:root {
  --bg: #f5f0e8;
  --surface: #fff;
  --text-main: #1a1a1a;
  --text-muted: #6b6460;
  --border: #d4cfc8;
  --btn-border: #1a1a1a;
  --btn-text: #1a1a1a;
  --btn-hover-bg: #1a1a1a;
  --btn-hover-text: #f5f0e8;
  --quote-color: #2d2825;
  --dash-color: #c9a96e;
}

[data-theme="dark"] {
  --bg: #131210;
  --surface: #1e1c19;
  --text-main: #f0ebe3;
  --text-muted: #8a8278;
  --border: #2e2b27;
  --btn-border: #f0ebe3;
  --btn-text: #f0ebe3;
  --btn-hover-bg: #f0ebe3;
  --btn-hover-text: #131210;
  --quote-color: #e8e2d9;
  --dash-color: #c9a96e;
}

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

body {
  background: var(--bg);
  color: var(--text-main);
  font-family: Georgia, "Times New Roman", Times, serif;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  transition:
    background 0.3s,
    color 0.3s;
}

/* Botão de altenar tema */
.toggle-btn {
  position: fixed;
  top: 1.2rem;
  right: 1.2rem;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
  cursor: pointer;
  padding: 6px 12px;
  font-size: 13px;
  letter-spacing: 0.05em;
  border-radius: 2px;
  transition: all 0.2s;
  font-family: sans-serif;
}

.toggle-btn:hover {
  border-color: var(--text-main);
  color: var(--surface);
}

.container {
  max-width: 620px;
  width: 100%;
  text-align: center;
}

h1 {
  font-size: 13px;
  font-family: sans-serif;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 3rem;
  font-weight: 400;
}

/* card da citação */
.quote-card {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 2.8rem 2.5rem;
  border-radius: 2px;
  min-height: 160px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  margin-bottom: 2rem;
  transition:
    background 0.3s,
    border-color 0.3s;
}

/* Aspas decorativas */
.quote-card::before {
  content: "\201C";
  position: absolute;
  top: -0.6rem;
  left: 1.5rem;
  font-size: 5rem;
  line-height: 1;
  color: var(--dash-color);
  font-family: Georgia, serif;
  opacity: 0.5;
}

#quoteDisplay {
  font-size: 1.35rem;
  line-height: 1.7;
  color: var(--quote-color);
  font-style: italic;
  transition: opacity 0.3s;
}

/* Divisor decorativo */

.dash {
  width: 40px;
  height: 1px;
  background: var(--dash-color);
  margin: 0 auto 1.8rem;
}

/* Botão flat */
button {
  background: transparent;
  border: 1px solid var(--btn-border);
  color: var(--btn-text);
  font-family: sans-serif;
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  padding: 12px 32px;
  cursor: pointer;
  border-radius: 1px;
  transition:
    background 0.18s,
    color 0.18s;
}

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

button:active {
  opacity: 0.75;
}