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

:root {
  --clr-bg:        #f6f7f8;
  --clr-surface:   #ffffff;
  --clr-border:    #e0e0e0;
  --clr-text:      #1a1a1b;
  --clr-muted:     #878a8c;
  --clr-accent:    #ff4500;
  --clr-accent-h:  #e03d00;
  --clr-accent2:   #0079d3;
  --clr-accent2-h: #006bbf;
  --clr-tag-bg:    #f0f3f7;
  --clr-tag-text:  #0079d3;
  --clr-match:     #fff3cd;
  --clr-match-b:   #e8a800;
  --radius:        10px;
  --shadow:        0 2px 8px rgba(0,0,0,.08);
  --font:          -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

[data-theme="dark"] {
  --clr-bg:       #1a1a1b;
  --clr-surface:  #272729;
  --clr-border:   #343536;
  --clr-text:     #d7dadc;
  --clr-muted:    #818384;
  --clr-tag-bg:   #333436;
  --clr-tag-text: #818cf8;
  --clr-match:    #3d3200;
  --clr-match-b:  #a07800;
}

body {
  font-family: var(--font);
  background: var(--clr-bg);
  color: var(--clr-text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: background .25s, color .25s;
}

/* ── Header ─────────────────────────────────────────────────── */
header {
  background: var(--clr-accent);
  color: #fff;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 4px rgba(0,0,0,.25);
}

.header-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: .75rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: .55rem;
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -.3px;
}

.reddit-icon {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
}

#theme-toggle {
  background: transparent;
  border: 2px solid rgba(255,255,255,.6);
  border-radius: 50%;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: #fff;
  transition: border-color .2s, background .2s;
}
#theme-toggle:hover { background: rgba(255,255,255,.15); border-color: #fff; }
#theme-toggle svg { width: 18px; height: 18px; }

/* ── Main Layout ─────────────────────────────────────────────── */
main {
  flex: 1;
  max-width: 1100px;
  width: 100%;
  margin: 0 auto;
  padding: 1.5rem 1.25rem 2rem;
}

/* ── Config Panel ────────────────────────────────────────────── */
.config-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
  margin-bottom: 1rem;
}

.config-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  padding: 1.1rem 1.2rem;
  box-shadow: var(--shadow);
}

.config-card h2 {
  font-size: .85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .8px;
  color: var(--clr-muted);
  margin-bottom: .8rem;
}

.input-row {
  display: flex;
  gap: .5rem;
  margin-bottom: .75rem;
}

input[type="text"] {
  flex: 1;
  padding: .45rem .7rem;
  border: 1.5px solid var(--clr-border);
  border-radius: 6px;
  background: var(--clr-bg);
  color: var(--clr-text);
  font-size: .9rem;
  outline: none;
  transition: border-color .2s;
}
input[type="text"]:focus { border-color: var(--clr-accent2); }

.btn-add {
  padding: .45rem .85rem;
  background: var(--clr-accent2);
  color: #fff;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-size: .88rem;
  font-weight: 600;
  transition: background .2s;
  white-space: nowrap;
}
.btn-add:hover { background: var(--clr-accent2-h); }

/* Tags */
.tag-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
  min-height: 28px;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  background: var(--clr-tag-bg);
  color: var(--clr-tag-text);
  border-radius: 999px;
  padding: .2rem .65rem;
  font-size: .82rem;
  font-weight: 600;
  cursor: default;
}

.tag button {
  background: transparent;
  border: none;
  color: inherit;
  cursor: pointer;
  font-size: .9rem;
  line-height: 1;
  padding: 0 2px;
  opacity: .6;
  transition: opacity .15s;
}
.tag button:hover { opacity: 1; }

/* Settings */
.setting-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .5rem;
  font-size: .88rem;
  padding: .3rem 0;
  color: var(--clr-text);
}
.setting-row span { flex: 1; }
.setting-row select,
.setting-row input[type="checkbox"] { cursor: pointer; }
.setting-row select {
  padding: .25rem .4rem;
  border: 1.5px solid var(--clr-border);
  border-radius: 5px;
  background: var(--clr-bg);
  color: var(--clr-text);
  font-size: .85rem;
}
.checkbox-row { gap: .7rem; justify-content: flex-start; }
.checkbox-row input { width: 16px; height: 16px; accent-color: var(--clr-accent2); }

/* Action row */
.action-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: .75rem;
  margin-bottom: 1.5rem;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .55rem 1.2rem;
  background: var(--clr-accent);
  color: #fff;
  border: none;
  border-radius: 999px;
  font-size: .95rem;
  font-weight: 700;
  cursor: pointer;
  transition: background .2s, transform .1s;
  box-shadow: 0 2px 6px rgba(255,69,0,.3);
}
.btn-primary:hover { background: var(--clr-accent-h); }
.btn-primary:active { transform: scale(.97); }
.btn-primary svg { width: 16px; height: 16px; }
.btn-primary:disabled { opacity: .6; cursor: not-allowed; }

