/* ── FZFish — stylesheet ── */
@import url('https://fonts.googleapis.com/css2?family=DM+Mono:wght@400;500&family=Source+Code+Pro:wght@400;600;700;800&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;1,9..40,300&display=swap');

/* ── Design tokens ── */
:root {
  --bg:          #0d1117;
  --surface:     #161b22;
  --surface2:    #21262d;
  --surface3:    #30363d;
  --border:      #30363d;
  --text:        #e6edf3;
  --text-muted:  #7d8590;
  --text-dim:    #484f58;
  --accent:      #58a6ff;
  --accent-glow: rgba(88,166,255,.18);
  --green:       #3fb950;
  --orange:      #d29922;
  --red:         #f85149;
  --purple:      #bc8cff;
  --stripe:      rgba(255,255,255,.03);
  --nursery:     #38bdf8;
  --incubator:   #f59e0b;

  --radius-sm: 6px;
  --radius:    10px;
  --radius-lg: 16px;
  --shadow:    0 4px 24px rgba(0,0,0,.5);
  --transition: .18s cubic-bezier(.4,0,.2,1);
  --font-head: 'Source Code Pro', monospace;
  --font-body: 'DM Sans', sans-serif;
  --font-mono: 'DM Mono', monospace;
}

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

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

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  min-height: 100dvh;
  overflow-x: hidden;
  /* Subtle zebra stripe bg */
  background-image: repeating-linear-gradient(
    135deg,
    transparent 0px,
    transparent 40px,
    var(--stripe) 40px,
    var(--stripe) 42px
  );
}

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--surface3); border-radius: 3px; }

/* ── Overlays ── */
.overlay {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(0,0,0,.7);
  backdrop-filter: blur(8px);
  display: flex; align-items: center; justify-content: center;
  padding: 1rem;
  opacity: 0; pointer-events: none;
  transition: opacity var(--transition);
}
.overlay.active { opacity: 1; pointer-events: all; }

/* ── Setup card ── */
.overlay-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  width: 100%; max-width: 440px;
  box-shadow: var(--shadow);
  text-align: center;
}
.logo-mark {
  font-size: 3rem; margin-bottom: .5rem;
  filter: drop-shadow(0 0 16px rgba(88,166,255,.4));
}
.logo-mark-btn {
  cursor: pointer;
  transition: transform .2s, filter .2s;
}
.logo-mark-btn:hover {
  transform: scale(1.15);
  filter: drop-shadow(0 0 22px rgba(88,166,255,.7));
}
.overlay-card h1 {
  font-family: var(--font-head);
  font-size: 2.2rem; font-weight: 800;
  letter-spacing: -.03em;
  background: linear-gradient(135deg, #58a6ff, #bc8cff);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.subtitle { color: var(--text-muted); margin-bottom: 1.5rem; }

.setup-form { text-align: left; }
.setup-form label {
  display: block; font-size: .8rem; font-weight: 500;
  color: var(--text-muted); margin: 1rem 0 .3rem;
  text-transform: uppercase; letter-spacing: .06em;
}
.setup-form input {
  width: 100%; padding: .65rem .85rem;
  background: var(--surface2); border: 1px solid var(--border);
  border-radius: var(--radius-sm); color: var(--text);
  font-family: var(--font-mono); font-size: .85rem;
  transition: border-color var(--transition);
}
.setup-form input:focus { outline: none; border-color: var(--accent); }

.divider {
  text-align: center; color: var(--text-dim);
  font-size: .8rem; margin: 1rem 0;
  position: relative;
}
.divider::before, .divider::after {
  content: '';
  position: absolute; top: 50%; width: 42%; height: 1px;
  background: var(--border);
}
.divider::before { left: 0; }
.divider::after { right: 0; }

.setup-note {
  font-size: .75rem; color: var(--text-dim);
  margin-top: 1rem; text-align: center;
}
.setup-note a { color: var(--accent); }

/* Sign-in area */
.signin-area { text-align: center; }

.btn-google {
  display: inline-flex; align-items: center; justify-content: center;
  gap: .75rem;
  background: #fff; color: #3c4043;
  border: 1px solid #dadce0; border-radius: var(--radius-sm);
  padding: .7rem 1.5rem; font-family: var(--font-body);
  font-size: .95rem; font-weight: 500; cursor: pointer;
  width: 100%; margin-top: 1.5rem;
  transition: box-shadow var(--transition), background var(--transition);
}
.btn-google:hover  { background: #f8f9fa; box-shadow: 0 1px 4px rgba(0,0,0,.2); }
.btn-google:disabled { opacity: .7; cursor: wait; }

.help-tip {
  display: inline-flex; align-items: center; justify-content: center;
  width: 14px; height: 14px; border-radius: 50%;
  background: var(--surface3); font-size: .65rem;
  cursor: help; margin-left: .3rem; vertical-align: middle;
}

/* ── Buttons ── */
.btn-primary {
  display: inline-flex; align-items: center; justify-content: center;
  gap: .4rem;
  background: var(--accent); color: #0d1117;
  border: none; border-radius: var(--radius-sm);
  padding: .7rem 1.25rem; font-family: var(--font-body);
  font-weight: 600; font-size: .9rem; cursor: pointer;
  width: 100%; margin-top: .75rem;
  transition: filter var(--transition), transform var(--transition);
}
.btn-primary:hover { filter: brightness(1.12); transform: translateY(-1px); }
.btn-primary:active { transform: translateY(0); filter: brightness(.95); }

