/* =====================================================================
   style.css — giao diện theo bản vẽ "Mat bang"
   Bảng màu lấy từ ảnh thiết kế: nền đen-xanh ô-liu, accent đất nung,
   chữ trắng ngà, nút đang chọn là viên thuốc trắng chữ đậm.
   ===================================================================== */

:root {
  --bg:          #12150d;
  --bg-2:        #1a1e11;
  --ink:         #efe9ef;
  --ink-dim:     rgba(239, 233, 239, .58);
  --line:        rgba(239, 233, 239, .22);
  --line-strong: rgba(244, 242, 238, .82);
  --pill:        #f4f2ee;
  --pill-ink:    #14170f;
  --accent:      #c1786c;

  --font-pixel: "Silkscreen", "Press Start 2P", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --font-ui: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

  --edge-x: clamp(14px, 2.5vw, 46px);
  --edge-y: clamp(14px, 3.2vh, 38px);
}

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }

html, body {
  height: 100%;
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-ui);
  overflow: hidden;
  overscroll-behavior: none;
}

body { -webkit-tap-highlight-color: transparent; }

/* ============================ KHUNG NHÌN ============================ */
.viewer {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

#framesView { display: block; touch-action: none; cursor: grab; }
#framesView.is-dragging { cursor: grabbing; }

.viewer--plan {
  overflow: hidden;
  touch-action: none;
  cursor: grab;
  background:
    radial-gradient(78% 78% at 50% 45%, #1d2214 0%, #0d1008 100%);
}
.viewer--plan.is-dragging { cursor: grabbing; }

.viewer--plan img {
  position: absolute;
  top: 0;
  left: 0;
  max-width: none;
  transform-origin: 0 0;
  will-change: transform;
  -webkit-user-select: none;
  user-select: none;
  box-shadow: 0 26px 70px rgba(0, 0, 0, .65);
}

/* Lớp làm tối viền màn hình cho giống ảnh thiết kế */
.vignette {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    radial-gradient(125% 95% at 50% 42%, rgba(0, 0, 0, 0) 42%, rgba(6, 8, 4, .55) 100%),
    linear-gradient(180deg, rgba(6, 8, 4, .38) 0%, rgba(6, 8, 4, 0) 22%, rgba(6, 8, 4, 0) 72%, rgba(6, 8, 4, .5) 100%);
}

/* ============================ NÚT MENU ============================ */
.menu-btn {
  position: fixed;
  top: var(--edge-y);
  left: var(--edge-x);
  z-index: 6;
  padding: 0;
  border: 0;
  background: none;
  cursor: pointer;
  line-height: 0;
  transition: transform .25s ease, opacity .25s ease;
}
.menu-btn img {
  width: clamp(72px, 5.4vw, 104px);
  height: auto;
  display: block;
  -webkit-user-drag: none;
}
.menu-btn:hover { transform: translateY(-1px); opacity: .88; }
.menu-btn:active { transform: scale(.97); }

/* ========================== TÊN KHÔNG GIAN ========================== */
.scene-tag {
  position: fixed;
  top: var(--edge-y);
  right: var(--edge-x);
  z-index: 6;
  display: flex;
  align-items: baseline;
  gap: 10px;
  pointer-events: none;
  text-align: right;
}
.scene-tag__idx {
  font-family: var(--font-pixel);
  font-size: clamp(9px, .72vw, 11px);
  color: var(--accent);
  letter-spacing: .08em;
}
.scene-tag__name {
  font-size: clamp(11px, .92vw, 14px);
  font-weight: 600;
  letter-spacing: .22em;
  text-transform: uppercase;
  text-shadow: 0 2px 14px rgba(0, 0, 0, .7);
}

