/* ═══════════════════════════════════════════════════════════
   DarkGPT Premium App — Chat · Abonnement · Paramètres
   Identity: red accent on near-black. 2026 SaaS.
   ═══════════════════════════════════════════════════════════ */

:root {
  --dg-bg: #050506;
  --dg-bg-2: #0b0d13;
  --dg-accent: #ff3d57;
  --dg-accent-hover: #ff5b72;
  --dg-border: rgba(255, 70, 90, 0.15);
  --dg-glow: 0 0 60px rgba(255, 40, 70, 0.12);
  --dg-glass: rgba(11, 13, 19, 0.72);
  --dg-glass-2: rgba(255, 255, 255, 0.03);
  --dg-text: #f4f4f5;
  --dg-muted: rgba(244, 244, 245, 0.55);
  --dg-muted-2: rgba(244, 244, 245, 0.35);
  --dg-radius: 20px;
  --dg-radius-lg: 24px;
  --dg-radius-pill: 999px;
  --dg-ease: cubic-bezier(0.22, 1, 0.36, 1);
  --dg-t: 250ms;
  --dg-sidebar: 280px;
  --dg-font: "Inter", system-ui, -apple-system, sans-serif;
}

/* ── Base shells ─────────────────────────────────────────── */

body.app-chat,
body.page-subscription {
  margin: 0;
  min-height: 100dvh;
  background: var(--dg-bg);
  color: var(--dg-text);
  font-family: var(--dg-font);
  -webkit-font-smoothing: antialiased;
  scroll-behavior: smooth;
}

body.app-chat {
  overflow: hidden;
}

.dg-noise {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 0;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.dg-halo {
  pointer-events: none;
  position: fixed;
  width: 720px;
  height: 720px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 61, 87, 0.14) 0%, transparent 68%);
  filter: blur(40px);
  z-index: 0;
}

.dg-halo--tl {
  top: -220px;
  left: -160px;
}

.dg-halo--br {
  right: -200px;
  bottom: -280px;
  opacity: 0.7;
}

/* ── App shell ───────────────────────────────────────────── */

.app-shell--gpt {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: var(--dg-sidebar) 1fr;
  height: 100dvh;
  background: transparent;
}

/* ── Sidebar ─────────────────────────────────────────────── */

.gpt-sidebar {
  display: flex;
  flex-direction: column;
  gap: 0;
  padding: 20px 14px 16px;
  background: linear-gradient(180deg, rgba(11, 13, 19, 0.92), rgba(5, 5, 6, 0.96));
  border-right: 1px solid var(--dg-border);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  overflow: hidden;
}

.gpt-sidebar__top {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 0 6px 8px;
}

.gpt-sidebar__top-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.gpt-sidebar__brand {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.gpt-sidebar__brand-dark {
  color: var(--dg-text);
}

.gpt-sidebar__brand-gpt {
  color: var(--dg-accent);
}

.gpt-newchat {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  height: 44px;
  border-radius: var(--dg-radius-pill);
  border: 1px solid var(--dg-border);
  background: linear-gradient(180deg, rgba(255, 61, 87, 0.16), rgba(255, 61, 87, 0.06));
  color: var(--dg-text);
  font: 600 0.9rem/1 var(--dg-font);
  cursor: pointer;
  box-shadow: var(--dg-glow);
  transition: transform var(--dg-t) var(--dg-ease), background var(--dg-t) var(--dg-ease),
    border-color var(--dg-t) var(--dg-ease);
}

.gpt-newchat:hover {
  background: linear-gradient(180deg, rgba(255, 61, 87, 0.28), rgba(255, 61, 87, 0.1));
  border-color: rgba(255, 91, 114, 0.35);
  transform: translateY(-1px);
}

.gpt-sidebar__tools {
  padding: 8px 6px 12px;
}

.gpt-history-filter {
  width: 100%;
  height: 40px;
  padding: 0 14px;
  border-radius: var(--dg-radius-pill);
  border: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(255, 255, 255, 0.03);
  color: var(--dg-text);
  font: 500 0.85rem/1 var(--dg-font);
  outline: none;
  transition: border-color var(--dg-t) var(--dg-ease), background var(--dg-t) var(--dg-ease);
}

