/* ===== ئاساسلىق ستېل ===== */
:root {
  --primary: #d4282a;
  --primary-dark: #a01e1f;
  --gold: #f1b817;
  --gold-dark: #c89200;
  --bg: #fff9f0;
  --card-bg: #ffffff;
  --text: #2a1810;
  --text-light: #6b5544;
  --border: #f0d8b8;
  --success: #2e8b57;
  --warning: #f39c12;
  --danger: #e74c3c;
  --shadow: 0 4px 16px rgba(212, 40, 42, 0.12);
  --radius: 12px;
}

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

body {
  font-family: 'UKIJ Tuz Tom', 'Microsoft YaHei', 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  min-height: 100vh;
}

/* ===== باش قىسمى ===== */
.app-header {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: #fff;
  padding: 20px 0;
  box-shadow: var(--shadow);
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 16px;
}

.logo-circle {
  width: 60px;
  height: 60px;
  background: var(--gold);
  color: var(--primary-dark);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  font-weight: bold;
  box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}

.brand-text h1 {
  font-size: 22px;
  margin-bottom: 4px;
}

.brand-text p {
  font-size: 14px;
  opacity: 0.9;
}

.header-actions .btn-ghost {
  background: rgba(255,255,255,0.15);
  color: #fff;
  border: 1px solid rgba(255,255,255,0.3);
}

.disclaimer-bar {
  background: rgba(0,0,0,0.2);
  text-align: center;
  padding: 8px 20px;
  font-size: 13px;
  margin-top: 12px;
}

/* ===== تاب ناۋىگاتسىيەسى ===== */
.tabs {
  background: var(--card-bg);
  display: flex;
  overflow-x: auto;
  border-bottom: 2px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}

.tab {
  flex: 1;
  min-width: 100px;
  padding: 14px 16px;
  background: transparent;
  border: none;
  cursor: pointer;
  font-size: 15px;
  color: var(--text-light);
  transition: all 0.2s;
  border-bottom: 3px solid transparent;
}

.tab:hover {
  background: var(--bg);
  color: var(--primary);
}

.tab.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
  font-weight: bold;
}

/* ===== ئاساسلىق مەزمۇن ===== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px 20px;
}

.tab-panel {
  display: none;
  animation: fadeIn 0.3s ease;
}

.tab-panel.active {
  display: block;
}

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

/* ===== ئۆي بېتى ===== */
.hero {
  background: linear-gradient(135deg, #fff5e6 0%, #ffe9d6 100%);
  padding: 32px;
  border-radius: var(--radius);
  text-align: center;
  margin-bottom: 24px;
  border: 2px solid var(--gold);
}

.hero h2 {
  color: var(--primary);
  font-size: 26px;
  margin-bottom: 12px;
}

.hero p {
  color: var(--text-light);
  font-size: 15px;
}

.stat-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--card-bg);
  padding: 24px;
  border-radius: var(--radius);
  text-align: center;
  box-shadow: var(--shadow);
  border-top: 4px solid var(--gold);
}

.stat-value {
  font-size: 36px;
  font-weight: bold;
  color: var(--primary);
}

.stat-label {
  color: var(--text-light);
  margin-top: 6px;
  font-size: 14px;
}

.quick-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ===== كۇنپ تەۋسىيەلەر ===== */
.latest-result {
  background: var(--card-bg);
  padding: 24px;
  border-radius: var(--radius);
  margin-bottom: 16px;
  box-shadow: var(--shadow);
  text-align: center;
}

.latest-result h3 {
  color: var(--primary);
  margin-bottom: 16px;
}

.ball-group {
  display: flex;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
  margin: 12px 0;
}

.ball {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  font-size: 18px;
  color: #fff;
  box-shadow: 0 2px 6px rgba(0,0,0,0.2);
}

.ball.red {
  background: linear-gradient(135deg, #e74c3c 0%, #c0392b 100%);
}

.ball.blue {
  background: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
}

