/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #0d0d1a;
  --card-bg: rgba(255,255,255,0.05);
  --card-border: rgba(255,255,255,0.1);
  --accent: #7c6af7;
  --accent-2: #a78bfa;
  --accent-glow: rgba(124,106,247,0.35);
  --text: #f0eeff;
  --text-muted: rgba(240,238,255,0.5);
  --input-bg: rgba(255,255,255,0.06);
  --input-border: rgba(255,255,255,0.12);
  --input-focus: rgba(124,106,247,0.7);
  --error: #f87171;
  --success: #34d399;
  --radius: 16px;
  --radius-sm: 10px;
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

html, body {
  min-height: 100vh;
  background: var(--bg);
  font-family: 'Inter', sans-serif;
  color: var(--text);
  overflow-x: hidden;
}

/* ===== BACKGROUND ORBS ===== */
.orb {
  position: fixed;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.18;
  pointer-events: none;
  z-index: 0;
  animation: float 12s ease-in-out infinite;
}
.orb-1 { width: 380px; height: 380px; background: #7c6af7; top: -100px; left: -120px; animation-delay: 0s; }
.orb-2 { width: 300px; height: 300px; background: #ec4899; top: 40%; right: -80px; animation-delay: -4s; }
.orb-3 { width: 260px; height: 260px; background: #06b6d4; bottom: -60px; left: 30%; animation-delay: -8s; }

@keyframes float {
  0%, 100% { transform: translateY(0) scale(1); }
  50%       { transform: translateY(-30px) scale(1.05); }
}

/* ===== BACK BUTTON ===== */
.back-btn {
  position: fixed;
  top: 16px;
  left: 16px;
  z-index: 100;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 8px 16px;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--card-border);
  border-radius: 20px;
  color: var(--text-muted);
  font-family: 'Inter', sans-serif;
  font-size: 0.82rem;
  font-weight: 500;
  text-decoration: none;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: all var(--transition);
}
.back-btn:hover {
  color: var(--accent-2);
  border-color: var(--accent);
  background: rgba(124,106,247,0.1);
}

/* ===== SCREENS ===== */
.screen {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 24px 16px 40px;
}
.screen.hidden { display: none; }

/* ===== CARD ===== */
.card {
  width: 100%;
  max-width: 480px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 24px;
  padding: 28px 24px 32px;
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  box-shadow: 0 8px 48px rgba(0,0,0,0.4), 0 0 0 1px var(--card-border);
  animation: slideUp 0.4s var(--transition) both;
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ===== CARD HEADER ===== */
.card-header { text-align: center; margin-bottom: 28px; }
.header-icon { font-size: 2.4rem; margin-bottom: 10px; display: block; animation: pulse-icon 3s ease infinite; }
@keyframes pulse-icon {
  0%, 100% { transform: scale(1); }
  50%       { transform: scale(1.08); }
}
.card-header h1 { font-size: 1.6rem; font-weight: 700; letter-spacing: -0.5px; background: linear-gradient(135deg, #a78bfa, #818cf8); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.subtitle { margin-top: 6px; font-size: 0.82rem; color: var(--text-muted); line-height: 1.4; }

/* ===== FIELD GROUPS ===== */
.field-group { display: flex; flex-direction: column; gap: 14px; margin-bottom: 14px; }

/* ===== INPUT WRAP (Floating Label) ===== */
.input-wrap {
  position: relative;
  width: 100%;
}
.input-wrap.half { flex: 1; }

.field-group:has(.half) {
  flex-direction: row;
  gap: 12px;
}

.input-wrap input,
.input-wrap textarea {
  width: 100%;
  background: var(--input-bg);
  border: 1.5px solid var(--input-border);
  border-radius: var(--radius-sm);
  padding: 20px 14px 8px;
  font-family: 'Inter', sans-serif;
  font-size: 0.92rem;
  color: var(--text);
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
  resize: none;
  -webkit-appearance: none;
}

.input-wrap textarea { padding-top: 24px; line-height: 1.5; }

.input-wrap input:focus,
.input-wrap textarea:focus {
  border-color: var(--input-focus);
  background: rgba(124,106,247,0.08);
  box-shadow: 0 0 0 3px rgba(124,106,247,0.15);
}

/* Floating label */
.input-wrap label {
  position: absolute;
  left: 14px;
  top: 14px;
  font-size: 0.88rem;
  color: var(--text-muted);
  pointer-events: none;
  transition: all var(--transition);
  transform-origin: left top;
}

.input-wrap input:focus ~ label,
.input-wrap input:not(:placeholder-shown) ~ label,
.input-wrap textarea:focus ~ label,
.input-wrap textarea:not(:placeholder-shown) ~ label {
  top: 6px;
  font-size: 0.68rem;
  color: var(--accent-2);
  letter-spacing: 0.02em;
}

/* placeholder trick */
.input-wrap input::placeholder,
.input-wrap textarea::placeholder { color: transparent; }