.gpt-history-filter:focus {
  border-color: var(--dg-border);
  background: rgba(255, 255, 255, 0.05);
}

.gpt-sidebar__section {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  padding: 4px 0;
}

.gpt-sidebar__section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 10px 10px;
}

.gpt-sidebar__title {
  margin: 0;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--dg-muted-2);
}

.gpt-icon-btn {
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border: 0;
  border-radius: 10px;
  background: transparent;
  color: var(--dg-muted);
  cursor: pointer;
  transition: background var(--dg-t) var(--dg-ease), color var(--dg-t) var(--dg-ease);
}

.gpt-icon-btn:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--dg-text);
}

.gpt-history {
  flex: 1;
  overflow-y: auto;
  padding: 0 4px 12px;
  scrollbar-width: thin;
  scrollbar-color: rgba(255, 61, 87, 0.25) transparent;
}

.gpt-history__item {
  position: relative;
  display: grid;
  grid-template-columns: 36px 1fr auto;
  align-items: center;
  gap: 10px;
  width: 100%;
  margin: 0 0 4px;
  padding: 10px 12px 10px 14px;
  border: 0;
  border-radius: 16px;
  background: transparent;
  color: var(--dg-text);
  text-align: left;
  cursor: pointer;
  transition: background var(--dg-t) var(--dg-ease), transform var(--dg-t) var(--dg-ease);
}

.gpt-history__item::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 20%;
  bottom: 20%;
  width: 2px;
  border-radius: 2px;
  background: transparent;
  transition: background var(--dg-t) var(--dg-ease);
}

.gpt-history__item:hover {
  background: rgba(255, 255, 255, 0.04);
  transform: translateX(2px);
}

.gpt-history__item.is-active {
  background: rgba(255, 61, 87, 0.08);
}

.gpt-history__item.is-active::before {
  background: var(--dg-accent);
  box-shadow: 0 0 12px rgba(255, 61, 87, 0.45);
}

.gpt-history__icon {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.05);
  color: var(--dg-muted);
  flex-shrink: 0;
}

.gpt-history__item.is-active .gpt-history__icon {
  color: var(--dg-accent);
  border-color: var(--dg-border);
  background: rgba(255, 61, 87, 0.1);
}

.gpt-history__meta {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.gpt-history__title {
  font-size: 0.875rem;
  font-weight: 550;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.gpt-history__date {
  font-size: 0.72rem;
  color: var(--dg-muted-2);
}

.gpt-history__del {
  opacity: 0;
  width: 28px;
  height: 28px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--dg-muted);
  cursor: pointer;
  transition: opacity var(--dg-t) var(--dg-ease), background var(--dg-t) var(--dg-ease);
}

.gpt-history__item:hover .gpt-history__del,
.gpt-history__item:focus-within .gpt-history__del {
  opacity: 1;
}

.gpt-history__del:hover {
  background: rgba(255, 61, 87, 0.12);
  color: var(--dg-accent-hover);
}

.gpt-sidebar__bottom {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 12px 6px 4px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.gpt-side-link--row {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 11px 12px;
  border: 0;
  border-radius: 14px;
  background: transparent;
  color: var(--dg-muted);
  font: 550 0.875rem/1 var(--dg-font);
  text-decoration: none;
  cursor: pointer;
  transition: background var(--dg-t) var(--dg-ease), color var(--dg-t) var(--dg-ease);
}

.gpt-side-link--row:hover {
  background: rgba(255, 255, 255, 0.04);
  color: var(--dg-text);
}

.gpt-side-link--danger:hover {
  background: rgba(255, 61, 87, 0.1);
  color: var(--dg-accent-hover);
}