.btn-ghost {
  display: inline-flex; align-items: center; justify-content: center;
  background: transparent; color: var(--text-muted);
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  padding: .7rem 1.25rem; font-family: var(--font-body);
  font-weight: 500; font-size: .9rem; cursor: pointer;
  width: 100%; margin-top: .5rem;
  transition: border-color var(--transition), color var(--transition);
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

.close-btn {
  position: absolute; top: 1rem; right: 1rem;
  background: var(--surface3); border: none;
  color: var(--text-muted); width: 30px; height: 30px;
  border-radius: 50%; font-size: .9rem; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background var(--transition), color var(--transition);
}
.close-btn:hover { background: var(--red); color: #fff; }

/* Scanner sits above all other overlays */
#scan-overlay { z-index: 400; }

/* ── Scanner ── */
.scan-card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem 1.25rem;
  width: 100%; max-width: 480px;
  box-shadow: var(--shadow);
}
.scan-card h2 {
  font-family: var(--font-head); text-align: center;
  margin-bottom: 1rem; font-size: 1.3rem;
}
#scanner-viewport {
  position: relative; border-radius: var(--radius);
  overflow: hidden; background: #000;
  aspect-ratio: 4/3;
}
.viewport { width: 100%; height: 100%; }
.viewport video { width: 100% !important; height: 100% !important; object-fit: cover; }
.viewport canvas { display: none; }
.scan-line {
  position: absolute; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  animation: scan 2s ease-in-out infinite;
  box-shadow: 0 0 10px var(--accent);
}
@keyframes scan {
  0%   { top: 20%; }
  50%  { top: 80%; }
  100% { top: 20%; }
}
#scan-status {
  position: absolute; bottom: .5rem; left: 50%;
  transform: translateX(-50%);
  background: rgba(0,0,0,.7); color: var(--text-muted);
  font-size: .75rem; padding: .25rem .75rem; border-radius: 99px;
  white-space: nowrap;
}
.scan-manual {
  display: flex; gap: .5rem; margin-top: 1rem;
}
.scan-manual input {
  flex: 1; padding: .6rem .85rem;
  background: var(--surface2); border: 1px solid var(--border);
  border-radius: var(--radius-sm); color: var(--text);
  font-family: var(--font-mono);
}
.scan-manual .btn-primary { width: auto; margin: 0; padding: .6rem 1rem; }

/* ── Fish Modal ── */
.modal-card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem 1.5rem 1.5rem;
  width: 100%; max-width: 600px;
  max-height: 90dvh; overflow-y: auto;
  box-shadow: var(--shadow);
}
.modal-card h2 {
  font-family: var(--font-head); font-size: 1.4rem;
  margin-bottom: 1.25rem;
}
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: .85rem;
}
.form-group { display: flex; flex-direction: column; gap: .35rem; }
.form-group.full-width { grid-column: 1 / -1; }
.form-group label {
  font-size: .78rem; font-weight: 500; text-transform: uppercase;
  letter-spacing: .06em; color: var(--text-muted);
}
.form-group input,
.form-group textarea,
.form-group select {
  padding: .6rem .85rem;
  background: var(--surface2); border: 1px solid var(--border);
  border-radius: var(--radius-sm); color: var(--text);
  font-family: var(--font-body); font-size: .9rem;
  transition: border-color var(--transition);
  resize: vertical;
}
.form-group input:focus,
.form-group textarea:focus { outline: none; border-color: var(--accent); }

/* Tag input */
.tag-input-area {
  min-height: 38px;
  padding: .4rem .6rem;
  background: var(--surface2); border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  display: flex; flex-wrap: wrap; gap: .35rem;
  margin-bottom: .4rem;
}
.marker-tag {
  display: inline-flex; align-items: center; gap: .3rem;
  background: rgba(63,185,80,.15); border: 1px solid rgba(63,185,80,.4);
  color: var(--green); border-radius: 99px;
  padding: .15rem .65rem; font-size: .8rem; font-family: var(--font-mono);
}
.marker-tag button {
  background: none; border: none; color: var(--green);
  cursor: pointer; font-size: .75rem; padding: 0; line-height: 1;
  opacity: .7;
}
.marker-tag button:hover { opacity: 1; }
.tag-add-row { display: flex; gap: .4rem; }
.tag-add-row input {
  flex: 1; padding: .5rem .75rem;
  background: var(--surface2); border: 1px solid var(--border);
  border-radius: var(--radius-sm); color: var(--text); font-size: .85rem;
}
.btn-tag-add {
  background: var(--surface3); border: 1px solid var(--border);
  color: var(--text); border-radius: var(--radius-sm);
  width: 36px; font-size: 1.2rem; cursor: pointer;
  transition: background var(--transition);
}
.btn-tag-add:hover { background: var(--accent); color: #000; }

/* Status picker */
.status-picker {
  display: flex; flex-wrap: wrap; gap: .5rem;
}
.status-opt {
  display: flex; align-items: center; gap: .4rem;
  padding: .4rem .85rem; border-radius: 99px;
  border: 1px solid var(--border); cursor: pointer;
  font-size: .85rem; font-weight: 500;
  transition: all var(--transition);
}
.status-opt input { display: none; }
.active-opt:has(input:checked) { background: rgba(63,185,80,.15); border-color: var(--green); color: var(--green); }
.breed-opt:has(input:checked)  { background: rgba(88,166,255,.15); border-color: var(--accent); color: var(--accent); }
.low-opt:has(input:checked)    { background: rgba(210,153,34,.15); border-color: var(--orange); color: var(--orange); }
.nursery-opt:has(input:checked)   { background: rgba(56,189,248,.15);  border-color: var(--nursery);    color: var(--nursery); }
.incubator-opt:has(input:checked) { background: rgba(245,158,11,.15);  border-color: var(--incubator);  color: var(--incubator); }
.archive-opt:has(input:checked) { background: rgba(125,133,144,.15); border-color: var(--text-muted); color: var(--text-muted); }

