/* ==========================================================================
   Binance-Style Design Tokens & Core Theme
   MRSIGNALLL Position Calculator & Crypto Exchange UI
   ========================================================================== */

:root {
  /* 1. Color System */
  --brand-primary: #F0B90B;        /* Primary accent - Binance yellow CTAs & active states */
  --brand-primary-alt: #FCD535;    /* Lighter yellow for hover states */
  --brand-primary-bg: rgba(240, 185, 11, 0.12);

  --bg-base: #0B0E11;              /* App background (dark theme, near-black) */
  --bg-surface: #1E2329;           /* Card / panel / table-row surface ("Shark") */
  --bg-surface-alt: #2B3139;       /* Elevated surface (modals, dropdowns, hover rows) */
  --bg-surface-hover: #262B33;     /* Subtle row hover */
  --bg-input: #13171B;             /* Input field surface */

  --border-subtle: #2B3139;        /* Hairline dividers between rows/panels */
  --border-strong: #474D57;        /* Form borders, active borders */
  --border-focus: #F0B90B;

  --text-primary: #FFFFFF;         /* Primary high-contrast text on dark surfaces */
  --text-primary-soft: #EAECEF;
  --text-secondary: #848E9C;       /* Secondary/muted labels, timestamps, helper text */
  --text-tertiary: #5E6673;        /* Faint labels / placeholders */

  --success: #0ECB81;              /* Gains, "buy" side, positive % change */
  --success-bg: rgba(14, 203, 129, 0.12);
  --success-border: rgba(14, 203, 129, 0.28);

  --danger: #F6465D;               /* Losses, "sell" side, negative % change */
  --danger-bg: rgba(246, 70, 93, 0.12);
  --danger-border: rgba(246, 70, 93, 0.28);

  --warning: #F0B90B;
  --warning-bg: rgba(240, 185, 11, 0.12);
  --warning-border: rgba(240, 185, 11, 0.3);

  --radius-xs: 4px;
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;

  /* Typography & Tabular Numerals */
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Inter", "Vazirmatn", "Tahoma", sans-serif;
  --font-mono: "SF Mono", "Roboto Mono", "Cascadia Code", "Consolas", monospace;

  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
}

/* Base Reset & Typography */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --card-shadow: 0 16px 32px -8px rgba(0, 0, 0, 0.5);
  --modal-shadow: 0 24px 60px rgba(0, 0, 0, 0.75);
}

/* ==========================================================================
   Binance-Style Light Theme System
   ========================================================================== */
:root[data-theme="light"],
html[data-theme="light"],
body[data-theme="light"],
[data-theme="light"] {
  --bg-base: #FAFAFA;              /* Light app background */
  --bg-surface: #FFFFFF;           /* Card / panel surface */
  --bg-surface-alt: #F0F2F5;       /* Elevated surface */
  --bg-surface-hover: #F5F7FA;     /* Hover row */
  --bg-input: #FFFFFF;             /* Input field */

  --border-subtle: #EAECEF;        /* Hairline dividers */
  --border-strong: #D0D5DD;        /* Form borders */
  --border-focus: #F0B90B;

  --text-primary: #181A20;         /* Primary crisp text */
  --text-primary-soft: #2B313A;
  --text-secondary: #707A8A;       /* Secondary labels */
  --text-tertiary: #929AA5;

  --brand-primary: #F0B90B;
  --brand-primary-alt: #D89800;
  --brand-primary-bg: rgba(240, 185, 11, 0.14);

  --success: #03A66D;
  --success-bg: rgba(3, 166, 109, 0.1);
  --success-border: rgba(3, 166, 109, 0.28);

  --danger: #CF304A;
  --danger-bg: rgba(207, 48, 74, 0.1);
  --danger-border: rgba(207, 48, 74, 0.28);

  --warning: #D9822B;
  --warning-bg: rgba(217, 130, 43, 0.1);
  --warning-border: rgba(217, 130, 43, 0.3);

