/* ===================================================================
   Brenton AI Studio — admin styles
   Inherits color tokens + base typography from the marketing site.
   =================================================================== */

:root {
  --bg: #0A0A0C;
  --surface: #111114;
  --ink: #EDE8E1;
  --muted: #8A8A93;
  --subtle: #5A5A63;
  --accent: #C25A3B;
  --rule: rgba(237, 232, 225, 0.08);
  --rule-strong: rgba(237, 232, 225, 0.16);
  --ok: #5BA978;
  --err: #C25A3B;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; background: var(--bg); }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Geist", system-ui, sans-serif;
  font-feature-settings: "ss01", "zero", "cv11";
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
}
::selection { background: var(--accent); color: var(--ink); }
button { font: inherit; cursor: pointer; }

/* ---------- Background layers (same as marketing) ---------- */
.dot-grid {
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background-image: radial-gradient(circle at 1px 1px, rgba(237, 232, 225, 0.04) 1px, transparent 0);
  background-size: 36px 36px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 85%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 85%);
}
.grain {
  position: fixed; top: -50%; left: -50%; width: 200%; height: 200%;
  pointer-events: none; z-index: 2; opacity: 0.04; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.92' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 1 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.75'/%3E%3C/svg%3E");
}

/* ---------- Studio nav ---------- */
.studio-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: 1.1rem 2rem;
  background: rgba(10, 10, 12, 0.78);
  backdrop-filter: saturate(160%) blur(20px);
  -webkit-backdrop-filter: saturate(160%) blur(20px);
  border-bottom: 1px solid var(--rule);
}
.wordmark {
  font-family: "Fraunces", Georgia, serif;
  font-variation-settings: "opsz" 144, "SOFT" 30, "wght" 500;
  font-size: 1.2rem;
  letter-spacing: -0.025em;
  color: var(--ink);
  text-decoration: none;
}
.wordmark em {
  font-style: italic;
  font-variation-settings: "opsz" 144, "SOFT" 60, "wght" 400;
  color: var(--muted);
}
.studio-tag {
  font-family: "Geist Mono", ui-monospace, monospace;
  font-size: 0.65rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  padding: 0.25rem 0.55rem;
  border: 1px solid var(--rule-strong);
  border-radius: 2px;
}
.nav-right {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 1rem;
}
.user-email {
  font-family: "Geist Mono", ui-monospace, monospace;
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  color: var(--muted);
}

/* ---------- Layout ---------- */
.studio-main {
  max-width: 980px;
  margin: 0 auto;
  padding: 4rem 2rem 8rem;
}
@media (max-width: 700px) {
  .studio-nav { padding: 0.85rem 1rem; gap: 0.65rem; }
  .studio-main { padding: 2.5rem 1rem 6rem; }
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-family: "Geist Mono", ui-monospace, monospace;
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 1.4rem;
}
.eyebrow::before {
  content: "";
  width: 22px;
  height: 1px;
  background: var(--accent);
  display: inline-block;
}

.section-title {
  font-family: "Fraunces", Georgia, serif;
  font-variation-settings: "opsz" 144, "SOFT" 30, "wght" 400;
  font-size: clamp(1.85rem, 4.2vw, 3rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--ink);
  margin: 0 0 2.5rem;
}
.section-title em {
  font-style: italic;
  font-variation-settings: "opsz" 144, "SOFT" 60, "wght" 400;
  color: var(--ink);
}

.studio-header { margin-bottom: 2rem; }

/* ---------- Login view ---------- */
.login-view {
  min-height: 70vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  max-width: 38rem;
  margin: 0 auto;
}
.login-headline {
  font-family: "Fraunces", Georgia, serif;
  font-variation-settings: "opsz" 144, "SOFT" 30, "wght" 400;
  font-size: clamp(2.5rem, 7vw, 4.5rem);
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--ink);
  margin: 0;
}
.login-headline em {
  font-style: italic;
  font-variation-settings: "opsz" 144, "SOFT" 70, "wght" 400;
  color: var(--accent);
}
.login-sub {
  margin: 1.5rem 0 3rem;
  color: var(--muted);
  font-size: 1.1rem;
  line-height: 1.5;
}

