/* ==========================================================================
   Mehrnet Rates — Core Design System
   Faithfully inspired by ~/Code/mehrnet/radar
   ========================================================================== */

:root {
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, "SF Mono", "Cascadia Mono", "Segoe UI Mono", Menlo, Monaco, Consolas, monospace;

  /* Type Scale */
  --text-xs: 0.72rem;
  --text-sm: 0.80rem;
  --text-base: 0.88rem;
  --text-md: 1.02rem;
  --text-lg: 1.20rem;
  --text-xl: 1.45rem;
  --text-2xl: 1.80rem;

  /* Spacing Scale */
  --space-1: 0.2rem;
  --space-2: 0.35rem;
  --space-3: 0.5rem;
  --space-4: 0.75rem;
  --space-5: 1rem;
  --space-6: 1.25rem;
  --space-7: 1.5rem;
  --space-8: 2rem;
  --space-9: 2.5rem;
  --space-10: 3rem;

  /* Radii */
  --radius-xs: 0.35rem;
  --radius-sm: 0.4rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.65rem;
  --radius-xl: 0.85rem;
  --radius-full: 999rem;

  /* Motion */
  --duration-fast: 0.15s;
  --duration-base: 0.2s;
  --ease-out: cubic-bezier(0, 0, 0.2, 1);
  --ease-linear: linear;
}

/* ==========================================================================
   Themes: Dark (Default), Black (OLED), Light
   ========================================================================== */

[data-theme="dark"] {
  --bg-primary: #090d11;
  --bg-secondary: #0f151c;
  --bg-card: #151e27;
  --bg-card-hover: #1b2632;
  --glass-bg: rgba(15, 21, 28, 0.88);

  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  --border: rgba(255, 255, 255, 0.08);
  --border-subtle: rgba(255, 255, 255, 0.04);
  --border-hover: rgba(255, 255, 255, 0.16);

  --accent: #06b6d4;
  --accent-hover: #0891b2;
  --accent-rgb: 6, 182, 212;
  --accent-subtle: rgba(6, 182, 212, 0.14);
  --accent-text: #67e8f9;

  --success: #10b981;
  --success-subtle: rgba(16, 185, 129, 0.14);
  --warning: #f59e0b;
  --warning-subtle: rgba(245, 158, 11, 0.14);
  --danger: #ef4444;
  --danger-subtle: rgba(239, 68, 68, 0.14);

  --shadow-sm: 0 0.0625rem 0.125rem 0 rgba(0, 0, 0, 0.4);
  --shadow-md: 0 0.25rem 0.375rem -0.0625rem rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 0.625rem 0.9375rem -0.1875rem rgba(0, 0, 0, 0.6);
}

[data-theme="black"] {
  --bg-primary: #000000;
  --bg-secondary: #0d0d0d;
  --bg-card: #141414;
  --bg-card-hover: #1c1c1c;
  --glass-bg: rgba(10, 10, 10, 0.9);

  --text-primary: #ffffff;
  --text-secondary: #8a8a8a;
  --text-muted: #5a5a5a;

  --border: rgba(255, 255, 255, 0.12);
  --border-subtle: rgba(255, 255, 255, 0.06);
  --border-hover: rgba(255, 255, 255, 0.22);

  --accent: #06b6d4;
  --accent-hover: #0891b2;
  --accent-rgb: 6, 182, 212;
  --accent-subtle: rgba(6, 182, 212, 0.16);
  --accent-text: #67e8f9;

  --success: #4ade80;
  --success-subtle: rgba(74, 222, 128, 0.14);
  --warning: #facc15;
  --warning-subtle: rgba(250, 204, 21, 0.14);
  --danger: #f87171;
  --danger-subtle: rgba(248, 113, 113, 0.14);

  --shadow-sm: 0 0.0625rem 0.125rem 0 rgba(0, 0, 0, 0.8);
  --shadow-md: 0 0.25rem 0.375rem -0.0625rem rgba(0, 0, 0, 0.9);
  --shadow-lg: 0 0.625rem 0.9375rem -0.1875rem rgba(0, 0, 0, 0.95);
}

[data-theme="light"] {
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-card: #ffffff;
  --bg-card-hover: #f1f5f9;
  --glass-bg: rgba(255, 255, 255, 0.9);

  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;

  --border: rgba(0, 0, 0, 0.08);
  --border-subtle: rgba(0, 0, 0, 0.04);
  --border-hover: rgba(0, 0, 0, 0.16);

  --accent: #0284c7;
  --accent-hover: #0369a1;
  --accent-rgb: 2, 132, 199;
  --accent-subtle: rgba(2, 132, 199, 0.1);
  --accent-text: #0284c7;

  --success: #059669;
  --success-subtle: rgba(5, 150, 105, 0.1);
  --warning: #d97706;
  --warning-subtle: rgba(217, 119, 6, 0.1);
  --danger: #dc2626;
  --danger-subtle: rgba(220, 38, 38, 0.1);

  --shadow-sm: 0 0.0625rem 0.125rem 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 0.25rem 0.375rem -0.0625rem rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 0.625rem 0.9375rem -0.1875rem rgba(0, 0, 0, 0.1);
}

/* ==========================================================================
   Typography & Viewport Shell System (Radar Architecture)
   ========================================================================== */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

*::-webkit-scrollbar {
  display: none;
}

html {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  height: 100%;
}

html[lang="fa"],
html[dir="rtl"] {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Tahoma, Arial, sans-serif;
  direction: rtl;
  text-align: right;
}

body {
  height: 100vh;
  height: 100dvh;
  overflow: hidden;
  background-color: var(--bg-primary);
}

.page {
  display: flex;
  flex-direction: column;
  height: 100vh;
  height: 100dvh;
  overflow: hidden;
  position: relative;
}