  --card-shadow: 0 8px 24px -4px rgba(0, 0, 0, 0.08);
  --modal-shadow: 0 20px 48px rgba(0, 0, 0, 0.16);
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
  background-color: var(--bg-base);
  color: var(--text-primary-soft);
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background-color 0.25s cubic-bezier(0.4, 0, 0.2, 1), color 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

html[lang="fa"] {
  direction: rtl;
  font-family: "Vazirmatn", Tahoma, var(--font-sans);
  line-height: 1.8;
}

html[lang="en"] {
  direction: ltr;
  font-family: var(--font-sans);
  line-height: 1.55;
}

body {
  background-color: var(--bg-base);
  color: var(--text-primary-soft);
  min-height: 100vh;
  overflow-x: hidden;
  transition: background-color 0.25s cubic-bezier(0.4, 0, 0.2, 1), color 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Tabular Numerals Requirement: digits never jitter */
.tabular,
[data-result],
.price-value,
.stat-value,
.code-val,
.trade-lines,
.multitp-col span,
input[type="number"],
input[inputmode="decimal"],
input[inputmode="numeric"] {
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum";
  font-family: var(--font-mono);
}

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

button, input, select, textarea {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
  outline: none;
}

button {
  cursor: pointer;
  user-select: none;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--brand-primary);
  outline-offset: 2px;
}

/* ==========================================================================
   Binance Button System
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  border: 1px solid transparent;
  transition: background var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
  white-space: nowrap;
}

.btn:active {
  transform: translateY(1px);
}

/* Primary Button: Solid Yellow Fill, Dark Text for maximum contrast */
.btn-primary,
.btn.primary {
  background-color: var(--brand-primary);
  color: #1E2329 !important; /* Dark text for contrast */
  font-weight: 700;
}

.btn-primary:hover,
.btn.primary:hover {
  background-color: var(--brand-primary-alt);
  color: #13171B !important;
}

/* Secondary / Dark Button */
.btn-secondary,
.btn.dark {
  background-color: var(--bg-surface-alt);
  color: var(--text-primary);
  border: 1px solid var(--border-strong);
}

.btn-secondary:hover,
.btn.dark:hover {
  background-color: #363D47;
  border-color: #5E6673;
}

/* Outline Ghost */
.btn-outline,
.btn:not(.primary):not(.dark):not(.buy):not(.sell) {
  background-color: var(--bg-surface);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
}

.btn-outline:hover,
.btn:not(.primary):not(.dark):not(.buy):not(.sell):hover {
  background-color: var(--bg-surface-alt);
  border-color: var(--border-strong);
}

/* Small Button */
.btn.small {
  padding: 6px 12px;
  font-size: 12px;
  border-radius: var(--radius-xs);
}

/* Buy Button (Long) - Binance Green */
.btn-buy,
.segmented button.buy[aria-pressed="true"],
.segmented button#long[aria-pressed="true"] {
  background-color: var(--success) !important;
  color: #FFFFFF !important;
  font-weight: 700;
  border-color: var(--success) !important;
  box-shadow: 0 2px 10px rgba(14, 203, 129, 0.28);
}

/* Sell Button (Short) - Binance Red */
.btn-sell,
.segmented button.sell[aria-pressed="true"],
.segmented button#short[aria-pressed="true"] {
  background-color: var(--danger) !important;
  color: #FFFFFF !important;
  font-weight: 700;
  border-color: var(--danger) !important;
  box-shadow: 0 2px 10px rgba(246, 70, 93, 0.28);
}

/* ==========================================================================
   Binance Semantic Color Tags, Chips & Badges
   ========================================================================== */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: var(--radius-xs);
  background: var(--bg-surface-alt);
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
}

.tag-yellow {
  background: var(--brand-primary-bg);
  color: var(--brand-primary);
  border-color: rgba(240, 185, 11, 0.28);
}

.tag-green, .tag-success {
  background: var(--success-bg);
  color: var(--success);
  border-color: var(--success-border);
}

.tag-red, .tag-danger {
  background: var(--danger-bg);
  color: var(--danger);
  border-color: var(--danger-border);
}

/* Semantic Gains / Loss with mandatory ▲ / ▼ glyphs */
.good, .val-gain {
  color: var(--success) !important;
}

.bad, .val-loss {
  color: var(--danger) !important;
}

/* Price Flash Animation for Binance Ticker Tick */
.price-flash-up {
  animation: flashGreen 0.7s ease-out;
}

.price-flash-down {
  animation: flashRed 0.7s ease-out;
}

@keyframes flashGreen {
  0% { background-color: rgba(14, 203, 129, 0.4); }
  100% { background-color: transparent; }
}

@keyframes flashRed {
  0% { background-color: rgba(246, 70, 93, 0.4); }
  100% { background-color: transparent; }
}