.gpt-tool {
  display: none;
}

/* ── Main stage ──────────────────────────────────────────── */

.app-main--gpt {
  position: relative;
  display: flex;
  flex-direction: column;
  min-width: 0;
  background:
    radial-gradient(900px 480px at 70% -10%, rgba(255, 61, 87, 0.07), transparent 60%),
    var(--dg-bg);
}

.app-topbar--gpt {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  padding: 0 28px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  background: rgba(5, 5, 6, 0.55);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  z-index: 5;
}

.app-model-pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  height: 36px;
  padding: 0 14px;
  border-radius: var(--dg-radius-pill);
  border: 1px solid var(--dg-border);
  background: rgba(255, 255, 255, 0.03);
  color: var(--dg-text);
  font: 600 0.8rem/1 var(--dg-font);
  cursor: pointer;
  transition: border-color var(--dg-t) var(--dg-ease), background var(--dg-t) var(--dg-ease);
}

.app-model-pill:hover {
  border-color: rgba(255, 91, 114, 0.35);
  background: rgba(255, 61, 87, 0.08);
}

.app-model-pill__status {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #3dd68c;
  box-shadow: 0 0 8px rgba(61, 214, 140, 0.55);
}

.app-model-pill__status.is-offline {
  background: #666;
  box-shadow: none;
}

.app-model-pill__status.is-degraded {
  background: #f5a524;
}

.app-stage {
  position: relative;
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
  padding: 0 0 28px;
  overflow: visible;
}

/* Empty / hero */

.app-empty {
  position: absolute;
  inset: 0 0 140px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px 24px 80px;
  pointer-events: none;
  opacity: 1;
  transform: translateY(0);
  transition: opacity 400ms var(--dg-ease), transform 400ms var(--dg-ease), visibility 400ms;
  z-index: 2;
}

.app-empty.is-hidden {
  opacity: 0;
  visibility: hidden;
  transform: translateY(-12px);
  pointer-events: none;
}

.app-empty__inner {
  pointer-events: auto;
  width: min(720px, 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 36px;
  animation: dg-fade-up 500ms var(--dg-ease) both;
}

.app-empty__title {
  margin: 0;
  font-size: clamp(2rem, 4.5vw, 3.1rem);
  font-weight: 700;
  letter-spacing: -0.045em;
  line-height: 1.1;
  text-align: center;
  background: linear-gradient(180deg, #fff 30%, rgba(255, 255, 255, 0.65));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.app-empty__sub {
  display: none;
}

.dg-suggestions {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  width: 100%;
}

.dg-suggestion {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 20px 18px;
  border-radius: var(--dg-radius);
  border: 1px solid rgba(255, 255, 255, 0.06);
  background: var(--dg-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.35), var(--dg-glow);
  color: var(--dg-text);
  text-align: left;
  cursor: pointer;
  transition: transform var(--dg-t) var(--dg-ease), border-color var(--dg-t) var(--dg-ease),
    box-shadow var(--dg-t) var(--dg-ease), background var(--dg-t) var(--dg-ease);
}

.dg-suggestion:hover {
  transform: translateY(-4px) scale(1.015);
  border-color: rgba(255, 61, 87, 0.28);
  background: rgba(255, 61, 87, 0.06);
  box-shadow: 0 28px 60px rgba(0, 0, 0, 0.4), 0 0 40px rgba(255, 40, 70, 0.14);
}

.dg-suggestion__icon {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: rgba(255, 61, 87, 0.1);
  border: 1px solid var(--dg-border);
  color: var(--dg-accent);
}

.dg-suggestion__title {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.dg-suggestion__desc {
  margin: 0;
  font-size: 0.8rem;
  line-height: 1.45;
  color: var(--dg-muted);
}

/* Chat messages */

.chat--gpt {
  flex: 1;
  overflow-y: auto;
  padding: 28px clamp(16px, 4vw, 48px) 24px;
  scroll-behavior: smooth;
  scrollbar-width: thin;
  scrollbar-color: rgba(255, 61, 87, 0.2) transparent;
}

