@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,100..900;1,9..144,100..900&family=DM+Sans:ital,opsz,wght@0,9..40,300..700;1,9..40,300..700&family=JetBrains+Mono:wght@300;400&display=swap');

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

:root {
  --bg:             #0C1018;
  --surface:        #131925;
  --surface-hover:  #182030;
  --text-primary:   #C8C2B8;
  --text-secondary: #636D86;
  --text-muted:     #353E56;
  --amber:          #C4903A;
  --amber-dim:      rgba(196, 144, 58, 0.10);
  --green:          #4A9670;
  --green-dim:      rgba(74, 150, 112, 0.07);
  --slate:          #4A5E7A;
  --slate-dim:      rgba(74, 94, 122, 0.06);
  --coral:          #B05448;
  --divider:        #1C2538;
  --border:         #212D42;
}

html { font-size: 16px; scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text-primary);
  font-family: 'DM Sans', system-ui, sans-serif;
  line-height: 1.6;
  min-height: 100vh;
}

/* ── TOPBAR ─────────────────────────────────────────── */

.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2.5rem;
  height: 60px;
  background: rgba(12, 16, 24, 0.94);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--divider);
}

.topbar-brand {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  text-decoration: none;
}

.brand-diamond {
  position: relative;
  width: 22px;
  height: 22px;
  border: 1.5px solid var(--amber);
  transform: rotate(45deg);
  flex-shrink: 0;
}

.brand-diamond::after {
  content: '';
  position: absolute;
  inset: 5px;
  background: var(--amber);
  opacity: 0.5;
}

.brand-name {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.68rem;
  font-weight: 400;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

.btn-new {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: none;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.68rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 0.45rem 1rem;
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s;
  line-height: 1;
}

.btn-new:hover { border-color: var(--amber); color: var(--amber); }
.btn-new .plus { font-size: 1.1rem; }

/* ── FORM PANEL ──────────────────────────────────────── */

.form-panel {
  display: none;
  border-bottom: 1px solid var(--divider);
  background: var(--surface);
}

.form-panel.is-open { display: block; }

.form-inner {
  max-width: 840px;
  margin: 0 auto;
  padding: 2.5rem;
}

.form-eyebrow {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.62rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 2rem;
}

.form-row { margin-bottom: 1.5rem; }

.form-row label {
  display: block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.62rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.form-row input,
.form-row textarea,
.form-row select {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text-primary);
  font-family: 'DM Sans', sans-serif;
  font-size: 1rem;
  padding: 0.7rem 1rem;
  outline: none;
  border-radius: 0;
  appearance: none;
  transition: border-color 0.2s;
}

.form-row input:focus,
.form-row textarea:focus,
.form-row select:focus { border-color: var(--amber); }

.form-row input::placeholder,
.form-row textarea::placeholder { color: var(--text-muted); font-style: italic; }

.form-row textarea { min-height: 100px; resize: vertical; }
.form-row select option { background: var(--bg); }

.form-cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.form-actions {
  display: flex;
  gap: 1.25rem;
  align-items: center;
  margin-top: 2rem;
}

.btn-submit {
  background: var(--amber);
  color: #0C1018;
  border: none;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.68rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  padding: 0.7rem 1.75rem;
  cursor: pointer;
  transition: opacity 0.2s;
}

.btn-submit:hover { opacity: 0.82; }

.btn-cancel-form {
  background: none;
  border: none;
  color: var(--text-muted);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.62rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  cursor: pointer;
  padding: 0;
  transition: color 0.2s;
}

.btn-cancel-form:hover { color: var(--text-secondary); }

/* ── FILTER BAR ──────────────────────────────────────── */

.filter-bar {
  border-bottom: 1px solid var(--divider);
  padding: 0 2.5rem;
  display: flex;
  overflow-x: auto;
  scrollbar-width: none;
}

.filter-bar::-webkit-scrollbar { display: none; }

.filter-link {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.63rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-muted);
  text-decoration: none;
  padding: 0.85rem 1.1rem;
  border-bottom: 2px solid transparent;
  white-space: nowrap;
  transition: color 0.18s, border-color 0.18s;
}

.filter-link:hover { color: var(--text-secondary); }
.filter-link.active { color: var(--text-primary); border-bottom-color: var(--amber); }

.filter-count {
  font-size: 0.58rem;
  opacity: 0.5;
}

/* ── MAIN ────────────────────────────────────────────── */

.main {
  padding: 2.5rem 2.5rem 5rem;
}

/* ── STATS ───────────────────────────────────────────── */

.stats-row {
  display: flex;
  gap: 2.5rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid var(--divider);
  flex-wrap: wrap;
}

.stat-item {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.stat-value {
  font-family: 'Fraunces', serif;
  font-size: 2.2rem;
  font-weight: 700;
  line-height: 1;
  font-optical-sizing: auto;
  color: var(--text-primary);
}

.stat-value.c-amber  { color: var(--amber); }
.stat-value.c-green  { color: var(--green); }
.stat-value.c-coral  { color: var(--coral); }

.stat-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.58rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* ── IDEA GRID ───────────────────────────────────────── */

.idea-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin-top: 2.5rem;
}

/* ── IDEA CARD ───────────────────────────────────────── */

.idea-card {
  position: relative;
  padding: 1.75rem;
  border: 1px solid var(--border);
  background: var(--surface);
  overflow: hidden;
  cursor: pointer;
  transition: border-color 0.2s;
}

.idea-card:hover {
  border-color: var(--text-muted);
}

/* Ambient heat glow — the signature element */
.idea-card::before {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  transition: opacity 0.4s;
}