.ball.gray {
  background: linear-gradient(135deg, #95a5a6 0%, #7f8c8d 100%);
}

.result-meta {
  color: var(--text-light);
  font-size: 14px;
  margin-top: 8px;
}

/* ===== ئىستاتىستىكا ===== */
.analysis-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 20px;
}

.analysis-card {
  background: var(--card-bg);
  padding: 20px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.analysis-card h3 {
  color: var(--primary);
  margin-bottom: 16px;
  border-bottom: 2px solid var(--border);
  padding-bottom: 8px;
}

.chart-area {
  min-height: 200px;
  display: flex;
  align-items: flex-end;
  gap: 4px;
  padding: 12px 0;
  overflow-x: auto;
}

.bar {
  flex: 1;
  min-width: 20px;
  background: linear-gradient(180deg, var(--primary) 0%, var(--primary-dark) 100%);
  border-radius: 4px 4px 0 0;
  position: relative;
  transition: all 0.3s;
  cursor: pointer;
}

.bar:hover {
  opacity: 0.85;
  transform: scaleY(1.05);
}

.bar-label {
  position: absolute;
  bottom: -22px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 11px;
  color: var(--text-light);
  white-space: nowrap;
}

.bar-value {
  position: absolute;
  top: -18px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 11px;
  color: var(--text);
  white-space: nowrap;
}

.hot-cold-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.hot-list, .cold-list {
  padding: 12px;
  border-radius: 8px;
}

.hot-list {
  background: #fff5e6;
}

.cold-list {
  background: #e6f0ff;
}

.hot-list h4, .cold-list h4 {
  font-size: 14px;
  margin-bottom: 8px;
}

.hot-list h4 { color: var(--danger); }
.cold-list h4 { color: #2980b9; }

.ball-mini {
  display: inline-flex;
  width: 28px;
  height: 28px;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  font-size: 12px;
  font-weight: bold;
  margin: 2px;
  color: #fff;
}

.ball-mini.hot { background: var(--danger); }
.ball-mini.cold { background: #3498db; }

.gap-list, .pattern-list {
  font-size: 13px;
}

.gap-item, .pattern-item {
  display: flex;
  justify-content: space-between;
  padding: 6px 0;
  border-bottom: 1px dashed var(--border);
}

/* ===== تەۋسىيە بەت ===== */
.recommend-controls {
  background: var(--card-bg);
  padding: 20px;
  border-radius: var(--radius);
  margin-bottom: 16px;
  box-shadow: var(--shadow);
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}

.recommend-controls label {
  font-weight: bold;
  color: var(--text);
}

.recommend-controls select,
.recommend-controls input {
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fff;
}

.recommend-list {
  display: grid;
  gap: 16px;
}

.recommend-card {
  background: var(--card-bg);
  padding: 20px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border-right: 4px solid var(--gold);
}

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

.recommend-card-title {
  font-weight: bold;
  color: var(--primary);
  font-size: 17px;
}

.recommend-confidence {
  background: var(--gold);
  color: var(--primary-dark);
  padding: 4px 12px;
  border-radius: 12px;
  font-size: 13px;
  font-weight: bold;
}

.recommend-reason {
  font-size: 13px;
  color: var(--text-light);
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px dashed var(--border);
}

.recommend-notice {
  background: #fffbe6;
  border: 2px solid var(--gold);
  padding: 16px;
  border-radius: var(--radius);
  margin-top: 16px;
  font-size: 13px;
  color: var(--text);
}

/* ===== ئارقا سىناق ===== */
.backtest-controls {
  background: var(--card-bg);
  padding: 20px;
  border-radius: var(--radius);
  margin-bottom: 16px;
  box-shadow: var(--shadow);
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}

.backtest-results {
  display: grid;
  gap: 16px;
}

.backtest-result-card {
  background: var(--card-bg);
  padding: 20px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.backtest-result-card h4 {
  color: var(--primary);
  margin-bottom: 12px;
}