/* ========================= THANH CÔNG CỤ DỌC ========================= */
.toolbar {
  position: fixed;
  top: 50%;
  right: calc(var(--edge-x) + 4px);
  transform: translateY(-50%);
  z-index: 6;
  width: clamp(54px, 4.3vw, 82px);
  aspect-ratio: 80 / 146;
}
.toolbar__art {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: fill;
  opacity: .85;
  pointer-events: none;
  -webkit-user-drag: none;
}
.toolbar__btn {
  position: absolute;
  left: 7%;
  width: 86%;
  height: 43%;
  padding: 0;
  border: 0;
  border-radius: 999px;
  background: transparent;
  cursor: pointer;
  transition: background .2s ease;
}
.toolbar__btn[data-tool="plan"] { top: 6%; }
.toolbar__btn[data-tool="spin"] { bottom: 6%; }
.toolbar__btn:hover { background: rgba(244, 242, 238, .12); }
.toolbar__btn.is-active { background: rgba(193, 120, 108, .26); }

/* nhãn nổi */
.tip {
  position: absolute;
  top: 50%;
  right: calc(100% + 10px);
  transform: translate(6px, -50%);
  padding: 6px 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: rgba(10, 12, 7, .86);
  color: var(--ink);
  font-family: var(--font-pixel);
  font-size: 9px;
  letter-spacing: .08em;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s ease, transform .2s ease;
}
.toolbar__btn:hover .tip,
.toolbar__btn:focus-visible .tip { opacity: 1; transform: translate(0, -50%); }

/* ============================= GỢI Ý ============================= */
.hint {
  position: fixed;
  left: 50%;
  bottom: calc(var(--edge-y) + 74px);
  transform: translateX(-50%);
  z-index: 6;
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(244, 242, 238, .86);
  transition: opacity .5s ease;
  pointer-events: none;
}
.hint.is-hidden { opacity: 0; }
.hint__txt {
  font-family: var(--font-pixel);
  font-size: clamp(9px, .78vw, 11px);
  letter-spacing: .16em;
  text-shadow: 0 2px 12px rgba(0, 0, 0, .8);
}
.hint__dot { animation: wheelDot 1.9s cubic-bezier(.4, 0, .2, 1) infinite; }

@keyframes wheelDot {
  0%        { transform: translateY(0);    opacity: 0; }
  18%       { opacity: 1; }
  62%       { transform: translateY(13px); opacity: 0; }
  100%      { transform: translateY(13px); opacity: 0; }
}

/* =========================== CHUYỂN CHẾ ĐỘ =========================== */
.modebar {
  position: fixed;
  left: 50%;
  bottom: var(--edge-y);
  transform: translateX(-50%);
  z-index: 6;
  display: flex;
  gap: 4px;
  padding: 5px;
  border: 1.5px solid var(--line-strong);
  border-radius: 15px;
  background: rgba(10, 12, 7, .34);
  -webkit-backdrop-filter: blur(7px);
  backdrop-filter: blur(7px);
  box-shadow: 0 14px 40px rgba(0, 0, 0, .45);
}

.mode {
  border: 0;
  border-radius: 10px;
  padding: clamp(7px, 1.05vh, 11px) clamp(14px, 2vw, 30px);
  background: transparent;
  color: var(--pill);
  font-family: var(--font-pixel);
  font-size: clamp(8px, .74vw, 11px);
  letter-spacing: .1em;
  text-transform: uppercase;
  white-space: nowrap;
  cursor: pointer;
  transition: background .22s ease, color .22s ease;
}
.mode:hover { background: rgba(244, 242, 238, .14); }
.mode[aria-selected="true"] {
  background: var(--pill);
  color: var(--pill-ink);
  box-shadow: 0 4px 16px rgba(0, 0, 0, .4);
}

/* =========================== MÀN HÌNH CHỜ =========================== */
.loader {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: grid;
  place-content: center;
  justify-items: center;
  gap: 16px;
  background: radial-gradient(80% 80% at 50% 50%, #1b2013 0%, #0c0f07 100%);
  transition: opacity .7s ease, visibility .7s ease;
}
.loader.is-done { opacity: 0; visibility: hidden; pointer-events: none; }