.content {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  overflow-x: hidden;
  -webkit-overflow-scrolling: touch;
  display: flex;
  flex-direction: column;
  padding: var(--space-7) var(--space-6) var(--space-8);
}

body.modal-open {
  overflow: hidden;
}

body.modal-open .page {
  overflow: hidden;
}

body.modal-open .content {
  overflow: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
}

.mono {
  font-family: var(--font-mono);
}

.icon {
  width: 1rem;
  height: 1rem;
  display: inline-block;
  flex-shrink: 0;
  vertical-align: middle;
}

.container {
  max-width: 76rem;
  margin: 0 auto;
  padding: 0 var(--space-6);
  width: 100%;
}

.text-center {
  text-align: center;
}

/* ==========================================================================
   Top Loading Bar (Radar Architecture)
   ========================================================================== */

#top-loading-bar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 0.16rem;
  z-index: 9999;
  overflow: hidden;
  background: transparent;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease-out;
}

#top-loading-bar.running,
#top-loading-bar.finishing,
#top-loading-bar.holding {
  opacity: 1;
}

#top-loading-bar .seg {
  position: absolute;
  top: 0;
  bottom: 0;
  left: -40%;
  width: 40%;
  background: linear-gradient(90deg, var(--accent), var(--accent-hover));
  box-shadow: 0 0 0.5rem 0 rgba(6, 182, 212, 0.6);
}

#top-loading-bar.running .seg {
  animation: top-loading-bar-loop 1.5s linear infinite;
}

#top-loading-bar.finishing .seg {
  animation: top-loading-bar-finish 0.3s cubic-bezier(0.3, 0, 0.2, 1) forwards;
}

#top-loading-bar.filled .seg {
  left: 0;
  width: 100%;
}

@keyframes top-loading-bar-loop {
  0%   { left: -40%; width: 40%; }
  100% { left: 100%; width: 40%; }
}

@keyframes top-loading-bar-finish {
  0%   { left: -40%; width: 40%; }
  100% { left: 0%; width: 100%; }
}

/* ==========================================================================
   Header Navigation
   ========================================================================== */

.nav {
  position: sticky;
  top: 0;
  z-index: 900;
  background: var(--glass-bg);
  backdrop-filter: blur(0.75rem);
  -webkit-backdrop-filter: blur(0.75rem);
  border-bottom: 0.0625rem solid var(--border);
  height: 3.75rem;
  display: flex;
  align-items: center;
}

.nav-container {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  width: 100%;
}

.nav-brand {
  justify-self: start;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
}

.brand-logo-icon {
  width: 2rem;
  height: 2rem;
  border-radius: var(--radius-md);
  background: var(--bg-secondary);
  border: 0.0625rem solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  transition: transform var(--duration-fast), border-color var(--duration-fast);
}

.brand-logo-icon.heartbeat {
  animation: heartbeat 0.8s ease;
}

@keyframes heartbeat {
  0% { transform: scale(1); }
  25% { transform: scale(1.15); box-shadow: 0 0 0.75rem var(--accent); }
  50% { transform: scale(0.95); }
  75% { transform: scale(1.05); }
  100% { transform: scale(1); }
}

.logo-svg {
  width: 1.25rem;
  height: 1.25rem;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.brand-mark {
  font-size: var(--text-base);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.brand-accent {
  color: var(--accent);
}

.brand-sub {
  font-size: 0.65rem;
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: 0.02em;
}

.nav-center {
  justify-self: center;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.nav-center a {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-secondary);
  transition: background var(--duration-fast), color var(--duration-fast);
}

.nav-center a:hover {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

.nav-center a.active {
  background: var(--accent-subtle);
  color: var(--accent);
  font-weight: 600;
}

.nav-center a .icon {
  width: 1rem;
  height: 1rem;
}

.nav-right {
  justify-self: end;
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.action-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius-md);
  font-size: var(--text-xs);
  font-weight: 600;
  background: var(--bg-secondary);
  border: 0.0625rem solid var(--border);
  color: var(--text-primary);
  cursor: pointer;
  transition: background var(--duration-fast), border-color var(--duration-fast);
}

.action-btn .icon {
  width: 1rem;
  height: 1rem;
  flex-shrink: 0;
}

.action-btn.user-btn {
  border-radius: var(--radius-full);
  padding: 0;
  width: 2.2rem;
  height: 2.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.action-btn.user-btn .icon {
  width: 1.15rem;
  height: 1.15rem;
}

.action-btn:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
}

.action-btn.active {
  background: var(--accent-subtle);
  border-color: var(--accent);
  color: var(--accent);
}

/* ==========================================================================
   Custom Dropdown System & Settings
   ========================================================================== */

.custom-dropdown {
  position: relative;
  display: inline-flex;
}

.dropdown-trigger {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  height: 2rem;
  padding: 0 var(--space-3);
  background: var(--bg-secondary);
  border: 0.0625rem solid var(--border);
  color: var(--text-primary);
  border-radius: var(--radius-md);
  font-size: var(--text-xs);
  font-weight: 600;
  cursor: pointer;
  transition: var(--duration-fast);
}

.dropdown-trigger:hover,
.custom-dropdown.active .dropdown-trigger {
  background: var(--bg-card-hover);
  border-color: var(--accent);
  color: var(--text-primary);
}

.chevron-icon {
  width: 0.75rem;
  height: 0.75rem;
  color: var(--text-muted);
  transition: transform var(--duration-fast);
}

