/* ===================================================================
   RepostAI — Monochrome Dark Theme
   Typography: Space Mono (display) + Instrument Sans (body)
   Palette: Pure black/white/gray only
   =================================================================== */

/* --- Reset & Variables --- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}

:root {
  /* Grays — 12 steps from black to white */
  --g0:  #000000;
  --g1:  #0a0a0a;
  --g2:  #111111;
  --g3:  #191919;
  --g4:  #222222;
  --g5:  #333333;
  --g6:  #555555;
  --g7:  #777777;
  --g8:  #999999;
  --g9:  #bbbbbb;
  --g10: #dddddd;
  --g11: #f0f0f0;
  --g12: #ffffff;

  /* Semantic */
  --bg:         var(--g1);
  --bg-raised:  var(--g2);
  --bg-hover:   var(--g3);
  --bg-active:  var(--g4);
  --border:     var(--g4);
  --border-dim: var(--g3);
  --text:       var(--g11);
  --text-dim:   var(--g7);
  --text-muted: var(--g6);
  --accent:     var(--g12);

  /* Typography */
  --font-display: 'Space Mono', monospace;
  --font-body:    'Instrument Sans', -apple-system, sans-serif;

  /* Sizes */
  --nav-h: 56px;
  --sidebar-w: 260px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 20px;

  /* Transitions */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --dur: 0.2s;
}

html {
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
  min-height: 100vh;
  overflow-x: hidden;
}

/* Subtle noise texture on body */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.018;
  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='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='256' height='256' filter='url(%23n)' opacity='1'/%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 256px 256px;
}

a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
input, textarea { font-family: inherit; color: inherit; }
::selection { background: var(--g5); color: var(--g12); }
:focus-visible { outline: 1px solid var(--g6); outline-offset: 2px; }

/* Scrollbar */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--g4); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--g5); }

/* ===================================================================
   NAV
   =================================================================== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--nav-h);
  background: rgba(10,10,10,0.85);
  backdrop-filter: blur(20px) saturate(1.2);
  -webkit-backdrop-filter: blur(20px) saturate(1.2);
  border-bottom: 1px solid var(--border-dim);
}

.nav__inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--g12);
  flex-shrink: 0;
}

.nav__logo-icon { opacity: 0.9; }

.nav__links {
  display: flex;
  gap: 4px;
}

.nav__link {
  padding: 6px 14px;
  font-size: 0.87rem;
  font-weight: 500;
  color: var(--text-dim);
  border-radius: var(--radius-sm);
  transition: color var(--dur), background var(--dur);
}
.nav__link:hover { color: var(--text); background: var(--bg-hover); }
.nav__link--active { color: var(--g12); background: var(--bg-active); }

.nav__right {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 16px;
}

.nav__usage {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  color: var(--text-muted);
}
.nav__usage-count {
  font-family: var(--font-display);
  font-size: 0.82rem;
  color: var(--text-dim);
}

.nav__avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-dim);
  transition: border-color var(--dur), color var(--dur);
}
.nav__avatar:hover { border-color: var(--g6); color: var(--text); }

.nav__mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  padding: 4px;
}
.nav__mobile-toggle span {
  display: block;
  width: 18px;
  height: 1.5px;
  background: var(--text-dim);
  transition: transform 0.3s var(--ease-out), opacity 0.2s;
}
.nav__mobile-toggle.open span:nth-child(1) { transform: translateY(5.5px) rotate(45deg); }
.nav__mobile-toggle.open span:nth-child(2) { opacity: 0; }
.nav__mobile-toggle.open span:nth-child(3) { transform: translateY(-5.5px) rotate(-45deg); }

/* ===================================================================
   LAYOUT
   =================================================================== */
.page {
  padding-top: var(--nav-h);
  min-height: 100vh;
  animation: pageIn 0.35s var(--ease-out) both;
}

@keyframes pageIn {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: none; }
}

