(--fs-section); text-wrap: balance; }
.ms-coffee-box p { max-width: 46ch; color: var(--text-muted); text-wrap: pretty; }
.ms-coffee-box :focus-visible { outline-color: var(--accent-color); }

@media (min-width: 560px) { .ms-thumbs { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
@media (min-width: 720px) {
  .ms-cards { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (min-width: 1040px) {
  .ms-app { grid-template-columns: 24rem minmax(0, 1fr); }
  .ms-stage-col { order: 2; position: sticky; top: 1rem; }
  .ms-controls { order: 1; }
  .ms-thumbs { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (prefers-reduced-motion: reduce) { * { scroll-behavior: auto !important; transition: none !important; } }