/* ───────────────────────────────────────────────────────── */
/* TarotBot — Telegram Mini App Styles                       */
/* Color scheme: #0B1F3F | #1E3A8A | #FFFFFF | #3B82F6      */
/* ───────────────────────────────────────────────────────── */

:root {
  --bg:         #0B1F3F;
  --bg-card:    #112347;
  --bg-surface: #162B52;
  --primary:    #1E3A8A;
  --accent:     #3B82F6;
  --accent2:    #60A5FA;
  --gold:       #F59E0B;
  --text:       #FFFFFF;
  --text-muted: #94A3B8;
  --danger:     #EF4444;
  --success:    #10B981;
  --radius:     14px;
  --radius-sm:  8px;
  --shadow:     0 4px 24px rgba(0,0,0,0.5);
  --transition: 0.2s ease;
}

* {
  margin: 0; padding: 0;
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

html, body {
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 15px;
  line-height: 1.5;
  overflow-x: hidden;
}

/* ── Layout ─────────────────────────────────────────────── */
#app {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  max-width: 480px;
  margin: 0 auto;
  padding: 0 0 80px;
}

/* ── Header ─────────────────────────────────────────────── */
header {
  background: linear-gradient(135deg, var(--bg) 0%, #0F2A5C 100%);
  padding: 14px 16px 12px;
  border-bottom: 1px solid rgba(255,255,255,0.07);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(10px);
}

.header-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-icon {
  font-size: 26px;
  line-height: 1;
  filter: drop-shadow(0 0 8px rgba(59,130,246,0.6));
}

.logo h1 {
  font-size: 19px;
  font-weight: 700;
  background: linear-gradient(90deg, #FFFFFF, var(--accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── Header right: balance + lang selector ──────────────── */
.header-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

.balance-badge {
  display: flex;
  align-items: center;
  gap: 4px;
  background: rgba(245,158,11,0.15);
  border: 1px solid rgba(245,158,11,0.4);
  border-radius: 20px;
  padding: 4px 10px;
  font-size: 13px;
  font-weight: 600;
  color: var(--gold);
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}
.balance-badge:hover { background: rgba(245,158,11,0.25); }

/* ── Language selector ──────────────────────────────────── */
.lang-selector {
  position: relative;
}

.lang-btn {
  display: flex;
  align-items: center;
  gap: 4px;
  background: rgba(59,130,246,0.1);
  border: 1px solid rgba(59,130,246,0.3);
  border-radius: 20px;
  padding: 4px 10px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}
.lang-btn:hover { background: rgba(59,130,246,0.2); border-color: var(--accent); }

.lang-arrow {
  font-size: 10px;
  opacity: 0.7;
  transition: transform 0.2s;
}
.lang-dropdown.show + .lang-btn .lang-arrow { transform: rotate(180deg); }

.lang-dropdown {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-sm);
  min-width: 130px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.5);
  display: none;
  flex-direction: column;
  overflow: hidden;
  z-index: 300;
  animation: fadeIn 0.15s ease;
}
.lang-dropdown.show { display: flex; }

.lang-option {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  cursor: pointer;
  font-size: 13px;
  transition: background 0.15s;
}
.lang-option:hover { background: rgba(59,130,246,0.15); }
.lang-option span:first-child { font-size: 18px; }

/* User greeting */
.greeting {
  margin-top: 8px;
  font-size: 12px;
  color: var(--text-muted);
}

/* ── Page sections ──────────────────────────────────────── */
.page {
  display: none;
  flex-direction: column;
  gap: 16px;
  padding: 20px 16px;
  animation: fadeIn 0.3s ease;
}
.page.active { display: flex; }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Section title ──────────────────────────────────────── */
.section-title {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 4px;
}

/* ── Spread cards ───────────────────────────────────────── */
.spread-grid {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.spread-card {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius);
  padding: 18px 16px;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 14px;
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}

.spread-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(59,130,246,0.05), transparent);
  opacity: 0;
  transition: var(--transition);
}

.spread-card:hover, .spread-card:active {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(30,58,138,0.6);
}
.spread-card:hover::before { opacity: 1; }

.spread-emoji {
  font-size: 36px;
  line-height: 1;
  flex-shrink: 0;
  filter: drop-shadow(0 0 6px rgba(59,130,246,0.4));
}

.spread-info { flex: 1; }
.spread-name {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
}
.spread-meta {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 2px;
}

.spread-badge {
  font-size: 11px;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 10px;
  flex-shrink: 0;
}
.badge-free {
  background: rgba(16,185,129,0.15);
  border: 1px solid rgba(16,185,129,0.4);
  color: var(--success);
}
.badge-paid {
  background: rgba(245,158,11,0.15);
  border: 1px solid rgba(245,158,11,0.4);
  color: var(--gold);
}

/* ── Buttons ─────────────────────────────────────────────── */
.btn {
  width: 100%;
  padding: 14px 20px;
  border: none;
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: var(--text);
  box-shadow: 0 4px 15px rgba(30,58,138,0.5);
}
.btn-primary:hover, .btn-primary:active {
  filter: brightness(1.1);
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--bg-surface);
  color: var(--text-muted);
  border: 1px solid rgba(255,255,255,0.1);
}
.btn-secondary:hover { border-color: var(--accent); color: var(--text); }