/* ---------- Editorial form fields (cribbed from styles.css) ---------- */
.field-row {
  display: grid;
  grid-template-columns: 9rem 1fr;
  gap: 2rem;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--rule);
  align-items: baseline;
  transition: border-color 0.3s ease;
}
.field-row:focus-within { border-bottom-color: var(--accent); }
@media (max-width: 700px) {
  .field-row { grid-template-columns: 1fr; gap: 0.4rem; padding: 1rem 0; }
}
.field-legend {
  display: inline-flex;
  align-items: baseline;
  gap: 0.6rem;
  font-family: "Geist Mono", ui-monospace, monospace;
  font-size: 0.7rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  padding-top: 0.65rem;
}
.field-legend .num { color: var(--accent); font-weight: 500; }
.field-editorial {
  width: 100%;
  padding: 0.5rem 0;
  background: transparent;
  border: none;
  outline: none;
  color: var(--ink);
  font-family: "Fraunces", Georgia, serif;
  font-variation-settings: "opsz" 144, "SOFT" 30, "wght" 300;
  font-size: clamp(1.1rem, 2vw, 1.4rem);
  line-height: 1.4;
  letter-spacing: -0.015em;
}
.field-editorial::placeholder {
  color: var(--subtle);
  font-style: italic;
  font-variation-settings: "opsz" 144, "SOFT" 60, "wght" 300;
}
textarea.field-editorial {
  resize: vertical;
  min-height: 4rem;
  font-size: 1.05rem;
  font-family: "Geist", system-ui, sans-serif;
  font-variation-settings: normal;
  line-height: 1.55;
}

/* ---------- Buttons ---------- */
.submit-editorial {
  margin-top: 2.5rem;
  display: inline-flex;
  align-items: center;
  gap: 1.25rem;
  padding: 0;
  background: none;
  border: none;
  color: var(--ink);
  font-family: "Fraunces", Georgia, serif;
  font-variation-settings: "opsz" 144, "SOFT" 60, "wght" 400;
  font-style: italic;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  letter-spacing: -0.02em;
  cursor: pointer;
  transition: gap 0.3s cubic-bezier(0.2, 0.8, 0.2, 1), color 0.3s ease;
}
.submit-editorial:hover { gap: 1.75rem; color: var(--accent); }
.submit-editorial:focus-visible { outline: 2px solid var(--accent); outline-offset: 6px; }
.submit-editorial .submit-line {
  width: 2.25rem;
  height: 1px;
  background: currentColor;
  transition: width 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
  display: inline-block;
}
.submit-editorial:hover .submit-line { width: 3.25rem; }
.submit-editorial[disabled] { opacity: 0.55; cursor: wait; pointer-events: none; }

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.85rem 1.4rem;
  background: var(--ink);
  color: var(--bg);
  border: 1px solid var(--ink);
  border-radius: 2px;
  font-family: "Geist", system-ui, sans-serif;
  font-weight: 500;
  font-size: 0.9rem;
  letter-spacing: -0.005em;
  transition: background 0.25s ease, color 0.25s ease, gap 0.25s ease;
  white-space: nowrap;
}
.btn-primary .arrow { transition: transform 0.25s ease; display: inline-block; }
.btn-primary:hover { background: transparent; color: var(--ink); gap: 0.85rem; }
.btn-primary:hover .arrow { transform: translateX(3px); }
.btn-primary[disabled] { opacity: 0.5; cursor: wait; }

.link-btn {
  background: none;
  border: none;
  padding: 0;
  color: var(--muted);
  font-family: "Geist Mono", ui-monospace, monospace;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  text-decoration: none;
  cursor: pointer;
  transition: color 0.2s ease;
}
.link-btn:hover { color: var(--ink); }
.link-btn[disabled] { opacity: 0.5; cursor: wait; }
.link-btn.is-success { color: var(--ok); }

.form-msg {
  margin: 1.5rem 0 0;
  font-family: "Geist Mono", ui-monospace, monospace;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--muted);
}
.form-msg.is-err { color: var(--err); }
.form-msg.is-ok { color: var(--ok); }

