/* ── Variables ── */
:root {
  --bg: #0a0a0a;
  --surface: #111111;
  --surface2: #1a1a1a;
  --border: #242424;
  --accent: #11d465;
  --accent-b: rgba(17,212,101,.3);
  --accent-bg: rgba(17,212,101,.07);
  --text: #f0f0f0;
  --text2: #a0a0a0;
  --text3: #606060;
  --mono: 'JetBrains Mono', 'Fira Code', monospace;
  --term: 'VT323', monospace;
  --sans: 'Inter', system-ui, sans-serif;
  --red: #ef4444;
  --amber: #f59e0b;
  --blue: #3b82f6;
  --teal: #14b8a6;
  --purple: #a855f7;
  --r: 8px;
  --sidebar-w: 220px;
  --header-h: 52px;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; background: var(--bg); color: var(--text); font-family: var(--sans); font-size: 16px; overflow: hidden; }
input, textarea, select, button { font-family: inherit; font-size: inherit; }

/* ── Layout ── */
#app { display: grid; grid-template-rows: var(--header-h) 1fr; grid-template-columns: var(--sidebar-w) 1fr; height: 100vh; }

/* ── Header ── */
#header {
  grid-column: 1 / -1;
  display: flex; align-items: center; gap: 12px;
  padding: 0 16px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  z-index: 100;
}
.header-logo { display: flex; align-items: center; gap: 8px; font-family: var(--mono); font-weight: 700; font-size: .95rem; white-space: nowrap; }
.header-logo i { color: var(--accent); font-size: 1rem; }
.header-logo span span { color: var(--accent); }
.header-sep { width: 1px; height: 24px; background: var(--border); }
.search-wrap { flex: 1; max-width: 480px; position: relative; display: flex; align-items: center; gap: 8px; background: var(--surface2); border: 1px solid var(--border); border-radius: var(--r); padding: 0 12px; transition: border-color .15s; }
.search-wrap:focus-within { border-color: var(--accent-b); }
.search-wrap > i { color: var(--text3); font-size: .8rem; flex-shrink: 0; }
.search-wrap input { flex: 1; background: none; border: none; outline: none; color: var(--text); padding: 8px 0; font-size: .82rem; }
.search-wrap input::placeholder { color: var(--text3); }
#search-results { position: absolute; top: calc(100% + 6px); left: 0; right: 0; background: var(--surface); border: 1px solid var(--border); border-radius: var(--r); box-shadow: 0 8px 32px rgba(0,0,0,.5); display: none; z-index: 200; max-height: 360px; overflow-y: auto; }
#search-results.open { display: block; }
.sr-item { display: flex; align-items: center; gap: 10px; padding: 9px 14px; cursor: pointer; transition: background .1s; }
.sr-item:hover { background: var(--surface2); }
.sr-icon { font-size: .8rem; color: var(--text3); width: 18px; min-width: 18px; text-align: center; flex-shrink: 0; }
.sr-name { font-family: var(--mono); font-size: .78rem; color: var(--text); flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sr-name mark { background: var(--accent-bg); color: var(--accent); border-radius: 2px; }
.sr-cat { font-size: .68rem; color: var(--text3); flex-shrink: 0; }
.sr-empty { padding: 14px; font-size: .78rem; color: var(--text3); text-align: center; }
.header-actions { margin-left: auto; display: flex; gap: 6px; }
.hdr-btn { background: none; border: 1px solid var(--border); border-radius: 6px; color: var(--text2); padding: 5px 10px; cursor: pointer; font-size: .90rem; transition: all .15s; white-space: nowrap; display:inline-flex; align-items: center; gap: 6px; }
.hdr-btn:hover { border-color: var(--accent-b); color: var(--accent); }

/* ── Sidebar ── */
#sidebar { overflow-y: auto; overflow-x: hidden; border-right: 1px solid var(--border); background: var(--surface); padding: 8px 0; scrollbar-width: thin; scrollbar-color: var(--border) transparent; }
.nav-cat { display: flex; align-items: center; gap: 8px; padding: 7px 14px; cursor: pointer; font-size: .78rem; color: var(--text2); font-weight: 500; transition: all .12s; border-radius: 0; }
.nav-cat:hover, .nav-cat.active { color: var(--text); background: var(--surface2); }
.nav-cat.active { color: var(--accent); }
.nav-cat i { width: 16px; text-align: center; font-size: .8rem; flex-shrink: 0; }
.nav-cat span:not(.nav-count) { flex: 1; }
.nav-count { font-family: var(--mono); font-size: .62rem; color: var(--text3); }
.nav-tools { display: none; }
.nav-tools.open { display: block; }
.nav-tool { display: flex; align-items: center; gap: 8px; padding: 5px 14px 5px 28px; cursor: pointer; font-size: .75rem; color: var(--text3); transition: all .1s; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.nav-tool:hover { color: var(--text2); background: rgba(255,255,255,.03); }
.nav-tool.active { color: var(--accent); background: var(--accent-bg); }
.nav-tool i { width: 14px; text-align: center; flex-shrink: 0; font-size: .72rem; }

