:root {
  --bg: #ebe4d6;
  --bg-deep: #ddd4c2;
  --ink: #1a1612;
  --ink-soft: #4a433a;
  --muted: #7a7164;
  --seal: #c43c28;
  --seal-deep: #8f2a1c;
  --brass: #9a6b2a;
  --moss: #2f6f5e;
  --bone: #f7f1e6;
  --stone: #cfc5b2;
  --line: rgba(26, 22, 18, 0.14);
  --line-strong: rgba(26, 22, 18, 0.28);
  --soul: #5b4a7a;
  --gold: #9a6b2a;
  --gem: #2f6f5e;
  --danger: #c43c28;
  --radius: 6px;
  --font-display: "Fraunces", "Times New Roman", serif;
  --font-body: "DM Sans", sans-serif;
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --touch: 48px;
  --shadow-stamp: 3px 3px 0 rgba(26, 22, 18, 0.12);
}

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

html,
body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  color: var(--ink);
  font-family: var(--font-body);
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

body {
  background:
    radial-gradient(ellipse 90% 55% at 15% -5%, rgba(196, 60, 40, 0.12), transparent 50%),
    radial-gradient(ellipse 70% 45% at 100% 20%, rgba(47, 111, 94, 0.1), transparent 45%),
    radial-gradient(ellipse 80% 50% at 50% 110%, rgba(154, 107, 42, 0.1), transparent 50%),
    linear-gradient(180deg, #f0e9db 0%, var(--bg) 40%, #e2d8c6 100%);
  min-height: 100dvh;
}

.grain {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 0;
  opacity: 0.35;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.45'/%3E%3C/svg%3E");
  mix-blend-mode: multiply;
}

.app {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 440px;
  margin: 0 auto;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  padding-bottom: calc(8px + var(--safe-bottom));
}

/* Tablet */
@media (min-width: 720px) {
  .app {
    max-width: 760px;
  }

  .screens {
    padding: 14px 24px 24px;
  }

  .topbar {
    padding: 14px 24px 0;
  }

  .nav-dock {
    padding-left: 20px;
    padding-right: 20px;
  }
}

/* Desktop — dùng hết bề ngang hợp lý, không kẹt cột phone */
@media (min-width: 1024px) {
  .app {
    max-width: 1120px;
  }

  .screens {
    padding: 18px 32px 32px;
  }

  .topbar {
    padding: 16px 32px 0;
  }

  .resources {
    max-width: 420px;
  }

  .nav-dock {
    max-width: 640px;
    margin: 0 auto;
    width: 100%;
    border-radius: 8px 8px 0 0;
  }

  #tip-slot {
    padding: 0 32px;
    max-width: 720px;
  }
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

button {
  font: inherit;
  cursor: pointer;
  border: 2px solid var(--ink);
  min-height: var(--touch);
  border-radius: var(--radius);
  padding: 0.7rem 1.1rem;
  background: var(--bone);
  color: var(--ink);
  box-shadow: var(--shadow-stamp);
  transition: transform 0.12s ease, box-shadow 0.12s ease, background 0.12s ease;
}

button:active:not(:disabled) {
  transform: translate(2px, 2px);
  box-shadow: 1px 1px 0 rgba(26, 22, 18, 0.12);
}

button:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

button.primary {
  background: var(--seal);
  color: var(--bone);
  border-color: var(--seal-deep);
  font-weight: 700;
  letter-spacing: 0.02em;
}

button.ghost {
  background: transparent;
  box-shadow: none;
  border-color: transparent;
  color: var(--ink-soft);
  text-decoration: underline;
  text-underline-offset: 3px;
}

button.ghost:active {
  transform: none;
}

#tip-slot {
  padding: 0 16px;
}

#tip-slot:empty {
  display: none;
}

.topbar {
  padding: 10px 16px 0;
  position: sticky;
  top: 0;
  z-index: 20;
  background: linear-gradient(180deg, rgba(240, 233, 219, 0.94), rgba(235, 228, 214, 0.85));
  backdrop-filter: blur(6px);
}

.resources {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border: 2px solid var(--ink);
  background: var(--bone);
  box-shadow: var(--shadow-stamp);
}

.res-cell {
  padding: 8px 6px;
  text-align: center;
  border-right: 1px solid var(--line-strong);
}

.res-cell:last-child {
  border-right: none;
}

.res-cell .lbl {
  display: block;
  font-size: 0.62rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  font-weight: 700;
}

.res-cell .val {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  margin-top: 2px;
  color: var(--ink);
}

.res-cell.soul .val { color: var(--soul); }
.res-cell.gold .val { color: var(--brass); }
.res-cell.gem .val { color: var(--moss); }

.screens {
  flex: 1;
  min-height: 0;
  padding: 12px 16px 20px;
}

.screen {
  display: none;
}

.screen.active {
  display: block;
  animation: riseIn 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}