.custom-dropdown.active .chevron-icon {
  transform: rotate(180deg);
}

.dropdown-menu {
  position: absolute;
  top: calc(100% + 0.4rem);
  inset-inline-end: 0;
  background: var(--bg-card);
  border: 0.0625rem solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: 0 0.75rem 2rem rgba(0, 0, 0, 0.45);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-0.25rem);
  transition: opacity var(--duration-fast), transform var(--duration-fast);
  z-index: 1500;
  max-height: min(18rem, calc(100dvh - 10rem));
  overflow-y: auto !important;
  overflow-x: hidden;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
}

/* Dropup support when opened near screen bottom */
.custom-dropdown.dropup .dropdown-menu {
  top: auto;
  bottom: calc(100% + 0.35rem);
  transform: translateY(0.25rem);
}

.custom-dropdown.active .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.custom-dropdown.dropup.active .dropdown-menu {
  transform: translateY(0);
}

/* Custom Sleek Scrollbars for Dropdown Lists */
.dropdown-menu::-webkit-scrollbar,
.dropdown-menu-currencies::-webkit-scrollbar,
.dropdown-menu-sort::-webkit-scrollbar {
  display: block !important;
  width: 0.35rem;
}

.dropdown-menu::-webkit-scrollbar-track,
.dropdown-menu-currencies::-webkit-scrollbar-track,
.dropdown-menu-sort::-webkit-scrollbar-track {
  background: transparent;
}

.dropdown-menu::-webkit-scrollbar-thumb,
.dropdown-menu-currencies::-webkit-scrollbar-thumb,
.dropdown-menu-sort::-webkit-scrollbar-thumb {
  background: var(--border-hover);
  border-radius: var(--radius-full);
}

.dropdown-menu-currencies {
  padding: var(--space-2);
  min-width: 14.5rem;
  overflow-y: auto !important;
  overflow-x: hidden;
  overscroll-behavior: contain;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.currency-opt {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  border: none;
  background: transparent;
  color: var(--text-primary);
  cursor: pointer;
  text-align: start;
  width: 100%;
  transition: background var(--duration-fast);
  font-size: var(--text-xs);
}

.currency-opt:hover {
  background: var(--bg-secondary);
}

.currency-opt.active {
  background: var(--accent-subtle);
  color: var(--accent);
  font-weight: 600;
}

.currency-opt-flag {
  font-size: 1rem;
  line-height: 1;
}

.currency-opt-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.currency-opt-code {
  font-weight: 700;
  font-family: var(--font-mono);
}

.currency-opt-name {
  font-size: 0.68rem;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.currency-opt-symbol {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-secondary);
}

/* Asset Vector Icon */
.asset-icon {
  width: 2.2rem;
  height: 2.2rem;
  border-radius: var(--radius-full);
  flex-shrink: 0;
  object-fit: contain;
  display: block;
}

.currency-opt-icon {
  width: 1.35rem;
  height: 1.35rem;
  border-radius: var(--radius-full);
  flex-shrink: 0;
  object-fit: contain;
  display: block;
}

/* Sort Dropdown Menu */
.dropdown-menu-sort {
  padding: var(--space-2);
  min-width: 13.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.sort-opt {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  border: none;
  background: transparent;
  color: var(--text-primary);
  cursor: pointer;
  text-align: start;
  width: 100%;
  transition: background var(--duration-fast);
  font-size: var(--text-xs);
  font-weight: 500;
}

.sort-opt:hover {
  background: var(--bg-secondary);
}

.sort-opt.active {
  background: var(--accent-subtle);
  color: var(--accent);
  font-weight: 600;
}

.dropdown-divider {
  height: 0.0625rem;
  background: var(--border);
  margin: var(--space-1) 0;
}

.sort-toggle-opt {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  border: none;
  background: transparent;
  color: var(--text-primary);
  cursor: pointer;
  width: 100%;
  transition: background var(--duration-fast), color var(--duration-fast);
  font-size: var(--text-xs);
  font-weight: 500;
}

.sort-toggle-opt:hover {
  background: var(--bg-secondary);
}

.sort-toggle-opt.active {
  background: var(--accent-subtle);
  color: var(--accent);
  font-weight: 600;
}

.sort-toggle-label {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.sort-toggle-label .icon {
  width: 1rem;
  height: 1rem;
}

.toggle-pill {
  font-size: 0.65rem;
  font-weight: 700;
  font-family: var(--font-mono);
  padding: 0.12rem 0.4rem;
  border-radius: var(--radius-sm);
  background: var(--bg-primary);
  border: 0.0625rem solid var(--border);
  color: var(--text-muted);
  transition: all var(--duration-fast);
  line-height: 1.2;
}

.sort-toggle-opt.active .toggle-pill {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

/* Settings Menu */
.dropdown-menu-settings {
  padding: var(--space-4);
  min-width: 13.5rem;
  display: flex;
  flex-direction: column;
}

.picker-label {
  font-size: var(--text-xs);
  color: var(--text-secondary);
  margin-bottom: var(--space-2);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.theme-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-2);
}

.theme-btn {
  padding: var(--space-2);
  border-radius: var(--radius-md);
  border: 0.0625rem solid var(--border);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-secondary);
  color: var(--text-primary);
  transition: var(--duration-fast);
}

.theme-btn:hover,
.theme-btn.active {
  border-color: var(--accent);
  background: var(--accent-subtle);
  color: var(--accent);
}

.theme-btn .icon {
  width: 1.1rem;
  height: 1.1rem;
}

.lang-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-2);
}

.lang-btn {
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  border: 0.0625rem solid var(--border);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  background: var(--bg-secondary);
  color: var(--text-primary);
  font-size: var(--text-xs);
  font-weight: 600;
  transition: var(--duration-fast);
}

.lang-btn:hover,
.lang-btn.active {
  border-color: var(--accent);
  background: var(--accent-subtle);
  color: var(--accent);
}