/* Skeleton Loading State (no bouncy spinners) */
.skeleton {
  background: linear-gradient(90deg, #1E2329 25%, #2B3139 50%, #1E2329 75%);
  background-size: 200% 100%;
  animation: skeletonShimmer 1.5s infinite;
  border-radius: var(--radius-xs);
}

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

/* ==========================================================================
   Frontend Polish & Micro-Animations (taste-skill & frontend-design)
   ========================================================================== */

/* Shimmer Sheen on High-Value Primary CTA Buttons */
.btn.primary {
  position: relative;
  overflow: hidden;
  transition: background-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
}

.btn.primary::after {
  content: "";
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(60deg, transparent 30%, rgba(255, 255, 255, 0.32) 50%, transparent 70%);
  transform: translateX(-120%) rotate(25deg);
  transition: transform 0.65s cubic-bezier(0.16, 1, 0.3, 1);
  pointer-events: none;
}

.btn.primary:hover::after {
  transform: translateX(120%) rotate(25deg);
}

.btn.primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(240, 185, 11, 0.35);
}

.btn.dark:hover {
  transform: translateY(-1px);
}

/* Fluid Hover Lifts on Interactive Cards */
.feature, .step, .metric, .terminal, .wallex-card, .community, .bitunix-card {
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.25s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.2s ease, background-color 0.25s ease;
}

.feature:hover, .step:hover {
  transform: translateY(-3px);
  box-shadow: var(--card-shadow);
}

/* Pulse Animation for Live Ticker and Badges */
.pulse-live {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 8px var(--success);
  animation: pulseLiveAnim 1.8s infinite;
}

@keyframes pulseLiveAnim {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(1.3); }
}

/* Result Calculation Flash Pulse */
.result-calc-pulse {
  animation: resultPulseAnim 0.45s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes resultPulseAnim {
  0% { transform: scale(0.98); opacity: 0.85; }
  50% { transform: scale(1.02); opacity: 1; }
  100% { transform: scale(1); opacity: 1; }
}

/* ==========================================================================
   Theme Toggle Button (Sun / Moon)
   ========================================================================== */
.btn-theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
  user-select: none;
}

.btn-theme-toggle:hover {
  background: var(--bg-surface-alt);
  border-color: var(--border-strong);
  color: var(--brand-primary);
  transform: translateY(-1px);
}

.btn-theme-toggle:active {
  transform: translateY(1px) scale(0.95);
}

.theme-icon {
  transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1), opacity 0.25s ease;
}

/* Dark mode (default): show Sun (click to turn light), hide Moon */
:root:not([data-theme="light"]) .theme-icon-sun {
  display: block;
  transform: rotate(0deg) scale(1);
  opacity: 1;
}

:root:not([data-theme="light"]) .theme-icon-moon {
  display: none;
  transform: rotate(-90deg) scale(0.4);
  opacity: 0;
}

/* Light mode: show Moon (click to turn dark), hide Sun */
html[data-theme="light"] .theme-icon-sun {
  display: none;
  transform: rotate(90deg) scale(0.4);
  opacity: 0;
}

html[data-theme="light"] .theme-icon-moon {
  display: block;
  transform: rotate(0deg) scale(1);
  opacity: 1;
  color: #181A20;
}

/* ==========================================================================
   Binance Light Theme Comprehensive Overrides
   ========================================================================== */
html[data-theme="light"] .nav {
  background-color: rgba(255, 255, 255, 0.94);
  border-bottom-color: var(--border-subtle);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.04);
}

html[data-theme="light"] .market-strip {
  background-color: #F0F2F5;
  border-bottom-color: var(--border-subtle);
}

html[data-theme="light"] .ticker-item:hover {
  background-color: #E4E7EB;
}

html[data-theme="light"] .calculator,
html[data-theme="light"] .wallex-card,
html[data-theme="light"] .community,
html[data-theme="light"] .step,
html[data-theme="light"] .feature,
html[data-theme="light"] .terminal {
  background-color: var(--bg-surface);
  border-color: var(--border-subtle);
  box-shadow: var(--card-shadow);
}

html[data-theme="light"] .result {
  background-color: #F8F9FA;
  border-inline-start-color: var(--border-subtle);
}

html[data-theme="light"] .segmented {
  background-color: #EDF0F3;
  border-color: var(--border-subtle);
}

html[data-theme="light"] .segmented button:hover {
  background-color: rgba(0, 0, 0, 0.05);
}