.chat--gpt .msg {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr);
  gap: 14px 16px;
  max-width: 820px;
  margin: 0 auto 28px;
  padding: 0;
  animation: dg-msg-in 320ms var(--dg-ease) both;
}

.chat--gpt .msg-avatar {
  width: 36px;
  height: 36px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  font-size: 0.75rem;
  font-weight: 700;
  flex-shrink: 0;
  border: 1px solid rgba(255, 255, 255, 0.06);
  box-sizing: border-box;
}

.chat--gpt .msg.user .msg-avatar {
  background: rgba(255, 255, 255, 0.06);
  color: var(--dg-muted);
}

.chat--gpt .msg.assistant .msg-avatar {
  background: linear-gradient(145deg, rgba(255, 61, 87, 0.35), rgba(255, 61, 87, 0.08));
  border-color: var(--dg-border);
  color: #fff;
  box-shadow: var(--dg-glow);
}

.chat--gpt .msg.assistant .msg-avatar.msg-avatar--mark {
  background: transparent;
  border: none;
  box-shadow: none;
  border-radius: 0;
  overflow: visible;
}

.chat--gpt .msg-avatar.msg-avatar--mark .msg-avatar__mark {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: transparent;
}

.chat--gpt .msg-body {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.chat--gpt .msg-label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--dg-muted);
  letter-spacing: -0.01em;
}

.chat--gpt .msg-bubble {
  padding: 16px 18px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(12px);
  line-height: 1.6;
  font-size: 0.95rem;
}

.chat--gpt .msg.user .msg-bubble {
  background: rgba(255, 61, 87, 0.08);
  border-color: rgba(255, 61, 87, 0.12);
}

.chat--gpt .msg-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding-left: 2px;
}

.chat--gpt .msg-time,
.chat--gpt .msg-latency {
  font-size: 0.72rem;
  color: var(--dg-muted-2);
}

.chat--gpt .msg-action {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--dg-muted-2);
  font: 500 0.72rem/1 var(--dg-font);
  cursor: pointer;
  transition: color var(--dg-t) var(--dg-ease), background var(--dg-t) var(--dg-ease),
    border-color var(--dg-t) var(--dg-ease);
}

.chat--gpt .msg-action:hover {
  color: var(--dg-text);
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.06);
}

.chat--gpt .msg-copy.is-copied {
  color: #3dd68c;
}

.chat--gpt .thinking .msg-bubble--thinking {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Composer */

.composer--gpt {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: end;
  gap: 8px;
  padding: 10px 12px 10px 14px;
  border-radius: var(--dg-radius-pill);
  border: 1px solid var(--dg-border);
  background: rgba(11, 13, 19, 0.78);
  backdrop-filter: blur(28px);
  -webkit-backdrop-filter: blur(28px);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.45), var(--dg-glow);
  transition: border-color var(--dg-t) var(--dg-ease), box-shadow var(--dg-t) var(--dg-ease);
  overflow: visible;
}

.composer-wrap--gpt {
  position: relative;
  z-index: 4;
  width: min(820px, calc(100% - 40px));
  margin: 0 auto;
  padding: 0;
  overflow: visible;
}

.composer-mode-menu:not([hidden]) {
  display: block !important;
}

.composer-mode-menu {
  position: absolute;
  right: 0;
  bottom: calc(100% + 10px);
  margin: 0;
  padding: 6px;
  list-style: none;
  min-width: 168px;
  border-radius: 16px;
  border: 1px solid var(--dg-border);
  background: rgba(11, 13, 19, 0.97);
  backdrop-filter: blur(20px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.55);
  z-index: 120;
}

.composer--gpt:focus-within {
  border-color: rgba(255, 91, 114, 0.35);
  box-shadow: 0 28px 90px rgba(0, 0, 0, 0.5), 0 0 80px rgba(255, 40, 70, 0.16);
}

.composer-tools {
  display: flex;
  align-items: center;
  gap: 4px;
  padding-bottom: 4px;
}