.app-layout {
  display: flex;
  max-width: 1400px;
  margin: 0 auto;
}

/* --- Sidebar --- */
.sidebar {
  width: var(--sidebar-w);
  flex-shrink: 0;
  padding: 24px 16px;
  border-right: 1px solid var(--border-dim);
  height: calc(100vh - var(--nav-h));
  position: sticky;
  top: var(--nav-h);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}

.sidebar__heading {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  padding: 0 8px;
  margin-bottom: 8px;
}

.sidebar__list {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.sidebar__item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  font-size: 0.85rem;
  color: var(--text-dim);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--dur), color var(--dur);
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}
.sidebar__item:hover { background: var(--bg-hover); color: var(--text); }
.sidebar__item-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--g5);
  flex-shrink: 0;
}
.sidebar__item-text {
  overflow: hidden;
  text-overflow: ellipsis;
}
.sidebar__item-time {
  margin-left: auto;
  font-size: 0.72rem;
  color: var(--text-muted);
  flex-shrink: 0;
}

.sidebar__section--usage {
  margin-top: auto;
  padding-top: 16px;
}

.usage-card {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px;
}

.usage-card__bar {
  height: 4px;
  background: var(--g3);
  border-radius: 2px;
  overflow: hidden;
  margin-bottom: 10px;
}

.usage-card__fill {
  height: 100%;
  background: var(--g8);
  border-radius: 2px;
  transition: width 0.6s var(--ease-out);
}

.usage-card__text {
  font-size: 0.78rem;
  color: var(--text-dim);
  margin-bottom: 12px;
}

/* --- Main Content --- */
.main-content {
  flex: 1;
  min-width: 0;
  padding: 28px 36px 60px;
}

/* ===================================================================
   INPUT AREA
   =================================================================== */
.input-area {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.input-area__header {
  padding: 4px 4px 0;
  border-bottom: 1px solid var(--border-dim);
}

.tab-bar {
  display: flex;
  gap: 2px;
  padding: 4px;
}

.tab-bar__tab {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 8px 16px;
  font-size: 0.84rem;
  font-weight: 500;
  color: var(--text-muted);
  border-radius: var(--radius-sm);
  transition: color var(--dur), background var(--dur);
}
.tab-bar__tab:hover { color: var(--text-dim); }
.tab-bar__tab--active {
  color: var(--text);
  background: var(--bg-active);
}

.input-area__body {
  padding: 0;
}

.input-panel { display: block; }
.input-panel--hidden { display: none; }

.input-textarea {
  width: 100%;
  min-height: 180px;
  max-height: 400px;
  resize: vertical;
  padding: 20px 24px;
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--text);
  background: transparent;
  border: none;
}
.input-textarea::placeholder { color: var(--text-muted); }
.input-textarea:focus { outline: none; }

.url-input-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
}

.url-input-wrap__icon { color: var(--text-muted); flex-shrink: 0; }

.url-input {
  flex: 1;
  background: transparent;
  border: none;
  font-size: 0.92rem;
  color: var(--text);
  padding: 4px 0;
}
.url-input::placeholder { color: var(--text-muted); }
.url-input:focus { outline: none; }

.input-area__controls {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  padding: 16px 24px;
  border-top: 1px solid var(--border-dim);
}

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

.control-label {
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  white-space: nowrap;
}

.pill-select {
  display: flex;
  gap: 4px;
}

.pill {
  padding: 5px 13px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-muted);
  border: 1px solid transparent;
  border-radius: 100px;
  transition: all var(--dur);
}
.pill:hover { color: var(--text-dim); border-color: var(--border); }
.pill--active {
  color: var(--g12);
  background: var(--g4);
  border-color: var(--g5);
}

/* ===================================================================
   PLATFORM SELECTOR
   =================================================================== */
.platform-section {
  margin-top: 24px;
}

.platform-section__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.platform-section__title {
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
}

.platform-section__actions {
  display: flex;
  gap: 4px;
}

.platform-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.platform-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  font-size: 0.84rem;
  font-weight: 500;
  color: var(--text-muted);
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: all var(--dur);
  user-select: none;
}
.platform-btn:hover {
  color: var(--text-dim);
  border-color: var(--g5);
  background: var(--bg-hover);
}
.platform-btn--active {
  color: var(--g12);
  background: var(--g4);
  border-color: var(--g6);
}
.platform-btn--active:hover {
  background: var(--g5);
}

