/* =============================================
   PW Gems Calculator - Global Styles
   Clean, modern dark theme – inspired by pwgem.com
   ============================================= */

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

:root {
  --color-bg: #070b12;
  --color-bg2: #0d1220;
  --color-surface: #111827;
  --color-surface2: #1a2235;
  --color-surface3: #202d42;
  --color-border: rgba(255, 255, 255, 0.07);
  --color-border-hover: rgba(99, 210, 255, 0.25);
  --color-text: #e2e8f0;
  --color-text-muted: #7a8ba8;
  --color-text-sub: #3e5070;
  --color-cyan: #38bdf8;
  --color-cyan-dim: rgba(56, 189, 248, 0.12);
  --color-cyan-glow: rgba(56, 189, 248, 0.08);
  --color-gold: #fbbf24;
  --color-gold-dim: rgba(251, 191, 36, 0.12);
  --color-success: #34d399;
  --color-success-dim: rgba(52, 211, 153, 0.12);
  --header-height: 58px;
  --sidebar-width: 280px;
  --card-radius: 16px;
  --transition: 0.18s ease;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: var(--color-bg);
  color: var(--color-text);
  min-height: 100vh;
  line-height: 1.5;
}

/* =============================================
   Background Ambient
   ============================================= */

.bg-overlay {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 70% 45% at 65% -5%, rgba(56, 189, 248, 0.08) 0%, transparent 70%),
    radial-gradient(ellipse 50% 35% at -5% 90%, rgba(251, 191, 36, 0.05) 0%, transparent 65%),
    radial-gradient(ellipse 80% 60% at 50% 50%, rgba(17, 24, 39, 0.6) 0%, transparent 100%);
}

/* Page transition */
.page-transition {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: var(--color-bg);
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s ease;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-height);
  background: rgba(7, 11, 18, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
}

.header-inner {
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 28px;
  display: flex;
  align-items: center;
  gap: 36px;
}

.logo-link {
  display: flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;
}

.logo {
  height: 34px;
  width: auto;
  object-fit: contain;
  transition: opacity var(--transition);
}

.logo:hover {
  opacity: 0.8;
}

.logo-fallback {
  font-size: 17px;
  font-weight: 800;
  color: var(--color-cyan);
  letter-spacing: -0.5px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2px;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 16px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text-muted);
  text-decoration: none;
  letter-spacing: 0.1px;
  transition: color var(--transition), background var(--transition);
}

.nav-link:hover {
  color: var(--color-cyan);
  background: var(--color-cyan-dim);
}

.nav-link.active {
  color: var(--color-cyan);
}

.nav-link.disabled {
  opacity: 0.35;
  pointer-events: none;
  cursor: default;
}

.soon-badge {
  font-size: 9px;
  font-weight: 700;
  color: var(--color-gold);
  background: var(--color-gold-dim);
  border: 1px solid rgba(251, 191, 36, 0.25);
  padding: 1px 6px;
  border-radius: 100px;
  text-transform: uppercase;
  letter-spacing: 0.6px;
}

/* =============================================
   Main Layout
   ============================================= */

.main-layout {
  position: relative;
  z-index: 1;
  max-width: 1440px;
  margin: 0 auto;
  padding: 18px 28px 41.5px;
  display: grid;
  grid-template-columns: 1fr var(--sidebar-width);
  gap: 20px;
  align-items: start;
}

/* =============================================
   Gem Cards Grid
   ============================================= */

.gems-grid {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.gem-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--card-radius);
  overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.gem-card:hover {
  border-color: rgba(56, 189, 248, 0.18);
  box-shadow: 0 0 0 1px rgba(56, 189, 248, 0.06), 0 8px 32px rgba(0, 0, 0, 0.3);
}

.gem-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px 11px;
  background: var(--color-surface2);
  border-bottom: 1px solid var(--color-border);
}

.gem-name {
  font-size: 13px;
  font-weight: 700;
  color: var(--color-text);
  text-transform: uppercase;
  letter-spacing: 0.6px;
}

.gem-total-display {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--color-surface3);
  border: 1px solid var(--color-border);
  padding: 3px 10px 3px 8px;
  border-radius: 20px;
}

.gem-total-label {
  font-size: 11px;
  color: var(--color-text-muted);
  font-weight: 500;
}

.gem-total-value {
  font-size: 13px;
  font-weight: 700;
  color: var(--color-gold);
  font-variant-numeric: tabular-nums;
  transition: color var(--transition);
}

/* =============================================
   Gem Size Rows
   ============================================= */

