/* =========================
   GLOBAL RESET
========================= */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* =========================
   BODY
========================= */
body {
  font-family: Arial, sans-serif;
  background: linear-gradient(135deg, #c67417, #bf1c1c);
  color: white;
  min-height: 100vh;
}

/* =========================
   LAYOUT
========================= */
.container {
  display: flex;
  gap: 20px;
  padding: 30px;
  align-items: flex-start;
}

/* Stack on mobile */
@media (max-width: 900px) {
  .container {
    flex-direction: column;
  }
}

/* =========================
   CARDS
========================= */
.card {
  background: #3f4249;
  border-radius: 16px;
  padding: 20px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
  width: 100%;
}

/* =========================
   HEADINGS
========================= */
h1 {
  font-size: 28px;
  margin-bottom: 10px;
}

h2 {
  font-size: 18px;
  margin-bottom: 10px;
  opacity: 0.9;
}

/* =========================
   INPUTS
========================= */
input {
  width: 100%;
  padding: 12px;
  margin: 8px 0;
  border-radius: 10px;
  border: 1px solid #374151;
  background: #0f172a;
  color: white;
  font-size: 14px;
  outline: none;
}

input:focus {
  border-color: #38bdf8;
  box-shadow: 0 0 0 2px rgba(56, 189, 248, 0.2);
}

/* =========================
   BUTTONS
========================= */
button {
  width: 100%;
  padding: 12px;
  margin-top: 10px;
  border-radius: 10px;
  border: none;
  background: #c67417;
  color: black;
  font-weight: bold;
  cursor: pointer;
  transition: 0.2s;
}

button:hover {
  background: #c0c0c0;
  transform: translateY(-1px);
}

button:active {
  transform: translateY(0px);
}

/* =========================
   RESULT BOX
========================= */
#result {
  margin-top: 15px;
  padding: 12px;
  background: #0f172a;
  border-radius: 12px;
  border: 1px solid #374151;
  line-height: 1.6;
}

/* =========================
   CHART
========================= */
canvas {
  width: 100% !important;
  height: 320px !important;
  margin-top: 10px;
}

/* =========================
   SMALL TEXT / BADGES
========================= */
.subtle {
  font-size: 12px;
  opacity: 0.6;
  margin-top: 8px;
}

.logo {
  width: 200px;
  height: auto;
  display: block;
  margin-bottom: 20px;

  
}

.demo-toggle {
  position: fixed;
  bottom: 20px;
  right: 20px;

  width: 50px;
  height: 50px;

  border-radius: 50%;
  border: none;

  background: #1e293b;
  color: white;
  font-size: 20px;

  display: flex;
  align-items: center;
  justify-content: center;

  cursor: pointer;

  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);

  transition: transform 0.2s ease, background 0.2s ease;
}

.demo-toggle:hover {
  transform: scale(1.1);
  background: #38bdf8;
}