.lang-btn .flag-icon {
  width: 1.15rem;
  height: 1.15rem;
  border-radius: 0.1875rem;
  flex-shrink: 0;
  box-shadow: 0 0 0 0.0625rem rgba(255, 255, 255, 0.1);
}

.dropdown-divider {
  border: none;
  border-top: 0.0625rem solid var(--border);
  margin: var(--space-3) 0;
}

/* ==========================================================================
   Content Layout & Responsive Toolbar
   ========================================================================== */

.content {
  flex: 1;
  max-width: 76rem;
  margin: 0 auto;
  padding: var(--space-8) var(--space-6) var(--space-10);
  width: 100%;
}

.view-pane {
  display: none;
}

.view-pane.active {
  display: block;
  animation: fadeIn 0.2s ease-in-out;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(0.25rem); }
  to { opacity: 1; transform: translateY(0); }
}

.toolbar {
  margin-bottom: var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.section-title {
  font-size: var(--text-lg);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.toolbar-right {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.view-toggle {
  display: inline-flex;
  background: var(--bg-secondary);
  border: 0.0625rem solid var(--border);
  border-radius: var(--radius-md);
  padding: 0.15rem;
  gap: 0.15rem;
}

.view-toggle-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  padding: 0.3rem 0.5rem;
  border-radius: var(--radius-xs);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--duration-fast);
}

.view-toggle-btn.view-toggle-btn-text {
  padding: 0.25rem 0.65rem;
  font-size: var(--text-xs);
  font-weight: 600;
}

.view-toggle-btn:hover {
  color: var(--text-primary);
}

.view-toggle-btn.active {
  background: var(--bg-card);
  color: var(--accent);
  box-shadow: var(--shadow-sm);
}

/* ==========================================================================
   Responsive Asset Cards Grid (3 / 2 / 1 Columns)
   ========================================================================== */

.rates-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}

@media (max-width: 68rem) {
  .rates-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 44rem) {
  .rates-grid {
    grid-template-columns: 1fr;
  }
}

.asset-card {
  background: var(--bg-card);
  border: 0.0625rem solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: var(--space-4);
  transition: border-color var(--duration-fast), transform var(--duration-fast), background var(--duration-fast);
}

.asset-card:hover {
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
  transform: translateY(-0.0625rem);
}

.asset-card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-3);
}

.asset-card-brand {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
}

.asset-flag {
  font-size: 1.25rem;
  line-height: 1;
}

.asset-info {
  display: flex;
  flex-direction: column;
}

.asset-code-row {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.asset-code {
  font-weight: 700;
  color: var(--text-primary);
}

/* 24-Hour Price Change & Percentage Badges */
.change-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.15rem;
  padding: 0.1rem 0.4rem;
  border-radius: var(--radius-full);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: 0.01em;
  direction: ltr;
  unicode-bidi: isolate;
  box-shadow: 0 0.0625rem 0.125rem rgba(0, 0, 0, 0.1);
}

.change-badge.up {
  background: rgba(16, 185, 129, 0.14);
  color: #10b981;
  border: 0.0625rem solid rgba(16, 185, 129, 0.3);
}

.change-badge.down {
  background: rgba(239, 68, 68, 0.14);
  color: #ef4444;
  border: 0.0625rem solid rgba(239, 68, 68, 0.3);
}

.change-badge.neutral {
  background: var(--bg-secondary);
  color: var(--text-muted);
  border: 0.0625rem solid var(--border);
}

.change-badge .arrow {
  font-size: 0.6rem;
  line-height: 1;
}

.asset-name {
  font-size: var(--text-xs);
  color: var(--text-muted);
}

.asset-issuer-sub {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-top: 0.15rem;
}

.issuer-icon {
  width: 0.75rem;
  height: 0.75rem;
  flex-shrink: 0;
  color: var(--accent);
}

/* Mini Sparkline Trend Chart */
.asset-sparkline-box {
  width: 4.6rem;
  height: 1.6rem;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  opacity: 0.9;
  transition: opacity var(--duration-fast), transform var(--duration-fast);
}

.asset-card:hover .asset-sparkline-box {
  opacity: 1;
  transform: scale(1.04);
}

.sparkline-svg {
  width: 100%;
  height: 100%;
  overflow: visible;
}

.sparkline-line {
  transition: stroke 0.3s ease;
}

.sparkline-dot {
  filter: drop-shadow(0 0 3px currentColor);
}

.asset-card-pricing {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
  padding-top: var(--space-3);
  border-top: 0.0625rem solid var(--border);
}

.price-box {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.price-label {
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

.price-val {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--text-primary);
}

.price-val.secondary {
  color: var(--text-secondary);
  font-weight: 500;
}

/* ==========================================================================
   Data Tables
   ========================================================================== */

.table-wrap {
  background: var(--bg-card);
  border: 0.0625rem solid var(--border);
  border-radius: var(--radius-xl);
  overflow-x: auto;
  box-shadow: var(--shadow-sm);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: start;
}

.data-table th,
.data-table td {
  padding: var(--space-4) var(--space-5);
  border-bottom: 0.0625rem solid var(--border);
  font-size: var(--text-sm);
}

.data-table th {
  background: var(--bg-secondary);
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: var(--text-xs);
  white-space: nowrap;
}

.data-table tbody tr:last-child td {
  border-bottom: none;
}

.data-table tbody tr:hover td {
  background: var(--bg-card-hover);
}

.tag-badge {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--text-muted);
  background: var(--bg-secondary);
  border: 0.0625rem solid var(--border-subtle);
  padding: 0.15rem 0.45rem;
  border-radius: var(--radius-xs);
  font-family: var(--font-mono);
}

.spread-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.15rem 0.45rem;
  border-radius: var(--radius-xs);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 600;
  background: var(--accent-subtle);
  color: var(--accent-text);
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: var(--text-xs);
  font-weight: 600;
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-full);
}

