:root {
  --color-bg: #f8fafc;
  --color-text: #1f2937;
  --color-primary: #2563eb;
  --color-success: #22c55e;
  --color-warning: #facc15;
  --color-error: #ef4444;
  --color-muted: #64748b;
  --color-bg-light: #ffffff;
  --color-bg-hover: #e2e8f0;
  --color-border: #e2e8f0;

  --radius: 0.75rem;
  --spacing: 1rem;

  --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-size-base: clamp(14px, 1.2vw, 16px);
  --font-size-small: 0.9rem;
  --font-size-medium: 1rem;
  --font-weight-normal: 400;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
}

html {
  box-sizing: border-box;
  overflow-x: hidden;
  font-size: var(--font-size-base);
  scroll-behavior: smooth;
}

*, *::before, *::after {
  box-sizing: inherit;
}

body {
  margin: 0;
  font-family: var(--font-family);
  background: var(--color-bg);
  color: var(--color-text);
  width: 100vw;
  overflow-x: hidden;
  position: relative;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.container {
  max-width: 1800px;
  margin: var(--spacing) auto;
  padding: 0 var(--spacing);
  overflow: hidden;
  position: relative;
}

.exchange {
  background: var(--color-bg-light);
  padding: calc(var(--spacing) * 2);
  border-radius: var(--radius);
  box-shadow: 0 6px 12px -4px rgba(0, 0, 0, 0.1);
  overflow-x: auto;
}

/* Table sections */
.table-section {
  position: relative;
  margin-bottom: calc(var(--spacing) * 2);
  background: var(--color-bg-light);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
}

.table-section h3 {
  margin: var(--spacing) 0;
  color: #334155;
  font-size: 1.25rem;
  padding-left: 0.75rem;
  font-weight: var(--font-weight-semibold);
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1.25rem;
  min-width: 900px;
  font-size: var(--font-size-small);
  table-layout: fixed;
}

th, td {
  padding: 1rem 1rem;
  text-align: center !important;
  vertical-align: middle !important;
  border-bottom: 1px solid var(--color-border);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  word-break: break-word;
}

th {
  background: var(--color-bg-hover);
  position: sticky;
  top: 0;
  cursor: pointer;
  transition: background 0.3s ease;
  user-select: none;
  font-weight: var(--font-weight-semibold);
  color: #475569;
  width: 10%;
  min-width: 80px;
}

th:hover {
  background: #dbeafe;
  outline: none;
}

th:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
}

th:first-child, td:first-child {
  text-align: left;
  font-weight: var(--font-weight-semibold);
  cursor: pointer;
  position: relative;
  width: 20%;
  min-width: 150px;
  white-space: normal;
}

.high-activity {
  background: #dcdcdc !important;
}

tr.high-activity td:first-child::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  height: 100%;
  width: 4px;
  background: var(--color-error);
}

.status {
  padding: 0.3rem 0.85rem;
  border-radius: 9999px;
  font-size: 0.875rem;
  font-weight: var(--font-weight-semibold);
  user-select: none;
  display: inline-block;
  text-transform: capitalize;
}

.connected {
  background: var(--color-success);
  color: #fff;
}

.connecting {
  background: var(--color-warning);
  color: #000;
}

.error {
  background: var(--color-error);
  color: #fff;
}

.status.disconnected {
  background: var(--color-error);
  color: #fff;
}

.positive {
  color: #16a34a !important;
  font-weight: var(--font-weight-semibold);
}

.negative {
  color: #dc2626 !important;
  font-weight: var(--font-weight-semibold);
}

.sorted-asc::after {
  content: ' ▴';
  font-size: 0.75em;
  margin-left: 0.25rem;
}

.sorted-desc::after {
  content: ' ▾';
  font-size: 0.75em;
  margin-left: 0.25rem;
}

.copied {
  background: var(--color-bg-hover) !important;
  color: var(--color-text) !important;
}

.volume-badge {
  padding: 3px 8px;
  border-radius: 6px;
  background: rgba(0, 0, 0, 0.07);
  font-weight: var(--font-weight-semibold);
  font-size: 0.85rem;
  user-select: none;
}

/*.volume-spike {
  background: #dcdcdc;
  border-left: 4px solid var(--color-error);
}*/

@keyframes highlight {
  0% {
    background: rgba(34, 197, 94, 0.3);
  }
  100% {
    background: transparent;
  }
}

