/* Основные стили интерфейса */

:root {
  /* Цвета из темы Telegram */
  --bg-primary: #0f0f0f;
  --bg-secondary: #212121;
  --bg-card: #212121;
  --bg-input: #2a2a2a;
  
  /* Текст */
  --text-primary: #ffffff;
  --text-secondary: #aaaaaa;
  --text-hint: #777777;
  
  /* Акценты */
  --accent: #8774e1;
  --accent-hover: #9d8ce8;
  --accent-muted: rgba(135, 116, 225, 0.15);
  
  /* Семантические цвета */
  --success: #4caf50;
  --success-muted: rgba(76, 175, 80, 0.15);
  --danger: #e53935;
  --danger-muted: rgba(229, 57, 53, 0.15);
  --warning: #ff9800;
  
  /* Границы */
  --border-color: #333333;
  --border-radius: 12px;
  --border-radius-sm: 8px;
  --border-radius-lg: 16px;
  --border-radius-full: 9999px;
  
  /* Тени */
  --shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.4);
  
  /* Анимации */
  --transition: 0.2s ease;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.5;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
}

/* Container */
.container {
  max-width: 480px;
  margin: 0 auto;
  padding: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Header */
header {
  background: var(--bg-secondary);
  padding: 16px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid var(--border-color);
}

/* Main content */
main {
  padding-top: 40px;
}

header h1 {
  font-size: 18px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
}

.header-controls {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Language Selector */
.lang-select {
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 8px 12px;
  border-radius: var(--border-radius-full);
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  transition: var(--transition);
}

.lang-select:hover {
  border-color: var(--accent);
}

.lang-select:focus {
  outline: none;
  border-color: var(--accent);
}

/* Hidden class */
.hidden {
  display: none !important;
}

/* Cards */
.card {
  background: var(--bg-card);
  border-radius: var(--border-radius-lg);
  padding: 20px;
  margin: 12px 16px;
  animation: slideUp 0.3s ease;
}

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

.card h2 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 16px;
}

.card h3 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--text-secondary);
}

/* Section headers */
.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.section-actions {
  display: flex;
  gap: 8px;
  align-items: center;
}

#refresh-auctions-btn {
  min-width: 36px;
  padding: 6px 10px;
  font-size: 16px;
}

/* ==================== */
/* AUTH SECTION */
/* ==================== */
#auth-section {
  margin: 16px;
  padding: 32px 24px;
}

#auth-section h2 {
  text-align: center;
  font-size: 20px;
  margin-bottom: 24px;
}

#login-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* ==================== */
/* USER PANEL */
/* ==================== */
.user-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-color);
}

.user-info {
  display: flex;
  align-items: center;
  gap: 12px;
}

#user-name {
  font-weight: 600;
  color: var(--accent);
  font-size: 16px;
}

/* Balance */
.balance-info {
  margin-bottom: 20px;
}

.balance-row {
  display: flex;
  justify-content: space-between;
  padding: 12px 0;
  border-bottom: 1px solid var(--border-color);
  font-size: 14px;
}

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

.balance-row.available {
  font-weight: 600;
  font-size: 16px;
  padding-top: 16px;
}

.balance-row.available span:first-child {
  color: var(--success);
}

.balance-row.available span:last-child {
  color: var(--success);
}

.deposit-form {
  display: flex;
  gap: 8px;
}

.deposit-form input {
  flex: 1;
}

/* ==================== */
/* INPUTS */
/* ==================== */
input, textarea, select {
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 14px 16px;
  color: var(--text-primary);
  font-size: 15px;
  transition: var(--transition);
  width: 100%;
}

input:hover, textarea:hover, select:hover {
  border-color: #444;
}

input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--accent);
  background: var(--bg-secondary);
}

input::placeholder, textarea::placeholder {
  color: var(--text-hint);
}

input[type="number"] {
  -moz-appearance: textfield;
}

input[type="number"]::-webkit-outer-spin-button,
input[type="number"]::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

