/* ==========================================================================
   gpack — общие стили
   Токены: тёмная база + медный (amber) акцент + бирюзовый акцент для ИИ/успеха
   ========================================================================== */

:root {
  --bg-void: #0b0e14;
  --bg-surface: #12161f;
  --bg-elevated: #181d29;
  --bg-elevated-2: #1e2433;
  --border: #232838;
  --border-soft: #1b202c;

  --text-primary: #e6e9f0;
  --text-muted: #8b93a7;
  --text-faint: #5a6178;

  --accent: #e8a33d;
  --accent-soft: rgba(232, 163, 61, 0.14);
  --accent-strong: #f4b955;

  --cyan: #4fd1c5;
  --cyan-soft: rgba(79, 209, 197, 0.14);

  --red: #e5484d;
  --red-soft: rgba(229, 72, 77, 0.14);

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;

  --font-display: "Space Grotesk", "Segoe UI", sans-serif;
  --font-body: "Inter", "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", "Consolas", monospace;

  --shadow-lift: 0 20px 60px -20px rgba(0, 0, 0, 0.6);
}

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

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg-void);
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  display: block;
}

button {
  font-family: inherit;
  cursor: pointer;
}

::selection {
  background: var(--accent);
  color: var(--bg-void);
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.container {
  width: min(1180px, 92%);
  margin-inline: auto;
}

/* --------------------------------------------------------------------------
   Топбар (общий для обеих страниц)
   -------------------------------------------------------------------------- */
.topbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  border-bottom: 1px solid var(--border-soft);
  background: rgba(11, 14, 20, 0.72);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.topbar__inner {
  width: min(1180px, 92%);
  margin-inline: auto;
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

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

.brand__logo {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  border: 1px solid var(--border);
}

.brand__name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: 0.01em;
}

.brand__tag {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-faint);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-left: 1px solid var(--border);
  padding-left: 10px;
  margin-left: 2px;
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 18px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  color: var(--text-primary);
  font-size: 0.88rem;
  font-weight: 500;
  transition: border-color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}

.nav-cta:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
  transform: translateY(-1px);
}

/* --------------------------------------------------------------------------
   Иконки (инлайн SVG)
   -------------------------------------------------------------------------- */
.icon {
  width: 1em;
  height: 1em;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex-shrink: 0;
}

/* ==========================================================================
   ЛЕНДИНГ (index.html)
   ========================================================================== */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
  padding-top: 68px;
}

.hero__video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
  opacity: 0.4;
  filter: saturate(0.7) brightness(0.55);
}

.hero__scrim {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    radial-gradient(ellipse at 20% 20%, rgba(232, 163, 61, 0.12), transparent 55%),
    linear-gradient(180deg, rgba(11, 14, 20, 0.35) 0%, rgba(11, 14, 20, 0.85) 65%, var(--bg-void) 100%);
}

.hero__content {
  position: relative;
  z-index: 2;
  width: min(1180px, 92%);
  margin-inline: auto;
  padding-block: 80px;
}

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid var(--border);
  background: var(--bg-surface);
  padding: 6px 12px;
  border-radius: 999px;
  margin-bottom: 26px;
}

.hero__eyebrow .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse-dot 1.8s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.35; transform: scale(0.7); }
}

.hero__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.6rem, 7vw, 5.4rem);
  line-height: 1.02;
  letter-spacing: -0.02em;
  max-width: 15ch;
}

.hero__title .typed-cursor {
  display: inline-block;
  width: 0.06em;
  margin-left: 0.05em;
  background: var(--accent);
  animation: blink-caret 1s step-end infinite;
}

@keyframes blink-caret {
  0%, 49% { opacity: 1; }
  50%, 100% { opacity: 0; }
}

.hero__subtitle {
  margin-top: 26px;
  font-size: clamp(1rem, 1.6vw, 1.2rem);
  color: var(--text-muted);
  max-width: 46ch;
}

.hero__actions {
  margin-top: 40px;
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 26px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.95rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, border-color 0.2s ease;
  border: 1px solid transparent;
}

.btn--primary {
  background: var(--accent);
  color: #17130a;
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 32px -12px rgba(232, 163, 61, 0.55);
}

.btn--ghost {
  border-color: var(--border);
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.02);
}

.btn--ghost:hover {
  border-color: var(--text-muted);
  transform: translateY(-2px);
}

.btn .icon {
  width: 18px;
  height: 18px;
}

.hero__meta {
  margin-top: 64px;
  display: flex;
  gap: 40px;
  flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-faint);
}

.hero__meta strong {
  color: var(--text-primary);
  font-size: 1.3rem;
  display: block;
  font-family: var(--font-display);
}

/* --- Секция возможностей --- */
.section {
  padding-block: 90px;
  position: relative;
}

.section__head {
  max-width: 640px;
  margin-bottom: 52px;
}

.section__eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 14px;
  display: block;
}

.section__title {
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 3.4vw, 2.4rem);
  font-weight: 600;
  letter-spacing: -0.01em;
}