/* Error state */
.input-wrap.has-error input,
.input-wrap.has-error textarea { border-color: var(--error); box-shadow: 0 0 0 3px rgba(248,113,113,0.15); }
.error-msg { display: none; font-size: 0.72rem; color: var(--error); margin-top: 4px; padding-left: 4px; }
.input-wrap.has-error .error-msg { display: block; animation: shake 0.3s ease; }

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25%       { transform: translateX(-4px); }
  75%       { transform: translateX(4px); }
}

/* ===== SUBMIT BUTTON ===== */
.submit-btn {
  width: 100%;
  margin-top: 22px;
  padding: 16px;
  background: linear-gradient(135deg, #7c6af7, #6366f1);
  border: none;
  border-radius: var(--radius-sm);
  color: #fff;
  font-family: 'Inter', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), opacity var(--transition);
  box-shadow: 0 4px 24px var(--accent-glow);
  position: relative;
  overflow: hidden;
}

.submit-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #a78bfa, #818cf8);
  opacity: 0;
  transition: opacity var(--transition);
}
.submit-btn:hover::before { opacity: 1; }
.submit-btn:hover { transform: translateY(-2px); box-shadow: 0 8px 32px var(--accent-glow); }
.submit-btn:active { transform: translateY(0); }
.submit-btn:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }

.btn-text, .btn-loader { position: relative; z-index: 1; }

/* ===== SUCCESS SCREEN ===== */
.success-card { text-align: center; }

.success-animation { margin: 8px 0 24px; }

.checkmark-circle {
  width: 80px;
  height: 80px;
  margin: 0 auto;
  animation: scale-in 0.5s cubic-bezier(0.34,1.56,0.64,1) both;
}

@keyframes scale-in {
  from { transform: scale(0); opacity: 0; }
  to   { transform: scale(1); opacity: 1; }
}

.checkmark { width: 80px; height: 80px; }

.checkmark-circle-bg {
  stroke: var(--success);
  stroke-width: 2;
  stroke-dasharray: 166;
  stroke-dashoffset: 166;
  animation: stroke 0.6s ease 0.2s forwards;
}

.checkmark-check {
  stroke: var(--success);
  stroke-width: 3;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: 48;
  stroke-dashoffset: 48;
  animation: stroke 0.4s ease 0.7s forwards;
}

@keyframes stroke {
  to { stroke-dashoffset: 0; }
}

.success-title {
  font-size: 1.5rem;
  font-weight: 700;
  background: linear-gradient(135deg, #34d399, #6ee7b7);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 10px;
}

.success-subtitle {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 24px;
}

/* ===== SUMMARY BOX ===== */
.summary-box {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-sm);
  padding: 16px;
  text-align: left;
  margin-bottom: 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.summary-row {
  display: flex;
  gap: 8px;
  font-size: 0.82rem;
}

.summary-label {
  color: var(--text-muted);
  min-width: 110px;
  flex-shrink: 0;
}

.summary-value {
  color: var(--text);
  font-weight: 500;
  word-break: break-word;
}

/* ===== CLOSE BUTTON ===== */
.close-btn {
  width: 100%;
  padding: 14px;
  background: transparent;
  border: 1.5px solid var(--card-border);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-family: 'Inter', sans-serif;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all var(--transition);
}
.close-btn:hover {
  border-color: var(--accent);
  color: var(--accent-2);
  background: rgba(124,106,247,0.08);
}

/* ===== NUMBER INPUT CLEANUP ===== */
input[type=number]::-webkit-inner-spin-button,
input[type=number]::-webkit-outer-spin-button { -webkit-appearance: none; margin: 0; }
input[type=number] { -moz-appearance: textfield; }


/* ====================================================
   HOME PAGE
   ==================================================== */

.home-container {
  width: 100%;
  max-width: 480px;
  padding: 8px 0;
  animation: slideUp 0.4s var(--transition) both;
}

.home-header {
  text-align: center;
  margin-bottom: 32px;
}

.home-logo {
  font-size: 3.2rem;
  margin-bottom: 12px;
  display: block;
  animation: pulse-icon 3s ease infinite;
}

.home-title {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.5px;
  background: linear-gradient(135deg, #a78bfa, #818cf8, #6366f1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 6px;
}

.home-subtitle {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.4;
}

/* ── Navigation Cards ─────────────────── */
.nav-grid {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.nav-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 20px;
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  text-decoration: none;
  color: var(--text);
  transition: all var(--transition);
  animation: slideUp 0.4s var(--transition) both;
}

.nav-card:nth-child(1) { animation-delay: 0.05s; }
.nav-card:nth-child(2) { animation-delay: 0.12s; }
.nav-card:nth-child(3) { animation-delay: 0.19s; }

.nav-card:hover,
.nav-card:active {
  border-color: var(--accent);
  background: rgba(124,106,247,0.08);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(124,106,247,0.15);
}

.nav-card-icon {
  font-size: 2rem;
  flex-shrink: 0;
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(124,106,247,0.12);
  border-radius: 14px;
}