/* ==================== */
/* BUTTONS */
/* ==================== */
button {
  padding: 14px 24px;
  border-radius: var(--border-radius-full);
  border: none;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  background: var(--accent);
  color: white;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

button:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
}

button:active {
  transform: translateY(0);
}

button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

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

.btn-secondary {
  background: var(--bg-input);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background: var(--bg-secondary);
  border-color: var(--accent);
}

.btn-success {
  background: var(--success);
}

.btn-success:hover {
  background: #5cbf60;
}

.btn-small {
  padding: 8px 16px;
  font-size: 13px;
}

.btn-link {
  background: transparent;
  color: var(--accent);
  padding: 8px 0;
  font-weight: 500;
}

.btn-link:hover {
  background: transparent;
  text-decoration: underline;
}

.btn-remove {
  background: var(--danger);
  padding: 6px 12px;
  font-size: 12px;
}

.btn-remove:hover {
  background: #ef5350;
}

/* ==================== */
/* AUCTIONS LIST */
/* ==================== */
.auctions-grid {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.auction-card {
  background: var(--bg-input);
  padding: 16px;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid transparent;
}

.auction-card:hover {
  border-color: var(--accent);
  background: var(--bg-secondary);
}

.auction-card:active {
  transform: scale(0.99);
}

.auction-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 12px;
}

.auction-card-header h3 {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  flex: 1;
}

.auction-card-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 13px;
  color: var(--text-secondary);
}

/* Status badges */
.status-badge {
  padding: 4px 10px;
  border-radius: var(--border-radius-full);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  white-space: nowrap;
}

.status-badge.active {
  background: var(--success-muted);
  color: var(--success);
}

.status-badge.pending {
  background: rgba(255, 152, 0, 0.15);
  color: var(--warning);
}

.status-badge.completed {
  background: rgba(170, 170, 170, 0.15);
  color: var(--text-secondary);
}

.status-badge.cancelled {
  background: var(--danger-muted);
  color: var(--danger);
}

/* ==================== */
/* AUCTION DETAIL */
/* ==================== */
.auction-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  margin: 16px 0;
}

.auction-header h2 {
  margin: 0;
  font-size: 18px;
}

.auction-description {
  color: var(--text-secondary);
  font-size: 14px;
  margin-bottom: 16px;
}

.auction-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin: 16px 0;
}

.stat {
  text-align: center;
  padding: 16px 12px;
  background: var(--bg-input);
  border-radius: var(--border-radius);
}

.stat-label {
  display: block;
  font-size: 12px;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.stat-value {
  font-size: 18px;
  font-weight: 700;
}

/* ==================== */
/* BID SECTION */
/* ==================== */
.bid-section {
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--border-color);
}

.current-bid-info,
.your-bid-info,
.your-position-info {
  display: flex;
  justify-content: space-between;
  padding: 10px 0;
  font-size: 14px;
}

.current-bid-info span:first-child,
.your-bid-info span:first-child,
.your-position-info span:first-child {
  color: var(--text-secondary);
}

.bid-form {
  display: flex;
  gap: 8px;
  margin-top: 16px;
}

.bid-form input {
  flex: 1;
}

.bid-form button {
  white-space: nowrap;
}

/* ==================== */
/* LEADERBOARD */
/* ==================== */
.leaderboard {
  margin-top: 24px;
}

.leaderboard-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.leaderboard-header h3 {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
}

.leaderboard-header .btn-small {
  font-size: 12px;
  padding: 6px 12px;
}

#leaderboard-table {
  width: 100%;
  border-collapse: collapse;
}

#leaderboard-table th,
#leaderboard-table td {
  padding: 12px;
  text-align: left;
  font-size: 14px;
}

#leaderboard-table th {
  color: var(--text-hint);
  font-weight: 500;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 1px solid var(--border-color);
}

#leaderboard-table td {
  border-bottom: 1px solid var(--border-color);
}

#leaderboard-table tr:last-child td {
  border-bottom: none;
}

#leaderboard-table tr.winning {
  background: var(--success-muted);
}

#leaderboard-table tr.winning td:first-child {
  color: var(--success);
  font-weight: 600;
}