.loader__brand {
  font-family: var(--font-pixel);
  font-size: clamp(10px, .95vw, 13px);
  letter-spacing: .34em;
  color: rgba(244, 242, 238, .9);
}
.loader__bar {
  width: min(320px, 62vw);
  height: 2px;
  background: rgba(244, 242, 238, .16);
  overflow: hidden;
}
.loader__bar i {
  display: block;
  height: 100%;
  width: 0;
  background: var(--accent);
  transition: width .3s ease;
}
.loader__pct {
  font-family: var(--font-pixel);
  font-size: 10px;
  letter-spacing: .12em;
  color: var(--ink-dim);
}

/* ============================== THÔNG BÁO ============================== */
.notice {
  position: fixed;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  z-index: 21;
  max-width: min(560px, 84vw);
  padding: 22px 26px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(14, 17, 9, .94);
  color: var(--ink);
  font-size: 14px;
  line-height: 1.6;
  text-align: center;
}
.notice code {
  font-family: var(--font-pixel);
  font-size: 11px;
  color: var(--accent);
}

/* =============================== MENU =============================== */
.scrim {
  position: fixed;
  inset: 0;
  z-index: 25;
  background: rgba(6, 8, 4, .58);
  -webkit-backdrop-filter: blur(3px);
  backdrop-filter: blur(3px);
  opacity: 0;
  transition: opacity .35s ease;
}
.scrim.is-open { opacity: 1; }

.drawer {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 30;
  width: min(400px, 88vw);
  display: flex;
  flex-direction: column;
  padding: 22px 0 12px;
  border-right: 1px solid var(--line);
  background: linear-gradient(180deg, #191d11 0%, #0f1209 100%);
  box-shadow: 24px 0 70px rgba(0, 0, 0, .55);
  transform: translateX(-102%);
  transition: transform .42s cubic-bezier(.22, .9, .24, 1);
}
.drawer.is-open { transform: none; }

.drawer__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px 16px;
  border-bottom: 1px solid var(--line);
}
.drawer__title {
  font-family: var(--font-pixel);
  font-size: 12px;
  letter-spacing: .22em;
  color: var(--ink);
}
.drawer__close {
  width: 30px;
  height: 30px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: transparent;
  color: var(--ink);
  font-size: 13px;
  line-height: 1;
  cursor: pointer;
  transition: background .2s ease;
}
.drawer__close:hover { background: rgba(244, 242, 238, .12); }

.drawer__list {
  flex: 1;
  overflow-y: auto;
  padding: 12px 12px 20px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  scrollbar-width: thin;
  scrollbar-color: rgba(239, 233, 239, .3) transparent;
}

.scene {
  display: grid;
  grid-template-columns: 68px 1fr auto;
  align-items: center;
  gap: 14px;
  width: 100%;
  padding: 10px;
  border: 1px solid transparent;
  border-radius: 10px;
  background: transparent;
  color: var(--ink);
  text-align: left;
  cursor: pointer;
  transition: background .2s ease, border-color .2s ease;
}
.scene:hover { background: rgba(244, 242, 238, .07); }
.scene.is-active {
  border-color: rgba(193, 120, 108, .75);
  background: rgba(193, 120, 108, .14);
}

.scene__thumb {
  width: 68px;
  height: 46px;
  object-fit: cover;
  border-radius: 6px;
  border: 1px solid rgba(239, 233, 239, .18);
  background: #0e1108;
}

.scene__body { display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.scene__no {
  font-family: var(--font-pixel);
  font-size: 9px;
  letter-spacing: .1em;
  color: var(--accent);
}
.scene__name {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .09em;
  text-transform: uppercase;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.scene__sub { font-size: 11px; color: var(--ink-dim); }

.scene__badge {
  font-family: var(--font-pixel);
  font-size: 8px;
  letter-spacing: .08em;
  color: var(--ink-dim);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 4px 6px;
  white-space: nowrap;
}

.drawer__foot {
  padding: 14px 20px 4px;
  border-top: 1px solid var(--line);
  font-size: 11px;
  color: var(--ink-dim);
}

/* ============================== MOBILE ============================== */
@media (max-width: 720px) {
  .scene-tag { display: none; }
  .hint { bottom: calc(var(--edge-y) + 64px); }
  .toolbar { width: 52px; }
  .mode { padding: 8px 14px; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}