/* ---------- Source input ---------- */
.source-input {
  border: 1px solid var(--rule-strong);
  border-radius: 4px;
  padding: 1.5rem;
  background: rgba(237, 232, 225, 0.012);
}
.tabs {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--rule);
  margin: -0.5rem -0.5rem 1.25rem;
}
.tab {
  background: none;
  border: none;
  border-bottom: 1px solid transparent;
  padding: 0.85rem 1rem;
  color: var(--muted);
  font-family: "Geist Mono", ui-monospace, monospace;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  transition: color 0.2s ease, border-color 0.2s ease;
  margin-bottom: -1px;
}
.tab:hover { color: var(--ink); }
.tab.is-active { color: var(--ink); border-bottom-color: var(--accent); }

.tab-pane { display: none; }
.tab-pane.is-active { display: block; }
#text-input { min-height: 12rem; }
.hint {
  margin: 0.6rem 0 0;
  font-size: 0.85rem;
  color: var(--subtle);
  line-height: 1.5;
}

.source-actions {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--rule);
}
.source-actions .form-msg { margin: 0; flex: 1 1 100%; }

/* ---------- Source loaded ---------- */
.source-loaded { margin-top: 4rem; }
.source-details {
  border: 1px solid var(--rule);
  border-radius: 4px;
  padding: 0;
}
.source-details summary {
  list-style: none;
  cursor: pointer;
  padding: 1rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  user-select: none;
  font-family: "Geist Mono", ui-monospace, monospace;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--muted);
}
.source-details summary::-webkit-details-marker { display: none; }
.source-details summary:hover { color: var(--ink); }
.source-details[open] summary { border-bottom: 1px solid var(--rule); }
.source-toggle { color: var(--subtle); }
.source-display {
  padding: 1.25rem;
  max-height: 28rem;
  overflow-y: auto;
  font-family: "Geist", system-ui, sans-serif;
  font-size: 0.95rem;
  line-height: 1.65;
  color: var(--muted);
  white-space: pre-wrap;
}

/* ---------- Generators ---------- */
.generators {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}
@media (max-width: 800px) {
  .generators { grid-template-columns: 1fr; }
}
.gen-btn {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.4rem;
  padding: 1.5rem 1.25rem;
  background: rgba(237, 232, 225, 0.015);
  border: 1px solid var(--rule-strong);
  border-radius: 4px;
  text-align: left;
  color: var(--ink);
  transition: border-color 0.25s ease, background 0.25s ease, transform 0.25s ease;
}
.gen-btn:hover:not([disabled]) {
  border-color: var(--accent);
  background: rgba(194, 90, 59, 0.04);
  transform: translateY(-1px);
}
.gen-btn[disabled] { opacity: 0.55; cursor: wait; }
.gen-num {
  font-family: "Geist Mono", ui-monospace, monospace;
  font-size: 0.65rem;
  letter-spacing: 0.18em;
  color: var(--accent);
  text-transform: uppercase;
}
.gen-label {
  font-family: "Fraunces", Georgia, serif;
  font-variation-settings: "opsz" 144, "SOFT" 30, "wght" 400;
  font-size: 1.4rem;
  letter-spacing: -0.02em;
  line-height: 1.1;
}
.gen-desc {
  font-size: 0.85rem;
  color: var(--muted);
  line-height: 1.4;
}
.gen-btn.is-loading .gen-label::after {
  content: "…";
  margin-left: 0.2em;
  color: var(--accent);
}

/* ---------- Output cards ---------- */
.outputs {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  margin-top: 2.5rem;
}
.output-card {
  border: 1px solid var(--rule-strong);
  border-radius: 4px;
  padding: 1.75rem;
  background: var(--surface);
  animation: card-in 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
}
@keyframes card-in {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}
.output-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--rule);
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
}
.output-tag {
  font-family: "Geist Mono", ui-monospace, monospace;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent);
}
.output-actions {
  display: flex;
  gap: 1.25rem;
  align-items: center;
}
.output-body {
  margin: 0;
  padding: 0;
  background: transparent;
  font-family: "Geist", system-ui, sans-serif;
  font-size: 1rem;
  line-height: 1.65;
  color: var(--ink);
  white-space: pre-wrap;
  word-break: break-word;
}
.char-count {
  margin: 1rem 0 0;
  font-family: "Geist Mono", ui-monospace, monospace;
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--subtle);
}