.nav-tool { font-size: .82rem; padding: 7px 14px 7px 32px; }
.nav-tool span { font-size: .82rem; }
.nav-chevron {
  font-size: .6rem; color: var(--text3); margin-left: auto;
  transition: transform .2s; flex-shrink: 0; padding: 4px;
}
.nav-cat:hover .nav-chevron { color: var(--text2); }

/* ── Main ── */
#main { overflow-y: auto; padding: 0; scrollbar-width: thin; scrollbar-color: var(--border) transparent; }
#home-view, #cat-view, #tool-view, #search-view { min-height: 100%; }

/* ── Home ── */
.home-hero { padding: 48px 32px 32px; text-align: center; border-bottom: 1px solid var(--border); }
.hero-title { font-family: var(--mono); font-size: 2rem; font-weight: 700; margin-bottom: 8px; }
.hero-title span { color: var(--accent); }
.hero-title i { color: var(--accent); margin-right: 8px; }
.hero-sub { color: var(--text3); font-size: .88rem; margin-bottom: 20px; }
.hero-search { display: inline-flex; align-items: center; gap: 10px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--r); padding: 10px 20px; cursor: pointer; font-size: .82rem; color: var(--text3); transition: border-color .15s; }
.hero-search:hover { border-color: var(--accent-b); }
.hero-search kbd { background: var(--surface2); border: 1px solid var(--border); border-radius: 4px; padding: 1px 6px; font-family: var(--mono); font-size: .68rem; color: var(--text3); }
.home-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 12px; padding: 28px 24px; }
.home-card { background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 20px 16px; cursor: pointer; transition: all .15s; text-align: center; }
.home-card:hover { border-color: var(--accent-b); background: var(--surface2); transform: translateY(-2px); }
.home-card-icon { font-size: 1.6rem; margin-bottom: 10px; }
.home-card-label { font-weight: 600; font-size: .88rem; margin-bottom: 4px; }
.home-card-count { font-family: var(--mono); font-size: .68rem; color: var(--text3); }

/* ── Category view ── */
.cat-header { display: flex; align-items: center; gap: 12px; padding: 20px 24px 16px; border-bottom: 1px solid var(--border); font-family: var(--mono); }
.cat-header i { font-size: 1.2rem; }
.cat-header h2 { font-size: 1.1rem; font-weight: 700; }
.tool-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 10px; padding: 20px 24px; }
.tool-card { background: var(--surface); border: 1px solid var(--border); border-radius: 9px; padding: 16px; cursor: pointer; transition: all .15s; position: relative; }
.tool-card:hover { border-color: var(--accent-b); background: var(--surface2); }
.tc-icon { font-size: 1.2rem; color: var(--accent); margin-bottom: 8px; }
.tc-name { font-weight: 600; font-size: .88rem; margin-bottom: 4px; }
.tc-desc { font-size: .75rem; color: var(--text3); line-height: 1.5; }
.tc-arrow { position: absolute; top: 16px; right: 16px; color: var(--text3); font-size: .75rem; opacity: 0; transition: opacity .15s; }
.tool-card:hover .tc-arrow { opacity: 1; }

/* ── Tool view ── */
#tool-view { padding: 0; }
.tool-view-header { padding: 16px 24px 14px; border-bottom: 1px solid var(--border); background: var(--surface); }
.back-btn { display: inline-flex; align-items: center; gap: 6px; font-size: .85rem; color: var(--text3); background: none; border: none; cursor: pointer; padding: 0; margin-bottom: 20px; transition: color .1s; }
.back-btn:hover { color: var(--accent); }
.tvh-title { display: flex; align-items: center; gap: 10px; margin-bottom: 4px; }
.tvh-title h2 { font-size: 1.1rem; font-weight: 700; }
.tvh-title i { font-size: 1rem; }
.tvh-desc { font-size: .78rem; color: var(--text3); }
.tool-view-body { padding: 20px 24px 40px; max-width: 900px; }
.tool-loading { display: flex; align-items: center; gap: 10px; color: var(--text3); font-size: .82rem; padding: 40px 0; }