.composer-icon-btn {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border: 0;
  border-radius: 50%;
  background: transparent;
  color: var(--dg-muted);
  cursor: pointer;
  transition: background var(--dg-t) var(--dg-ease), color var(--dg-t) var(--dg-ease),
    transform var(--dg-t) var(--dg-ease);
}

.composer-icon-btn:hover {
  background: rgba(255, 255, 255, 0.06);
  color: var(--dg-text);
  transform: scale(1.05);
}

.composer-field {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 6px 4px;
}

.composer-input {
  width: 100%;
  min-height: 28px;
  max-height: 160px;
  resize: none;
  border: 0;
  outline: none;
  background: transparent;
  color: var(--dg-text);
  font: 500 1rem/1.45 var(--dg-font);
}

.composer-input::placeholder {
  color: var(--dg-muted-2);
}

.composer-hint {
  display: none;
}

.composer-right {
  position: relative;
  display: flex;
  align-items: center;
  gap: 6px;
  padding-bottom: 4px;
  overflow: visible;
  z-index: 5;
}

.composer-mode-dropdown {
  position: relative;
}

.composer-mode-trigger {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 36px;
  padding: 0 12px;
  border-radius: var(--dg-radius-pill);
  border: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(255, 255, 255, 0.03);
  color: var(--dg-muted);
  font: 550 0.75rem/1 var(--dg-font);
  cursor: pointer;
  transition: border-color var(--dg-t) var(--dg-ease), color var(--dg-t) var(--dg-ease);
}

.composer-mode-trigger:hover {
  border-color: var(--dg-border);
  color: var(--dg-text);
}

.composer-mode-menu {
  position: absolute;
  right: 0;
  bottom: calc(100% + 8px);
  margin: 0;
  padding: 6px;
  list-style: none;
  min-width: 160px;
  border-radius: 16px;
  border: 1px solid var(--dg-border);
  background: rgba(11, 13, 19, 0.95);
  backdrop-filter: blur(20px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
  z-index: 20;
}

.composer-mode-option {
  width: 100%;
  text-align: left;
  padding: 10px 12px;
  border: 0;
  border-radius: 12px;
  background: transparent;
  color: var(--dg-text);
  font: 500 0.85rem/1 var(--dg-font);
  cursor: pointer;
}

.composer-mode-option:hover,
.composer-mode-option.is-selected {
  background: rgba(255, 61, 87, 0.12);
  color: var(--dg-accent-hover);
}

.composer-count {
  display: none;
}

.composer-send {
  width: 42px;
  height: 42px;
  min-width: 42px;
  min-height: 42px;
  aspect-ratio: 1 / 1;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  align-self: center;
  flex-shrink: 0;
  border: 0;
  border-radius: 50%;
  background: linear-gradient(145deg, var(--dg-accent-hover), var(--dg-accent));
  color: #fff;
  cursor: pointer;
  box-sizing: border-box;
  line-height: 0;
  box-shadow: 0 8px 24px rgba(255, 61, 87, 0.35);
  transition: transform var(--dg-t) var(--dg-ease), filter var(--dg-t) var(--dg-ease),
    opacity var(--dg-t) var(--dg-ease);
}

.composer-send:hover:not(:disabled) {
  transform: scale(1.06);
  filter: brightness(1.06);
}

.composer-send:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.composer-stop {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid var(--dg-border);
  background: rgba(255, 61, 87, 0.12);
  color: var(--dg-accent);
  cursor: pointer;
}

.composer-stop.hidden {
  display: none;
}

.chat-lock--gpt {
  display: none;
}

.status--app {
  text-align: center;
  font-size: 0.78rem;
  color: var(--dg-muted-2);
  margin: 10px 0 0;
  min-height: 1.2em;
}

/* Settings panel (850px) */

.settings-panel {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  opacity: 1;
  transition: opacity var(--dg-t) var(--dg-ease);
}

