/* ==========================================================================
   Components — reusable UI: nav, buttons, badges, cards, terminal, forms.
   ========================================================================== */

/* ---- Scroll progress bar ------------------------------------------------ */
.progress {
  position: fixed;
  top: 0; left: 0;
  height: 2px;
  width: 0%;
  z-index: 200;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  box-shadow: 0 0 12px var(--accent);
}

/* ---- Navigation --------------------------------------------------------- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 120;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 40px;
  background: rgba(0, 0, 0, .72);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.nav__brand {
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  font-family: var(--mono);
  font-size: 14px;
  font-weight: 600;
}
.nav__brand-logo {
  height: 24px; width: auto;
  filter: drop-shadow(0 0 6px rgba(28, 185, 237, .55));
}
.nav__brand-name { color: var(--text); }
.nav__caret { color: var(--accent); animation: blink 1.1s step-end infinite; }

.nav__links { display: flex; align-items: center; gap: 6px; }

.nav__link {
  position: relative;
  cursor: pointer;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: .02em;
  padding: 8px 12px;
  color: var(--muted);
  transition: color .2s;
}
.nav__link:hover { color: var(--text); }
.nav__link-idx { color: var(--accent); opacity: .6; }
.nav__underline {
  position: absolute;
  left: 12px; right: 12px; bottom: 2px;
  height: 2px;
  border-radius: 2px;
  background: var(--accent);
  opacity: 0;
  transition: opacity .25s;
}
.nav__link.is-active .nav__underline { opacity: 1; }

.nav__actions { display: flex; align-items: center; gap: 12px; }

/* ---- Buttons ------------------------------------------------------------ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  cursor: pointer;
  font-family: var(--mono);
  font-weight: 700;
  font-size: 14px;
  padding: 14px 24px;
  border-radius: 10px;
  border: none;
  transition: transform .15s, box-shadow .2s, border-color .2s;
}
.btn--primary {
  background: var(--accent);
  color: #00141d;
  box-shadow: 0 8px 26px rgba(28, 185, 237, .3);
}
.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 36px rgba(28, 185, 237, .45);
}
.btn--ghost {
  background: var(--surface-2);
  border: 1px solid var(--border-2);
  color: var(--text);
  font-weight: 600;
}
.btn--ghost:hover { border-color: var(--accent); transform: translateY(-2px); }
.btn--sm { padding: 9px 16px; font-size: 13px; }

.lang-toggle {
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--surface-2);
  border: 1px solid var(--border-2);
  color: var(--text);
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 600;
  padding: 7px 11px;
  border-radius: 8px;
  transition: border-color .2s;
}
.lang-toggle:hover { border-color: var(--accent); }
.lang-toggle__icon { color: var(--accent); }

/* ---- Badge / pill ------------------------------------------------------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 13px;
  color: var(--accent);
  background: var(--accent-soft);
  border: 1px solid rgba(28, 185, 237, .25);
  padding: 7px 14px;
  border-radius: 100px;
}
.badge__dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: #22c55e;
  box-shadow: 0 0 8px #22c55e;
  animation: pulseGlow 2s infinite;
}

/* ---- Generic card ------------------------------------------------------- */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  transition: transform .25s, border-color .25s, box-shadow .25s;
}
.card:hover { border-color: rgba(28, 185, 237, .35); }

.tag {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--text);
  background: var(--surface-2);
  border: 1px solid var(--border);
  padding: 8px 14px;
  border-radius: 8px;
}
.chip {
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--muted);
  background: var(--surface-3);
  padding: 6px 11px;
  border-radius: 7px;
  border: 1px solid var(--border);
  transition: color .2s, border-color .2s;
}
.chip:hover { color: var(--accent); border-color: rgba(28, 185, 237, .4); }

/* ---- Terminal card (hero) ---------------------------------------------- */
.terminal {
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--border-2);
  background: linear-gradient(180deg, #13131c, #0e0e15);
  box-shadow: 0 30px 80px rgba(0, 0, 0, .55);
  animation: floaty 7s ease-in-out infinite;
}
.terminal__bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 13px 16px;
  background: #181822;
  border-bottom: 1px solid var(--border);
}
.terminal__dot { width: 12px; height: 12px; border-radius: 50%; }
.terminal__dot--r { background: #ff5f57; }
.terminal__dot--y { background: #febc2e; }
.terminal__dot--g { background: #28c840; }
.terminal__file {
  margin-left: 8px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--faint);
}
.terminal__code {
  margin: 0;
  padding: 22px 20px;
  font-family: var(--mono);
  font-size: 13.5px;
  line-height: 1.85;
  overflow-x: auto;
}
.tk-type { color: #7dd3fc; }   /* attribute / type accents */
.tk-kw   { color: var(--accent); }
.tk-cls  { color: #fcd34d; }
.tk-fn   { color: #c4b5fd; }
.tk-str  { color: #86efac; }
.tk-num  { color: #fca5a5; }

/* ---- Forms -------------------------------------------------------------- */
.field { display: block; }
.field__label {
  display: block;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 7px;
}
.field__input,
.field__textarea {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border-2);
  border-radius: 9px;
  padding: 12px 14px;
  color: var(--text);
  font-family: var(--sans);
  font-size: 14px;
  outline: none;
  transition: border-color .2s;
}
.field__textarea { resize: vertical; }
.field__input:focus,
.field__textarea:focus { border-color: var(--accent); }