@font-face {
  font-family: 'Tanker';
  src: url('assets/fonts/Tanker-Regular.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Excon';
  src: url('assets/fonts/Excon-Regular.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Excon';
  src: url('assets/fonts/Excon-Bold.woff2') format('woff2');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

:root {
  --font-display: 'Tanker', sans-serif;
  --font-body: 'Excon', sans-serif;
  --bg: #f4ece4;
  --surface: #fffaf6;
  --surface-2: #ede0d2;
  --text: #2f2017;
  --muted: #7e6656;
  --accent: #7a4b2a;
  --accent-2: #c98a55;
  --success: #355c3d;
  --danger: #872f2f;
  --border: rgba(47, 32, 23, 0.12);
  --shadow: 0 18px 40px rgba(72, 45, 20, 0.14);
  --radius: 20px;
  --button-radius: 0;
  --input-radius: 6px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font-body);
  background: radial-gradient(circle at top, #fff7ef, var(--bg));
  color: var(--text);
}

a {
  color: inherit;
  text-decoration: none;
}

.topbar,
.auth-card,
.panel,
.hero-panel,
.shop-panel,
.help-panel,
.click-tree-panel {
  box-shadow: var(--shadow);
}

.topbar {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  padding: 1rem 2rem;
  background: rgba(255, 250, 246, 0.9);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 10;
}

.topbar h1,
.auth-card h1,
.hero-panel h1,
.hero-panel h2,
.shop-panel h2,
.help-panel h2,
.click-tree-panel h2,
.panel h2,
.stats-grid strong,
.upgrade-card h3,
.tree-node h3 {
  margin: 0;
  font-family: var(--font-display);
  letter-spacing: 0.02em;
}

.topbar p {
  margin: 0.25rem 0 0;
  color: var(--muted);
}

nav {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  flex-wrap: wrap;
}

.game-layout,
.admin-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 1.5rem;
  padding: 1.5rem;
}

.hero-panel,
.shop-panel,
.help-panel,
.panel,
.auth-card,
.click-tree-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
}

.help-panel,
.click-tree-panel {
  grid-column: 1 / -1;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-bottom: 1rem;
}

.stats-grid article {
  background: var(--surface-2);
  padding: 1rem;
  border-radius: 10px;
}

.stats-grid strong {
  font-size: 2rem;
}

.brew-stage {
  text-align: center;
  padding: 1rem;
}

.coffee-logo {
  width: 180px;
  height: 180px;
  margin: 0 auto 1rem;
  display: grid;
  place-items: center;
  color: var(--accent);
  background: radial-gradient(circle at top, #fffaf6, #ead7c3);
  border: 3px solid rgba(122, 75, 42, 0.18);
  border-radius: 50%;
  box-shadow: var(--shadow);
  cursor: pointer;
  transition: transform 0.08s ease, box-shadow 0.12s ease, filter 0.12s ease;
  user-select: none;
}

.coffee-logo svg {
  width: 120px;
  stroke: currentColor;
  fill: none;
  stroke-width: 6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.coffee-logo:hover {
  transform: scale(1.03);
  box-shadow: 0 22px 46px rgba(72, 45, 20, 0.18);
}

.coffee-logo:active {
  transform: scale(0.94);
}

.coffee-logo.pulse {
  animation: brewPop 0.22s ease;
}

@keyframes brewPop {
  0% { transform: scale(1); }
  40% { transform: scale(0.9); }
  75% { transform: scale(1.08); }
  100% { transform: scale(1); }
}

.brew-label {
  font-weight: 700;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.92rem;
}

.brew-button {
    width: 180px;
  height: 180px;
  border-radius: 50%;  
}

.btn {
  border: 0;
  border-radius: var(--button-radius);
  padding: 0.9rem 1.2rem;
  font-family: var(--font-body);
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.2s ease, opacity 0.2s ease, background 0.2s ease;
}

.brew-button {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  font-size: 1.05rem;
}

.btn.primary {
  background: var(--accent);
  color: #fff;
}

.btn.ghost {
  background: transparent;
  border: 1px solid var(--border);
}

.btn.danger {
  background: var(--danger);
  color: #fff;
}

.btn:hover,
.brew-button:hover {
  transform: translateY(-2px);
}

.hint,
.pill,
small,
.notice {
  color: var(--muted);
}

.pill {
  background: var(--surface-2);
  border-radius: 0;
  padding: 0.65rem 0.9rem;
}

.upgrade-list,
.machine-admin-list,
.click-tree-grid {
  display: grid;
  gap: 1rem;
}

.upgrade-card,
.machine-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1rem;
  align-items: center;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1rem;
  background: #fff;
}

.upgrade-card.locked,
.tree-node.locked {
  opacity: 0.6;
}

.upgrade-actions {
  text-align: right;
  display: grid;
  gap: 0.6rem;
}

.click-tree-grid {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.tree-node {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1rem;
  background: linear-gradient(180deg, #fff, #f7ede4);
}

.tree-node.owned {
  border-color: rgba(53, 92, 61, 0.35);
  background: linear-gradient(180deg, #f8fff8, #ebf6eb);
}

.tree-tier {
  display: inline-block;
  padding: 0.3rem 0.65rem;
  border-radius: 0;
  background: var(--surface-2);
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.tier-1 {
  box-shadow: inset 0 0 0 1px rgba(201, 138, 85, 0.12);
}

.tier-2 {
  box-shadow: inset 0 0 0 1px rgba(122, 75, 42, 0.16);
}

.tier-3 {
  box-shadow: inset 0 0 0 1px rgba(53, 92, 61, 0.16);
}

.tier-4,
.tier-5 {
  box-shadow: inset 0 0 0 1px rgba(47, 32, 23, 0.16);
}

.cup-burst {
  position: fixed;
  transform: translate(-50%, -50%);
  color: var(--accent);
  font-weight: 700;
  font-size: 1.1rem;
  pointer-events: none;
  z-index: 999;
  animation: floatUp 0.7s ease-out forwards;
}

@keyframes floatUp {
  0% {
    opacity: 0;
    transform: translate(-50%, -50%) scale(0.8);
  }
  20% {
    opacity: 1;
    transform: translate(-50%, -65%) scale(1);
  }
  100% {
    opacity: 0;
    transform: translate(-50%, -140%) scale(1.05);
  }
}

.auth-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 1.5rem;
}

.auth-card {
  width: min(460px, 100%);
}

.stack-form {
  display: grid;
  gap: 1rem;
}

.stack-form input {
  width: 100%;
  padding: 0.9rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--input-radius);
  background: #fff;
  margin-top: 0.4rem;
  font-family: var(--font-body);
}

.notice {
  padding: 0.8rem 1rem;
  border-radius: 0;
  background: var(--surface-2);
}

.notice.error {
  color: var(--danger);
}

.notice.success {
  color: var(--success);
}

.admin-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.full-span {
  grid-column: 1 / -1;
}

.machine-admin-row {
  grid-template-columns: repeat(9, minmax(0, 1fr));
}

.click-admin-row {
  grid-template-columns: repeat(10, minmax(0, 1fr));
}

.inline-check {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

@media (max-width: 900px) {
  .game-layout,
  .admin-grid,
  .machine-admin-row,
  .click-admin-row,
  .upgrade-card,
  .topbar {
    grid-template-columns: 1fr;
    display: grid;
  }

  .stats-grid {
    grid-template-columns: 1fr;
  }
}