.accuracy-bar {
  height: 24px;
  background: #f0f0f0;
  border-radius: 12px;
  overflow: hidden;
  margin: 8px 0;
}

.accuracy-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--success) 0%, var(--gold) 100%);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding-right: 8px;
  color: #fff;
  font-size: 12px;
  font-weight: bold;
}

.monte-carlo-section {
  margin-top: 24px;
  background: var(--card-bg);
  padding: 20px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.monte-results {
  margin-top: 16px;
}

/* ===== سانلىق مەلۇمات بەت ===== */
.data-actions {
  background: var(--card-bg);
  padding: 20px;
  border-radius: var(--radius);
  margin-bottom: 16px;
  box-shadow: var(--shadow);
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.add-result-form {
  background: var(--card-bg);
  padding: 24px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin-bottom: 16px;
}

.form-row {
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.form-row label {
  min-width: 180px;
  font-weight: bold;
  color: var(--text);
}

.ball-input-group {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.ball-input-group input {
  width: 60px;
  padding: 8px;
  border: 2px solid var(--border);
  border-radius: 8px;
  text-align: center;
  font-size: 16px;
  font-weight: bold;
}

.ball-input-group input:focus {
  border-color: var(--primary);
  outline: none;
}

.data-stats {
  background: var(--card-bg);
  padding: 20px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

/* ===== تىزىملىك ===== */
.results-list {
  display: grid;
  gap: 12px;
}

.result-item {
  background: var(--card-bg);
  padding: 16px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.result-item-info {
  flex: 1;
  min-width: 200px;
}

.result-item-issue {
  font-weight: bold;
  color: var(--primary);
  font-size: 17px;
}

.result-item-date {
  color: var(--text-light);
  font-size: 13px;
}

.filter-bar {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.filter-bar input {
  flex: 1;
  min-width: 200px;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
}

/* ===== كۇنپۇچكا ===== */
.btn {
  padding: 10px 20px;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-size: 15px;
  font-weight: 500;
  transition: all 0.2s;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: #fff;
}

.btn-primary:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(212, 40, 42, 0.3);
}

.btn-secondary {
  background: linear-gradient(135deg, var(--gold) 0%, var(--gold-dark) 100%);
  color: var(--primary-dark);
}

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

.btn-ghost:hover {
  background: var(--bg);
}

/* ===== پۇتۇر قىسمى ===== */
.app-footer {
  background: var(--primary-dark);
  color: #fff;
  text-align: center;
  padding: 24px 20px;
  margin-top: 40px;
}

.app-footer p {
  margin: 4px 0;
  font-size: 13px;
  opacity: 0.9;
}

/* ===== ئۇچۇرلار ===== */
.loading {
  text-align: center;
  padding: 40px;
  color: var(--text-light);
  font-size: 15px;
}

.empty {
  text-align: center;
  padding: 40px;
  color: var(--text-light);
}

.empty-icon {
  font-size: 48px;
  margin-bottom: 12px;
  opacity: 0.5;
}

/* ===== ئىنكاسلىق ===== */
@media (max-width: 768px) {
  .header-inner {
    flex-direction: column;
    text-align: center;
  }

  .brand {
    flex-direction: column;
  }

  .brand-text h1 {
    font-size: 18px;
  }

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

  .stat-value {
    font-size: 28px;
  }

  .ball {
    width: 36px;
    height: 36px;
    font-size: 15px;
  }

  .recommend-controls,
  .backtest-controls {
    flex-direction: column;
    align-items: stretch;
  }

  .form-row {
    flex-direction: column;
    align-items: flex-start;
  }

  .form-row label {
    min-width: auto;
  }
}

/* RTL ئۈچۈن خەنزۇچە */
html[lang="zh"] {
  direction: ltr;
}

html[lang="zh"] body {
  font-family: 'Microsoft YaHei', 'PingFang SC', sans-serif;
}