.dark-theme {
  --tg-theme-bg-color: #1f1f1f;
  --tg-theme-text-color: #ffffff;
  --tg-theme-hint-color: #aaaaaa;
  --tg-theme-link-color: #64b5f6;
  --tg-theme-button-color: #40a7e3;
  --tg-theme-button-text-color: #ffffff;
  --primary-color: #40a7e3;
  --secondary-color: #2d2d2d;
  --border-color: #444444;
  --success-color: #4caf50;
  --warning-color: #ff9800;
  --error-color: #f44336;
}

.light-theme {
  --tg-theme-bg-color: #f7f7f7;
  --tg-theme-text-color: #222222;
  --tg-theme-hint-color: #888888;
  --tg-theme-link-color: #1976d2;
  --tg-theme-button-color: #1976d2;
  --tg-theme-button-text-color: #ffffff;
  --primary-color: #1976d2;
  --secondary-color: #ffffff;
  --border-color: #cccccc;
  --success-color: #4caf50;
  --warning-color: #ff9800;
  --error-color: #f44336;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Open Sans",
    "Helvetica Neue", sans-serif;
}

body {
  background-color: var(--tg-theme-bg-color, #1f1f1f);
  color: var(--tg-theme-text-color, #ffffff);
  font-size: 16px;
  line-height: 1.5;
}

.container {
  max-width: 100%;
  min-height: 100vh;
  position: relative;
  padding-bottom: 60px;
}

.header {
  padding: 16px;
  text-align: center;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 16px;
}

.header h1 {
  font-size: 24px;
  font-weight: 700;
  color: var(--tg-theme-text-color, #ffffff);
  letter-spacing: 0.5px;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.tab-content {
  display: none;
  padding: 0 16px 16px;
}

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

.tab-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  display: flex;
  background-color: var(--secondary-color, #2d2d2d);
  border-top: 1px solid var(--border-color);
  z-index: 100;
  box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.3);
  padding: 8px 0;
}

.tab-btn {
  flex: 1;
  padding: 16px 12px;
  border: none;
  background: none;
  font-size: 14px;
  font-weight: 600;
  color: var(--tg-theme-hint-color, #aaaaaa);
  cursor: pointer;
  transition: transform 0.15s ease;
  border-radius: 12px;
  margin: 0 6px;
  position: relative;
  overflow: hidden;
  -webkit-tap-highlight-color: transparent;
  min-height: 48px; /* Обеспечиваем удобную область для тапа */
}

.tab-btn.active {
  color: var(--tg-theme-button-text-color, #ffffff);
  background-color: var(--tg-theme-button-color, #40a7e3);
  border-top: none;
  box-shadow: inset 0 -2px 4px rgba(0, 0, 0, 0.2);
}

.tab-btn:active {
  transform: scale(0.98);
  opacity: 0.9;
}


.tab-btn:not(.active) {
  background-color: rgba(255, 255, 255, 0.05);
}

.variants-list {
  margin-top: 16px;
}

.variant-card {
  position: relative;
  background: linear-gradient(180deg, rgba(255,255,255,0.04), rgba(0,0,0,0.05));
  border: 1px solid var(--border-color);
  border-radius: 14px;
  padding: 18px 16px;
  margin-bottom: 14px;
  cursor: pointer;
  transition: transform 0.12s ease, box-shadow 0.2s ease, background 0.2s ease;
  color: var(--tg-theme-text-color, #ffffff);
  overflow: hidden;
  -webkit-tap-highlight-color: transparent;
  box-shadow: 0 2px 8px rgba(0,0,0,0.25);
}

/* Стрелка справа, как в Telegram списках */
.variant-card::after {
  content: "›";
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--tg-theme-hint-color);
  font-size: 22px;
  opacity: 0.5;
  transition: opacity 0.15s ease;
}

/* Лёгкий "всплеск" при тапе */
.variant-card:active {
  transform: scale(0.985);
  background-color: rgba(64, 167, 227, 0.08);
  box-shadow: 0 0 10px rgba(64,167,227,0.25);
}

.variant-card:active::after {
  opacity: 0.9;
}


.variant-card {
  animation: fadeInUp 0.25s ease both;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.variant-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.variant-id {
  font-weight: 600;
  font-size: 16px;
  color: var(--tg-theme-text-color, #ffffff);
}

.variant-date {
  font-size: 14px;
  color: var(--tg-theme-hint-color, #aaaaaa);
}

.variant-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.variant-user {
  font-size: 14px;
  color: var(--tg-theme-text-color, #ffffff);
}

.variant-mark,
.submission-mark {
  font-weight: 600;
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 14px;
  color: var(--tg-theme-button-text-color, #ffffff);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.mark-none {
  background-color: #555555;
  color: var(--tg-theme-text-color, #ffffff);
}

.mark-good {
  background-color: var(--success-color);
  color: white;
}

.mark-average {
  background-color: var(--warning-color);
  color: white;
}

.mark-bad {
  background-color: var(--error-color);
  color: white;
}

.variant-submissions-count {
  font-size: 12px;
  color: var(--tg-theme-hint-color, #aaaaaa);
  margin-top: 8px;
}