/* ===================================================================
   BUTTONS
   =================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: all var(--dur);
  white-space: nowrap;
}

.btn--sm { font-size: 0.8rem; padding: 6px 14px; border-radius: var(--radius-sm); }
.btn--xs { font-size: 0.73rem; padding: 4px 10px; border-radius: var(--radius-sm); }

.btn--ghost {
  color: var(--text-dim);
  background: transparent;
}
.btn--ghost:hover { color: var(--text); background: var(--bg-hover); }

.btn--danger { color: #888; }
.btn--danger:hover { color: #ccc; background: rgba(255,255,255,0.05); }

.btn--full { width: 100%; }

.btn--upgrade {
  width: 100%;
  padding: 10px 20px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--g0);
  background: var(--g12);
  border-radius: var(--radius-sm);
}
.btn--upgrade:hover { background: var(--g10); }

/* Repurpose CTA */
.action-row {
  margin-top: 28px;
  display: flex;
  justify-content: flex-start;
}

.btn--repurpose {
  padding: 14px 40px;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--g0);
  background: var(--g12);
  border-radius: var(--radius-md);
  letter-spacing: -0.01em;
  position: relative;
  overflow: hidden;
}
.btn--repurpose:hover {
  background: var(--g10);
  transform: translateY(-1px);
  box-shadow: 0 4px 24px rgba(255,255,255,0.06);
}
.btn--repurpose:active { transform: translateY(0); }

.btn--repurpose .btn__loading { display: none; }
.btn--repurpose.is-loading .btn__text { display: none; }
.btn--repurpose.is-loading .btn__arrow { display: none; }
.btn--repurpose.is-loading .btn__loading {
  display: flex;
  align-items: center;
  gap: 6px;
}

/* Typing dots */
.typing-dot {
  display: block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--g5);
  animation: typingBounce 1.3s ease-in-out infinite;
}
.typing-dot:nth-child(2) { animation-delay: 0.15s; }
.typing-dot:nth-child(3) { animation-delay: 0.3s; }

@keyframes typingBounce {
  0%,60%,100% { transform: translateY(0); opacity: 0.4; }
  30% { transform: translateY(-6px); opacity: 1; }
}

/* ===================================================================
   RESULTS AREA
   =================================================================== */
.results-area {
  margin-top: 40px;
  animation: pageIn 0.4s var(--ease-out) both;
}

.results-area__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.results-area__title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.results-tabs {
  display: flex;
  gap: 2px;
  border-bottom: 1px solid var(--border-dim);
  margin-bottom: 0;
  overflow-x: auto;
}

.results-tab {
  padding: 10px 18px;
  font-size: 0.84rem;
  font-weight: 500;
  color: var(--text-muted);
  border-bottom: 2px solid transparent;
  transition: color var(--dur), border-color var(--dur);
  white-space: nowrap;
  cursor: pointer;
  background: none;
  border-top: none;
  border-left: none;
  border-right: none;
}
.results-tab:hover { color: var(--text-dim); }
.results-tab--active {
  color: var(--g12);
  border-bottom-color: var(--g12);
}

.results-panel {
  display: none;
  padding: 24px 0;
  animation: pageIn 0.3s var(--ease-out) both;
}
.results-panel--active { display: block; }

.result-card {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.result-card__content {
  padding: 24px;
  font-size: 0.9rem;
  line-height: 1.7;
  white-space: pre-wrap;
  word-break: break-word;
  min-height: 80px;
}

.result-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 24px;
  border-top: 1px solid var(--border-dim);
}

.result-card__meta {
  display: flex;
  gap: 16px;
  font-size: 0.76rem;
  color: var(--text-muted);
  font-family: var(--font-display);
}

