@font-face {
  font-family: 'SaltFont';
  src: url('assets/fonts/font.woff2') format('woff2');
  font-display: block;
}

:root {
  --bg: #0a0a0a;
  --panel-bg: rgba(13, 13, 13, 0.96);
  --panel-border: rgba(255, 255, 255, 0.06);
  --accent: #e8e0c8;
  --accent-dim: rgba(232, 224, 200, 0.5);
  --text: #c0bbb0;
  --text-dim: rgba(192, 187, 176, 0.42);
  --btn-bg: rgba(232, 224, 200, 0.07);
  --btn-hover: rgba(232, 224, 200, 0.13);
  --btn-disabled-bg: rgba(255, 255, 255, 0.02);
  --btn-disabled-color: rgba(255, 255, 255, 0.17);
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: var(--bg);
  font-family: 'SaltFont', monospace;
  color: var(--text);
  -webkit-tap-highlight-color: transparent;
}

#app {
  position: relative;
  width: 100%;
  height: 100dvh;
  height: 100vh;
  overflow: hidden;
  background: var(--bg);
}

/* ── Canvas ─────────────────────────────────────────────── */
#salt-canvas {
  position: absolute;
  inset: 0;
  z-index: 1;
  display: block;
}

/* ── Storm flash ────────────────────────────────────────── */
#storm-flash {
  position: absolute;
  inset: 0;
  z-index: 2;
  background: rgba(255, 255, 255, 0);
  pointer-events: none;
  transition: background 0.08s ease;
}

#storm-flash.flash {
  background: rgba(255, 255, 255, 0.042);
  transition: background 0.45s ease;
}

/* ── Site header ────────────────────────────────────────── */
#site-header {
  position: absolute;
  top: 16px;
  left: 20px;
  z-index: 20;
  font-size: clamp(13px, 2.2vw, 17px);
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.88);
  pointer-events: none;
  text-shadow:
    0 0 10px rgba(255, 255, 255, 0.55),
    0 0 24px rgba(255, 255, 255, 0.25),
    0 0 48px rgba(255, 255, 255, 0.10);
}

/* ── Shaker ─────────────────────────────────────────────── */
#shaker-zone {
  position: absolute;
  left: 50%;
  top: 40%;
  /* transform is set entirely by JS – do not add one here */
  width: min(200px, 42vw);
  height: min(200px, 42vw);
  z-index: 10;
  cursor: grab;
  user-select: none;
  -webkit-user-select: none;
  touch-action: none;
  perspective: 700px;
  -webkit-perspective: 700px;
}

#shaker-zone.held {
  cursor: grabbing;
}

#shaker-inner {
  position: relative;
  width: 100%;
  height: 100%;
  transform-style: preserve-3d;
  -webkit-transform-style: preserve-3d;
  transition: transform 0.2s cubic-bezier(0.34, 1.56, 0.64, 1);
  will-change: transform;
}

#shaker-zone.active #shaker-inner {
  transform: rotateX(180deg);
}

@keyframes shaker-wiggle {
  0%   { transform: rotateX(180deg) rotate(0deg); }
  20%  { transform: rotateX(180deg) rotate(-5deg); }
  55%  { transform: rotateX(180deg) rotate(5deg); }
  80%  { transform: rotateX(180deg) rotate(-2.5deg); }
  100% { transform: rotateX(180deg) rotate(0deg); }
}

@keyframes power-shake-wiggle {
  0%   { transform: rotateX(180deg) rotate(0deg) scale(1); }
  15%  { transform: rotateX(180deg) rotate(-8deg) scale(1.06); }
  40%  { transform: rotateX(180deg) rotate(8deg) scale(1.06); }
  65%  { transform: rotateX(180deg) rotate(-5deg) scale(1.03); }
  85%  { transform: rotateX(180deg) rotate(3deg) scale(1.01); }
  100% { transform: rotateX(180deg) rotate(0deg) scale(1); }
}

#shaker-zone.active.shaking #shaker-inner {
  animation: shaker-wiggle 0.18s ease-out;
}

#shaker-zone.active.power-shaking #shaker-inner {
  animation: power-shake-wiggle 0.28s ease-out;
}

#shaker-front,
#shaker-back {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  user-select: none;
  -webkit-user-select: none;
  pointer-events: none;
}