.btn-gold {
  background: linear-gradient(135deg, #B45309, var(--gold));
  color: #000;
}
.btn-gold:hover { filter: brightness(1.1); }

.btn-sm {
  width: auto;
  padding: 8px 16px;
  font-size: 13px;
}

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

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
}

/* ── Input ───────────────────────────────────────────────── */
.input-group { display: flex; flex-direction: column; gap: 6px; }
.input-label { font-size: 13px; color: var(--text-muted); font-weight: 500; }

.input {
  background: var(--bg-surface);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 15px;
  padding: 12px 14px;
  outline: none;
  transition: var(--transition);
  resize: vertical;
  font-family: inherit;
}
.input::placeholder { color: var(--text-muted); }
.input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(59,130,246,0.15); }

/* ── Reading result ──────────────────────────────────────── */
.cards-row {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding-bottom: 4px;
  scroll-snap-type: x mandatory;
  flex-wrap: nowrap;
}
.cards-row.centered { justify-content: center; }
.cards-row::-webkit-scrollbar { height: 4px; }
.cards-row::-webkit-scrollbar-thumb { background: var(--primary); border-radius: 2px; }

.tarot-card {
  flex-shrink: 0;
  width: 100px;
  scroll-snap-align: start;
  text-align: center;
}
.tarot-card img {
  width: 100px;
  height: 167px;
  object-fit: cover;
  border-radius: 8px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.6);
  border: 2px solid rgba(59,130,246,0.3);
  transition: var(--transition);
}
.tarot-card.reversed img {
  transform: rotate(180deg);
  border-color: rgba(239,68,68,0.4);
}
.tarot-card .card-label {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 5px;
  line-height: 1.3;
}
.tarot-card .card-position {
  font-size: 10px;
  color: var(--accent2);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.interpretation-box {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius);
  padding: 18px;
  line-height: 1.7;
  font-size: 14px;
  color: var(--text);
  white-space: pre-wrap;
  box-shadow: var(--shadow);
}

/* ── Loader spinner ──────────────────────────────────────── */
.loading-overlay {
  position: fixed;
  inset: 0;
  background: rgba(11,31,63,0.9);
  backdrop-filter: blur(6px);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  z-index: 999;
  display: none;
}
.loading-overlay.show { display: flex; }

.spinner {
  width: 48px;
  height: 48px;
  border: 4px solid rgba(59,130,246,0.2);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.loading-text {
  color: var(--text-muted);
  font-size: 14px;
  animation: pulse 1.5s ease-in-out infinite;
}
@keyframes pulse { 0%,100% { opacity: 0.6; } 50% { opacity: 1; } }

/* ── Toast notification ──────────────────────────────────── */
.toast {
  position: fixed;
  bottom: 90px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--bg-surface);
  border: 1px solid rgba(255,255,255,0.1);
  color: var(--text);
  padding: 10px 20px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 500;
  opacity: 0;
  transition: all 0.3s ease;
  z-index: 1000;
  white-space: nowrap;
  max-width: 90vw;
  text-align: center;
}
.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}
.toast.success { border-color: var(--success); color: var(--success); }
.toast.error   { border-color: var(--danger);  color: var(--danger); }

/* ── Bottom navigation ───────────────────────────────────── */
.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 480px;
  background: var(--bg-card);
  border-top: 1px solid rgba(255,255,255,0.08);
  display: flex;
  z-index: 100;
  padding-bottom: env(safe-area-inset-bottom);
}

.nav-btn {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 10px 4px 8px;
  background: none;
  border: none;
  cursor: pointer;
  gap: 4px;
  transition: var(--transition);
  color: var(--text-muted);
}
.nav-btn.active { color: var(--accent); }
.nav-btn:hover  { color: var(--text); }

.nav-icon { font-size: 22px; line-height: 1; }
.nav-label { font-size: 10px; font-weight: 500; letter-spacing: 0.03em; }

/* ── History list ────────────────────────────────────────── */
.history-list { display: flex; flex-direction: column; gap: 12px; }

.history-item {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius);
  padding: 14px;
  cursor: pointer;
  transition: var(--transition);
}
.history-item:hover { border-color: var(--accent); }

.history-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
}
.history-spread { font-weight: 600; font-size: 14px; }
.history-date   { font-size: 12px; color: var(--text-muted); }
.history-preview {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ── Balance / top-up ────────────────────────────────────── */
.balance-card {
  background: linear-gradient(135deg, #0F2A5C, #1E3A8A);
  border-radius: var(--radius);
  padding: 24px;
  text-align: center;
  box-shadow: var(--shadow);
  border: 1px solid rgba(59,130,246,0.3);
}
.balance-amount {
  font-size: 48px;
  font-weight: 700;
  background: linear-gradient(90deg, var(--gold), #FCD34D);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.1;
}
.balance-label {
  font-size: 14px;
  color: var(--text-muted);
  margin-top: 4px;
}