.status-badge.ok {
  background: var(--success-subtle);
  color: var(--success);
}

.status-badge.warning {
  background: var(--warning-subtle);
  color: var(--warning);
}

.status-badge.error {
  background: var(--danger-subtle);
  color: var(--danger);
}

.status-badge.pending {
  background: var(--warning-subtle);
  color: var(--warning);
}

.status-dot {
  width: 0.4rem;
  height: 0.4rem;
  border-radius: 50%;
  background: currentColor;
}

/* ==========================================================================
   Spotlight Calculator (Free-Text Natural Language Converter)
   ========================================================================== */

.calc-spotlight-container {
  max-width: 54rem;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.spotlight-bar-wrapper {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.spotlight-bar {
  position: relative;
  display: flex;
  align-items: center;
  background: var(--bg-card);
  border: 0.0625rem solid var(--border);
  border-radius: var(--radius-xl);
  padding: 0 var(--space-5);
  box-shadow: 0 0.5rem 2rem rgba(0, 0, 0, 0.25);
  transition: border-color var(--duration-fast), box-shadow var(--duration-fast);
}

.spotlight-bar:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0.5rem 2.5rem rgba(6, 182, 212, 0.15);
}

.spotlight-search-icon {
  width: 1.35rem;
  height: 1.35rem;
  color: var(--text-muted);
  flex-shrink: 0;
  margin-inline-end: var(--space-3);
}

.spotlight-bar input {
  flex: 1;
  min-width: 0;
  background: transparent;
  border: none;
  padding: var(--space-5) 0;
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--text-primary);
  font-family: var(--font-sans);
}

html[lang="fa"] .spotlight-bar input {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Tahoma, Arial, sans-serif;
}

.spotlight-bar input:focus {
  outline: none;
}

.spotlight-clear-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: var(--space-2);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  transition: color var(--duration-fast), background var(--duration-fast);
}

.spotlight-clear-btn:hover {
  color: var(--text-primary);
  background: var(--bg-secondary);
}

.spotlight-chips {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  overflow-x: auto;
  padding-bottom: 0.2rem;
  scrollbar-width: none;
}

.spotlight-chips::-webkit-scrollbar {
  display: none;
}

.chip-btn {
  background: var(--bg-secondary);
  border: 0.0625rem solid var(--border);
  color: var(--text-secondary);
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  transition: background var(--duration-fast), border-color var(--duration-fast), color var(--duration-fast);
}

.chip-btn:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
  color: var(--text-primary);
}

.calc-direct-hero {
  background: linear-gradient(135deg, var(--accent-subtle), var(--bg-card));
  border: 0.0625rem solid var(--accent);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: 0 0.5rem 1.5rem rgba(0, 0, 0, 0.2);
}

.calc-direct-hero-val {
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--accent);
  font-family: var(--font-mono);
}

.calc-results-block {
  background: var(--bg-card);
  border: 0.0625rem solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.calc-results-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: var(--space-3);
  border-bottom: 0.0625rem solid var(--border);
}

.calc-parsed-summary {
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

.calc-parsed-summary strong {
  color: var(--text-primary);
}

.calc-results-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(16rem, 1fr));
  gap: var(--space-3);
}

.calc-item-card {
  background: var(--bg-secondary);
  border: 0.0625rem solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  transition: border-color var(--duration-fast), background var(--duration-fast);
}

.calc-item-card:hover {
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
}

.calc-item-card.is-favorite {
  border-inline-start: 0.2rem solid var(--accent);
}

.calc-item-left {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  min-width: 0;
}

.calc-item-info {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.calc-item-code {
  font-weight: 700;
  font-size: var(--text-sm);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.calc-item-name {
  font-size: 0.68rem;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.calc-item-right {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-align: end;
  flex-shrink: 0;
}

.calc-item-val {
  font-size: var(--text-md);
  font-weight: 700;
  color: var(--text-primary);
  font-family: var(--font-mono);
}

.pin-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: var(--space-1);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-xs);
  transition: color var(--duration-fast), transform var(--duration-fast);
}

.pin-btn:hover {
  color: var(--accent);
  transform: scale(1.15);
}

.pin-btn.active {
  color: var(--accent);
}

.pin-btn .icon {
  width: 1rem;
  height: 1rem;
}

/* ==========================================================================
   Providers Page: Table Summary Row
   ========================================================================== */

.table-summary-row td {
  background: var(--bg-card);
  border-top: 0.125rem solid var(--border);
  font-weight: 700;
  color: var(--text-primary);
  padding: var(--space-4) var(--space-4);
}

/* ==========================================================================
   API Docs & Field Manual (Single-Page Layout Matching bgp.mehrnet.com/#api)
   ========================================================================== */

#pane-api {
  direction: ltr !important;
  text-align: left !important;
  max-width: 68rem;
  margin: 0 auto;
}

#pane-api * {
  direction: ltr !important;
  text-align: left !important;
}

.api-header {
  margin-bottom: var(--space-6);
}

.api-header .kicker {
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-bottom: var(--space-2);
}

.api-header h1 {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  line-height: 1.2;
  margin-bottom: var(--space-2);
}

.api-header p {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 46rem;
}

/* Base URL Overview Box */
.api-overview {
  background: var(--bg-card);
  border: 0.0625rem solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--space-4) var(--space-5);
  margin-bottom: var(--space-8);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
  box-shadow: var(--shadow-sm);
}

.api-overview-line {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.api-overview code {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-subtle);
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-md);
  border: 0.0625rem solid var(--border-hover);
}