.idea-card[data-heat="fresh"]::before  { background: radial-gradient(ellipse 60% 80% at 15% 50%, rgba(196, 144, 58, 0.10) 0%, transparent 100%); }
.idea-card[data-heat="warm"]::before   { background: radial-gradient(ellipse 60% 80% at 15% 50%, rgba(74, 150, 112, 0.07) 0%, transparent 100%); }
.idea-card[data-heat="cool"]::before   { background: radial-gradient(ellipse 60% 80% at 15% 50%, rgba(74, 94, 122, 0.05) 0%, transparent 100%); }
.idea-card[data-heat="cold"]::before   { background: none; }

.idea-card:hover::before { opacity: 1.4; }

/* Ghosted file-number watermark */
.ghost-num {
  position: absolute;
  right: -0.1em;
  bottom: -0.15em;
  font-family: 'Fraunces', serif;
  font-size: clamp(4rem, 8vw, 7rem);
  font-weight: 900;
  font-optical-sizing: auto;
  color: var(--text-primary);
  opacity: 0.035;
  line-height: 1;
  pointer-events: none;
  user-select: none;
  letter-spacing: -0.04em;
}

.idea-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.1rem;
  gap: 1rem;
}

.idea-meta-left {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  flex-wrap: wrap;
}

.idea-category {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.62rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* Status dot */
.status-dot {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.6rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.status-dot::before {
  content: '';
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: currentColor;
  flex-shrink: 0;
}

.sd-raw        { color: var(--amber); }
.sd-developing { color: var(--green); }
.sd-dormant    { color: var(--slate); }
.sd-pursued    { color: var(--coral); }

.idea-date {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.6rem;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  flex-shrink: 0;
}

.idea-title {
  font-family: 'Fraunces', serif;
  font-size: clamp(1.1rem, 1.6vw, 1.4rem);
  font-weight: 600;
  font-optical-sizing: auto;
  line-height: 1.25;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 0.6rem;
}

.idea-desc {
  font-size: 0.83rem;
  line-height: 1.65;
  color: var(--text-secondary);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.idea-url {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.6rem;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  text-decoration: none;
  margin-top: 0.75rem;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  transition: color 0.18s;
}

.idea-url:hover { color: var(--amber); }

/* ── CARD ACTIONS ────────────────────────────────────── */

.idea-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: 1.5rem;
  flex-wrap: wrap;
}

.btn-remove {
  margin-left: auto;
}

.status-form {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.sbtn {
  background: none;
  border: 1px solid var(--border);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.58rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 0.28rem 0.6rem;
  cursor: pointer;
  color: var(--text-muted);
  transition: border-color 0.15s, color 0.15s;
  line-height: 1.4;
}

.sbtn:hover { border-color: var(--text-muted); color: var(--text-secondary); }

.sbtn.on-raw        { border-color: var(--amber); color: var(--amber); }
.sbtn.on-developing { border-color: var(--green); color: var(--green); }
.sbtn.on-dormant    { border-color: var(--slate); color: var(--slate); }
.sbtn.on-pursued    { border-color: var(--coral); color: var(--coral); }

.btn-remove {
  background: none;
  border: none;
  color: var(--text-muted);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.58rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  cursor: pointer;
  padding: 0;
  transition: color 0.18s;
}

.btn-remove:hover { color: var(--coral); }

/* ── EMPTY STATE ─────────────────────────────────────── */

.empty {
  padding: 5rem 0;
  text-align: center;
}

.empty-mark {
  width: 44px;
  height: 44px;
  border: 1px solid var(--border);
  transform: rotate(45deg);
  margin: 0 auto 2.25rem;
  position: relative;
}

.empty-mark::after {
  content: '';
  position: absolute;
  inset: 10px;
  border: 1px solid var(--border);
}

.empty-text {
  font-family: 'Fraunces', serif;
  font-style: italic;
  font-weight: 300;
  font-optical-sizing: auto;
  font-size: 1.45rem;
  color: var(--text-muted);
  max-width: 34ch;
  margin: 0 auto;
  line-height: 1.55;
}

/* ── EDIT PAGE ───────────────────────────────────────── */

.edit-wrap {
  max-width: 640px;
}

.form-inner {
  max-width: 840px;
}

.edit-heading {
  font-family: 'Fraunces', serif;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 600;
  font-optical-sizing: auto;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 2.5rem;
  line-height: 1.2;
}

/* ── FLASH ───────────────────────────────────────────── */

.flash {
  padding: 0.7rem 2.5rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.68rem;
  letter-spacing: 0.1em;
}

.flash-success { background: rgba(74, 150, 112, 0.08); color: var(--green); border-left: 2px solid var(--green); }
.flash-error   { background: rgba(176, 84, 72, 0.08);  color: var(--coral); border-left: 2px solid var(--coral); }

/* ── A11Y / REDUCED MOTION ───────────────────────────── */

:focus-visible { outline: 2px solid var(--amber); outline-offset: 3px; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; }
}

/* ── RESPONSIVE ──────────────────────────────────────── */

@media (max-width: 1024px) {
  .idea-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .topbar     { padding: 0 1.25rem; }
  .filter-bar { padding: 0 1.25rem; }
  .main       { padding: 1.5rem 1.25rem 4rem; }
  .form-inner { padding: 1.75rem 1.25rem; }
  .form-cols  { grid-template-columns: 1fr; gap: 1.25rem; }
  .stats-row  { gap: 1.5rem; }
  .idea-grid  { grid-template-columns: 1fr; }
  .ghost-num  { font-size: 4rem; }
}