.modal-actions {
  display: flex; justify-content: flex-end; gap: .75rem; margin-top: 1.5rem;
}
.modal-actions .btn-ghost,
.modal-actions .btn-primary { width: auto; margin: 0; }

/* Tank ID with inline scan button */
.input-with-btn { display: flex; gap: .35rem; }
.input-with-btn input { flex: 1; }
.btn-scan-inline {
  background: var(--surface2); border: 1px solid var(--border);
  color: var(--text-muted); border-radius: var(--radius-sm);
  padding: .4rem .65rem; font-size: .9rem; cursor: pointer; flex-shrink: 0;
  transition: border-color var(--transition);
}
.btn-scan-inline:hover { border-color: var(--accent); }

/* Photo upload */
.photo-upload-wrap { display: flex; flex-direction: column; gap: .5rem; }
.photo-upload-btn {
  display: flex; align-items: center; justify-content: center; gap: .4rem;
  padding: .65rem 1rem;
  background: var(--surface2); border: 1.5px dashed var(--border);
  border-radius: var(--radius-sm); color: var(--text-muted);
  cursor: pointer; font-size: .88rem;
  transition: border-color var(--transition), color var(--transition);
}
.photo-upload-btn:hover  { border-color: var(--accent); color: var(--accent); }
.photo-upload-btn input[type="file"] { display: none; }
.photo-preview-wrap { position: relative; border-radius: var(--radius-sm); overflow: hidden; }
.photo-preview {
  width: 100%; max-height: 200px; object-fit: cover;
  border-radius: var(--radius-sm); display: block;
}
.photo-remove-btn {
  position: absolute; top: .5rem; right: .5rem;
  background: rgba(0,0,0,.7); color: #fff; border: none;
  border-radius: var(--radius-sm); padding: .25rem .6rem;
  font-size: .75rem; cursor: pointer;
  transition: background var(--transition);
}
.photo-remove-btn:hover { background: var(--red); }

/* Card photo thumbnail */
.card-thumb {
  width: calc(100% + 2.2rem); margin: -1.1rem -1.1rem .85rem;
  height: 110px; object-fit: cover;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  display: block;
}

/* Drawer photo */
.drawer-photo {
  width: 100%; border-radius: var(--radius); margin-bottom: 1rem;
  max-height: 320px; object-fit: cover; display: block;
  cursor: zoom-in;
}

/* Lightbox */
#photo-lightbox { z-index: 600; cursor: zoom-out; background: rgba(0,0,0,.92); }
.lightbox-img {
  max-width: 95vw; max-height: 92vh;
  object-fit: contain; border-radius: var(--radius);
  box-shadow: 0 8px 48px rgba(0,0,0,.6);
}

/* ── App Layout ── */
.app { display: flex; flex-direction: column; min-height: 100dvh; }
.hidden { display: none !important; }
.visually-hidden { display: none; }
body.modal-open { overflow: hidden; }

/* Header */
.app-header {
  position: sticky; top: 0; z-index: 100;
  display: flex; align-items: center; gap: .75rem;
  padding: .75rem 1.25rem;
  background: rgba(13,17,23,.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.header-left {
  display: flex; align-items: center; gap: .4rem;
  flex-shrink: 0;
}
.logo-icon { font-size: 1.4rem; }
.logo-text {
  font-family: var(--font-head); font-weight: 800;
  font-size: 1.15rem; letter-spacing: -.02em;
  background: linear-gradient(135deg, #58a6ff, #bc8cff);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.header-center { flex: 1; min-width: 0; }
.search-wrap {
  position: relative; display: flex; align-items: center;
}
.search-icon {
  position: absolute; left: .7rem;
  color: var(--text-dim); font-size: 1.1rem; pointer-events: none;
}
#search-input {
  width: 100%; padding: .55rem .85rem .55rem 2rem;
  background: var(--surface2); border: 1px solid var(--border);
  border-radius: 99px; color: var(--text); font-size: .9rem;
  font-family: var(--font-body);
  transition: border-color var(--transition), box-shadow var(--transition);
}
#search-input:focus {
  outline: none; border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}
.header-right {
  display: flex; align-items: center; gap: .5rem; flex-shrink: 0;
}
.btn-signout {
  background: transparent; color: var(--text-muted);
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  padding: .38rem .75rem; font-size: .8rem; cursor: pointer;
  white-space: nowrap; flex-shrink: 0;
  transition: border-color var(--transition), color var(--transition);
}
.btn-signout:hover { border-color: var(--red); color: var(--red); }
.icon-btn {
  background: var(--surface2); border: 1px solid var(--border);
  color: var(--text); width: 36px; height: 36px; border-radius: var(--radius-sm);
  font-size: 1rem; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: border-color var(--transition);
}
.icon-btn:hover { border-color: var(--accent); }
.add-btn { width: auto; margin: 0; padding: .5rem 1rem; }