.openapi-badge-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-md);
  background: rgba(6, 182, 212, 0.08);
  border: 0.0625rem solid rgba(6, 182, 212, 0.25);
  color: var(--accent);
  text-decoration: none;
  font-size: var(--text-xs);
  font-weight: 600;
  transition: var(--duration-fast);
}

.openapi-badge-link:hover {
  background: rgba(6, 182, 212, 0.16);
  border-color: var(--accent);
  color: #ffffff;
  transform: translateY(-1px);
}

.openapi-badge-link svg {
  width: 0.95rem;
  height: 0.95rem;
}

.openapi-badge-link .badge-format {
  font-size: 0.65rem;
  padding: 0.1rem 0.35rem;
  border-radius: var(--radius-xs);
  background: var(--accent);
  color: #ffffff;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.openapi-badge-link .external-arrow {
  width: 0.8rem;
  height: 0.8rem;
  opacity: 0.7;
}

/* Section Headings */
.api-section {
  margin-bottom: var(--space-10);
}

.api-section-heading {
  margin-bottom: var(--space-4);
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-bottom: var(--space-1);
}

.section-label svg {
  width: 0.9rem;
  height: 0.9rem;
}

.api-section-heading h2 {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

/* Directory Jump Cards */
.api-endpoints {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(19rem, 1fr));
  gap: var(--space-3);
}

.api-endpoints a {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding: var(--space-3) var(--space-4);
  background: var(--bg-card);
  border: 0.0625rem solid var(--border);
  border-radius: var(--radius-lg);
  text-decoration: none;
  transition: border-color var(--duration-fast), transform var(--duration-fast);
}

.api-endpoints a:hover {
  border-color: var(--accent);
  background: var(--bg-card-hover);
  transform: translateY(-1px);
}

.api-endpoints a code {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-primary);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

.api-endpoints a span:not(.endpoint-method) {
  font-size: var(--text-xs);
  color: var(--text-secondary);
}

.endpoint-method {
  font-size: 0.65rem;
  font-weight: 700;
  padding: 0.15rem 0.4rem;
  border-radius: var(--radius-xs);
  background: var(--accent);
  color: #ffffff;
  display: inline-block;
  align-self: flex-start;
  margin-bottom: var(--space-1);
}

/* Multi-Language Bar */
.api-language-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
  padding: var(--space-3) var(--space-4);
  background: var(--bg-card);
  border: 0.0625rem solid var(--border);
  border-radius: var(--radius-lg);
  flex-wrap: wrap;
}

.api-language-bar > span {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--text-secondary);
}

.language-tabs {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.language-tab {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.3rem 0.75rem;
  background: transparent;
  border: 0.0625rem solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-size: var(--text-xs);
  font-weight: 500;
  cursor: pointer;
  transition: var(--duration-fast);
}

.language-tab svg {
  width: 1rem;
  height: 1rem;
}

.language-tab:hover {
  border-color: var(--border-hover);
  color: var(--text-primary);
}

.language-tab.active {
  background: var(--accent-subtle);
  border-color: var(--accent);
  color: var(--accent);
  font-weight: 600;
}

/* Endpoint Articles */
.api-examples {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

.api-example {
  background: var(--bg-card);
  border: 0.0625rem solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
  scroll-margin-top: 5rem;
}

.api-example-header {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}

.api-waypoint {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--radius-lg);
  background: var(--accent-subtle);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.api-waypoint svg {
  width: 1.25rem;
  height: 1.25rem;
}

.api-example-header h3 {
  font-size: var(--text-md);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.2rem;
}

.api-example-header p {
  font-size: var(--text-xs);
  color: var(--text-secondary);
}

.api-service-body {
  margin-bottom: var(--space-4);
}

.api-service-body p {
  font-size: var(--text-xs);
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-3);
}

.api-endpoint-line {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-4) !important;
}

.api-endpoint-line code {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--text-primary);
  background: var(--bg-elevated);
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius-sm);
}

/* Parameters Table */
.api-parameters {
  margin-top: var(--space-4);
  margin-bottom: var(--space-4);
}

.api-parameters h4 {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: var(--space-2);
}

.api-table-scroll {
  overflow-x: auto;
  border: 0.0625rem solid var(--border);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-3);
}

.api-table-scroll table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-xs);
}

.api-table-scroll th,
.api-table-scroll td {
  padding: var(--space-2) var(--space-3);
  text-align: left;
  border-bottom: 0.0625rem solid var(--border);
}

.api-table-scroll th {
  background: var(--bg-elevated);
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.7rem;
  text-transform: uppercase;
}

.api-table-scroll tr:last-child td {
  border-bottom: none;
}

.api-table-scroll td code {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent);
  background: var(--accent-subtle);
  padding: 0.1rem 0.3rem;
  border-radius: var(--radius-xs);
}

/* Code Request & Response Panels */
.api-operation {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: var(--space-4);
  margin-top: var(--space-4);
  min-width: 0;
}

@media (max-width: 58rem) {
  .api-operation {
    grid-template-columns: minmax(0, 1fr);
  }
}

.api-code-panel {
  background: #06090e;
  border: 0.0625rem solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-xl);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
  min-width: 0;
}

.api-code-panel[hidden],
[hidden] {
  display: none !important;
}

.api-code-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 0.0625rem solid rgba(255, 255, 255, 0.06);
}

.status-pill {
  font-size: 0.68rem;
  font-weight: 700;
  padding: 0.15rem 0.4rem;
  border-radius: var(--radius-xs);
  background: rgba(34, 197, 94, 0.18);
  color: #4ade80;
  margin-inline-end: auto;
}

.code-copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  background: transparent;
  border: 0.0625rem solid rgba(255, 255, 255, 0.12);
  color: #94a3b8;
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.68rem;
  font-weight: 500;
  transition: var(--duration-fast);
}