.variant-details {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--tg-theme-bg-color, #1f1f1f);
  z-index: 200;
  padding: 16px;
  overflow-y: auto;
}

.variant-details h2 {
  color: var(--tg-theme-text-color, #ffffff);
}

.hidden {
  display: none;
}

.back-button {
  margin-bottom: 16px;
}

.back-button button {
  background: none;
  border: none;
  color: var(--tg-theme-link-color, #64b5f6);
  font-size: 16px;
  cursor: pointer;
  padding: 8px 0;
}

.submission-tabs {
  display: flex;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 16px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.submission-tab {
  padding: 8px 16px;
  border: none;
  background: none;
  font-size: 14px;
  white-space: nowrap;
  color: var(--tg-theme-hint-color, #aaaaaa);
  cursor: pointer;
}

.submission-tab.active {
  color: var(--tg-theme-button-color, #40a7e3);
  border-bottom: 2px solid var(--tg-theme-button-color, #40a7e3);
}

.submission-content {
  display: none;
  color: var(--tg-theme-text-color, #ffffff);
}

.submission-content.active {
  display: block;
}

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

.submission-date {
  font-size: 14px;
  color: var(--tg-theme-hint-color, #aaaaaa);
}

.submission-mark {
  font-weight: 600;
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 14px;
}

.submission-section {
  margin-bottom: 24px;
}

.submission-section h3 {
  font-size: 16px;
  margin-bottom: 12px;
  font-weight: 500;
  color: var(--tg-theme-text-color, #ffffff);
}

.results-grid,
.answers-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
  gap: 10px;
}

.result-item,
.answer-item {
  display: flex;
  flex-direction: column;
  background-color: var(--secondary-color, #2d2d2d);
  border-radius: 6px;
  overflow: hidden;
  border: 1px solid var(--border-color);
}

.result-number,
.answer-number {
  background-color: var(--tg-theme-button-color, #40a7e3);
  color: var(--tg-theme-button-text-color, #ffffff);
  text-align: center;
  padding: 4px;
  font-size: 12px;
  font-weight: 600;
}

.result-value,
.answer-value {
  padding: 8px;
  text-align: center;
  font-size: 14px;
  word-break: break-word;
  color: var(--tg-theme-text-color, #ffffff);
}

.notes-box {
  color: var(--tg-theme-text-color, #ffffff);
  background-color: var(--secondary-color, #2d2d2d);
  border-radius: 8px;
  padding: 12px;
  font-style: italic;
  border: 1px solid var(--border-color);
}

.other-content {
  padding: 16px 0;
}

.info-card {
  background-color: var(--secondary-color, #2d2d2d);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 24px;
  margin-bottom: 20px;
  color: var(--tg-theme-text-color, #ffffff);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
  background: linear-gradient(145deg,
    var(--secondary-color) 0%,
    rgba(45, 45, 45, 0.8) 100%
  );
  -webkit-tap-highlight-color: transparent;
}.info-card h2 {
  font-size: 18px;
  margin-bottom: 12px;
  font-weight: 600;
  color: var(--tg-theme-text-color, #ffffff);
}

.crypto-info {
  margin-top: 12px;
}

.crypto-item {
  margin-bottom: 16px;
}

.crypto-item h3 {
  font-size: 16px;
  margin-bottom: 8px;
  font-weight: 500;
  color: var(--tg-theme-text-color, #ffffff);
}

.crypto-address {
  display: flex;
  align-items: center;
  border-radius: 6px;
  padding: 8px;
  overflow: hidden;
  color: var(--tg-theme-text-color, #ffffff);
  background-color: #333333;
  border: 1px solid var(--border-color);
}

.crypto-address code {
  flex: 1;
  font-family: monospace;
  font-size: 12px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--tg-theme-text-color, #ffffff);
}

.copy-btn {
  background-color: var(--tg-theme-button-color, #40a7e3);
  color: var(--tg-theme-button-text-color, #ffffff);
  border: none;
  border-radius: 4px;
  padding: 6px 12px;
  margin-left: 8px;
  font-size: 12px;
  cursor: pointer;
  white-space: nowrap;
}


.loader {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border-color);
  border-radius: 50%;
  border-top-color: var(--tg-theme-button-color, #40a7e3);
  animation: spin 1s linear infinite;
  margin: 40px auto;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.toast {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  background-color: rgba(0, 0, 0, 0.7);
  color: white;
  padding: 10px 20px;
  border-radius: 4px;
  z-index: 1000;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.toast.show {
  opacity: 1;
}

.empty-state {
  text-align: center;
  padding: 40px 0;
  color: var(--tg-theme-hint-color, #aaaaaa);
}
.error-message {
  text-align: center;
  padding: 20px;
  background-color: var(--secondary-color, #2d2d2d);
  border-radius: 8px;
  margin-top: 20px;
  color: var(--tg-theme-text-color, #ffffff);
}

.error-message p {
  margin-bottom: 16px;
}

.dark-theme {
  color-scheme: dark;
}