/* ------------- Payoff.lol styles ------------- */

body {
    margin: 0;
    font-family: 'Segoe UI', 'Helvetica Neue', sans-serif;
    background-color: #0a0a0a;
    color: #f0f0f0;
    line-height: 1.5;
  }
  
  .wrapper {
    max-width: 720px;
    margin: 3rem auto;
    padding: 0 1rem;
  }
  
  h1 {
    font-size: 2.5rem;
    margin-bottom: 0.25rem;
    text-align: center;
    color: #0ff;
    text-shadow: 0 0 6px #0ff;
  }
  
  .tagline {
    font-size: 1.1rem;
    color: #888;
    text-align: center;
    margin-bottom: 2rem;
  }
  
  .card {
    background-color: #111;
    border: 1px solid #222;
    box-shadow: 0 4px 12px rgba(0,255,255,0.1);
    padding: 1.5rem;
    border-radius: 12px;
    margin-bottom: 2rem;
    transition: transform .15s ease;
  }
  .card:hover {
    transform: translateY(-4px);
  }
  
  label {
    display: block;
    margin-bottom: 1rem;
    font-size: 1rem;
  }
  label input[type="checkbox"] {
    margin-left: 0;
    margin-right: 0.5rem;
    transform: scale(1.1);
  }
  
  input[type="text"],
  input[type="number"],
  input[type="date"] {
    margin-left: 0.5rem;
    padding: 0.5rem 0.75rem;
    background: #1a1a1a;
    border: 1px solid #333;
    color: #eee;
    border-radius: 6px;
    font-size: 1rem;
    width: calc(100% - 1.5rem);
    box-sizing: border-box;
    transition: border-color .2s ease, box-shadow .2s ease;
  }
  input:focus {
    border-color: #0ff;
    box-shadow: 0 0 4px rgba(0,255,255,0.4);
    outline: none;
  }
  
  button {
    display: inline-block;
    background: linear-gradient(135deg, #0ff, #08c);
    color: #000;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    cursor: pointer;
    font-weight: bold;
    font-size: 1rem;
    text-transform: uppercase;
    box-shadow: 0 4px 8px rgba(0,255,255,0.2);
    transition: background .2s ease, transform .1s ease;
  }
  button:hover {
    background: linear-gradient(135deg, #0ee, #0aa);
    transform: translateY(-2px);
  }
  button:active {
    transform: translateY(0);
  }
  
  .results {
    margin-top: 2rem;
    font-size: 1.1rem;
  }
  .summary-block {
    background: #1a1a1a;
    border-left: 4px solid #0ff;
    padding: 0.75rem 1rem;
    margin-bottom: 1rem;
    border-radius: 4px;
  }
  
  h3 {
    display: flex;
    align-items: center;
    font-size: 1.3rem;
    margin-bottom: 0.75rem;
  }
  h3::before {
    content: "📊";
    margin-right: 0.5rem;
  }
  
  .tooltip {
    position: relative;
    cursor: help;
    display: inline-block;
    margin-left: 0.25rem;
    color: #0ff;
  }
  .tooltip .tooltiptext {
    visibility: hidden;
    width: 260px;
    background-color: #222;
    color: #fff;
    text-align: left;
    border-radius: 6px;
    padding: 0.5rem;
    position: absolute;
    z-index: 10;
    bottom: 125%;
    left: 50%;
    transform: translateX(-50%);
    opacity: 0;
    transition: opacity .2s ease-in-out;
    font-size: 0.85rem;
    box-shadow: 0 2px 6px rgba(0,0,0,0.5);
  }
  .tooltip:hover .tooltiptext {
    visibility: visible;
    opacity: 1;
  }
  
  .dropdown {
    position: relative;
    width: 100%;
  }
  .dropdown input {
    width: 100%;
  }
  .dropdown-list {
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    width: 100%;
    max-height: 180px;
    overflow-y: auto;
    background: #1a1a1a;
    border: 1px solid #333;
    border-radius: 4px;
    z-index: 20;
    display: none;
  }
  .dropdown-list li {
    padding: 0.5rem 0.75rem;
    cursor: pointer;
    transition: background .1s ease;
  }
  .dropdown-list li:hover {
    background: #222;
  }
  
  canvas {
    margin-top: 2rem;
    border-radius: 8px;
    background: #111;
    box-shadow: 0 4px 12px rgba(0,0,0,0.5);
  }
  
  /* Remove number input arrows */
  /* Chrome, Safari, Edge, Opera */
  input::-webkit-outer-spin-button,
  input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
  }
  /* Firefox */
  input[type="number"] {
    -moz-appearance: textfield;
  }
  
  /* in your CSS */
.chart-container {
    position: relative;
    width: 100%;
    height: 400px;  /* a fixed, tall enough height */
}
  .chart-container canvas {
    /* let Chart.js resize within this box */
    width: 100% !important;
    height: 100% !important;
  }

  .disclaimer {
    text-align: center;
    opacity: 0.4;
    font-size: 0.9rem;
    margin-top: 3rem;
    font-style: italic;
    color: #bbb;
  }
  
  a {
    color: #0ff;
    text-decoration: none;
    font-weight: bold;
    transition: color 0.2s ease;
  }
  a:hover {
    color: #0ee;
    text-shadow: 0 0 6px #0ff;
  }
  
  .nav-link {
    display: block;
    margin-bottom: 2rem;
    text-align: center;
    font-size: 0.95rem;
    opacity: 0.7;
  }
  
  .copy-btn {
    margin-left: 0.5rem;
    background: none;
    border: none;
    padding: 0;
    vertical-align: middle;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
  }
  
  .copy-btn:focus {
    outline: none;
    box-shadow: none;
  }

  .copy-btn:hover {
    background: none;
    box-shadow: none;
  }

  .copy-tooltip {
    position: absolute;
    font-size: 0.75rem;
    background: #111;
    color: #0ff;
    padding: 2px 6px;
    border-radius: 4px;
    box-shadow: 0 2px 4px rgba(0,255,255,0.3);
    opacity: 0;
    transform: translateY(-8px);
    transition: opacity 0.2s ease, transform 0.2s ease;
    pointer-events: none;
    z-index: 10;
  }

  .copy-tooltip {
    position: absolute;
    font-size: 0.75rem;
    background: #111;
    color: #0ff;
    padding: 2px 6px;
    border-radius: 4px;
    box-shadow: 0 2px 4px rgba(0,255,255,0.3);
    opacity: 0;
    transform: translateY(-8px);
    transition: opacity 0.2s ease, transform 0.2s ease;
    pointer-events: none;
    z-index: 10;
  }
  
  .card ul {
    list-style: none;
    padding-left: 0;
  }