:root {
  --bg: #fdfbf8;
  --bg-warm: #f5f0e8;
  --text: #1a1a1a;
  --text-secondary: #666666;
  --text-muted: #999999;
  --border: #e5e1da;
  --border-light: rgba(26,26,26,0.08);
  --accent: #1a1a1a;
  --card-bg: #ffffff;
  --tag-bg: #f0ebe3;
}

* { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Manrope', 'Noto Sans SC', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  display: flex;
  flex-direction: column;
}

/* ===== HEADER ===== */
header {
  padding: 80px 64px 48px;
  border-bottom: 4px solid #e5e5e5;
  background: var(--bg);
  max-width: 1400px;
  width: 100%;
  margin: 0 auto;
}
.header-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}
.header-top .logo-link {
  flex-shrink: 0;
  margin-left: 32px;
  margin-top: 8px;
  transition: opacity 0.2s;
}
.header-top .logo-link:hover { opacity: 0.7; }
h1 {
  font-family: 'Playfair Display', 'Georgia', serif;
  font-weight: 500;
  font-style: italic;
  font-size: 3.2rem;
  color: var(--text);
  letter-spacing: -0.02em;
  line-height: 1.1;
}
h1 span {
  font-style: italic;
  font-weight: 500;
}
.subtitle {
  font-family: 'Space Grotesk', 'Noto Sans SC', sans-serif;
  font-size: 0.82rem;
  font-weight: 400;
  color: var(--text-secondary);
  margin-top: 16px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}
.lang-link {
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s;
}
.lang-link.active {
  color: var(--text-secondary);
  font-weight: 600;
}

/* ===== CONTENT ===== */
#main {
  max-width: 1400px;
  width: 100%;
  margin: 0 auto;
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 64px;
}

/* ===== CARDS ===== */
.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 0;
  padding: 56px 48px;
  width: 100%;
  max-width: 520px;
  transition: all 0.3s ease;
  position: relative;
}
.card:hover {
  border-color: var(--text);
  box-shadow: 0 8px 30px rgba(0,0,0,0.06);
}

/* ===== COPY BLOCK (Adapted for 2FA) ===== */
.code-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  margin-bottom: 40px;
}

.code {
  font-family: 'Space Grotesk', monospace;
  font-size: 3.5rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--text);
  text-transform: uppercase;
}

.copy-btn {
  padding: 10px 24px;
  background: var(--text);
  border: 1px solid var(--text);
  border-radius: 0;
  color: var(--bg);
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.2s;
}
.copy-btn:hover {
  background: transparent;
  color: var(--text);
}

.timer-container {
  padding-top: 16px;
}

.progress-bar {
  width: 100%;
  height: 6px;
  background: var(--border);
  margin-bottom: 16px;
  position: relative;
}

.progress {
  height: 100%;
  background: var(--text);
  width: 100%;
  transition: width 1s linear;
}

.progress.warning {
  background: #d32f2f;
}

.time-text {
  font-family: 'Space Grotesk', sans-serif;
  text-align: center;
  font-size: 0.7rem;
  color: var(--text-muted);
  letter-spacing: 0.1em;
}

.time-text.warning {
  color: #d32f2f;
}

/* ===== TOAST (Aligned with skills theme) ===== */
.toast {
  position: fixed;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--text);
  color: var(--bg);
  padding: 12px 24px;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  border: 1px solid var(--text);
}

.toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

/* ===== PASSWORD OVERLAY ===== */
.password-overlay {
  position: fixed;
  top: 0; left: 0; width: 100%; height: 100%;
  background: var(--bg);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.password-modal {
  max-width: 400px;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.password-modal h2 {
  font-family: 'Playfair Display', 'Georgia', serif;
  font-weight: 600;
  font-size: 1.8rem;
  font-style: italic;
  color: var(--text);
  margin-bottom: 8px;
}
.password-modal p {
  font-family: 'Space Grotesk', 'Noto Sans SC', sans-serif;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 24px;
}
.password-modal input {
  padding: 12px 16px;
  border: 1px solid var(--border);
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1rem;
  letter-spacing: 0.05em;
  outline: none;
  border-radius: 0;
  text-align: center;
  transition: border-color 0.2s;
  background: var(--bg);
  color: var(--text);
}
.password-modal input:focus {
  border-color: var(--text);
}
.password-error {
  color: #d32f2f;
  font-size: 0.75rem;
  font-family: 'Space Grotesk', sans-serif;
  margin-top: 8px;
  display: none;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  header { padding: 48px 28px 32px; }
  h1 { font-size: 2.2rem; }
  #main { padding: 32px 28px; }
  .card { padding: 40px 24px; }
  .code { font-size: 2.8rem; }
}