/* Stats bar */
.stats-bar {
  display: flex; gap: .5rem;
  padding: .75rem 1.25rem;
  overflow-x: auto; scrollbar-width: none;
  border-bottom: 1px solid var(--border);
}
.stats-bar::-webkit-scrollbar { display: none; }
.stat-chip {
  display: flex; flex-direction: column; align-items: center;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: .6rem 1rem;
  cursor: pointer; min-width: 80px; flex-shrink: 0;
  transition: border-color var(--transition), transform var(--transition);
}
.stat-chip:hover { border-color: var(--accent); transform: translateY(-1px); }
.stat-num {
  font-family: var(--font-mono); font-size: 1.5rem; font-weight: 500;
  line-height: 1;
}
.stat-label { font-size: .68rem; color: var(--text-muted); margin-top: .15rem; text-transform: uppercase; letter-spacing: .06em; }
.active-color   { color: var(--green); }
.breed-color    { color: var(--accent); }
.low-color      { color: var(--orange); }
.nursery-color    { color: var(--nursery); }
.incubator-color  { color: var(--incubator); }

/* Mobile filter toggle bar — hidden on desktop */
.filter-toggle-bar {
  display: none;
  align-items: center; gap: .5rem;
  padding: .45rem .75rem .45rem 1rem;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}
.filter-toggle-btn {
  background: var(--surface2); border: 1px solid var(--border);
  color: var(--text-muted); border-radius: var(--radius-sm);
  padding: .35rem .75rem; font-size: .8rem; cursor: pointer;
  white-space: nowrap; flex-shrink: 0;
  transition: border-color var(--transition), color var(--transition);
}
.filter-toggle-btn:hover { border-color: var(--accent); color: var(--accent); }

/* Mini stats bar inside toggle bar */
.mini-stats-bar {
  display: flex; align-items: center; gap: .4rem;
  flex: 1; min-width: 0; overflow-x: auto; scrollbar-width: none;
}
.mini-stats-bar::-webkit-scrollbar { display: none; }
.mini-stat {
  display: inline-flex; align-items: center; gap: .2rem;
  padding: .2rem .45rem; border-radius: var(--radius-sm);
  cursor: pointer; white-space: nowrap; flex-shrink: 0;
  transition: background var(--transition);
}
.mini-stat:hover { background: var(--surface2); }
.mini-stat-sel  { background: var(--accent-glow); }
.mini-stat-dot  { font-size: .55rem; line-height: 1; }
.mini-stat-count { font-family: var(--font-mono); font-size: .82rem; font-weight: 500; color: var(--text); }
.mini-stat-label { font-size: .72rem; color: var(--text-muted); }

/* Status dot colors */
.sc-active    { color: var(--green); }
.sc-nursery   { color: var(--nursery); }
.sc-incubator { color: var(--incubator); }
.sc-low-stock { color: var(--orange); }
.sc-archived  { color: var(--text-dim); }

/* ── Mobile Filter Bottom Sheet ── */
.mobile-filter-sheet {
  position: fixed; inset: 0; z-index: 350;
  pointer-events: none;
}
.mobile-filter-sheet.open { pointer-events: all; }

.mobile-filter-backdrop {
  position: absolute; inset: 0;
  background: rgba(0,0,0,.6); backdrop-filter: blur(4px);
  opacity: 0; transition: opacity .25s ease;
}
.mobile-filter-sheet.open .mobile-filter-backdrop { opacity: 1; }

.mobile-filter-inner {
  position: absolute; bottom: 0; left: 0; right: 0;
  background: var(--surface);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  border-top: 1px solid var(--border);
  max-height: 85dvh; display: flex; flex-direction: column;
  transform: translateY(100%);
  transition: transform .3s cubic-bezier(.4,0,.2,1);
}
.mobile-filter-sheet.open .mobile-filter-inner { transform: translateY(0); }

.mobile-filter-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1rem 1.25rem .75rem; border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.mobile-filter-title {
  font-family: var(--font-head); font-weight: 700; font-size: 1.05rem;
}
.mf-close-btn {
  background: var(--surface3); border: none; color: var(--text-muted);
  width: 28px; height: 28px; border-radius: 50%; font-size: .85rem;
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  transition: background var(--transition);
}
.mf-close-btn:hover { background: var(--red); color: #fff; }

.mobile-filter-body { flex: 1; overflow-y: auto; }

.mobile-filter-footer {
  display: flex; gap: .75rem; padding: .75rem 1.25rem;
  border-top: 1px solid var(--border); flex-shrink: 0;
}
.mf-btn { flex: 1; margin: 0; width: auto; }

/* Sheet sections */
.mf-section { border-bottom: 1px solid var(--border); }
.mf-section:last-child { border-bottom: none; }
.mf-section-title {
  font-size: .68rem; text-transform: uppercase; letter-spacing: .08em;
  color: var(--text-dim); padding: .75rem 1.25rem .35rem;
  font-weight: 600;
}
.mf-row {
  display: flex; align-items: center; gap: .75rem;
  width: 100%; background: none; border: none; color: var(--text);
  padding: .75rem 1.25rem; font-size: .95rem; cursor: pointer; text-align: left;
  transition: background var(--transition);
}
.mf-row:hover    { background: var(--surface2); }
.mf-row.mf-row-active { background: var(--accent-glow); }
.mf-check {
  width: 20px; height: 20px; border-radius: 5px; flex-shrink: 0;
  border: 1.5px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-size: .8rem; color: transparent;
  transition: all var(--transition);
}
.mf-row.mf-row-active .mf-check {
  background: var(--accent); border-color: var(--accent); color: #000; font-weight: 700;
}
.mf-status-dot  { font-size: .65rem; flex-shrink: 0; }
.mf-row-label   { flex: 1; font-family: var(--font-body); }
.mf-row-count   { font-family: var(--font-mono); font-size: .82rem; color: var(--text-muted); }
.mf-marker-pos  { font-family: var(--font-mono); color: var(--green); }
.mf-marker-neg  { font-family: var(--font-mono); color: var(--red); }