#shaker-back {
  transform: rotateX(180deg);
  -webkit-transform: rotateX(180deg);
}

/* ── HUD ────────────────────────────────────────────────── */
#hud {
  position: absolute;
  top: 14px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 20;
  text-align: center;
  pointer-events: none;
  white-space: nowrap;
}

#grain-count {
  font-size: clamp(21px, 4.2vw, 32px);
  color: var(--accent);
  letter-spacing: 0.04em;
  text-shadow: 0 0 22px rgba(232, 224, 200, 0.22);
}

#grain-rate {
  font-size: clamp(9px, 1.7vw, 12px);
  color: var(--text-dim);
  margin-top: 3px;
  letter-spacing: 0.12em;
}

/* ── Power bar ──────────────────────────────────────────── */
#power-bar-wrap {
  position: absolute;
  top: 72px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 20;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  pointer-events: none;
}

#power-bar-label {
  font-size: 7.5px;
  letter-spacing: 0.26em;
  color: var(--text-dim);
  white-space: nowrap;
  margin-bottom: 1px;
}

#power-bar-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

#power-bar-track {
  width: 120px;
  height: 3px;
  background: rgba(255, 255, 255, 0.07);
  border-radius: 2px;
  overflow: hidden;
}

#power-bar-mult {
  font-size: 10px;
  letter-spacing: 0.06em;
  color: var(--accent);
  white-space: nowrap;
  min-width: 28px;
  transition: color 0.3s;
}

#power-bar-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, rgba(232, 224, 200, 0.5), rgba(245, 217, 122, 0.85));
  border-radius: 2px;
  transition: width 0.12s linear;
}

#power-bar-fill.power-full {
  background: linear-gradient(90deg, #f5d97a, #ffe87a);
  box-shadow: 0 0 6px rgba(255, 220, 80, 0.55);
}

/* ── Hint ───────────────────────────────────────────────── */
#hint {
  position: absolute;
  bottom: 82px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 20;
  font-size: clamp(9px, 1.5vw, 11px);
  color: var(--text-dim);
  letter-spacing: 0.2em;
  pointer-events: none;
  text-align: center;
  white-space: nowrap;
  opacity: 1;
  transition: opacity 1.2s ease;
}

#hint.hidden {
  opacity: 0;
}

/* ── Panels ─────────────────────────────────────────────── */
.panel {
  position: absolute;
  top: 0;
  bottom: 76px;
  z-index: 20;
  width: 280px;
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: transform 0.28s cubic-bezier(0.4, 0, 0.2, 1);
}

#shop-panel {
  right: 0;
  transform: translateX(101%);
  border-right: none;
  border-radius: 14px 0 0 14px;
}

#stats-panel {
  left: 0;
  width: 310px;
  transform: translateX(-101%);
  border-left: none;
  border-radius: 0 14px 14px 0;
}

#shop-panel.open  { transform: translateX(0); }
#stats-panel.open { transform: translateX(0); }

.panel-header {
  padding: 14px 18px 11px;
  font-size: 10.5px;
  letter-spacing: 0.22em;
  color: var(--accent-dim);
  border-bottom: 1px solid var(--panel-border);
  flex-shrink: 0;
}

/* ── Shop list ──────────────────────────────────────────── */
#shop-list {
  overflow-y: auto;
  flex: 1;
  padding: 8px;
  scrollbar-width: thin;
  scrollbar-color: rgba(255, 255, 255, 0.07) transparent;
}

#shop-list::-webkit-scrollbar        { width: 3px; }
#shop-list::-webkit-scrollbar-track  { background: transparent; }
#shop-list::-webkit-scrollbar-thumb  { background: rgba(255,255,255,0.07); border-radius: 2px; }

.upgrade-card {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 9px 10px 9px 8px;
  margin-bottom: 5px;
  background: rgba(255, 255, 255, 0.016);
  border: 1px solid rgba(255, 255, 255, 0.04);
  border-radius: 9px;
  transition: background 0.15s, border-color 0.15s, opacity 0.2s;
}

.upgrade-card:last-child { margin-bottom: 0; }

.upgrade-card.can-afford {
  border-color: rgba(232, 224, 200, 0.13);
  background: rgba(232, 224, 200, 0.025);
}