.section__desc {
  margin-top: 14px;
  color: var(--text-muted);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 18px;
}

.feature-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 26px;
  transition: border-color 0.25s ease, transform 0.25s ease, background 0.25s ease;
}

.feature-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
  background: var(--bg-elevated);
}

.feature-card__icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: var(--bg-elevated-2);
  border: 1px solid var(--border);
  padding: 8px;
  object-fit: contain;
  margin-bottom: 18px;
}

.feature-card__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.02rem;
  margin-bottom: 8px;
}

.feature-card__desc {
  color: var(--text-muted);
  font-size: 0.88rem;
}

/* --- Полоса поддерживаемых технологий --- */
.stack-strip {
  border-top: 1px solid var(--border-soft);
  border-bottom: 1px solid var(--border-soft);
  padding-block: 22px;
  overflow: hidden;
}

.stack-strip__track {
  display: flex;
  gap: 46px;
  width: max-content;
  animation: scroll-left 26s linear infinite;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--text-faint);
  letter-spacing: 0.04em;
}

.stack-strip__track span {
  display: flex;
  align-items: center;
  gap: 10px;
}

.stack-strip__track span .icon {
  color: var(--accent);
}

@keyframes scroll-left {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* --- Footer --- */
.footer {
  border-top: 1px solid var(--border-soft);
  padding-block: 40px;
  color: var(--text-faint);
  font-size: 0.85rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 14px;
}

.footer__brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer__brand img {
  width: 22px;
  height: 22px;
  border-radius: 5px;
}

/* ==========================================================================
   РАБОЧАЯ СТРАНИЦА (home.html) — gPST
   ========================================================================== */

.workspace {
  padding-top: 68px;
  min-height: 100vh;
  background:
    radial-gradient(ellipse 800px 500px at 90% -10%, rgba(232, 163, 61, 0.08), transparent 60%),
    var(--bg-void);
}

.workspace__header {
  padding-block: 34px 26px;
}

.workspace__title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 600;
}

.workspace__subtitle {
  color: var(--text-muted);
  margin-top: 8px;
  font-size: 0.92rem;
  max-width: 60ch;
}

.workspace__grid {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 22px;
  align-items: start;
  padding-bottom: 90px;
}

@media (max-width: 900px) {
  .workspace__grid {
    grid-template-columns: 1fr;
  }
}

.panel {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.panel__head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-soft);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
}

.panel__head .icon {
  color: var(--accent);
  width: 18px;
  height: 18px;
}

.panel__body {
  padding: 20px;
}

/* --- Выбор технологии --- */
.tech-select {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-bottom: 22px;
}

.tech-option {
  position: relative;
}

.tech-option input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.tech-option label {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 14px 8px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  font-size: 0.72rem;
  color: var(--text-muted);
  text-align: center;
  letter-spacing: 0.02em;
  transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease;
}

.tech-option label .icon {
  width: 22px;
  height: 22px;
}

.tech-option label:hover {
  border-color: var(--text-muted);
  color: var(--text-primary);
}

.tech-option input:checked + label {
  border-color: var(--accent);
  color: var(--accent-strong);
  background: var(--accent-soft);
}

.tech-option input:focus-visible + label {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* --- Динамическая форма --- */
.field {
  margin-bottom: 16px;
}

.field label {
  display: block;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 7px;
}

.field input[type="text"],
.field input[type="number"],
.field input[type="password"],
.field select,
.field textarea {
  width: 100%;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 0.86rem;
  transition: border-color 0.2s ease;
}

.field textarea {
  min-height: 74px;
  resize: vertical;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.field--checkbox {
  display: flex;
  align-items: center;
  gap: 10px;
}

.field--checkbox input {
  width: 16px;
  height: 16px;
  accent-color: var(--accent);
}

.field--checkbox label {
  margin: 0;
  color: var(--text-primary);
  font-size: 0.85rem;
}

.field__hint {
  font-size: 0.72rem;
  color: var(--text-faint);
  margin-top: 5px;
}

.form-empty {
  color: var(--text-faint);
  font-size: 0.85rem;
  text-align: center;
  padding: 30px 10px;
  border: 1px dashed var(--border);
  border-radius: var(--radius-md);
}

/* --- Кнопки генерации --- */
.generate-bar {
  display: flex;
  gap: 10px;
  margin-top: 4px;
}

.btn--full {
  width: 100%;
  justify-content: center;
}

/* --- Предпросмотр кода --- */
.editor {
  display: flex;
  flex-direction: column;
  min-height: 520px;
}

.editor__tabs {
  display: flex;
  align-items: center;
  gap: 2px;
  padding: 10px 10px 0;
  border-bottom: 1px solid var(--border-soft);
}

.editor__tab {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-bottom: none;
  border-radius: 8px 8px 0 0;
}

.editor__tab .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
}

.editor__actions {
  margin-left: auto;
  display: flex;
  gap: 8px;
  padding-bottom: 8px;
}