.gem-sizes {
  display: flex;
  flex-direction: row;
  justify-content: space-around;
  padding: 16px 12px 20px;
  gap: 4px;
}

.gem-size-row {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  flex: 1;
  padding: 10px 6px;
  border-right: 1px solid var(--color-border);
  transition: background var(--transition);
  border-radius: 8px;
}

.gem-size-row:last-child {
  border-right: none;
}

.gem-size-row:hover {
  background: rgba(56, 189, 248, 0.04);
}

.gem-img {
  width: 72px;
  height: 72px;
  object-fit: contain;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 10px;
  padding: 6px;
  transition: border-color var(--transition), background var(--transition);
}

/* On hover, only .fish-img gets border and background */
.gem-size-row:hover .fish-img {
  border-color: rgba(56, 189, 248, 0.3);
  background: rgba(56, 189, 248, 0.06);
}

.fish-img {
  width: 72px;
  height: 72px;
}

.size-label {
  font-size: 11.5px;
  color: var(--color-text-muted);
  font-weight: 600;
  white-space: nowrap;
  text-align: center;
  letter-spacing: 0.2px;
  transition: color var(--transition);
}

.gem-size-row:hover .size-label {
  color: var(--color-cyan);
}

/* =============================================
   Counter Controls
   ============================================= */

.counter-controls {
  display: flex;
  align-items: center;
  gap: 5px;
}

.btn-dec,
.btn-inc {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  background: var(--color-surface2);
  color: var(--color-text-muted);
  font-size: 16px;
  font-weight: 400;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
  flex-shrink: 0;
  user-select: none;
}

.btn-dec:hover,
.btn-inc:hover {
  background: var(--color-cyan);
  border-color: var(--color-cyan);
  color: #070b12;
}

.btn-dec:active,
.btn-inc:active {
  transform: scale(0.91);
}

.gem-input {
  width: 56px;
  height: 26px;
  background: var(--color-bg2);
  border: 1px solid var(--color-border);
  border-radius: 7px;
  color: var(--color-cyan);
  font-family: inherit;
  font-size: 13px;
  font-weight: 700;
  text-align: center;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
  -moz-appearance: textfield;
  appearance: textfield;
}

.gem-input::-webkit-outer-spin-button,
.gem-input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.gem-input:focus {
  border-color: var(--color-cyan);
  box-shadow: 0 0 0 2px var(--color-cyan-glow);
}

/* Gem value result — hidden in horizontal layout */
.gem-value-label {
  display: none;
}

.calc-val {
  color: inherit;
}

/* =============================================
   Summary Panel (Sidebar)
   ============================================= */

.summary-panel {
  position: fixed;
  top: calc(var(--header-height) + 18px);
  right: 28px;
  width: var(--sidebar-width);
  z-index: 50;
  display: flex;
  flex-direction: column;
}

.summary-card {
  background: #0f141f;
  border: 1px solid var(--color-border);
  border-radius: var(--card-radius);
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* Header */
.summary-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.summary-icon {
  width: 40px;
  height: 40px;
  background: var(--color-surface2);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.summary-header-text {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.summary-title {
  font-size: 11px;
  font-weight: 800;
  color: var(--color-cyan);
  letter-spacing: 1.5px;
  text-transform: uppercase;
}

.summary-subtitle {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-muted);
}

/* Subcards */
.summary-subcard {
  background: var(--color-surface2);
  border-radius: 12px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  border: 1px solid transparent;
  transition: border-color var(--transition);
}

.summary-subcard:hover {
  border-color: rgba(255, 255, 255, 0.05);
}

.summary-subcard.flex-row {
  flex-direction: row;
  justify-content: space-between;
  align-items: center;
}

.subcard-left {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.subcard-title {
  font-size: 11px;
  font-weight: 700;
  color: #ffffff;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.subcard-meta {
  font-size: 12px;
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  gap: 4px;
}

.subcard-value {
  font-weight: 800;
  font-variant-numeric: tabular-nums;
}

.subcard-value.huge-text {
  font-size: 26px;
  line-height: 1;
}

.subcard-value[class*="value-gold"] {
  color: var(--color-gold);
}

.subcard-value[class*="value-cyan"] {
  font-size: 18px;
  color: var(--color-cyan);
}

.rate-input {
  width: 50px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  color: var(--color-text);
  font-family: inherit;
  font-size: 12px;
  text-align: center;
  outline: none;
  padding: 2px 4px;
  -moz-appearance: textfield;
  appearance: textfield;
  transition: border-color var(--transition), background-color var(--transition);
}

.rate-input:focus {
  border-color: var(--color-cyan);
  background: rgba(56, 189, 248, 0.08);
}