.mf-sort-row {
  display: flex; align-items: center; gap: .5rem;
  padding: .5rem 1.25rem .75rem;
}
.mf-sort-select {
  flex: 1; padding: .55rem .75rem;
  background: var(--surface2); border: 1px solid var(--border);
  border-radius: var(--radius-sm); color: var(--text); font-size: .9rem;
}
.mf-sort-select:focus { outline: none; border-color: var(--accent); }
.mf-dir-btn {
  background: var(--surface2); border: 1px solid var(--border);
  color: var(--text-muted); border-radius: var(--radius-sm);
  width: 38px; height: 38px; font-size: 1rem; cursor: pointer; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  transition: border-color var(--transition), color var(--transition);
}
.mf-dir-btn:hover { border-color: var(--accent); color: var(--accent); }

/* Filter bar */
.filter-bar {
  display: flex; align-items: center; justify-content: space-between;
  padding: .6rem 1.25rem; gap: .75rem;
  border-bottom: 1px solid var(--border);
}
.filter-chips {
  display: flex; gap: .4rem; flex-shrink: 1;
  overflow-x: auto; scrollbar-width: none; min-width: 0;
}
.filter-chips::-webkit-scrollbar { display: none; }
.filter-right { display: flex; align-items: center; gap: .5rem; flex-shrink: 0; }

/* Marker filter dropdown */
.marker-filter-wrap { position: relative; }
.marker-filter-btn {
  background: var(--surface2); border: 1px solid var(--border);
  color: var(--text-muted); border-radius: var(--radius-sm);
  padding: .35rem .65rem; font-size: .8rem; cursor: pointer; white-space: nowrap;
  transition: border-color var(--transition), color var(--transition);
}
.marker-filter-btn:hover,
.marker-filter-btn.active { border-color: var(--green); color: var(--green); }
.neg-filter-btn { color: var(--text-muted); }
.neg-filter-btn:hover,
.neg-filter-btn.active { border-color: var(--red); color: var(--red); }
.marker-dropdown {
  position: fixed;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); box-shadow: var(--shadow);
  padding: .5rem; min-width: 160px; max-height: 260px;
  overflow-y: auto; z-index: 500;
}
.marker-check {
  display: flex; align-items: center; gap: .5rem;
  padding: .35rem .5rem; border-radius: var(--radius-sm);
  font-size: .85rem; cursor: pointer;
  transition: background var(--transition);
}
.marker-check:hover { background: var(--surface2); }
.marker-check input { accent-color: var(--accent); }
.marker-dropdown-empty { font-size: .8rem; color: var(--text-dim); padding: .25rem .5rem; }

/* ── Marker picker (Add/Edit modal) ── */
.marker-picker-wrap { position: relative; margin-top: .35rem; }
.marker-picker-btn {
  width: 100%; text-align: left;
  background: var(--surface2); border: 1.5px dashed var(--border);
  color: var(--text-muted); border-radius: var(--radius-sm);
  padding: .5rem .85rem; font-size: .85rem; cursor: pointer;
  transition: border-color var(--transition), color var(--transition);
}
.marker-picker-btn:hover     { border-color: var(--green); color: var(--green); }
.marker-picker-btn-neg:hover { border-color: var(--red);    color: var(--red);    }

.marker-picker-dropdown {
  position: absolute; left: 0; right: 0; top: calc(100% + 4px);
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); box-shadow: var(--shadow);
  max-height: 230px; overflow-y: auto; z-index: 250;
  padding: .3rem 0;
}
.mpick-row {
  display: flex; align-items: center; gap: .6rem;
  padding: .45rem .9rem; font-size: .87rem; cursor: pointer;
  font-family: var(--font-mono);
  transition: background var(--transition);
}
.mpick-row:hover    { background: var(--surface2); }
.mpick-row.mpick-checked { background: rgba(63,185,80,.08); }
.mpick-row input    { accent-color: var(--green); flex-shrink: 0; }
.mpick-divider {
  font-size: .7rem; color: var(--text-dim); text-align: center;
  padding: .4rem .9rem .25rem;
  border-top: 1px solid var(--border); margin-top: .2rem;
}
.mpick-new-row {
  display: flex; gap: .4rem; padding: .4rem .9rem .5rem;
}
.mpick-new-input {
  flex: 1; padding: .4rem .65rem;
  background: var(--surface2); border: 1px solid var(--border);
  border-radius: var(--radius-sm); color: var(--text); font-size: .85rem;
}
.mpick-new-input:focus { outline: none; border-color: var(--accent); }

/* Field note */
.field-note {
  font-size: .74rem; color: var(--orange);
  margin: -.15rem 0 .4rem; font-style: italic;
}
.chip {
  background: var(--surface2); border: 1px solid var(--border);
  color: var(--text-muted); border-radius: 99px;
  padding: .3rem .85rem; font-size: .8rem; font-weight: 500;
  cursor: pointer; white-space: nowrap;
  transition: all var(--transition);
}
.chip:hover  { border-color: var(--accent); color: var(--accent); }
.chip.active { background: var(--accent-glow); border-color: var(--accent); color: var(--accent); }