.settings-panel.hidden {
  display: none;
}

.settings-panel__card {
  position: relative;
  width: min(850px, 100%);
  max-height: min(88dvh, 900px);
  overflow: auto;
  border-radius: var(--dg-radius-lg);
  border: 1px solid var(--dg-border);
  background: linear-gradient(165deg, rgba(14, 16, 24, 0.96), rgba(8, 9, 14, 0.98));
  box-shadow: 0 40px 100px rgba(0, 0, 0, 0.55), var(--dg-glow);
  padding: 36px 40px 40px;
  animation: dg-scale-in 280ms var(--dg-ease) both;
  scrollbar-width: thin;
}

.settings-panel__head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 32px;
}

.settings-panel__eyebrow {
  margin: 0 0 6px;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--dg-accent);
  font-weight: 600;
}

.settings-panel__title {
  margin: 0;
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.035em;
}

.settings-panel__sub {
  margin: 8px 0 0;
  color: var(--dg-muted);
  font-size: 0.9rem;
}

.settings-section {
  padding: 24px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  animation: dg-fade-up 400ms var(--dg-ease) both;
}

.settings-section:nth-child(2) {
  animation-delay: 40ms;
}
.settings-section:nth-child(3) {
  animation-delay: 80ms;
}
.settings-section:nth-child(4) {
  animation-delay: 120ms;
}
.settings-section:nth-child(5) {
  animation-delay: 160ms;
}
.settings-section:nth-child(6) {
  animation-delay: 200ms;
}

.settings-section__head {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 14px;
  margin-bottom: 18px;
}

.settings-section__icon {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: rgba(255, 61, 87, 0.1);
  border: 1px solid var(--dg-border);
  color: var(--dg-accent);
}

.settings-section__title {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 650;
  letter-spacing: -0.02em;
}

.settings-section__desc {
  margin: 4px 0 0;
  font-size: 0.85rem;
  color: var(--dg-muted);
  line-height: 1.45;
}

.settings-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 16px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.025);
  border: 1px solid rgba(255, 255, 255, 0.04);
  margin-bottom: 8px;
}

.settings-row span {
  font-size: 0.9rem;
  font-weight: 500;
}

/* Modern switch */

.dg-switch {
  position: relative;
  width: 46px;
  height: 28px;
  flex-shrink: 0;
}

.dg-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.dg-switch__track {
  position: absolute;
  inset: 0;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.06);
  cursor: pointer;
  transition: background var(--dg-t) var(--dg-ease);
}

.dg-switch__track::after {
  content: "";
  position: absolute;
  top: 3px;
  left: 3px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.35);
  transition: transform var(--dg-t) var(--dg-ease);
}

.dg-switch input:checked + .dg-switch__track {
  background: linear-gradient(90deg, var(--dg-accent), var(--dg-accent-hover));
  border-color: transparent;
}

.dg-switch input:checked + .dg-switch__track::after {
  transform: translateX(18px);
}

.dg-export-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.dg-export-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 14px;
  padding: 18px 16px;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(255, 255, 255, 0.03);
  color: var(--dg-text);
  cursor: pointer;
  text-align: left;
  transition: transform var(--dg-t) var(--dg-ease), border-color var(--dg-t) var(--dg-ease),
    background var(--dg-t) var(--dg-ease), box-shadow var(--dg-t) var(--dg-ease);
}

.dg-export-card:hover {
  transform: translateY(-3px);
  border-color: rgba(255, 61, 87, 0.3);
  background: rgba(255, 61, 87, 0.07);
  box-shadow: var(--dg-glow);
}

.dg-export-card__icon {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: rgba(255, 61, 87, 0.12);
  color: var(--dg-accent);
}