.rate-input::-webkit-outer-spin-button,
.rate-input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

/* Base Summary Buttons */
.summary-buttons {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 8px;
}

.btn-block {
  width: 100%;
  padding: 14px;
  border-radius: 8px;
  font-family: inherit;
  font-size: 16px;
  font-weight: 700;
  border: none;
  cursor: pointer;
  color: #fff;
  transition: transform var(--transition), filter var(--transition);
}

.btn-block:active {
  transform: scale(0.98);
}

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

/* Modifiers */
.btn-secondary {
  background: transparent;
  color: var(--color-text-sub);
  border: 1px solid var(--color-border);
  box-shadow: none;
}

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

.btn-primary {
  background: rgba(56, 189, 248, 0.08);
  color: var(--color-cyan);
  border: 1px solid rgba(56, 189, 248, 0.3);
  box-shadow: none;
}

.btn-primary:hover {
  background: rgba(56, 189, 248, 0.15);
  border-color: rgba(56, 189, 248, 0.5);
}

.summary-value {
  font-size: 18px;
  font-weight: 800;
  color: var(--color-gold);
  font-variant-numeric: tabular-nums;
  min-width: 40px;
  text-align: right;
  letter-spacing: -0.5px;
}

.summary-sub {
  font-size: 10px;
  color: var(--color-text-sub);
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 4px;
  flex-wrap: wrap;
}

/* Custom BC rate input inside summary-sub */
.summary-sub .gem-input {
  width: 52px;
  height: 22px;
  font-size: 11px;
  font-weight: 700;
  border-radius: 5px;
  color: var(--color-cyan);
}

/* Copy button */
.copy-btn {
  width: 22px;
  height: 22px;
  border-radius: 5px;
  border: 1px solid var(--color-border);
  background: var(--color-surface2);
  color: var(--color-text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
  flex-shrink: 0;
}

.copy-btn:hover {
  background: var(--color-cyan);
  border-color: var(--color-cyan);
  color: #070b12;
}

.copy-btn.copied {
  background: var(--color-success);
  border-color: var(--color-success);
  color: #070b12;
}

/* =============================================
   Toggle Switch (Combined)
   ============================================= */

.combined-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.combine-desc {
  font-size: 11px;
  color: var(--color-text-sub);
  margin-bottom: 10px;
  margin-top: -6px;
}

.combined-hidden {
  display: none;
}

.combined-visible {
  display: block;
}

.toggle-switch {
  position: relative;
  display: inline-flex;
  align-items: center;
  cursor: pointer;
  flex-shrink: 0;
}

.toggle-switch input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-slider {
  width: 34px;
  height: 18px;
  background: var(--color-surface3);
  border: 1px solid var(--color-border);
  border-radius: 100px;
  transition: background var(--transition), border-color var(--transition);
  position: relative;
}

.toggle-slider::before {
  content: '';
  position: absolute;
  left: 2px;
  top: 50%;
  transform: translateY(-50%);
  width: 12px;
  height: 12px;
  background: var(--color-text-muted);
  border-radius: 50%;
  transition: left var(--transition), background var(--transition);
}

.toggle-switch input:checked+.toggle-slider {
  background: var(--color-cyan);
  border-color: var(--color-cyan);
}

.toggle-switch input:checked+.toggle-slider::before {
  left: calc(100% - 14px);
  background: white;
}

/* =============================================
   Navigation Card
   ============================================= */

.nav-card .summary-section-title {
  margin-bottom: 8px;
}

.nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.nav-list-link {
  display: block;
  padding: 6px 10px;
  border-radius: 7px;
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition), background var(--transition);
}

.nav-list-link:hover {
  color: var(--color-cyan);
  background: var(--color-cyan-dim);
}

.nav-list-link.active {
  color: var(--color-cyan);
  background: var(--color-cyan-dim);
}



/* =============================================
   Animations
   ============================================= */

/* Page Load Animations Removed */

/* Pulse animation removed */

/* =============================================
   Responsive
   ============================================= */

@media (max-width: 960px) {
  .main-layout {
    display: flex;
    flex-direction: column;
    padding: 20px 16px 60px;
  }

  .summary-panel {
    position: static;
    width: 100%;
    order: -1;
    /* Places the summary panel above the gems grid on mobile */
  }
}

@media (max-width: 600px) {
  .gem-size-row {
    grid-template-columns: 28px 56px 1fr auto;
    gap: 8px;
    padding: 8px 12px;
  }

  .gem-input {
    width: 48px;
  }

  .header-inner {
    padding: 0 16px;
    gap: 16px;
  }
}