.topup-options { display: flex; flex-direction: column; gap: 10px; }

.topup-option {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius);
  padding: 14px 18px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  transition: var(--transition);
}
.topup-option:hover {
  border-color: var(--gold);
  background: rgba(245,158,11,0.07);
}
.topup-stars { font-size: 16px; font-weight: 700; color: var(--gold); }
.topup-desc  { font-size: 12px; color: var(--text-muted); }

/* ── Payment method tabs ─────────────────────────────────── */
.payment-tabs {
  display: flex;
  gap: 8px;
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 6px;
  border: 1px solid rgba(255,255,255,0.07);
}

.payment-tab {
  flex: 1;
  padding: 10px 8px;
  border: none;
  border-radius: calc(var(--radius) - 4px);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  background: transparent;
  color: var(--text-muted);
}
.payment-tab.active {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: var(--text);
  box-shadow: 0 2px 10px rgba(30,58,138,0.4);
}
.payment-tab:not(.active):hover {
  background: rgba(255,255,255,0.05);
  color: var(--text);
}

/* ── Crypto panel ────────────────────────────────────────── */
.crypto-panel {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* Currency tabs (TON / USDT) */
.currency-tabs {
  display: flex;
  gap: 8px;
  margin-top: 6px;
}

.currency-tab {
  flex: 1;
  padding: 10px 8px;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  background: var(--bg-surface);
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
}
.currency-tab.active {
  background: rgba(59,130,246,0.2);
  border-color: var(--accent);
  color: var(--text);
}
.currency-tab:hover:not(.active) {
  border-color: rgba(255,255,255,0.2);
  color: var(--text);
}

/* Crypto price badge in topup options */
.crypto-price-badge {
  font-size: 12px;
  font-weight: 700;
  color: var(--accent2);
  background: rgba(59,130,246,0.1);
  border: 1px solid rgba(59,130,246,0.3);
  border-radius: 8px;
  padding: 4px 8px;
  white-space: nowrap;
}

/* Selected crypto option */
.crypto-stars-btn.selected {
  border-color: var(--accent);
  background: rgba(59,130,246,0.1);
}

/* Crypto summary box */
.crypto-summary {
  background: var(--bg-card);
  border: 1px solid rgba(59,130,246,0.3);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.crypto-summary-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 14px;
  color: var(--text-muted);
}
.crypto-summary-row strong { color: var(--text); }

/* TON Connect button override */
#ton-connect-button tc-button,
#ton-connect-button [data-tc-button] {
  width: 100% !important;
}

/* ── Modal / overlay ─────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(11,31,63,0.85);
  backdrop-filter: blur(6px);
  display: none;
  align-items: flex-end;
  z-index: 200;
}
.modal-overlay.show { display: flex; }

.modal-sheet {
  background: var(--bg-card);
  border-top-left-radius: 20px;
  border-top-right-radius: 20px;
  padding: 20px 20px 28px;
  width: 100%;
  max-width: 480px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
  animation: slideUp 0.3s ease;
}
@keyframes slideUp {
  from { transform: translateY(30px); opacity: 0; }
  to   { transform: translateY(0);    opacity: 1; }
}
.modal-handle {
  width: 40px; height: 4px;
  background: rgba(255,255,255,0.15);
  border-radius: 2px;
  margin: -8px auto 4px;
}
.modal-title { font-size: 18px; font-weight: 700; }
.modal-desc  { font-size: 14px; color: var(--text-muted); line-height: 1.5; }

/* ── Empty state ─────────────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: 40px 20px;
  color: var(--text-muted);
}
.empty-icon { font-size: 48px; margin-bottom: 12px; }
.empty-text { font-size: 15px; }

/* ── Star decorations ────────────────────────────────────── */
.star-count {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--gold);
  font-weight: 600;
}

/* ── Card flip animation ─────────────────────────────────── */
.card-reveal {
  animation: cardReveal 0.5s ease-out;
}
@keyframes cardReveal {
  from { transform: rotateY(90deg) scale(0.8); opacity: 0; }
  to   { transform: rotateY(0)     scale(1);   opacity: 1; }
}

/* ── Scrollable content ──────────────────────────────────── */
.scroll-content {
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

@media (max-width: 360px) {
  .spread-name { font-size: 14px; }
  .tarot-card  { width: 85px; }
  .tarot-card img { width: 85px; height: 142px; }
  .balance-badge { font-size: 11px; padding: 3px 8px; }
  .lang-btn      { font-size: 11px; padding: 3px 8px; }
}

/* ── Auth screen ─────────────────────────────────────────── */
#auth-screen {
  display: none;       /* JS sets display:flex via showAuthScreen() */
  max-width: 480px;
  margin: 0 auto;
  width: 100%;
}

.auth-tab-btn {
  transition: background var(--transition), color var(--transition);
}
.auth-tab-btn:active {
  opacity: 0.85;
}

/* Input focus glow */
#auth-email:focus,
#auth-password:focus,
#reg-name:focus,
#reg-email:focus,
#reg-password:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(59,130,246,0.2);
}