.btn-secondary {
  padding: .5rem 1.1rem;
  background: transparent;
  color: var(--clr-muted);
  border: 1.5px solid var(--clr-border);
  border-radius: 999px;
  font-size: .9rem;
  font-weight: 600;
  cursor: pointer;
  transition: border-color .2s, color .2s;
}
.btn-secondary:hover { border-color: var(--clr-muted); color: var(--clr-text); }

.status-msg {
  font-size: .85rem;
  color: var(--clr-muted);
}
.status-msg.error { color: #c0392b; }
.status-msg.success { color: #27ae60; }

.refresh-countdown {
  font-size: .82rem;
  color: var(--clr-accent2);
  margin-left: auto;
}

/* ── Results Header ──────────────────────────────────────────── */
.results-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: .75rem;
  margin-bottom: 1rem;
}

.results-header h2 {
  font-size: 1rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: .5rem;
}

.badge {
  background: var(--clr-accent);
  color: #fff;
  border-radius: 999px;
  padding: .1rem .5rem;
  font-size: .8rem;
}

.filter-row {
  display: flex;
  align-items: center;
  gap: .6rem;
  flex-wrap: wrap;
}
.filter-row input { max-width: 220px; }
.filter-row .setting-row { padding: 0; }

/* ── Results List ────────────────────────────────────────────── */
.results-list {
  display: flex;
  flex-direction: column;
  gap: .75rem;
}

.post-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  padding: 1rem 1.2rem;
  box-shadow: var(--shadow);
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: .75rem;
  transition: border-color .2s, box-shadow .2s;
  animation: fadeIn .3s ease;
}
.post-card:hover { border-color: var(--clr-accent2); box-shadow: 0 4px 16px rgba(0,0,0,.12); }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.post-score {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .25rem;
  padding-top: .1rem;
}

.score-arrow { color: var(--clr-accent); font-size: 1.1rem; line-height: 1; }
.score-num {
  font-size: .8rem;
  font-weight: 700;
  color: var(--clr-text);
}

.post-body { min-width: 0; }

.post-meta {
  font-size: .75rem;
  color: var(--clr-muted);
  margin-bottom: .35rem;
  display: flex;
  flex-wrap: wrap;
  gap: .25rem .6rem;
}

.post-meta .sub-link {
  color: var(--clr-accent);
  font-weight: 700;
  text-decoration: none;
}
.post-meta .sub-link:hover { text-decoration: underline; }
.post-meta .author-link {
  color: var(--clr-accent2);
  text-decoration: none;
}
.post-meta .author-link:hover { text-decoration: underline; }

.post-title {
  font-size: .97rem;
  font-weight: 600;
  color: var(--clr-text);
  text-decoration: none;
  line-height: 1.4;
  display: block;
  margin-bottom: .4rem;
  word-break: break-word;
}
.post-title:hover { color: var(--clr-accent2); }

.post-excerpt {
  font-size: .82rem;
  color: var(--clr-muted);
  line-height: 1.5;
  margin-bottom: .5rem;
  word-break: break-word;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.post-footer {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  font-size: .78rem;
  color: var(--clr-muted);
}

.post-footer a {
  color: var(--clr-muted);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: .25rem;
  transition: color .15s;
}
.post-footer a:hover { color: var(--clr-accent2); }
.post-footer svg { width: 13px; height: 13px; }

.matched-kws {
  display: flex;
  flex-wrap: wrap;
  gap: .3rem;
  margin-top: .45rem;
}
.kw-pill {
  font-size: .72rem;
  font-weight: 700;
  background: var(--clr-match);
  color: #6b4d00;
  border: 1px solid var(--clr-match-b);
  border-radius: 4px;
  padding: .1rem .4rem;
}
[data-theme="dark"] .kw-pill { color: #f5c842; }

mark {
  background: var(--clr-match);
  color: inherit;
  border-radius: 2px;
  padding: 0 1px;
}

/* ── Empty / Loading states ──────────────────────────────────── */
.state-msg {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--clr-muted);
  font-size: .95rem;
}
.state-msg svg { width: 48px; height: 48px; margin-bottom: .75rem; opacity: .35; }

.spinner {
  width: 36px;
  height: 36px;
  border: 4px solid var(--clr-border);
  border-top-color: var(--clr-accent);
  border-radius: 50%;
  animation: spin .7s linear infinite;
  margin: 0 auto .75rem;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Footer ──────────────────────────────────────────────────── */
footer {
  text-align: center;
  padding: 1rem;
  font-size: .78rem;
  color: var(--clr-muted);
  border-top: 1px solid var(--clr-border);
}
footer a { color: var(--clr-accent2); }

/* ── Responsive ──────────────────────────────────────────────── */
@media (max-width: 600px) {
  .config-row { grid-template-columns: 1fr; }
  .post-card { grid-template-columns: 36px 1fr; gap: .5rem; }
  .results-header { flex-direction: column; align-items: flex-start; }
}