.upgrade-card.maxed {
  opacity: 0.4;
}

.upgrade-card.locked {
  opacity: 0.32;
  pointer-events: none;
}

.upgrade-coin {
  width: 44px;
  height: 44px;
  object-fit: contain;
  flex-shrink: 0;
  display: block;
}

.upgrade-info {
  flex: 1;
  min-width: 0;
}

.upgrade-name {
  font-size: 12px;
  color: var(--accent);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.upgrade-desc {
  font-size: 9.5px;
  color: var(--text-dim);
  margin-top: 2px;
  line-height: 1.45;
}

.upgrade-card.locked .upgrade-desc {
  color: rgba(192, 187, 176, 0.55);
  font-style: italic;
}

.upgrade-footer {
  display: flex;
  align-items: center;
  margin-top: 6px;
  gap: 5px;
  min-width: 0;
}

.upgrade-cost {
  font-size: 10px;
  color: var(--text);
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.upgrade-cost.unaffordable {
  color: var(--text-dim);
}

.upgrade-level {
  font-size: 9px;
  color: var(--text-dim);
  letter-spacing: 0.08em;
  flex-shrink: 0;
  white-space: nowrap;
}

.upgrade-buy-btn {
  background: var(--btn-bg);
  border: 1px solid rgba(232, 224, 200, 0.1);
  color: var(--accent);
  font-family: 'SaltFont', monospace;
  font-size: 9px;
  letter-spacing: 0.12em;
  padding: 4px 8px;
  border-radius: 5px;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
  white-space: nowrap;
  flex-shrink: 0;
}

.upgrade-buy-btn:hover:not(:disabled) {
  background: var(--btn-hover);
  border-color: rgba(232, 224, 200, 0.2);
}

.upgrade-buy-btn:disabled {
  background: var(--btn-disabled-bg);
  border-color: rgba(255, 255, 255, 0.04);
  color: var(--btn-disabled-color);
  cursor: default;
}

.upgrade-buy-btn.label-only {
  background: transparent;
  border-color: transparent;
  color: var(--text-dim);
  cursor: default;
  font-size: 8.5px;
  letter-spacing: 0.14em;
}

.upgrade-btns {
  display: flex;
  gap: 5px;
  margin-top: 5px;
  flex-wrap: nowrap;
}

.upgrade-max-btn {
  font-size: 8.5px;
  padding: 4px 7px;
  opacity: 0.85;
}

/* ── Stats list ─────────────────────────────────────────── */
#stats-list {
  overflow-y: auto;
  flex: 1;
  padding: 10px 16px 16px;
}

.stat-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: nowrap;
  padding: 9px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.03);
  gap: 10px;
}

.stat-row:last-child { border-bottom: none; }

.stat-label {
  font-size: 10px;
  color: var(--text-dim);
  letter-spacing: 0.06em;
  flex-shrink: 0;
}

.stat-value {
  font-size: 11px;
  color: var(--accent);
  text-align: right;
  white-space: nowrap;
}

/* ── Panel tabs ─────────────────────────────────────────── */
#panel-tabs {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 72px;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  background: rgba(8, 8, 8, 0.88);
  border-top: 1px solid var(--panel-border);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.tab-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  min-width: 96px;
  height: 56px;
  border-radius: 16px;
  cursor: pointer;
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0 18px;
  transition: background 0.15s, border-color 0.15s, box-shadow 0.15s;
  flex-shrink: 0;
  font-family: 'SaltFont', monospace;
}

.tab-btn img {
  width: 20px;
  height: 20px;
  min-width: 20px;
  min-height: 20px;
  object-fit: contain;
  opacity: 0.6;
  transition: opacity 0.15s;
  display: block;
  flex-shrink: 0;
}

.tab-label {
  font-size: 9.5px;
  letter-spacing: 0.18em;
  color: rgba(255, 255, 255, 0.75);
  transition: color 0.15s, text-shadow 0.15s;
  white-space: nowrap;
}

.tab-btn:hover {
  background: rgba(255, 255, 255, 0.09);
  border-color: rgba(255, 255, 255, 0.22);
}

.tab-btn:hover img {
  opacity: 0.85;
}

.tab-btn:hover .tab-label {
  color: rgba(255, 255, 255, 0.9);
}

.tab-btn.active {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.35);
  box-shadow: 0 0 14px rgba(255, 255, 255, 0.07), inset 0 0 8px rgba(255, 255, 255, 0.04);
}