.sort-select {
  background: var(--surface2); border: 1px solid var(--border);
  color: var(--text-muted); border-radius: var(--radius-sm);
  padding: .35rem .65rem; font-size: .8rem; cursor: pointer;
  flex-shrink: 0;
}
.sort-select:focus { outline: none; border-color: var(--accent); }
.sort-dir-btn {
  background: var(--surface2); border: 1px solid var(--border);
  color: var(--text-muted); border-radius: var(--radius-sm);
  width: 28px; height: 28px; font-size: .9rem; cursor: pointer; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  transition: border-color var(--transition), color var(--transition);
}
.sort-dir-btn:hover { border-color: var(--accent); color: var(--accent); }

/* ── Fish Grid ── */
.fish-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
  gap: .85rem;
  padding: 1rem 1.25rem 5rem;
  flex: 1;
}

/* ── Fish Card ── */
.fish-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.1rem 1.1rem .9rem;
  cursor: pointer;
  position: relative; overflow: hidden;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
  animation: cardIn .25s ease forwards;
}
@keyframes cardIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}
.fish-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 3px;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}
.fish-card.status-Active::before      { background: var(--green); }
.fish-card.status-Breeding::before    { background: var(--accent); }
.fish-card.status-Nursery::before     { background: var(--nursery); }
.fish-card.status-Incubator::before   { background: var(--incubator); }
.fish-card.status-Low\ Stock::before  { background: var(--orange); }
.fish-card.status-Archived::before    { background: var(--text-dim); }

.fish-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(0,0,0,.4);
}

.card-header {
  display: flex; justify-content: space-between; align-items: flex-start;
  margin-bottom: .6rem;
}
.tank-id {
  font-family: var(--font-mono); font-size: .85rem; font-weight: 500;
  color: var(--text-muted);
}
.fert-date {
  font-family: var(--font-mono); font-size: .78rem;
  color: var(--text-dim);
}
.status-badge {
  font-size: .7rem; font-weight: 600; text-transform: uppercase;
  letter-spacing: .06em; padding: .15rem .6rem; border-radius: 99px;
}
.badge-Active     { background: rgba(63,185,80,.15);  color: var(--green); }
.badge-Breeding   { background: rgba(88,166,255,.15); color: var(--accent); }
.badge-Nursery    { background: rgba(56,189,248,.15);  color: var(--nursery); }
.badge-Incubator  { background: rgba(245,158,11,.15);  color: var(--incubator); }
.badge-Low\ Stock { background: rgba(210,153,34,.15); color: var(--orange); }
.badge-Archived   { background: rgba(125,133,144,.1); color: var(--text-dim); }

.line-name {
  font-family: var(--font-head); font-size: 1.05rem; font-weight: 700;
  margin-bottom: .25rem; word-break: break-word;
}
.genotype {
  font-family: var(--font-mono); font-size: .8rem;
  color: var(--text-muted); margin-bottom: .6rem;
}

.card-meta {
  display: flex; gap: .5rem; flex-wrap: wrap;
  margin-bottom: .7rem;
}
.meta-item {
  display: flex; align-items: center; gap: .25rem;
  font-size: .78rem; color: var(--text-muted);
}
.meta-icon { font-size: .8rem; }

.card-markers {
  display: flex; flex-wrap: wrap; gap: .3rem; margin-bottom: .7rem;
}
.m-tag {
  font-family: var(--font-mono); font-size: .72rem;
  background: rgba(63,185,80,.1); border: 1px solid rgba(63,185,80,.3);
  color: var(--green); padding: .1rem .5rem; border-radius: 99px;
}
.m-tag-neg {
  background: rgba(248,81,73,.1); border-color: rgba(248,81,73,.35);
  color: var(--red);
}
.marker-tag-neg {
  background: rgba(248,81,73,.12); border-color: rgba(248,81,73,.4);
  color: var(--red);
}
.marker-tag-neg button { color: var(--red); }
.btn-tag-neg:hover { background: var(--red); color: #fff; }

.card-footer {
  display: flex; align-items: center; justify-content: space-between;
  gap: .5rem; margin-top: .4rem;
}
.card-footer .tank-id {
  font-family: var(--font-mono); font-size: .72rem;
  color: var(--text-dim); min-width: 0;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.card-actions {
  display: flex; gap: .4rem; flex-shrink: 0;
}
.card-btn {
  background: var(--surface2); border: 1px solid var(--border);
  color: var(--text-muted); border-radius: var(--radius-sm);
  padding: .3rem .65rem; font-size: .78rem; cursor: pointer;
  transition: all var(--transition);
}
.card-btn:hover { border-color: var(--accent); color: var(--accent); }
.card-btn.danger:hover { border-color: var(--red); color: var(--red); }

/* ── Detail Drawer ── */
.drawer {
  position: fixed; right: -100%; top: 0; bottom: 0;
  width: min(400px, 100vw); z-index: 300;
  transition: right .3s cubic-bezier(.4,0,.2,1);
}
.drawer.open { right: 0; }
.drawer-inner {
  height: 100%; overflow-y: auto;
  background: var(--surface);
  border-left: 1px solid var(--border);
  padding: 1.5rem;
  position: relative;
}
.drawer-backdrop {
  position: fixed; inset: 0; z-index: 299;
  background: rgba(0,0,0,.5); backdrop-filter: blur(2px);
  opacity: 0; pointer-events: none;
  transition: opacity var(--transition);
}
.drawer-backdrop.active { opacity: 1; pointer-events: all; }