@keyframes riseIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: none; }
}

h1, h2, h3 {
  font-family: var(--font-display);
  margin: 0 0 0.45rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--ink);
}

h1 { font-size: clamp(2rem, 8vw, 2.6rem); line-height: 0.95; }
h2 { font-size: 1.45rem; }
h3 { font-size: 1.05rem; }

.muted {
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.45;
}

.panel {
  background: rgba(247, 241, 230, 0.72);
  border: 2px solid var(--ink);
  border-radius: var(--radius);
  padding: 14px;
  margin-bottom: 12px;
  box-shadow: var(--shadow-stamp);
}

.row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
}

.row.spread {
  justify-content: space-between;
}

.nav-dock {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 4px;
  padding: 8px 10px calc(10px + var(--safe-bottom));
  border-top: 2px solid var(--ink);
  background: rgba(247, 241, 230, 0.92);
  position: sticky;
  bottom: 0;
  backdrop-filter: blur(6px);
}

.nav-dock button {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  font-size: 0.62rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 8px 2px;
  min-height: 58px;
  box-shadow: none;
  border-width: 1.5px;
  background: transparent;
  color: var(--ink-soft);
}

.nav-dock button.active {
  background: var(--ink);
  color: var(--bone);
  border-color: var(--ink);
}

.nav-dock button.nav-raid {
  background: var(--seal);
  color: var(--bone);
  border-color: var(--seal-deep);
}

.nav-dock button.nav-raid.active {
  background: var(--seal-deep);
}

.nav-ico {
  width: 18px;
  height: 18px;
  display: block;
  background: currentColor;
  mask-size: contain;
  mask-repeat: no-repeat;
  mask-position: center;
  -webkit-mask-size: contain;
  -webkit-mask-repeat: no-repeat;
  -webkit-mask-position: center;
}

.nav-ico[data-ico="home"] {
  mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='black'%3E%3Cpath d='M12 3 3 10h2v10h6v-6h2v6h6V10h2L12 3z'/%3E%3C/svg%3E");
  -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='black'%3E%3Cpath d='M12 3 3 10h2v10h6v-6h2v6h6V10h2L12 3z'/%3E%3C/svg%3E");
}
.nav-ico[data-ico="spin"] {
  mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='black'%3E%3Ccircle cx='12' cy='12' r='8' fill='none' stroke='black' stroke-width='2'/%3E%3Ccircle cx='12' cy='12' r='3'/%3E%3C/svg%3E");
  -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='black'%3E%3Ccircle cx='12' cy='12' r='8' fill='none' stroke='black' stroke-width='2'/%3E%3Ccircle cx='12' cy='12' r='3'/%3E%3C/svg%3E");
}
.nav-ico[data-ico="box"] {
  mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='black'%3E%3Cpath d='M3 7l9-4 9 4v10l-9 4-9-4V7zm9 2v10' fill='none' stroke='black' stroke-width='2'/%3E%3C/svg%3E");
  -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='black'%3E%3Cpath d='M3 7l9-4 9 4v10l-9 4-9-4V7zm9 2v10' fill='none' stroke='black' stroke-width='2'/%3E%3C/svg%3E");
}
.nav-ico[data-ico="seal"] {
  mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='black'%3E%3Ccircle cx='12' cy='12' r='7'/%3E%3C/svg%3E");
  -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='black'%3E%3Ccircle cx='12' cy='12' r='7'/%3E%3C/svg%3E");
}
.nav-ico[data-ico="gate"] {
  mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='black'%3E%3Cpath d='M5 21V5h4v4h2V5h4v4h2V5h2v16H5z'/%3E%3C/svg%3E");
  -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='black'%3E%3Cpath d='M5 21V5h4v4h2V5h4v4h2V5h2v16H5z'/%3E%3C/svg%3E");
}

.stars {
  letter-spacing: 1px;
  color: var(--brass);
  font-size: 0.75rem;
  font-weight: 700;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: calc(88px + var(--safe-bottom));
  transform: translateX(-50%) translateY(16px);
  background: var(--ink);
  color: var(--bone);
  padding: 12px 18px;
  border-radius: var(--radius);
  opacity: 0;
  pointer-events: none;
  transition: 0.28s cubic-bezier(0.22, 1, 0.36, 1);
  z-index: 100;
  max-width: min(90vw, 400px);
  text-align: center;
  font-weight: 600;
  font-size: 0.9rem;
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(26, 22, 18, 0.55);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 50;
  padding: 16px;
  backdrop-filter: blur(3px);
}

.modal-backdrop.show {
  display: flex;
  animation: fadeModal 0.25s ease;
}

@keyframes fadeModal {
  from { opacity: 0; }
  to { opacity: 1; }
}

.modal {
  background: var(--bone);
  border: 3px solid var(--ink);
  border-radius: 8px;
  padding: 20px;
  width: min(400px, 100%);
  max-height: 85vh;
  overflow: auto;
  box-shadow: 6px 6px 0 rgba(26, 22, 18, 0.2);
  animation: riseIn 0.3s ease;
}

.hidden { display: none !important; }

.section-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
  font-weight: 700;
  margin: 18px 0 8px;
}