.tab-btn.active img {
  opacity: 1;
}

.tab-btn.active .tab-label {
  color: rgba(255, 255, 255, 0.97);
  text-shadow:
    0 0 8px rgba(255, 255, 255, 0.65),
    0 0 22px rgba(255, 255, 255, 0.28),
    0 0 44px rgba(255, 255, 255, 0.12);
}

/* ── Toasts ─────────────────────────────────────────────── */
#toast-container {
  position: absolute;
  top: 78px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 40;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  pointer-events: none;
}

.toast {
  background: rgba(15, 15, 15, 0.96);
  border: 1px solid rgba(232, 224, 200, 0.18);
  border-radius: 8px;
  padding: 8px 18px;
  font-size: 10.5px;
  letter-spacing: 0.14em;
  color: var(--accent);
  white-space: nowrap;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
  animation: toast-in 0.3s cubic-bezier(0.34, 1.56, 0.64, 1), toast-out 0.35s ease 2.65s forwards;
}

.toast.toast-power {
  border-color: rgba(255, 220, 100, 0.35);
  color: #f5d97a;
}

@keyframes toast-in {
  from { opacity: 0; transform: translateY(8px) scale(0.96); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes toast-out {
  from { opacity: 1; }
  to   { opacity: 0; }
}

/* ── Cosmetics panel ────────────────────────────────────── */
#cosmetics-panel {
  right: 0;
  transform: translateX(101%);
  border-right: none;
  border-radius: 14px 0 0 14px;
}

#cosmetics-panel.open { transform: translateX(0); }

#cosmetics-list {
  overflow-y: auto;
  flex: 1;
  padding: 8px;
  scrollbar-width: thin;
  scrollbar-color: rgba(255, 255, 255, 0.07) transparent;
}

#cosmetics-list::-webkit-scrollbar       { width: 3px; }
#cosmetics-list::-webkit-scrollbar-track { background: transparent; }
#cosmetics-list::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.07); border-radius: 2px; }

.cosmetic-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 10px 10px 8px;
  margin-bottom: 5px;
  background: rgba(255, 255, 255, 0.016);
  border: 1px solid rgba(255, 255, 255, 0.04);
  border-radius: 9px;
  transition: background 0.15s, border-color 0.15s, opacity 0.2s;
  min-width: 0;
}

.cosmetic-card:last-child { margin-bottom: 0; }

.cosmetic-card.equipped {
  border-color: rgba(232, 224, 200, 0.2);
  background: rgba(232, 224, 200, 0.03);
}

.cosmetic-card.cosm-locked {
  opacity: 0.4;
}

.cosmetic-preview {
  width: 56px;
  height: 56px;
  object-fit: contain;
  flex-shrink: 0;
  display: block;
}

.cosmetic-info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.cosmetic-name {
  font-size: 12px;
  color: var(--accent);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.cosmetic-unlock {
  font-size: 9px;
  color: var(--text-dim);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1.4;
}

.cosmetic-equip-btn {
  align-self: flex-start;
  margin-top: 4px;
  background: var(--btn-bg);
  border: 1px solid rgba(232, 224, 200, 0.1);
  color: var(--accent);
  font-family: 'SaltFont', monospace;
  font-size: 9px;
  letter-spacing: 0.12em;
  padding: 4px 10px;
  border-radius: 5px;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
  white-space: nowrap;
}

.cosmetic-equip-btn:hover:not(:disabled) {
  background: var(--btn-hover);
  border-color: rgba(232, 224, 200, 0.2);
}

.cosmetic-equip-btn:disabled {
  background: var(--btn-disabled-bg);
  border-color: rgba(255, 255, 255, 0.04);
  color: var(--btn-disabled-color);
  cursor: default;
}

.cosmetic-equip-btn.is-equipped {
  border-color: rgba(232, 224, 200, 0.3);
  color: var(--accent);
  cursor: default;
}

/* ── Mobile ─────────────────────────────────────────────── */
@media (max-width: 580px) {
  .panel {
    width: 100%;
  }

  #shop-panel       { border-radius: 0; }
  #stats-panel      { border-radius: 0; }
  #cosmetics-panel  { border-radius: 0; }
}