.drawer-fish-id { font-family: var(--font-mono); color: var(--text-muted); font-size: .85rem; }
.drawer-line    { font-family: var(--font-head); font-size: 1.5rem; font-weight: 800; margin: .25rem 0; }
.drawer-section { margin-top: 1.25rem; }
.drawer-section h4 {
  font-size: .72rem; text-transform: uppercase; letter-spacing: .08em;
  color: var(--text-dim); margin-bottom: .6rem;
}
.drawer-row {
  display: flex; justify-content: space-between;
  padding: .45rem 0; border-bottom: 1px solid var(--border);
  font-size: .88rem;
}
.drawer-row:last-child { border-bottom: none; }
.drawer-row-label { color: var(--text-muted); }
.drawer-row-val   { font-family: var(--font-mono); font-weight: 500; }

.drawer-actions {
  display: flex; gap: .5rem; margin-top: 1.5rem;
}
.drawer-actions button { flex: 1; }

/* ── Empty state ── */
.empty-state {
  grid-column: 1/-1; display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: .75rem;
  padding: 4rem 2rem; color: var(--text-dim);
}
.empty-icon { font-size: 3rem; filter: grayscale(1); opacity: .4; }

/* ── FAB ── */
.fab {
  position: fixed; bottom: 1.5rem; right: 1.5rem; z-index: 50;
  width: 54px; height: 54px; border-radius: 50%;
  background: var(--accent); color: #0d1117;
  border: none; font-size: 1.6rem; cursor: pointer;
  box-shadow: 0 4px 20px rgba(88,166,255,.4);
  display: none;
  align-items: center; justify-content: center;
  transition: transform var(--transition), box-shadow var(--transition);
}
.fab:hover { transform: scale(1.08); box-shadow: 0 6px 28px rgba(88,166,255,.55); }

/* ── Toast ── */
.toast {
  position: fixed; bottom: 1.5rem; left: 50%; transform: translateX(-50%) translateY(80px);
  background: var(--surface2); border: 1px solid var(--border);
  color: var(--text); padding: .6rem 1.25rem; border-radius: 99px;
  font-size: .85rem; z-index: 999; white-space: nowrap;
  transition: transform .3s cubic-bezier(.4,0,.2,1), opacity .3s;
  opacity: 0; pointer-events: none;
}
.toast.show { transform: translateX(-50%) translateY(0); opacity: 1; }

/* ── Sync spinner ── */
.spinning { animation: spin .7s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Responsive ── */
@media (max-width: 600px) {
  .add-btn    { display: none; }
  .fab        { display: flex; }
  .logo-text  { display: none; }
  .btn-signout { padding: .3rem .55rem; font-size: .72rem; }

  .form-grid { grid-template-columns: 1fr; }
  .form-group.full-width { grid-column: 1; }

  .fish-grid { grid-template-columns: 1fr; padding: .75rem .75rem 5rem; }

  .app-header { padding: .6rem .75rem; }
  .stats-bar, .filter-bar { padding: .6rem .75rem; }

  .modal-card { padding: 1.5rem 1rem 1rem; }
  .modal-actions { flex-direction: column; }
  .modal-actions .btn-ghost,
  .modal-actions .btn-primary { width: 100%; }

  /* Show mini-stat toggle bar, hide full desktop filter panel */
  .filter-toggle-bar { display: flex; }
  .filter-panel { display: none; }

  #picker-filter-sheet { z-index: 600; }
}

/* Hide Add Tank button and FAB in experiment mode */
.app.in-experiment .add-btn,
.app.in-experiment .fab { display: none !important; }

/* Hide stats bar in experiment mode */
.filter-panel.exp-mode .stats-bar,
.filter-toggle-bar.exp-mode .mini-stats-bar { display: none; }

/* ── Experiments button ───────────────────────────────────────────────────── */
.exp-btn-wrap { position: relative; }

.btn-exp {
  background: var(--surface2);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: var(--radius);
  padding: .45rem .75rem;
  font-size: .85rem;
  cursor: pointer;
  white-space: nowrap;
  transition: background .15s;
}
.btn-exp:hover { background: var(--surface3); }

/* Experiments dropdown */
.exp-dropdown {
  position: fixed;
  z-index: 500;
  min-width: 240px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 8px 32px rgba(0,0,0,.35);
  overflow: hidden;
}
.exp-dd-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: .6rem .85rem;
  border-bottom: 1px solid var(--border);
}
.exp-dd-title { font-size: .8rem; font-weight: 600; color: var(--text-dim); text-transform: uppercase; letter-spacing: .05em; }
.exp-dd-new {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: calc(var(--radius) - 2px);
  padding: .25rem .6rem;
  font-size: .78rem;
  cursor: pointer;
}
.exp-dd-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  background: none;
  border: none;
  padding: .65rem .85rem;
  text-align: left;
  cursor: pointer;
  color: var(--text);
  transition: background .12s;
}
.exp-dd-row:hover, .exp-dd-active { background: var(--surface3); }
.exp-dd-active .exp-dd-name { color: var(--accent); }
.exp-dd-count { font-size: .75rem; color: var(--text-dim); }
.exp-dd-empty { padding: .75rem .85rem; color: var(--text-dim); font-size: .85rem; margin: 0; }