#userCount {
  background: #f1f5f9;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0.3rem 1rem;
  border-radius: 9999px;
  font-size: var(--font-size-medium);
  font-weight: var(--font-weight-semibold);
  user-select: none;
  color: var(--color-text);
}

.settings-section-title {
  margin: 1.5rem 0 0.5rem;
  font-size: 1.1rem;
  font-weight: var(--font-weight-semibold);
  color: #334155;
}

.modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 1000;
}

.modal-content {
  position: absolute;
  top: 0; left: 0;
  transform-origin: top left;
  transform: scale(0);
  transition: transform 0.2s ease-out;
  width: 375px;
  max-width: 90vw;
  padding: calc(var(--spacing) * 2);
  background: var(--color-bg-light);
  border-radius: var(--radius);
  box-shadow: 0 6px 10px rgba(0,0,0,0.15);
}

.modal.show .modal-content {
  transform: scale(0.7);
}

.modal-content .form-group label {
  text-align: left !important;
  font-weight: var(--font-weight-semibold);
  color: #475569;
}

.close-btn {
  background: none;
  border: none;
  color: var(--color-muted);
  font-size: 1.6rem;
  cursor: pointer;
  padding: 0 0.5rem;
  transition: color 0.2s ease;
}

.close-btn:hover,
.close-btn:focus-visible {
  color: var(--color-error);
  outline: none;
}

.settings-form {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group label {
  font-size: var(--font-size-medium);
  color: #475569;
}

.form-group input {
  background: var(--color-bg);
  border: 1.5px solid #cbd5e1;
  color: var(--color-text);
  padding: 0.6rem 0.8rem;
  border-radius: 0.375rem;
  font-size: var(--font-size-medium);
  transition: border-color 0.2s ease;
}

.form-group input:focus {
  outline: none;
  border-color: var(--color-primary);
  background: var(--color-bg-light);
}

.settings-btn {
  background: #f1f5f9;
  color: var(--color-text);
  border: none;
  padding: 0.6rem 1.25rem;
  border-radius: 0.5rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: background 0.3s ease;
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-medium);
}

.settings-btn:hover,
.settings-btn:focus-visible {
  background: var(--color-bg-hover);
  outline: none;
}

.modal-footer {
  display: flex;
  margin-top: 16px;
  padding-top: 8px;
}

.modal-footer button {
  flex: 1;
  margin: 0;
  padding: 0.75rem 1rem;
  background: #f1f5f9;;
  border: none;
  border-radius: 0.5rem;
  font-size: var(--font-size-medium);
  color: var(--color-text);
  cursor: pointer;
  transition: background 0.2s;
}

.modal-footer button:hover {
  background: var(--color-bg-hover);
}

.theme-toggle-btn {
  background: #f1f5f9;
  color: var(--color-text);
  border: none;
  padding: 0.5rem 1rem;
  border-radius: 0.5rem;
  cursor: pointer;
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-medium);
  transition: background 0.3s ease;
}

.theme-toggle-btn:hover,
.theme-toggle-btn:focus-visible {
  background: var(--color-bg-hover);
  outline: none;
}

.toast {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: rgba(0,0,0,0.8);
  color: #fff;
  padding: 10px 16px;
  border-radius: 4px;
  font-size: 0.9rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
  z-index: 9999;
}

.toast.show {
  opacity: 1;
  visibility: visible;
}

/* Dark theme overrides */
body.dark-theme {
  --color-bg: #0a0a0a;
  --color-text: #d1d5db;
  --color-primary: #737373;
  --color-success: #22c55e;
  --color-warning: #facc15;
  --color-error: #ef4444;
  --color-muted: #6b7280;
  --color-bg-light: #121212;
  --color-bg-hover: #1c1c1c;
  --color-border: #2c2c2c;
}

body.dark-theme {
  background: var(--color-bg);
  color: var(--color-text);
}

body.dark-theme #logo-light {
  display: none !important;
}
body.dark-theme #logo-dark {
  display: block !important;
}

body.dark-theme .exchange,
body.dark-theme .modal-content,
body.dark-theme .table-section {
  background: var(--color-bg-light);
  box-shadow: none;
}

body.dark-theme th{
  background: var(--color-bg-hover);
  color: var(--color-text);
}