.icon-btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--text-primary);
  font-size: 0.78rem;
  transition: border-color 0.2s ease, background 0.2s ease, transform 0.15s ease;
}

.icon-btn:hover {
  border-color: var(--accent);
  transform: translateY(-1px);
}

.icon-btn .icon {
  width: 15px;
  height: 15px;
}

.icon-btn--success {
  border-color: var(--cyan);
  color: var(--cyan);
}

.editor__body {
  flex: 1;
  position: relative;
  background: var(--bg-void);
  display: flex;
}

.editor__lines {
  padding: 20px 12px;
  text-align: right;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--text-faint);
  user-select: none;
  border-right: 1px solid var(--border-soft);
  white-space: pre;
}

.editor__code {
  flex: 1;
  margin: 0;
  padding: 20px 18px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 1.65;
  color: var(--text-primary);
  white-space: pre;
  overflow: auto;
  tab-size: 2;
}

.editor__code .tok-key { color: var(--accent-strong); }
.editor__code .tok-str { color: var(--cyan); }
.editor__code .tok-com { color: var(--text-faint); font-style: italic; }
.editor__code .tok-punc { color: var(--text-muted); }

.editor__placeholder {
  padding: 60px 20px;
  text-align: center;
  color: var(--text-faint);
  font-size: 0.88rem;
  margin: auto;
}

.editor__placeholder .icon {
  width: 40px;
  height: 40px;
  margin-bottom: 14px;
  color: var(--border);
}

.editor__status {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 18px;
  border-top: 1px solid var(--border-soft);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-faint);
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.status-pill .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--text-faint);
}

.status-pill.is-saved .dot {
  background: var(--cyan);
}

.badge-anim {
  width: 20px;
  height: 20px;
  border-radius: 5px;
  overflow: hidden;
  opacity: 0;
  transform: scale(0.6);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.badge-anim.is-visible {
  opacity: 1;
  transform: scale(1);
}

.badge-anim video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* --- ИИ-ассистент --- */
.ai-panel {
  margin-top: 22px;
  border: 1px solid var(--cyan);
  background: linear-gradient(180deg, var(--cyan-soft), transparent 60%);
}

.ai-panel[hidden] {
  display: none;
}

.ai-panel .panel__head {
  border-bottom-color: rgba(79, 209, 197, 0.25);
}

.ai-panel .panel__head .icon {
  color: var(--cyan);
}

.ai-panel__status {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--cyan);
  display: flex;
  align-items: center;
  gap: 6px;
}

.ai-panel__status .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan);
  animation: pulse-dot 1.6s ease-in-out infinite;
}

.ai-panel__desc {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-bottom: 14px;
}

.ai-suggestion {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  padding: 12px 14px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 10px;
}

.ai-suggestion__text {
  font-size: 0.82rem;
}

.ai-suggestion__field {
  font-family: var(--font-mono);
  color: var(--accent-strong);
  font-size: 0.76rem;
  display: block;
  margin-bottom: 3px;
}

.ai-suggestion__apply {
  flex-shrink: 0;
  padding: 7px 12px;
  font-size: 0.74rem;
  border-radius: 6px;
  border: 1px solid var(--cyan);
  color: var(--cyan);
  background: transparent;
}

.ai-suggestion__apply:hover {
  background: var(--cyan-soft);
}

/* --- Лог отправки в БД (для наглядности заглушки) --- */
.sync-log {
  margin-top: 22px;
}

.sync-log__list {
  list-style: none;
  max-height: 160px;
  overflow-y: auto;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-faint);
}

.sync-log__list li {
  padding: 8px 0;
  border-bottom: 1px solid var(--border-soft);
  display: flex;
  gap: 10px;
}

.sync-log__list li:last-child {
  border-bottom: none;
}

.sync-log__list .icon {
  width: 13px;
  height: 13px;
  color: var(--cyan);
  flex-shrink: 0;
  margin-top: 2px;
}

.sync-log__empty {
  color: var(--text-faint);
  font-size: 0.78rem;
}

/* --- Toast --- */
.toast {
  position: fixed;
  bottom: 26px;
  right: 26px;
  z-index: 100;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 13px 18px;
  border-radius: var(--radius-md);
  background: var(--bg-elevated);
  border: 1px solid var(--cyan);
  color: var(--text-primary);
  font-size: 0.85rem;
  box-shadow: var(--shadow-lift);
  transform: translateY(20px);
  opacity: 0;
  pointer-events: none;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.toast.is-visible {
  transform: translateY(0);
  opacity: 1;
}

.toast .icon {
  color: var(--cyan);
  width: 18px;
  height: 18px;
}

/* --------------------------------------------------------------------------
   Утилиты и адаптив
   -------------------------------------------------------------------------- */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}

@media (max-width: 620px) {
  .hero__meta { gap: 24px; }
  .tech-select { grid-template-columns: repeat(2, 1fr); }
  .footer { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}