/* Experiment context bar */
.experiment-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .75rem;
  padding: .5rem 1.25rem;
  background: rgba(88,166,255,.08);
  border-bottom: 1px solid rgba(88,166,255,.2);
  flex-wrap: wrap;
}
.experiment-bar.hidden { display: none; }
.exp-bar-left { display: flex; align-items: center; gap: .5rem; min-width: 0; }
.exp-bar-label { font-size: 1rem; }
.exp-bar-name { font-weight: 600; color: var(--accent); font-size: .95rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.exp-bar-input {
  background: var(--surface2);
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  color: var(--text);
  padding: .25rem .5rem;
  font-size: .95rem;
  font-family: var(--font-head);
  width: 180px;
}
.exp-bar-rename-btn { background: none; border: none; cursor: pointer; font-size: .85rem; opacity: .6; }
.exp-bar-rename-btn:hover { opacity: 1; }
.exp-bar-right { display: flex; align-items: center; gap: .5rem; }
.btn-exp-action {
  background: var(--surface2);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: var(--radius);
  padding: .3rem .7rem;
  font-size: .8rem;
  cursor: pointer;
  transition: background .15s;
}
.btn-exp-action:hover { background: var(--surface3); }
.btn-exp-action.danger { color: #f85149; border-color: rgba(248,81,73,.35); }
.btn-exp-action.danger:hover { background: rgba(248,81,73,.12); }
.btn-exp-close {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-dim);
  border-radius: var(--radius);
  padding: .3rem .7rem;
  font-size: .8rem;
  cursor: pointer;
}
.btn-exp-close:hover { background: var(--surface3); color: var(--text); }

/* Tank picker overlay */
.picker-card-wrap {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  width: min(680px, 95vw);
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: 0 16px 48px rgba(0,0,0,.5);
}
.picker-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem .75rem;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.picker-header h2 { margin: 0; font-size: 1.1rem; }
.picker-search-wrap { padding: .75rem 1.25rem; border-bottom: 1px solid var(--border); flex-shrink: 0; overflow-x: hidden; }

.picker-filter-row {
  display: flex;
  align-items: center;
  gap: .5rem;
  margin-top: .5rem;
  flex-wrap: wrap;
}
.picker-status-chips { display: flex; flex-wrap: wrap; gap: .35rem; }
.picker-status-chip { font-size: .75rem; padding: .25rem .6rem; }
.picker-marker-row { margin-top: .4rem; }

/* Drawer experiment membership */
.drawer-exp-list { display: flex; flex-wrap: wrap; gap: .45rem; padding: .4rem 0; }
.drawer-exp-btn {
  background: var(--surface2);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: var(--radius);
  padding: .3rem .7rem;
  font-size: .82rem;
  cursor: pointer;
  transition: background .15s, border-color .15s;
}
.drawer-exp-btn:hover { background: var(--surface3); }
.exp-member-active {
  background: rgba(88,166,255,.12);
  border-color: var(--accent);
  color: var(--accent);
  font-weight: 600;
}

.picker-search-wrap input {
  width: 100%;
  box-sizing: border-box;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  padding: .5rem .75rem;
  font-size: .9rem;
  font-family: var(--font-head);
}
.picker-grid {
  overflow-y: auto;
  flex: 1;
  padding: .75rem 1.25rem;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: .6rem;
  align-content: start;
}
.picker-empty { color: var(--text-dim); font-size: .9rem; grid-column: 1/-1; }
.picker-card {
  display: flex;
  align-items: flex-start;
  gap: .5rem;
  background: var(--surface2);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: .6rem .75rem;
  cursor: pointer;
  transition: border-color .15s, background .15s;
}
.picker-card:hover { background: var(--surface3); }
.picker-card-checked { border-color: var(--accent); background: rgba(88,166,255,.08); }
.picker-cb { margin-top: .15rem; accent-color: var(--accent); flex-shrink: 0; }
.picker-card-body { min-width: 0; }
.picker-card-line { font-weight: 600; font-size: .88rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.picker-card-meta { display: flex; flex-wrap: wrap; gap: .3rem; margin-top: .3rem; align-items: center; }
.picker-card-id { font-size: .72rem; color: var(--text-dim); font-family: monospace; }
.picker-card-loc { font-size: .72rem; color: var(--text-dim); }
.picker-footer {
  display: flex;
  justify-content: flex-end;
  gap: .75rem;
  padding: .75rem 1.25rem;
  border-top: 1px solid var(--border);
  flex-shrink: 0;
}

@media (max-width: 400px) {
  .stat-chip { min-width: 65px; padding: .5rem .6rem; }
  .stat-num  { font-size: 1.2rem; }
}

/* ── Quick Start Guide ───────────────────────────────────────────────────────── */
.guide-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  width: min(640px, 95vw);
  max-height: 88vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: 0 16px 48px rgba(0,0,0,.5);
  position: relative;
}

.guide-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem 1.5rem 1rem;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.guide-fish { font-size: 2rem; line-height: 1; }
.guide-header h2 { margin: 0; font-size: 1.2rem; }
.guide-sub { margin: .15rem 0 0; font-size: .82rem; color: var(--text-dim); }

.guide-warning {
  background: rgba(248,81,73,.1);
  border: 1px solid rgba(248,81,73,.3);
  border-radius: var(--radius);
  padding: .75rem 1rem;
  font-size: .85rem;
  color: var(--text);
  line-height: 1.5;
  flex-shrink: 0;
  margin: .75rem 1.5rem 0;
}
.guide-warning strong { color: #f85149; }

.guide-body {
  overflow-y: auto;
  flex: 1;
  padding: 1rem 1.5rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.guide-section h3 {
  font-size: .95rem;
  font-weight: 700;
  margin: 0 0 .4rem;
  color: var(--text);
}
.guide-section p {
  font-size: .87rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin: 0;
}
.guide-section ul {
  margin: .4rem 0 0 1rem;
  padding: 0;
  font-size: .87rem;
  color: var(--text-muted);
  line-height: 1.7;
}
.guide-section strong { color: var(--text); }
.guide-section em { color: var(--text-dim); font-style: normal; }
.guide-contact {
  border-top: 1px solid var(--border);
  padding-top: 1rem;
}
.guide-section a { color: var(--accent); }