.result-card__actions {
  display: flex;
  gap: 6px;
}

.btn--copy,
.btn--regen {
  padding: 6px 14px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-dim);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: transparent;
  transition: all var(--dur);
}
.btn--copy:hover, .btn--regen:hover {
  color: var(--text);
  background: var(--bg-hover);
  border-color: var(--g5);
}
.btn--copy.copied {
  color: var(--g12);
  background: var(--g5);
  border-color: var(--g6);
}

/* Streaming cursor */
.streaming-cursor {
  display: inline-block;
  width: 2px;
  height: 1em;
  background: var(--g12);
  margin-left: 2px;
  vertical-align: text-bottom;
  animation: cursorBlink 0.8s steps(1) infinite;
}

@keyframes cursorBlink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

/* ===================================================================
   PAGES — PROJECTS
   =================================================================== */
.page-container {
  max-width: 900px;
  margin: 0 auto;
  padding: 32px 36px 60px;
}
.page-container--narrow { max-width: 640px; }

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
  gap: 16px;
}

.page-title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.search-box {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  transition: border-color var(--dur);
}
.search-box:focus-within { border-color: var(--g6); }
.search-box__input {
  background: none;
  border: none;
  font-size: 0.85rem;
  color: var(--text);
  width: 200px;
}
.search-box__input::placeholder { color: var(--text-muted); }
.search-box__input:focus { outline: none; }

.projects-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.project-row {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: border-color var(--dur), background var(--dur);
}
.project-row:hover { border-color: var(--g5); background: var(--bg-hover); }

.project-row__icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: var(--g3);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-dim);
  flex-shrink: 0;
}

.project-row__body { flex: 1; min-width: 0; }
.project-row__title {
  font-size: 0.88rem;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.project-row__sub {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 2px;
}

.project-row__platforms {
  display: flex;
  gap: 4px;
  flex-shrink: 0;
}
.project-row__platform-tag {
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 3px 8px;
  background: var(--g3);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
}

.project-row__time {
  font-size: 0.76rem;
  color: var(--text-muted);
  flex-shrink: 0;
  font-family: var(--font-display);
}

.project-row__delete {
  padding: 6px;
  color: var(--text-muted);
  border-radius: var(--radius-sm);
  opacity: 0;
  transition: opacity var(--dur), color var(--dur), background var(--dur);
}
.project-row:hover .project-row__delete { opacity: 1; }
.project-row__delete:hover { color: var(--text); background: var(--bg-active); }

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 80px 20px;
  color: var(--text-muted);
  text-align: center;
  gap: 8px;
}
.empty-state p { font-size: 0.95rem; color: var(--text-dim); }
.empty-state span { font-size: 0.82rem; }

/* ===================================================================
   PAGES — SETTINGS
   =================================================================== */
.settings-section {
  margin-bottom: 36px;
}
.settings-section__title {
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.settings-card {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px;
}

.settings-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 8px 0;
}
.settings-row + .settings-row { border-top: 1px solid var(--border-dim); }

.settings-label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-dim);
  white-space: nowrap;
}

.settings-input {
  padding: 8px 14px;
  font-size: 0.85rem;
  background: var(--g3);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  transition: border-color var(--dur);
  width: 280px;
  max-width: 100%;
}
.settings-input:focus { outline: none; border-color: var(--g6); }
.settings-input--mono { font-family: var(--font-display); font-size: 0.8rem; }

.api-key-row {
  display: flex;
  gap: 6px;
  align-items: center;
}

/* Plan card */
.plan-card__current {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border-dim);
}
.plan-card__badge {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 4px 12px;
  background: var(--g4);
  border-radius: 100px;
  color: var(--text-dim);
}
.plan-card__info { font-size: 0.82rem; color: var(--text-muted); }

.plan-card__pro {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 14px;
}
.plan-card__pro-name {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
}
.plan-card__pro-price {
  font-size: 0.85rem;
  color: var(--text-dim);
}

.plan-card__features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 18px;
}
.plan-card__features li {
  font-size: 0.82rem;
  color: var(--text-dim);
  padding-left: 20px;
  position: relative;
}
.plan-card__features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 7px;
  width: 8px;
  height: 4px;
  border-left: 1.5px solid var(--g8);
  border-bottom: 1.5px solid var(--g8);
  transform: rotate(-45deg);
}

