/* Plat Efficiency Calculator - Dark store-style theme */
:root {
  --bg: #0f1419;
  --bg-card: #1a2332;
  --bg-card-alt: #1e2a3a;
  --border: #2d3a4d;
  --text: #e6edf3;
  --text-muted: #8b9cb3;
  --accent: #58a6ff;
  --accent-glow: rgba(88, 166, 255, 0.35);
  --plat-gold: #d4a853;
  --plat-glow: rgba(212, 168, 83, 0.25);
  --success: #3fb950;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  min-height: 100vh;
}

.app {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
}

/* Header */
.header {
  text-align: center;
  margin-bottom: 2rem;
}

.header h1 {
  font-size: 1.75rem;
  font-weight: 700;
  margin: 0 0 0.25rem;
  background: linear-gradient(135deg, var(--text) 0%, var(--text-muted) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.subtitle {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin: 0;
}

/* Controls */
.controls {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1.25rem;
  margin-bottom: 2rem;
  padding: 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.control-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.control-group label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.control-group select,
.control-group input[type="number"] {
  padding: 0.6rem 0.75rem;
  font-size: 1rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  transition: border-color 0.2s, box-shadow 0.2s;
}

#discount option.discount-bold {
  font-weight: bold;
}

.control-group--checkbox,
.control-group--multiplier {
  flex-direction: row;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem;
}

.control-group--checkbox .hint,
.control-group--multiplier .hint {
  flex-basis: 100%;
}

.control-group--multiplier .slider-wrap {
  flex-basis: 100%;
}

/* Slider (Platinum Multiplier) */
.slider-wrap {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-width: 0;
  flex: 1;
}

.slider-wrap input[type="range"] {
  flex: 1;
  min-width: 100px;
  height: 6px;
  -webkit-appearance: none;
  appearance: none;
  background: var(--border);
  border-radius: 3px;
  outline: none;
}

.slider-wrap input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
  box-shadow: 0 0 0 2px var(--bg-card), 0 1px 4px rgba(0,0,0,0.3);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.slider-wrap input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.1);
}

.slider-wrap input[type="range"]::-moz-range-thumb {
  width: 18px;
  height: 18px;
  border: none;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
  box-shadow: 0 0 0 2px var(--bg-card), 0 1px 4px rgba(0,0,0,0.3);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.slider-wrap input[type="range"]::-moz-range-thumb:hover {
  transform: scale(1.1);
}

.slider-wrap input[type="range"]:disabled {
  opacity: 0.5;
  pointer-events: none;
}

.slider-output {
  flex-shrink: 0;
  min-width: 2.5rem;
  padding: 0.35rem 0.5rem;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--accent);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  text-align: center;
}

.checkbox-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
  text-transform: none;
  letter-spacing: 0;
  cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
  width: 1.1rem;
  height: 1.1rem;
  padding: 0;
  margin: 0;
  accent-color: var(--accent);
  cursor: pointer;
}

.control-group select:focus,
.control-group input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.control-group input::placeholder {
  color: var(--text-muted);
  opacity: 0.8;
}

.hint {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.label-with-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.label-with-link input {
  flex: 1;
  min-width: 0;
}

.label-link {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--accent);
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 2px;
  flex-shrink: 0;
}

.label-link:hover {
  color: var(--text);
}

/* Popup (salary → hourly) */
.popup-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s ease, visibility 0.2s ease;
}

.popup-overlay[aria-hidden="false"] {
  opacity: 1;
  visibility: visible;
}

.popup-overlay[hidden] {
  display: none !important;
}

.popup {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 12px 48px rgba(0, 0, 0, 0.5);
  max-width: 380px;
  width: 100%;
  padding: 1.5rem;
}

.popup-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin: 0 0 0.5rem;
  color: var(--text);
}

.popup-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin: 0 0 1.25rem;
  line-height: 1.4;
}

.popup-form .control-group {
  margin-bottom: 1rem;
}

.popup-form .control-group:last-of-type {
  margin-bottom: 0.5rem;
}

.popup-result {
  min-height: 1.5rem;
  font-size: 1rem;
  font-weight: 600;
  color: var(--accent);
  margin: 1rem 0;
}

.popup-actions {
  display: flex;
  gap: 0.75rem;
  justify-content: flex-end;
  margin-top: 1.25rem;
}

.btn {
  padding: 0.6rem 1.1rem;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
}

.btn-ghost {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
}

.btn-ghost:hover {
  border-color: var(--text-muted);
  color: var(--text);
}

.btn-primary {
  background: var(--accent);
  border: 1px solid var(--accent);
  color: var(--bg);
}

.btn-primary:hover {
  filter: brightness(1.1);
}

/* Summary (single break-even message) */
.summary {
  margin-bottom: 1.5rem;
  padding: 1rem 1.35rem;
  background: linear-gradient(135deg, var(--bg-card) 0%, var(--bg-card-alt) 100%);
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  font-size: 1rem;
  line-height: 1.5;
  box-shadow: 0 0 0 1px rgba(88, 166, 255, 0.1);
}

.summary:empty {
  display: none;
}

.summary strong {
  color: var(--accent);
}

.plat-hour-value {
  margin-bottom: 1.5rem;
  padding: 1rem 1.35rem;
  background: linear-gradient(135deg, var(--bg-card) 0%, var(--bg-card-alt) 100%);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  font-size: 1rem;
  line-height: 1.4;
}

.plat-hour-value:not(.is-visible) {
  display: none;
}

.plat-hour-value strong {
  color: var(--accent);
}

/* Packages grid */
.packages-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.package-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  box-shadow: var(--shadow);
  transition: border-color 0.2s, transform 0.2s;
}

.package-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.package-card .plat-amount {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--plat-gold);
  margin-bottom: 0.25rem;
}

.package-card .price {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.package-card .price-per-plat {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.package-card .hours-work {
  font-size: 0.9rem;
  margin-bottom: 0.35rem;
}

.package-card .plat-per-hour {
  font-size: 0.85rem;
  color: var(--success);
  font-weight: 600;
}

.package-card .hours-work:empty + .plat-per-hour {
  margin-top: 0;
}

/* Footer */
.footer {
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

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

.discord-links h3 {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-muted);
  margin: 0 0 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.discord-link-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
}

.discord-link {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.6rem 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  text-decoration: none;
  font-size: 0.9rem;
  transition: border-color 0.2s, background 0.2s, transform 0.2s;
}

.discord-link:hover {
  border-color: var(--accent);
  background: var(--bg-card-alt);
  transform: translateY(-1px);
}

.discord-link-logo {
  width: 24px;
  height: 24px;
  object-fit: contain;
  flex-shrink: 0;
}

.discord-link-name {
  font-weight: 600;
}

.footer p {
  margin: 0;
}

/* Responsive */
@media (max-width: 600px) {
  .app {
    padding: 1rem;
  }

  .controls {
    grid-template-columns: 1fr;
  }

  .packages-grid {
    grid-template-columns: 1fr;
  }
}