body.dark-theme th:hover {
  background: var(--color-bg-light);
}

body.dark-theme td {
  border-color: var(--color-border);
  color: var(--color-text);
}

body.dark-theme tr.high-activity {
  background: #1f1f1f !important;
}

body.dark-theme tr.high-activity td:first-child::before {
  background: var(--color-error);
}

body.dark-theme .table-section h3,
body.dark-theme h4,
body.dark-theme .modal-content .form-group label {
  color: var(--color-text);
}

body.dark-theme .volume-spike {
  background: #1f1f1f;
  border-left: 4px solid var(--color-error);
}

body.dark-theme .settings-btn,
body.dark-theme .theme-toggle-btn,
body.dark-theme .modal-footer button {
  background: #404040;
  color: var(--color-text);
  transition: background 0.3s ease;
}

body.dark-theme .settings-btn:hover,
body.dark-theme .settings-btn:focus-visible,
body.dark-theme .modal-footer button:hover,
body.dark-theme .theme-toggle-btn:hover,
body.dark-theme .theme-toggle-btn:focus-visible {
  background: #2c2c2c;
  outline: none;
}

body.dark-theme .modal {
  display: none;
}

body.dark-theme .modal-content {
  background: var(--color-bg-light);
}

body.dark-theme .form-group input {
  background: #1c1c1c;
  border-color: #2c2c2c;
  color: var(--color-text);
}

body.dark-theme .form-group input:focus {
  background: #2c2c2c;
  border-color: var(--color-primary);
}

body.dark-theme .positive {
  color: #22c55e !important;
}

body.dark-theme .negative {
  color: #ef4444 !important;
}

body.dark-theme .copied {
  background: var(--color-bg-hover) !important;
  color: var(--color-text) !important;
}
body.dark-theme #userCount {
  background: #404040;
}
body.dark-theme .toast {
  background: #1c1c1c;
  color: var(--color-text);
}