/* ===================================================================
   AUTH PAGES
   =================================================================== */
.page--auth {
  display: flex;
  align-items: center;
  justify-content: center;
}

.auth-container {
  width: 100%;
  max-width: 400px;
  padding: 20px;
}

.auth-card {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
}

.auth-card__header {
  text-align: center;
  margin-bottom: 32px;
}
.auth-card__header svg {
  color: var(--g12);
  margin-bottom: 16px;
}
.auth-card__header h1 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 6px;
}
.auth-card__header p {
  font-size: 0.84rem;
  color: var(--text-dim);
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-label {
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-dim);
}

.form-input {
  padding: 11px 16px;
  font-size: 0.88rem;
  background: var(--g3);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  transition: border-color var(--dur);
}
.form-input::placeholder { color: var(--text-muted); }
.form-input:focus { outline: none; border-color: var(--g6); }

.auth-form__footer {
  text-align: center;
  font-size: 0.82rem;
  color: var(--text-muted);
}
.auth-form__footer a {
  color: var(--g12);
  font-weight: 600;
  margin-left: 4px;
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: opacity var(--dur);
}
.auth-form__footer a:hover { opacity: 0.7; }

/* ===================================================================
   TOAST
   =================================================================== */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}

.toast {
  padding: 12px 20px;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--g12);
  background: var(--g4);
  border: 1px solid var(--g5);
  border-radius: var(--radius-sm);
  pointer-events: auto;
  animation: toastIn 0.35s var(--ease-out) both;
  backdrop-filter: blur(12px);
}
.toast--out { animation: toastOut 0.25s var(--ease-out) both; }

@keyframes toastIn {
  from { opacity: 0; transform: translateY(8px) scale(0.96); }
  to   { opacity: 1; transform: none; }
}
@keyframes toastOut {
  from { opacity: 1; transform: none; }
  to   { opacity: 0; transform: translateY(4px) scale(0.96); }
}

/* ===================================================================
   RESPONSIVE
   =================================================================== */
@media (max-width: 1024px) {
  .sidebar { display: none; }
  .main-content { padding: 24px 20px 60px; }
}

@media (max-width: 768px) {
  .nav__links {
    display: none;
    position: fixed;
    top: var(--nav-h);
    left: 0;
    right: 0;
    background: var(--g1);
    border-bottom: 1px solid var(--border-dim);
    flex-direction: column;
    padding: 12px;
    gap: 2px;
    z-index: 99;
  }
  .nav__links.open { display: flex; }
  .nav__link { padding: 12px 16px; }
  .nav__usage { display: none; }
  .nav__mobile-toggle { display: flex; }

  .main-content { padding: 16px 14px 60px; }
  .page-container { padding: 24px 16px 60px; }

  .input-area__controls { flex-direction: column; gap: 14px; }
  .pill-select { flex-wrap: wrap; }

  .platform-grid { gap: 6px; }
  .platform-btn { padding: 8px 12px; font-size: 0.8rem; }

  .btn--repurpose { width: 100%; }
  .action-row { margin-top: 20px; }

  .result-card__footer { flex-direction: column; gap: 12px; align-items: flex-start; }
  .result-card__actions { width: 100%; }
  .btn--copy, .btn--regen { flex: 1; }

  .page-header { flex-direction: column; align-items: flex-start; }
  .search-box__input { width: 100%; }

  .settings-row { flex-direction: column; align-items: flex-start; gap: 8px; }
  .settings-input { width: 100%; }
  .api-key-row { flex-wrap: wrap; }
  .api-key-row .settings-input { flex: 1; min-width: 0; }

  .auth-card { padding: 28px 20px; }

  .project-row { flex-wrap: wrap; }
  .project-row__platforms { display: none; }

  .toast-container { left: 16px; right: 16px; bottom: 16px; }
}

@media (max-width: 420px) {
  .tab-bar__tab { padding: 8px 10px; font-size: 0.78rem; gap: 5px; }
  .tab-bar__tab svg { display: none; }
}