.code-copy-btn svg {
  width: 0.8rem;
  height: 0.8rem;
}

.code-copy-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.25);
}

.api-code {
  padding: var(--space-3) 0;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  line-height: 1.6;
  color: #e2e8f0;
  overflow-y: auto;
  overflow-x: hidden;
  scrollbar-width: thin;
  max-height: 24rem;
}

.api-code code {
  font-family: inherit;
  font-size: inherit;
  display: block;
  width: 100%;
}

.api-code .code-line {
  display: flex;
  align-items: flex-start;
  padding: 0 var(--space-3);
  width: 100%;
  box-sizing: border-box;
  transition: background var(--duration-fast);
}

.api-code .code-line:hover {
  background: rgba(255, 255, 255, 0.04);
}

.api-code .line-num {
  width: 2.2rem;
  flex-shrink: 0;
  text-align: right;
  padding-right: var(--space-3);
  color: rgba(255, 255, 255, 0.28);
  user-select: none;
  font-size: 0.72rem;
  font-family: inherit;
  line-height: inherit;
}

.api-code .line-code {
  flex: 1;
  min-width: 0;
  white-space: pre-wrap;
  word-break: break-word;
  overflow-wrap: anywhere;
  color: #e2e8f0;
  font-family: inherit;
  line-height: inherit;
}

/* Syntax Highlighting Tokens */
.token.command { color: #38bdf8; font-weight: 700; }
.token.flag { color: #fdba74; }
.token.string { color: #86efac; }
.token.keyword { color: #f472b6; font-weight: 600; }
.token.function { color: #60a5fa; }
.token.variable { color: #c084fc; }
.token.boolean { color: #fb923c; font-weight: 600; }
.token.punctuation { color: #94a3b8; }
.json-key { color: #38bdf8; font-weight: 600; }
.json-string { color: #86efac; }
.json-number { color: #fdba74; }
.json-boolean { color: #c084fc; font-weight: 600; }

.copy-btn:hover {
  color: var(--text-primary);
  border-color: var(--border-hover);
  background: rgba(255, 255, 255, 0.05);
}

/* ==========================================================================
   Footer
   ========================================================================== */

.footer {
  border-top: 0.0625rem solid var(--border);
  background: var(--bg-secondary);
  padding: var(--space-6) 0;
  margin-top: auto;
}

.footer-copy {
  font-size: var(--text-xs);
  color: var(--text-muted);
}

/* ==========================================================================
   Toast Notification (Exact Radar Architecture: Top-Center, Progress, Close)
   ========================================================================== */

#toast-container {
  position: fixed;
  top: 1rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3000;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
  max-width: 24rem;
  width: calc(100% - 2rem);
  pointer-events: none;
}

.toast {
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  background: var(--bg-card);
  border: 0.0625rem solid var(--border);
  border-inline-start: 0.2rem solid var(--accent);
  border-radius: var(--radius-lg);
  padding-block: var(--space-4);
  padding-inline: var(--space-5) var(--space-3);
  box-shadow: 0 0.5rem 1.5rem rgba(0, 0, 0, 0.4);
  font-size: var(--text-sm);
  font-weight: 500;
  animation: toastIn 0.25s var(--ease-out);
  width: 100%;
  pointer-events: auto;
}

.toast.error {
  border-inline-start-color: var(--danger);
}

.toast.success {
  border-inline-start-color: var(--success);
}

.toast-message {
  flex: 1;
  color: var(--text-primary);
  line-height: 1.3;
}

.toast-close {
  flex-shrink: 0;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-1);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-xs);
  transition: color var(--duration-fast);
}

.toast-close:hover {
  color: var(--text-primary);
}

.toast-close .icon {
  width: 0.85rem;
  height: 0.85rem;
}

.toast-progress {
  position: absolute;
  bottom: 0;
  inset-inline-start: 0;
  height: 0.15rem;
  background: var(--accent);
  animation: toastProgress linear forwards;
}

.toast.error .toast-progress {
  background: var(--danger);
}

.toast.success .toast-progress {
  background: var(--success);
}

@keyframes toastIn {
  from { opacity: 0; transform: translateY(-0.6rem); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes toastProgress {
  from { width: 100%; }
  to { width: 0%; }
}

/* Skeleton Loading */
.skeleton-cell {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.skeleton-bar {
  height: 0.95rem;
  border-radius: var(--radius-xs);
  background: linear-gradient(
    90deg,
    var(--bg-secondary) 25%,
    var(--bg-card-hover) 50%,
    var(--bg-secondary) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite linear;
}

@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ==========================================================================
   Mobile Bottom Navigation & Viewport Responsiveness
   ========================================================================== */

.bottom-nav {
  display: none;
  flex-shrink: 0;
  z-index: 1000;
  background: var(--bg-primary);
  border-top: 0.0625rem solid var(--border);
  padding: var(--space-2) var(--space-1) calc(var(--space-2) + env(safe-area-inset-bottom, 0rem));
}

.bottom-nav a {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-2) var(--space-1);
  border-radius: var(--radius-lg);
  text-decoration: none;
  color: var(--text-secondary);
  font-size: var(--text-xs);
  font-weight: 500;
  transition: background var(--duration-fast), color var(--duration-fast);
}

.bottom-nav a .icon {
  width: 1.25rem;
  height: 1.25rem;
}

.bottom-nav a:hover,
.bottom-nav a.active {
  color: var(--accent);
}

.bottom-nav a.active {
  background: var(--accent-subtle);
  font-weight: 600;
}

@media (max-width: 52rem) {
  .nav-container {
    display: flex;
    justify-content: space-between;
  }
  .nav-center {
    display: none !important;
  }
  .bottom-nav {
    display: flex !important;
  }
  .content {
    padding: var(--space-5) var(--space-3) calc(var(--space-4) + env(safe-area-inset-bottom, 0rem)) !important;
  }
  .toolbar {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-2);
  }
  .toolbar .section-title {
    font-size: var(--text-md);
    white-space: nowrap;
  }
  .toolbar-right {
    gap: var(--space-2);
    flex-wrap: nowrap;
  }
}