/* Responsive tweaks omitted for brevity */


/*Адаптивка*/
@media (max-width: 1024px) {
  html, body {
    margin: 0 !important;
    padding: 0 !important;
    width: 100vw !important;
    overflow-x: hidden !important;
  }
  .container {
    max-width: 100% !important;
    padding: 5px !important;
    margin: 0 auto !important;
  }
  .exchange {
    padding: 0 !important;
    margin: 0 !important;
  }
  .exchange > div[style*="justify-content: space-between"] {
    display: flex !important;
    flex-wrap: wrap !important;
    justify-content: center !important;
    gap: 0.5rem !important;
  }
  .exchange > div[style*="justify-content: space-between"] h2 {
    flex: 1 1 100% !important;
    margin: 0.5rem 0 !important;
    text-align: center !important;
  }
  .exchange > div[style*="justify-content: space-between"] > div {
    display: flex !important;
    flex-wrap: wrap !important;
    justify-content: center !important;
    gap: 0.5rem !important;
  }
  .exchange > div[style*="justify-content: space-between"] > div > *:nth-child(1) {
    order: 1 !important;
  }
  .exchange > div[style*="justify-content: space-between"] > div > *:nth-child(2) {
    order: 2 !important;
  }
  .exchange > div[style*="justify-content: space-between"] > div > *:nth-child(3) {
    order: 3 !important;
  }
  .exchange > div[style*="justify-content: space-between"] > div > #openSupportButton {
    order: 4 !important;
  }
  .exchange > div[style*="justify-content: space-between"] > div > #openModalButton {
    order: 5 !important;
  }
  /* Кнопка темы теперь по ID */
  .exchange > div[style*="justify-content: space-between"] > div > #changeoftopic {
    order: 6 !important;
  }
  table thead th:nth-child(n+7),
  table tbody td:nth-child(n+7) {
    display: none !important;
  }
  table {
    width: 100% !important;
    min-width: 0 !important;
    table-layout: fixed !important;
  }
  th, td {
    padding: 0.4rem 0.6rem !important;
    font-size: 0.85rem !important;
    white-space: nowrap !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
  }
  .table-section > h3 {
    text-align: center !important;
    margin-bottom: 0.75rem !important;
  }
  table thead th {
    white-space: normal !important;
    overflow-wrap: break-word !important;
    word-break: break-word !important;
    hyphens: auto !important;
  }
}
@media (max-width: 640px) {
  .exchange > div[style*="justify-content: space-between"] {
    flex-direction: column !important;
    align-items: center !important;
  }
  .exchange > div[style*="justify-content: space-between"] > div {
    display: grid !important;
    grid-template-columns: repeat(3, auto) !important;
    grid-auto-rows: auto !important;
    justify-content: center !important;
    gap: 0.5rem !important;
    width: 100% !important;
  }
  .exchange > div[style*="justify-content: space-between"] > div > *:nth-child(1) {
    grid-row: 1; grid-column: 1;
  }
  .exchange > div[style*="justify-content: space-between"] > div > *:nth-child(2) {
    grid-row: 1; grid-column: 2;
  }
  .exchange > div[style*="justify-content: space-between"] > div > *:nth-child(3) {
    grid-row: 1; grid-column: 3;
  }
  .exchange > div[style*="justify-content: space-between"] > div > #openSupportButton {
    grid-row: 2; grid-column: 1;
  }
  .exchange > div[style*="justify-content: space-between"] > div > #openModalButton {
    grid-row: 2; grid-column: 2;
  }
  .exchange > div[style*="justify-content: space-between"] > div > #changeoftopic {
    grid-row: 2; grid-column: 3;
  }
  .exchange > div[style*="justify-content: space-between"] > div > * {
    text-align: center !important;
    align-self: center !important;
  }
  .modal.test-mode-modal .modal-content.test-mode-content {
    margin: 10vh auto;
    padding: var(--spacing);
    font-size: 0.9rem;
  }
  #settingsModal {
    display: none;
  }
  #settingsModal.show {
    display: flex;
    justify-content: center;
    align-items: center;
    background: rgba(0, 0, 0, 0.4);
  }
  #settingsModal .modal-content {
    position: fixed !important;
    top:    0 !important;
    left:   0 !important;
    width:  100vw !important;
    height: 100vh !important;
    max-width:  100vw !important;
    max-height: 100vh !important;
    transform: none !important;
    border-radius: 0 !important;
    padding: 1rem !important;
    overflow-y: auto !important;
    box-shadow: none !important;
  }
  #settingsModal .modal-header h2 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
  }
  /* Форма растягиваем во всю ширину */
  #settingsModal .settings-form {
    gap: 1rem;
  }
  #settingsModal .settings-form .form-group {
    width: 100%;
  }
  #settingsModal .settings-form .form-group input {
    width: 100%;
    box-sizing: border-box;
  }
  #settingsModal .modal-footer {
    flex-direction: column;
    gap: 0.75rem;
  }
  #settingsModal .modal-footer button {
    width: 100%;
    padding: 0.9rem 1rem;
    font-size: 1rem;
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes fadeOut {
  from { opacity: 1; }
  to   { opacity: 0; }
}

.row-fade-in {
  animation: fadeIn 0.5s ease-out forwards;
}
.row-fade-out {
  animation: fadeOut 0.5s ease-out forwards;
}

@keyframes blinkAnim {
  0%, 100% { background-color: #dcdcdc;
  50%      { background-color: transparent;
}

.blink {
  animation: blinkAnim 1s ease-in-out forwards;
}

@keyframes highlightActive {
  from { background-color: rgba(220, 38, 38, 0.4); }
  to   { background-color: transparent; }
}
.high-activity-anim {
  animation: highlightActive 1.2s ease-out forwards;
}

#testModeModal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  display: none;
  align-items: center;   
  justify-content: center;
  background: rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(5px);
  opacity: 0;
  transition: opacity 0.4s ease;
  z-index: 1000;
}

#testModeModal.show {
  display: flex;
  opacity: 1;
}

@keyframes modal-pop-in {
  from {
    transform: translate(-50%, -52%) scale(0.9);
    opacity: 0;
  }
  to {
    transform: translate(-50%, -50%) scale(1);
    opacity: 1;
  }
}

#testModeModal .modal-content {
  position: fixed !important;
  top: 50% !important;
  left: 50% !important;
  transform: translate(-50%, -50%) scale(0.9);
  width: auto;
  max-width: 90vw;
  opacity: 0;
  animation-fill-mode: forwards;
  animation-duration: 0.4s;
  animation-timing-function: cubic-bezier(0.2, 0, 0.2, 1);
}

#testModeModal.show .modal-content {
  animation-name: modal-pop-in;
}