/* ── Tool UI components ── */
.t-group { margin-bottom: 16px; }
.t-label { font-family: var(--mono); font-size: .68rem; color: var(--text3); text-transform: uppercase; letter-spacing: .08em; margin-bottom: 6px; }
.t-label span { text-transform: none; font-weight: 400; color: var(--text3); margin-left: 6px; }
.t-input { width: 100%; background: var(--surface); border: 1px solid var(--border); border-radius: var(--r); color: var(--text); padding: 9px 12px; outline: none; transition: border-color .15s; }
.t-input:focus { border-color: var(--accent-b); }
.t-textarea { width: 100%; background: var(--surface); border: 1px solid var(--border); border-radius: var(--r); color: var(--text); padding: 10px 12px; outline: none; resize: vertical; line-height: 1.6; transition: border-color .15s; }
.t-textarea:focus { border-color: var(--accent-b); }
.t-textarea.code { font-family: var(--mono); font-size: .8rem; }
.t-select { background: var(--surface); border: 1px solid var(--border); border-radius: var(--r); color: var(--text); padding: 8px 12px; outline: none; cursor: pointer; }
.t-output { background: var(--surface); border: 1px solid var(--border); border-radius: var(--r); padding: 12px 14px; min-height: 42px; position: relative; }
.t-output.big { min-height: 80px; }
.t-output.error { border-color: rgba(239,68,68,.4); background: rgba(239,68,68,.05); }
.t-output.success { border-color: var(--accent-b); background: var(--accent-bg); }
.t-btn { display: inline-flex; align-items: center; gap: 7px; background: var(--accent); color: var(--bg); border: none; border-radius: var(--r); padding: 8px 16px; font-weight: 600; font-size: .8rem; cursor: pointer; transition: filter .15s; white-space: nowrap; }
.t-btn:hover { filter: brightness(1.15); }
.t-btn.secondary { background: var(--surface); color: var(--text2); border: 1px solid var(--border); }
.t-btn.secondary:hover { border-color: var(--accent-b); color: var(--accent); }
.t-btn.danger { background: rgba(239,68,68,.15); color: var(--red); border: 1px solid rgba(239,68,68,.3); }
.t-actions { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 16px; }
.t-tabs { display: flex; border-bottom: 1px solid var(--border); margin-bottom: 16px; }
.t-tab { padding: 8px 16px; font-size: .8rem; color: var(--text3); cursor: pointer; border-bottom: 2px solid transparent; margin-bottom: -1px; transition: all .15s; font-family: var(--mono); }
.t-tab:hover { color: var(--text); }
.t-tab.active { color: var(--accent); border-bottom-color: var(--accent); }
.t-note { background: var(--surface); border: 1px solid var(--border); border-radius: var(--r); padding: 10px 14px; font-size: .78rem; color: var(--text2); line-height: 1.6; }
.t-note.info { border-color: rgba(59,130,246,.3); background: rgba(59,130,246,.06); color: var(--blue); }
.t-note.warn { border-color: rgba(245,158,11,.3); background: rgba(245,158,11,.06); color: var(--amber); }
.t-divider { height: 1px; background: var(--border); margin: 16px 0; }
.t-row { display: flex; gap: 12px; }
.t-col { flex: 1; min-width: 0; }
.copy-btn { position: absolute; top: 8px; right: 8px; background: var(--surface2); border: 1px solid var(--border); border-radius: 5px; color: var(--text3); padding: 4px 8px; font-size: .65rem; cursor: pointer; display: inline-flex; align-items: center; gap: 4px; transition: all .15s; white-space: nowrap; }
.copy-btn:hover { color: var(--accent); border-color: var(--accent-b); }
.tag { display: inline-flex; align-items: center; background: var(--accent-bg); border: 1px solid var(--accent-b); border-radius: 4px; color: var(--accent); font-family: var(--mono); font-size: .65rem; padding: 2px 7px; font-weight: 600; }

/* ── Scrollbars ── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text3); }

/* ── Misc ── */
code { font-family: var(--mono); font-size: .85em; background: var(--surface2); border: 1px solid var(--border); border-radius: 3px; padding: 1px 5px; color: var(--teal); }