/* ---------- Twitter thread ---------- */
.tweet-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.tweet-card {
  display: grid;
  grid-template-columns: 2.5rem 1fr;
  gap: 1rem;
  padding: 1rem;
  background: rgba(237, 232, 225, 0.015);
  border: 1px solid var(--rule);
  border-radius: 4px;
}
.tweet-num {
  font-family: "Geist Mono", ui-monospace, monospace;
  font-size: 0.85rem;
  color: var(--accent);
  font-feature-settings: "tnum";
  padding-top: 0.4rem;
}
.tweet-text {
  width: 100%;
  background: transparent;
  border: none;
  outline: none;
  resize: vertical;
  min-height: 5rem;
  font-family: "Geist", system-ui, sans-serif;
  font-size: 1rem;
  line-height: 1.55;
  color: var(--ink);
}
.tweet-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 0.5rem;
  padding-top: 0.6rem;
  border-top: 1px solid var(--rule);
}
.tweet-chars {
  font-family: "Geist Mono", ui-monospace, monospace;
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--subtle);
}
.tweet-chars.is-over { color: var(--err); }

/* ---------- Blog editor ---------- */
.blog-fields { display: flex; flex-direction: column; gap: 1.5rem; }
.blog-field { display: flex; flex-direction: column; gap: 0.5rem; }
.blog-field-label {
  font-family: "Geist Mono", ui-monospace, monospace;
  font-size: 0.65rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}
.blog-field-label .slug-preview { color: var(--accent); }
.blog-field .field-editorial {
  padding: 0.65rem 0.8rem;
  border: 1px solid var(--rule);
  border-radius: 3px;
  font-family: "Geist", system-ui, sans-serif;
  font-variation-settings: normal;
  font-size: 1rem;
}
.blog-field input.field-editorial { font-size: 1.05rem; }
.blog-field .blog-title {
  font-family: "Fraunces", Georgia, serif;
  font-variation-settings: "opsz" 144, "SOFT" 30, "wght" 400;
  font-size: 1.55rem;
  letter-spacing: -0.025em;
}
.blog-field .blog-body { min-height: 24rem; line-height: 1.65; }
.blog-publish-row {
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--rule);
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.blog-publish-row .form-msg { margin: 0; }

/* ---------- Library ---------- */
.library { margin-top: 5rem; padding-top: 4rem; border-top: 1px solid var(--rule); }
.library-tabs {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--rule);
  margin-bottom: 1rem;
}
.lib-tab {
  background: none;
  border: none;
  border-bottom: 1px solid transparent;
  padding: 0.7rem 1rem 0.7rem 0;
  margin-right: 1.5rem;
  margin-bottom: -1px;
  color: var(--muted);
  font-family: "Geist Mono", ui-monospace, monospace;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: color 0.2s ease, border-color 0.2s ease;
}
.lib-tab:hover { color: var(--ink); }
.lib-tab.is-active { color: var(--ink); border-bottom-color: var(--accent); }
.lib-tab .count {
  display: inline-block;
  min-width: 1.4rem;
  padding: 0 0.35rem;
  background: rgba(237, 232, 225, 0.05);
  border-radius: 999px;
  font-size: 0.62rem;
  color: var(--muted);
  text-align: center;
}

.post-list { list-style: none; margin: 0; padding: 0; }
.post-row {
  display: grid;
  grid-template-columns: 9rem 1fr;
  gap: 2rem;
  padding: 1.75rem 0;
  border-bottom: 1px solid var(--rule);
}
@media (max-width: 700px) {
  .post-row { grid-template-columns: 1fr; gap: 0.75rem; padding: 1.5rem 0; }
}
.post-meta {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.post-date,
.post-status {
  font-family: "Geist Mono", ui-monospace, monospace;
  font-size: 0.65rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--subtle);
}
.post-status.is-published { color: var(--ok); }
.post-status.is-draft { color: var(--accent); }
.post-title {
  margin: 0 0 0.4rem;
  font-family: "Fraunces", Georgia, serif;
  font-variation-settings: "opsz" 144, "SOFT" 30, "wght" 400;
  font-size: 1.4rem;
  letter-spacing: -0.02em;
  color: var(--ink);
  line-height: 1.2;
}
.post-excerpt { margin: 0 0 0.85rem; color: var(--muted); font-size: 0.92rem; line-height: 1.55; }
.post-actions { display: flex; gap: 1.25rem; flex-wrap: wrap; }
.library-empty {
  margin: 2rem 0;
  font-family: "Geist Mono", ui-monospace, monospace;
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--subtle);
}