/* ===== COLOR THEMES ===== */
:root {
  --bg: #f4f4f4;
  --text: #111;
  --box: #ffffff;
  --btn: #6ca0dc;
  --btn-hover: #4a84c5;
  --output-bg: #e0f0ff;
}

body.dark {
  --bg: #1a1a2e;
  --text: #eee;
  --box: #16213e;
  --btn: #1f4068;
  --btn-hover: #1b3c6d;
  --output-bg: #1a2c45;
}

/* ===== BASE STYLES ===== */
body {
  background-color: var(--bg);
  color: var(--text);
  margin: 0;
  padding: 20px;
  font-family: Arial, sans-serif;
  transition: background 0.3s, color 0.3s;
}

.container {
  max-width: 500px;
  margin: auto;
  background: var(--box);
  padding: 20px;
  border-radius: 10px;
  box-shadow: 0 0 10px #999;
  position: relative;
}

/* ===== FORM ELEMENTS ===== */
input {
  width: 100%;
  padding: 10px;
  margin: 10px 0;
  border: 1px solid #ccc;
  border-radius: 4px;
}

button {
  width: 100%;
  padding: 10px;
  background: var(--btn);
  color: white;
  border: none;
  cursor: pointer;
  margin-top: 10px;
  transition: 0.3s;
  font-weight: bold;
  border-radius: 5px;
}

button:hover {
  background: var(--btn-hover);
}

/* ===== SMALL TOGGLE BUTTON (INSIDE BOX) ===== */
#themeToggle {
  position: absolute;
  bottom: 15px;
  right: 15px;
  background: transparent;
  border: 2px solid var(--btn);
  color: var(--btn);
  border-radius: 50%;
  padding: 4px 6px;
  cursor: pointer;
  font-size: 0.85rem;
  transition: 0.2s;
}

#themeToggle:hover {
  background: var(--btn);
  color: white;
}

/* ===== OUTPUT BOX ===== */
#output {
  margin-top: 20px;
  white-space: pre-line;
  background: var(--output-bg);
  padding: 15px;
  border-radius: 5px;
  font-size: 0.95rem;
}

/* ===== FOOTER ===== */
footer {
  margin-top: 30px;
  text-align: center;
  font-size: 0.9rem;
}

footer a {
  color: var(--btn);
  text-decoration: none;
}