#leaderboard-table tr.you {
  background: var(--accent-muted);
}

#leaderboard-table tr.you td {
  color: var(--accent);
  font-weight: 600;
}

#leaderboard-table tr.winning.you {
  background: linear-gradient(135deg, var(--success-muted), var(--accent-muted));
}

/* ==================== */
/* CREATE AUCTION FORM */
/* ==================== */
#create-auction-section {
  padding-bottom: 32px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 500;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 20px;
}

textarea {
  min-height: 80px;
  resize: vertical;
}

/* Rounds config */
#rounds-config {
  margin-bottom: 12px;
}

.round-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
  padding: 12px;
  background: var(--bg-input);
  border-radius: var(--border-radius-sm);
  flex-wrap: wrap;
}

.round-row span {
  font-size: 13px;
  color: var(--text-secondary);
  min-width: 70px;
}

.round-row input {
  width: 70px;
  padding: 10px 12px;
  text-align: center;
}

/* ==================== */
/* NOTIFICATIONS */
/* ==================== */
.notifications {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 1000;
  width: calc(100% - 32px);
  max-width: 400px;
  pointer-events: none;
}

.toast {
  padding: 14px 20px;
  border-radius: var(--border-radius);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-lg);
  animation: toastIn 0.3s ease;
  text-align: center;
  font-size: 14px;
  pointer-events: auto;
}

.toast.success {
  border-color: var(--success);
  background: var(--success-muted);
  color: var(--success);
}

.toast.warning {
  border-color: var(--warning);
  background: rgba(255, 152, 0, 0.15);
  color: var(--warning);
}

.toast.error {
  border-color: var(--danger);
  background: var(--danger-muted);
  color: var(--danger);
}

.toast.fade-out {
  animation: toastOut 0.3s ease forwards;
}

@keyframes toastIn {
  from { 
    transform: translateY(20px); 
    opacity: 0; 
  }
  to { 
    transform: translateY(0); 
    opacity: 1; 
  }
}

@keyframes toastOut {
  from { 
    transform: translateY(0); 
    opacity: 1; 
  }
  to { 
    transform: translateY(20px); 
    opacity: 0; 
  }
}

/* Empty state */
.empty-state {
  text-align: center;
  color: var(--text-hint);
  padding: 40px 20px;
  font-size: 14px;
}

/* ==================== */
/* RESPONSIVE */
/* ==================== */
@media (min-width: 600px) {
  .container {
    max-width: 600px;
  }
}

@media (max-width: 400px) {
  .auction-stats {
    grid-template-columns: 1fr;
  }
  
  .form-row {
    grid-template-columns: 1fr;
  }
  
  .bid-form {
    flex-direction: column;
  }
  
  .round-row {
    flex-direction: column;
    align-items: stretch;
  }
  
  .round-row input {
    width: 100%;
  }
}

/* ==================== */
/* HISTORY */
/* ==================== */
#history-section h2 {
  margin-bottom: 16px;
}

.history-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 16px;
}

.history-item {
  background: var(--bg-primary);
  border-radius: var(--border-radius-sm);
  padding: 12px 16px;
  border: 1px solid var(--border-color);
}

.history-item.winner {
  border-color: var(--success);
  background: rgba(45, 166, 79, 0.1);
}

.history-item-main {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.history-auction {
  font-weight: 500;
  color: var(--text-primary);
}

.history-amount {
  font-weight: 600;
  color: var(--accent);
}

.history-item-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: var(--text-secondary);
}

.history-badge.winner {
  background: var(--success);
  color: white;
  padding: 2px 8px;
  border-radius: 12px;
  font-weight: 500;
}

/* ==================== */
/* PAGINATION */
/* ==================== */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-top: 16px;
}

.pagination .btn-small {
  min-width: 40px;
}

.pagination span {
  color: var(--text-secondary);
  font-size: 14px;
}

/* ==================== */
/* USER ACTIONS */
/* ==================== */
.user-actions {
  display: flex;
  gap: 8px;
}

/* ==================== */
/* SCROLLBAR */
/* ==================== */
::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: #555;
}