/* ── Sidebar extras ── */
.nav-section-label { font-family: var(--mono); font-size: .80rem; color: var(--text3); padding: 12px 14px 4px; letter-spacing: .1em; }
.nav-spacer { flex: 1; min-height: 24px; }
#sidebar { display: flex; flex-direction: column; }
.nav-info-line { display: flex; align-items: center; gap: 8px; padding: 6px 14px 14px; font-family: var(--mono); font-size: .75rem; color: var(--text3); }

/* ── Home redesign ── */
.home-wrap { padding: 40px 32px 48px; max-width: 900px; }
.home-title { font-family: var(--mono); font-size: 1.8rem; font-weight: 700; margin-bottom: 8px; }
.home-title span:first-child { color: var(--text); }
.home-title-tools { color: var(--accent); }
.home-subtitle { font-size: .88rem; color: var(--text3); margin-bottom: 28px; max-width: 520px; line-height: 1.6; }

.home-stats { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 32px; }
.stat-card { background: var(--surface); border: 1px solid var(--border); border-radius: 9px; padding: 16px 24px; min-width: 110px; text-align: center; }
.stat-val { font-family: var(--mono); font-size: 1.6rem; font-weight: 700; line-height: 1; margin-bottom: 5px; }
.stat-lbl { font-family: var(--mono); font-size: .6rem; color: var(--text3); letter-spacing: .1em; }

.home-section-label { font-family: var(--mono); font-size: .68rem; color: var(--text3); letter-spacing: .1em; margin-bottom: 12px; }

.home-cats-grid { display: flex; flex-wrap: wrap; gap: 8px; }
.home-cat-card {
  display: flex; align-items: center; gap: 10px;
  background: var(--surface); border: 1px solid var(--border); border-radius: 8px;
  padding: 10px 16px; cursor: pointer; transition: all .15s;
  min-width: 160px;
}
.home-cat-card:hover { border-color: var(--accent-b); background: var(--surface2); }
.home-cat-card i { font-size: .9rem; width: 18px; text-align: center; flex-shrink: 0; }
.hcc-label { font-size: .82rem; font-weight: 500; flex: 1; }
.hcc-count { font-family: var(--mono); font-size: .80rem; color: var(--text3); }

/* ── Category header desc ── */
.cat-desc { font-size: .78rem; color: var(--text3); margin-left: 8px; }

/* ── Tool card icon wrap ── */
.tc-icon-wrap {
  width: 40px; height: 40px; border-radius: 9px;
  background: var(--cat-color-bg, var(--surface2));
  border: 1px solid var(--cat-color-b, var(--border));
  display: flex; align-items: center; justify-content: center;
  font-size: .9rem; color: var(--cat-color, var(--accent)); margin-bottom: 10px;
  transition: all .15s;
}
.tool-card:hover .tc-icon-wrap {
  background: var(--cat-color-bg, var(--accent-bg));
  border-color: var(--cat-color, var(--accent));
  box-shadow: 0 0 0 3px var(--cat-color-bg, var(--accent-bg));
}
.tool-card:hover {
  border-color: var(--cat-color, var(--accent-b));
}
.tool-card:hover .tc-name { color: var(--cat-color, var(--accent)); }

/* ── Header icon buttons ── */
.hdr-icon-btn {
  width: 34px; height: 34px;
  display: inline-flex; align-items: center; justify-content: center;
  background: none; border: 1px solid var(--border); border-radius: 7px;
  color: var(--text2); cursor: pointer; font-size: .88rem;
  transition: all .15s; flex-shrink: 0; text-decoration: none;
}
.hdr-icon-btn:hover { border-color: var(--accent-b); color: var(--accent); background: var(--accent-bg); }

/* ── Light theme ── */
[data-theme="light"] {
  --bg: #f5f5f5;
  --surface: #ffffff;
  --surface2: #eeeeee;
  --border: #d4d4d4;
  --text: #111111;
  --text2: #444444;
  --text3: #888888;
  --accent-bg: rgba(5,150,60,.08);
  --accent-b: rgba(5,150,60,.3);
  --accent: #059c3e;
}
[data-theme="light"] #header { background: #ffffff; }
[data-theme="light"] #sidebar { background: #fafafa; }
[data-theme="light"] .t-input, [data-theme="light"] .t-textarea, [data-theme="light"] .t-select { background: #fff; }

/* ── Buy Me a Coffee ── */
#bmc-wrap {
  position: fixed; bottom: 24px; right: 24px; z-index: 500;
  display: flex; flex-direction: column; align-items: flex-end; gap: 10px;
}