/* ==========================================================================
   Interactive Asset Detail & Chart Modal
   ========================================================================== */

body.modal-open {
  overflow: hidden;
}

.asset-card {
  cursor: pointer;
}

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.72);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 2500;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: var(--space-4);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.22s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.22s ease;
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal {
  width: 100%;
  max-width: 28rem;
  max-height: 90vh;
  background: var(--bg-card);
  border: 0.0625rem solid var(--border);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-xl);
  overflow-y: auto;
  transform: scale(0.95) translateY(0.5rem);
  opacity: 0;
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.22s ease;
}

.modal-overlay.active .modal {
  transform: scale(1) translateY(0);
  opacity: 1;
}

.modal-wide {
  max-width: 52rem;
  padding: var(--space-6);
}

.modal-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-4);
  border-bottom: 0.0625rem solid var(--border);
}

.modal-header-brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.modal-asset-icon svg,
.modal-asset-icon .flag-icon {
  width: 2.2rem;
  height: 2.2rem;
  border-radius: var(--radius-md);
  flex-shrink: 0;
}

.modal-title-row {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.modal-title-row h2 {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
}

.modal-code-badge {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 700;
  padding: 0.1rem 0.4rem;
  background: var(--bg-secondary);
  border: 0.0625rem solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
}

.modal-sub-text {
  font-size: var(--text-xs);
  color: var(--text-muted);
  margin-top: 0.15rem;
}

.modal-close-btn {
  width: 2rem;
  height: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  border: 0.0625rem solid var(--border);
  background: var(--bg-secondary);
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--duration-fast);
}

.modal-close-btn:hover {
  background: var(--bg-card-hover);
  color: var(--text-primary);
  border-color: var(--border-hover);
  transform: scale(1.05);
}

.modal-close-btn svg {
  width: 1rem;
  height: 1rem;
}

.modal-toolbar-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
  flex-wrap: wrap;
}

.modal-spot-price-box {
  display: flex;
  flex-direction: column;
}

.modal-spot-price-label {
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
}

.modal-spot-price-val {
  font-size: var(--text-xl);
  font-weight: 800;
  color: var(--text-primary);
}

.modal-timeframe-picker {
  display: inline-flex;
  background: var(--bg-secondary);
  border: 0.0625rem solid var(--border);
  border-radius: var(--radius-lg);
  padding: 0.2rem;
  gap: 0.15rem;
}

.timeframe-btn {
  padding: var(--space-1) var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 600;
  border: none;
  background: transparent;
  color: var(--text-muted);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--duration-fast);
}

.timeframe-btn:hover {
  color: var(--text-primary);
}

.timeframe-btn.active {
  background: var(--accent);
  color: #fff;
  box-shadow: var(--shadow-sm);
}

/* Vector Chart Canvas */
.modal-chart-stage {
  position: relative;
  width: 100%;
  height: 17.5rem;
  background: var(--bg-secondary);
  border: 0.0625rem solid var(--border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  margin-bottom: var(--space-6);
  cursor: crosshair;
}

.modal-chart-svg {
  width: 100%;
  height: 100%;
  display: block;
}

.chart-loading-overlay {
  position: absolute;
  inset: 0;
  background: rgba(var(--bg-card-rgb, 20, 20, 25), 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s ease;
  z-index: 10;
}

.chart-loading-overlay.active {
  opacity: 1;
  visibility: visible;
}

.chart-spinner {
  width: 1.8rem;
  height: 1.8rem;
  border: 0.15rem solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

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

.chart-tooltip {
  position: absolute;
  pointer-events: none;
  background: var(--bg-card);
  border: 0.0625rem solid var(--border-hover);
  border-radius: var(--radius-md);
  padding: 0.35rem 0.65rem;
  box-shadow: 0 0.5rem 1.5rem rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 20;
  transition: transform 0.1s cubic-bezier(0.16, 1, 0.3, 1), left 0.06s linear, top 0.06s linear;
  white-space: nowrap;
}

.tooltip-date {
  font-size: 0.65rem;
  color: var(--text-muted);
  margin-bottom: 0.1rem;
}

.tooltip-price {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--text-primary);
}

/* Stats Summary Tiles */
.modal-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}

.modal-stat-tile {
  background: var(--bg-secondary);
  border: 0.0625rem solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-3) var(--space-4);
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.stat-label {
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
}

.stat-val {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--text-primary);
}

/* Export Actions Bar */
.modal-export-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding-top: var(--space-4);
  border-top: 0.0625rem solid var(--border);
  flex-wrap: wrap;
}

.export-label {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--text-muted);
}

.export-label .icon {
  width: 1rem;
  height: 1rem;
  color: var(--accent);
}

.export-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.export-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-md);
  border: 0.0625rem solid var(--border);
  background: var(--bg-secondary);
  color: var(--text-primary);
  font-size: var(--text-xs);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--duration-fast);
}

.export-btn:hover {
  background: var(--accent-subtle);
  border-color: var(--accent);
  color: var(--accent);
}

.export-btn.ghost {
  border-style: dashed;
}

.export-btn svg {
  width: 0.85rem;
  height: 0.85rem;
}

@media (max-width: 44rem) {
  .modal-wide {
    padding: var(--space-4);
  }
  .modal-stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .modal-chart-stage {
    height: 13.5rem;
  }
  .modal-toolbar-row {
    flex-direction: column;
    align-items: flex-start;
  }
}