html[data-theme="light"] .chips button,
html[data-theme="light"] .quick button,
html[data-theme="light"] .result-main,
html[data-theme="light"] .metric,
html[data-theme="light"] .status,
html[data-theme="light"] .multitp-col {
  background-color: #F8F9FA;
  border-color: var(--border-subtle);
}

html[data-theme="light"] .field input,
html[data-theme="light"] .field select {
  background-color: #FFFFFF;
  border-color: var(--border-strong);
  color: var(--text-primary);
}

html[data-theme="light"] .field input:focus,
html[data-theme="light"] .field select:focus {
  background-color: #FFFFFF;
  border-color: var(--brand-primary);
  box-shadow: 0 0 0 2px rgba(240, 185, 11, 0.2);
}

html[data-theme="light"] .formula {
  background: #F4F6F8;
  border-color: var(--border-subtle);
  color: #B26A00;
}

html[data-theme="light"] .toast {
  background: #FFFFFF;
  color: #181A20;
  border-color: var(--brand-primary);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
}

html[data-theme="light"] .modal-overlay {
  background: rgba(0, 0, 0, 0.55);
}

html[data-theme="light"] .modal-card {
  background: #FFFFFF;
  border-color: var(--border-subtle);
  box-shadow: var(--modal-shadow);
}

html[data-theme="light"] .auth-tabs {
  background: #F0F2F5;
  border-color: var(--border-subtle);
}

html[data-theme="light"] .auth-input {
  background: #FFFFFF;
  border-color: var(--border-strong);
  color: var(--text-primary);
}

html[data-theme="light"] .telegram-auth-box,
html[data-theme="light"] .wallet-auth-box {
  background: #F8F9FA;
  border-color: var(--border-subtle);
}

html[data-theme="light"] .user-dropdown {
  background: #FFFFFF;
  border-color: var(--border-subtle);
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.14);
}

html[data-theme="light"] .dropdown-header {
  background: #F8F9FA;
}

html[data-theme="light"] .lang-dropdown-menu {
  background: #FFFFFF;
  border-color: var(--border-subtle);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.14);
}

html[data-theme="light"] .net-btn {
  background: #F8F9FA;
  border-color: var(--border-subtle);
}

html[data-theme="light"] .deposit-box,
html[data-theme="light"] .sub-stat {
  background: #F8F9FA;
  border-color: var(--border-subtle);
}

html[data-theme="light"] .dep-row {
  background: #FFFFFF;
  border-color: var(--border-subtle);
}

html[data-theme="light"] .aside-tab-bar {
  background: #EDF0F3;
  border-color: var(--border-subtle);
}

html[data-theme="light"] .aside-tab-btn.active {
  background: #FFFFFF;
  color: #B26A00;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

html[data-theme="light"] .bitunix-card {
  background: linear-gradient(180deg, #FFFFFF 0%, #F5F7FA 100%);
  box-shadow: var(--card-shadow);
}

html[data-theme="light"] .bitunix-logos {
  background: #F0F2F5;
  border-color: var(--border-subtle);
}

html[data-theme="light"] .voucher-card {
  background: #F8F9FA;
  border-color: var(--border-subtle);
}

html[data-theme="light"] .bitunix-code-box {
  background: #F0FAF5;
  border-color: #03A66D;
}

html[data-theme="light"] .bitunix-code-box .code-val {
  color: #03A66D;
}

html[data-theme="light"] .bitunix-details-trigger,
html[data-theme="light"] .bitunix-details-content {
  background: #F8F9FA;
  border-color: var(--border-subtle);
}

html[data-theme="light"] .poster-modal-card {
  background: #FFFFFF;
}

html[data-theme="light"] .mobile-buy {
  background: rgba(255, 255, 255, 0.95);
  border-top-color: var(--border-subtle);
}

html[data-theme="light"] .footer {
  background: #F0F2F5;
  border-top-color: var(--border-subtle);
}

html[data-theme="light"] .admin-table th {
  background: #F8F9FA;
  color: var(--text-secondary);
  border-bottom-color: var(--border-subtle);
}

html[data-theme="light"] .admin-table td {
  border-bottom-color: var(--border-subtle);
}

html[data-theme="light"] .skeleton {
  background: linear-gradient(90deg, #F0F2F5 25%, #E4E7EB 50%, #F0F2F5 75%);
  background-size: 200% 100%;
}