.dg-export-card strong {
  font-size: 0.9rem;
}

.dg-export-card span {
  font-size: 0.75rem;
  color: var(--dg-muted);
}

.dg-btn-gradient {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 44px;
  padding: 0 22px;
  border: 0;
  border-radius: var(--dg-radius-pill);
  background: linear-gradient(135deg, var(--dg-accent-hover), var(--dg-accent));
  color: #fff;
  font: 600 0.9rem/1 var(--dg-font);
  cursor: pointer;
  text-decoration: none;
  box-shadow: 0 10px 30px rgba(255, 61, 87, 0.28);
  transition: transform var(--dg-t) var(--dg-ease), filter var(--dg-t) var(--dg-ease);
}

.dg-btn-gradient:hover {
  transform: translateY(-1px);
  filter: brightness(1.05);
}

.dg-btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 44px;
  padding: 0 20px;
  border-radius: var(--dg-radius-pill);
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.03);
  color: var(--dg-text);
  font: 550 0.875rem/1 var(--dg-font);
  cursor: pointer;
  text-decoration: none;
  transition: border-color var(--dg-t) var(--dg-ease), background var(--dg-t) var(--dg-ease);
}

.dg-btn-ghost:hover {
  border-color: var(--dg-border);
  background: rgba(255, 255, 255, 0.06);
}

/* ── Subscription page ───────────────────────────────────── */

.page-subscription {
  position: relative;
  overflow-x: hidden;
}

.subs-shell {
  position: relative;
  z-index: 1;
  width: min(1120px, calc(100% - 48px));
  margin: 0 auto;
  padding: 48px 0 96px;
}

.subs-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 48px;
}

.subs-nav .logo {
  font-size: 1.2rem;
  font-weight: 700;
  text-decoration: none;
  color: var(--dg-text);
  letter-spacing: -0.03em;
}

.subs-nav .logo span {
  color: var(--dg-accent);
}

.subs-hero {
  margin-bottom: 48px;
  animation: dg-fade-up 450ms var(--dg-ease) both;
}

.subs-hero__eyebrow {
  margin: 0 0 12px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--dg-accent);
}

.subs-hero h1 {
  margin: 0;
  font-size: clamp(2.4rem, 5vw, 3.4rem);
  font-weight: 750;
  letter-spacing: -0.045em;
  line-height: 1.05;
}

.subs-hero p {
  margin: 14px 0 0;
  max-width: 480px;
  color: var(--dg-muted);
  font-size: 1.05rem;
  line-height: 1.5;
}

.subs-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 56px;
}

.subs-stat {
  position: relative;
  padding: 28px 24px 26px;
  border-radius: var(--dg-radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.06);
  background: var(--dg-glass);
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.35), var(--dg-glow);
  overflow: hidden;
  transition: transform var(--dg-t) var(--dg-ease), border-color var(--dg-t) var(--dg-ease);
  animation: dg-fade-up 500ms var(--dg-ease) both;
}

.subs-stat:nth-child(2) {
  animation-delay: 60ms;
}
.subs-stat:nth-child(3) {
  animation-delay: 120ms;
}
.subs-stat:nth-child(4) {
  animation-delay: 180ms;
}

.subs-stat:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 61, 87, 0.25);
}

.subs-stat__label {
  margin: 0 0 18px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--dg-muted-2);
}

.subs-stat__value {
  margin: 0;
  font-size: clamp(1.6rem, 3vw, 2.35rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1.1;
}

.subs-stat__value.is-ok {
  color: #3dd68c;
}

.subs-stat__value.is-warn {
  color: #f5a524;
}

.subs-block {
  margin-bottom: 56px;
  animation: dg-fade-up 550ms var(--dg-ease) both;
}

.subs-block__title {
  margin: 0 0 8px;
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.subs-block__sub {
  margin: 0 0 24px;
  color: var(--dg-muted);
  font-size: 0.95rem;
}

.subs-info-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.subs-info-card {
  padding: 22px 22px 20px;
  border-radius: var(--dg-radius);
  border: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(16px);
  transition: border-color var(--dg-t) var(--dg-ease), transform var(--dg-t) var(--dg-ease);
}

.subs-info-card:hover {
  border-color: var(--dg-border);
  transform: translateY(-2px);
}

.subs-info-card h3 {
  margin: 0 0 8px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--dg-muted-2);
}