#bmc-btn {
  display: flex; align-items: center; gap: 8px;
  background: var(--accent); color: #000;
  border: none; border-radius: 50px;
  padding: 10px 18px 10px 14px;
  font-weight: 700; font-size: .85rem;
  cursor: pointer; box-shadow: 0 2px 20px #1aee76;
  transition: all .2s;
  animation: bmc-bounce 3s ease-in-out 1s infinite;
}
#bmc-btn:hover, #bmc-btn.active {
  transform: scale(1.06);
  box-shadow: 0 4px 30px #1aee76;
  animation: none;
}
.bmc-emoji { font-size: 1.1rem; }

@keyframes bmc-bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

#bmc-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 28px 28px;
  width: 520px;
  height: 350px;
  box-shadow: 0 8px 40px rgba(0,0,0,.5);
  display: none;
  flex-direction: column;
  gap: 12px;
  animation: bmc-panel-in .18s ease;
}
#bmc-panel.open { display: flex; }

@keyframes bmc-panel-in {
  from { opacity: 0; transform: translateY(8px) scale(.97); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

.bmc-panel-header {
  display: flex; align-items: center; justify-content: space-between;
  font-family: var(--mono); font-size: 1rem; font-weight: 700; color: var(--text);
}
.bmc-panel-desc {
  font-size: .9rem; color: var(--text3); line-height: 1.6; margin: 4px 0 8px;
}
.bmc-amounts {
  display: flex; flex-wrap: wrap; gap: 6px;
}
.bmc-amount {
  flex: 1 1 0; min-width: 0;
  flex-direction: column;
  gap: 6px;
  background: var(--surface2); border: 1px solid var(--border);
  border-radius: 8px; color: var(--text2);
  padding: 8px 4px; font-size: 1rem; font-weight: 600;
  cursor: pointer; text-align: center; transition: all .15s;
  align-items: center;
  justify-content: center;
  display:flex;
}
.bmc-amount:hover { border-color: #FFDD00; color: #FFDD00; }
.bmc-amount.selected { background: rgba(255,221,0,.12); border-color: #FFDD00; color: #FFDD00; }
.bmc-amount.bmc-popular { border-color: rgba(255,221,0,.4); }

.bmc-donate-btn {
  display: flex; align-items: center; justify-content: center; gap: 8px;
  background: #0070BA; color: #fff;
  border: none; border-radius: 9px;
  padding: 14px; font-weight: 700; font-size: .92rem;
  cursor: pointer; transition: all .15s;
}
.bmc-donate-btn:hover:not(:disabled) { background: #005ea6; }
.bmc-donate-btn:disabled { opacity: .4; cursor: not-allowed; }

.bmc-note {
  font-size: .9rem; color: var(--text3); line-height: 1.5; margin: 0;
}

/* ── Sidebar text size fix ── */
.nav-cat span:not(.nav-count) { font-size: .92rem; font-weight: 500; }
.nav-count { font-size: .80rem; }
.nav-tool { font-size: .82rem; padding: 7px 14px 7px 32px; }
.nav-tool span { font-size: .90rem; }
.nav-cat { padding: 9px 14px; }

.premium-gate { max-width:520px; margin:40px auto; background:var(--surface); border:1px solid var(--border); border-radius:14px; padding:36px; text-align:center; }
.pg-icon { font-size:2.5rem; margin-bottom:14px; }
.pg-title { font-family:var(--mono); font-size:1.15rem; font-weight:700; margin-bottom:10px; }
.pg-desc { font-size:.86rem; color:var(--text3); line-height:1.7; margin-bottom:20px; }
.pg-form { display:flex; gap:8px; margin-bottom:12px; }
.pg-form input { flex:1; }
.pg-error { background:rgba(239,68,68,.08); border:1px solid rgba(239,68,68,.3); border-radius:7px; padding:10px 14px; font-size:.82rem; color:var(--red); margin-bottom:12px; }
.pg-success { background:rgba(17,212,101,.08); border:1px solid var(--accent-b); border-radius:7px; padding:10px 14px; font-size:.82rem; color:var(--accent); margin-bottom:12px; }
.pg-info { font-size:.75rem; color:var(--text3); line-height:1.6; margin-top:16px; padding-top:16px; border-top:1px solid var(--border); text-align:left; }
.premium-badge { display:inline-flex; align-items:center; gap:5px; background:linear-gradient(135deg,rgba(245,158,11,.15),rgba(251,191,36,.1)); border:1px solid rgba(245,158,11,.4); border-radius:5px; color:#f59e0b; font-family:var(--mono); font-size:.65rem; font-weight:700; padding:3px 8px; }