.nav-card-content {
  flex: 1;
  min-width: 0;
}

.nav-card-content h2 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 3px;
  letter-spacing: -0.3px;
}

.nav-card-content p {
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.3;
}

.nav-card-arrow {
  font-size: 1.2rem;
  color: var(--text-muted);
  flex-shrink: 0;
  transition: transform var(--transition), color var(--transition);
}

.nav-card:hover .nav-card-arrow {
  transform: translateX(4px);
  color: var(--accent-2);
}

.home-footer {
  text-align: center;
  margin-top: 40px;
}

.home-footer p {
  font-size: 0.75rem;
  color: var(--text-muted);
  opacity: 0.6;
}


/* ====================================================
   CATALOG PAGE
   ==================================================== */

.catalog-container {
  width: 100%;
  max-width: 520px;
  padding-top: 48px;
  animation: slideUp 0.4s var(--transition) both;
}

.catalog-header {
  text-align: center;
  margin-bottom: 24px;
}

.catalog-header h1 {
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: -0.5px;
  background: linear-gradient(135deg, #a78bfa, #818cf8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ── Product Grid ────────────────────── */
.product-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.product-card {
  position: relative;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 18px;
  overflow: hidden;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  transition: all var(--transition);
  animation: slideUp 0.4s var(--transition) both;
}

.product-card:hover {
  border-color: rgba(167,139,250,0.3);
  transform: translateY(-3px);
  box-shadow: 0 8px 28px rgba(0,0,0,0.3);
}

.product-badge {
  position: absolute;
  top: 8px;
  left: 8px;
  z-index: 2;
  padding: 3px 10px;
  font-size: 0.65rem;
  font-weight: 600;
  color: #fff;
  background: linear-gradient(135deg, #7c6af7, #6366f1);
  border-radius: 8px;
  letter-spacing: 0.02em;
}

.product-img-wrap {
  width: 100%;
  aspect-ratio: 1;
  overflow: hidden;
  background: rgba(0,0,0,0.2);
}

.product-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.product-card:hover .product-img {
  transform: scale(1.06);
}

.product-info {
  padding: 12px 12px 14px;
}

.product-name {
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 3px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.product-desc {
  font-size: 0.7rem;
  color: var(--text-muted);
  line-height: 1.35;
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.product-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.product-price {
  font-size: 0.88rem;
  font-weight: 700;
  background: linear-gradient(135deg, #a78bfa, #818cf8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.product-cart-btn {
  width: 34px;
  height: 34px;
  border: 1px solid var(--card-border);
  border-radius: 10px;
  background: rgba(124,106,247,0.1);
  font-size: 1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}

.product-cart-btn:hover {
  background: rgba(124,106,247,0.25);
  border-color: var(--accent);
  transform: scale(1.1);
}

.product-cart-btn.added {
  background: rgba(52,211,153,0.2);
  border-color: var(--success);
  animation: pop 0.3s ease;
}

@keyframes pop {
  0%   { transform: scale(1); }
  50%  { transform: scale(1.3); }
  100% { transform: scale(1); }
}


/* ====================================================
   GAME PAGE
   ==================================================== */

.game-screen {
  position: fixed;
  inset: 0;
  padding: 0;
  min-height: 100vh;
  min-height: 100dvh;
  background: #0a0a18;
  overflow: hidden;
}

#game-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  z-index: 1;
}

/* ── Overlays ─────────────────────────── */
.game-overlay {
  position: absolute;
  inset: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(10,10,24,0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.game-overlay.hidden { display: none; }

.game-overlay-content {
  text-align: center;
  padding: 32px;
  animation: scale-in 0.4s cubic-bezier(0.34,1.56,0.64,1) both;
}

.game-logo {
  font-size: 4rem;
  margin-bottom: 16px;
  animation: pulse-icon 3s ease infinite;
}

.game-title {
  font-size: 2rem;
  font-weight: 700;
  background: linear-gradient(135deg, #a78bfa, #818cf8, #6366f1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 12px;
}

.game-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 28px;
}

.game-btn {
  display: inline-block;
  padding: 14px 40px;
  background: linear-gradient(135deg, #7c6af7, #6366f1);
  border: none;
  border-radius: 14px;
  color: #fff;
  font-family: 'Inter', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  box-shadow: 0 4px 24px var(--accent-glow);
}

.game-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px var(--accent-glow);
}

.game-btn:active { transform: translateY(0); }

.game-score-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.game-score-value {
  font-size: 3rem;
  font-weight: 700;
  background: linear-gradient(135deg, #f59e0b, #fb923c);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 4px;
}

.game-best {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 24px;
}

/* ── HUD ──────────────────────────────── */
.game-hud {
  position: fixed;
  top: 48px;
  left: 0;
  right: 0;
  z-index: 5;
  display: flex;
  justify-content: space-between;
  padding: 0 16px;
  pointer-events: none;
}

.game-hud.hidden { display: none; }

.hud-score,
.hud-level {
  padding: 6px 14px;
  background: rgba(0,0,0,0.5);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 10px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}