.subs-info-card p {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 550;
  letter-spacing: -0.02em;
  word-break: break-all;
}

.subs-actions {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.subs-action {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 56px;
  padding: 16px 20px;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.07);
  background: rgba(255, 255, 255, 0.03);
  color: var(--dg-text);
  font: 600 0.95rem/1 var(--dg-font);
  text-decoration: none;
  cursor: pointer;
  transition: transform var(--dg-t) var(--dg-ease), border-color var(--dg-t) var(--dg-ease),
    background var(--dg-t) var(--dg-ease), box-shadow var(--dg-t) var(--dg-ease);
}

.subs-action:hover {
  transform: translateY(-2px);
  border-color: rgba(255, 61, 87, 0.28);
  background: rgba(255, 61, 87, 0.08);
  box-shadow: var(--dg-glow);
}

.subs-action--primary {
  border: 0;
  background: linear-gradient(135deg, var(--dg-accent-hover), var(--dg-accent));
  box-shadow: 0 12px 36px rgba(255, 61, 87, 0.3);
}

.subs-action--primary:hover {
  filter: brightness(1.05);
  background: linear-gradient(135deg, var(--dg-accent-hover), var(--dg-accent));
}

.subscription-error {
  color: var(--dg-accent-hover);
}

/* Hide legacy marketing chrome on subscription when using new shell */
.page-subscription .topbar,
.page-subscription .page-hero,
.page-subscription .section,
.page-subscription .site-footer {
  display: none;
}

.page-subscription .subs-shell ~ * {
  display: none;
}

/* Mobile */

.demo-mobile-menu-toggle {
  display: none;
  width: 40px;
  height: 40px;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  border: 0;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.04);
  cursor: pointer;
  padding: 10px;
}

.demo-mobile-menu-toggle span {
  display: block;
  height: 2px;
  background: var(--dg-text);
  border-radius: 2px;
}

.demo-mobile-menu-close {
  display: none;
  width: 36px;
  height: 36px;
  border: 0;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--dg-text);
  cursor: pointer;
}

@media (max-width: 980px) {
  .dg-suggestions {
    grid-template-columns: 1fr;
  }

  .subs-stats {
    grid-template-columns: repeat(2, 1fr);
  }

  .dg-export-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .settings-panel__card {
    padding: 28px 22px;
  }
}

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

  .gpt-sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    width: min(300px, 88vw);
    z-index: 40;
    transform: translateX(-105%);
    transition: transform var(--dg-t) var(--dg-ease);
    box-shadow: 20px 0 60px rgba(0, 0, 0, 0.5);
  }

  body.demo-menu-open .gpt-sidebar {
    transform: translateX(0);
  }

  .demo-mobile-menu-toggle,
  .demo-mobile-menu-close {
    display: inline-flex;
  }

  .demo-mobile-menu-toggle {
    display: flex;
  }

  .app-topbar-left {
    display: flex;
    align-items: center;
    gap: 10px;
  }

  .composer-wrap--gpt {
    width: calc(100% - 24px);
  }

  .subs-stats,
  .subs-info-grid,
  .subs-actions {
    grid-template-columns: 1fr;
  }

  .subs-shell {
    width: calc(100% - 32px);
    padding-top: 28px;
  }
}

/* Keyframes */

@keyframes dg-fade-up {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes dg-scale-in {
  from {
    opacity: 0;
    transform: scale(0.96) translateY(10px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

@keyframes dg-msg-in {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Toast */

.dg-toast {
  position: fixed;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  z-index: 100;
  padding: 12px 18px;
  border-radius: 999px;
  border: 1px solid var(--dg-border);
  background: rgba(11, 13, 19, 0.92);
  backdrop-filter: blur(16px);
  color: var(--dg-text);
  font: 550 0.85rem/1 var(--dg-font);
  box-shadow: var(--dg-glow);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dg-t) var(--dg-ease), transform var(--dg-t) var(--dg-ease);
}

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