/* ----------------------------------------------------------------------
   Shortly — styles
   A modern, dark, glassy URL shortener UI. No frameworks.
---------------------------------------------------------------------- */
:root {
  --bg: #060708;
  --bg-soft: #0c0e11;
  --card: rgba(18, 20, 24, 0.85);
  --card-border: rgba(255, 255, 255, 0.06);
  --text: #e7e8ea;
  --text-dim: #9698a0;
  --text-faint: #5b5d66;
  --accent: #4f7bf0;
  --accent-2: #3d63d8;
  --accent-3: #6f93f5;
  --grad: linear-gradient(120deg, #4f7bf0 0%, #3d63d8 100%);
  --danger: #e0566a;
  --ok: #3fb389;
  --radius: 12px;
  --shadow: 0 24px 64px -28px rgba(0, 0, 0, 0.8);
  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

* { box-sizing: border-box; }

/* The HTML `hidden` attribute must win over class-based display rules. */
[hidden] { display: none !important; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  min-height: 100vh;
}

/* ----- animated background orbs ----- */
.bg-orbs { position: fixed; inset: 0; z-index: -1; overflow: hidden; }
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(110px);
  opacity: 0.18;
  animation: float 22s ease-in-out infinite;
}
.orb-1 { width: 500px; height: 500px; background: #2a4a9e; top: -160px; left: -120px; }
.orb-2 { width: 440px; height: 440px; background: #1c2a52; bottom: -160px; right: -100px; animation-delay: -7s; }
.orb-3 { width: 360px; height: 360px; background: #22305c; top: 45%; left: 58%; animation-delay: -13s; opacity: 0.12; }
@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(40px, -30px) scale(1.08); }
  66% { transform: translate(-30px, 25px) scale(0.95); }
}

/* ----- layout ----- */
main { max-width: 880px; margin: 0 auto; padding: 0 20px 80px; }

.topbar {
  max-width: 1100px;
  margin: 0 auto;
  padding: 22px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--text); }
.brand-mark { font-size: 1.5rem; }
.brand-name { font-weight: 800; font-size: 1.25rem; letter-spacing: -0.02em; }
.topnav { display: flex; align-items: center; gap: 20px; }
.topnav a { color: var(--text-dim); text-decoration: none; font-weight: 500; font-size: 0.95rem; transition: color .2s; }
.topnav a:hover { color: var(--text); }

/* ----- hero ----- */
.hero { text-align: center; padding: 40px 0 30px; }
.eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(124, 156, 255, 0.12);
  border: 1px solid rgba(124, 156, 255, 0.25);
  padding: 6px 14px;
  border-radius: 999px;
  margin: 0 0 18px;
}
.hero h1 {
  font-size: clamp(2.2rem, 6vw, 3.6rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
  font-weight: 800;
  margin: 0 0 16px;
}
.grad {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.sub { max-width: 540px; margin: 0 auto 32px; color: var(--text-dim); font-size: 1.08rem; }

/* ----- tabs ----- */
.tabs { display: inline-flex; gap: 6px; background: rgba(10,14,26,0.5); border: 1px solid var(--card-border); border-radius: 14px; padding: 5px; margin: 0 auto 18px; }
.tab { border: none; background: transparent; color: var(--text-dim); font-family: inherit; font-weight: 600; font-size: 0.95rem; padding: 9px 18px; border-radius: 10px; cursor: pointer; transition: all .2s; }
.tab:hover { color: var(--text); }
.tab.active { color: #fff; background: var(--grad); box-shadow: 0 6px 18px -8px rgba(79,123,240,0.6); }

/* ----- panel card (shorten + paste) ----- */
.panel-card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 18px;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: var(--shadow);
  text-align: left;
}
.field { position: relative; }
.panel-card input, .panel-card textarea {
  width: 100%;
  background: rgba(10, 14, 26, 0.6);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  padding: 15px 16px;
  color: var(--text);
  font-size: 1rem;
  font-family: inherit;
  transition: border-color .2s, box-shadow .2s;
  outline: none;
}
.panel-card input::placeholder, .panel-card textarea::placeholder { color: var(--text-faint); }
.panel-card input:focus, .panel-card textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(124, 156, 255, 0.18);
}

/* ----- paste editor ----- */
.paste-title-input { font-size: 1.15rem !important; font-weight: 600; margin-bottom: 12px; }
.editor-toolbar { display: flex; align-items: center; justify-content: space-between; margin-bottom: 10px; }
.seg { display: inline-flex; background: rgba(10,14,26,0.6); border: 1px solid var(--card-border); border-radius: 10px; padding: 3px; }
.seg-btn { border: none; background: transparent; color: var(--text-dim); font-family: inherit; font-weight: 600; font-size: 0.85rem; padding: 6px 14px; border-radius: 7px; cursor: pointer; transition: all .15s; }
.seg-btn.active { background: rgba(124,156,255,0.18); color: var(--accent); }
.editor-toolbar .hint { color: var(--text-faint); font-size: 0.82rem; }
.paste-textarea { min-height: 240px; resize: vertical; line-height: 1.6; font-family: "SFMono-Regular", ui-monospace, "Cascadia Code", Consolas, monospace; font-size: 0.95rem !important; }
.paste-preview { min-height: 240px; background: rgba(10,14,26,0.6); border: 1px solid var(--card-border); border-radius: 12px; padding: 16px 18px; overflow-x: auto; }
.paste-preview:empty::before { content: "Nothing to preview yet."; color: var(--text-faint); }
.row { display: flex; gap: 12px; margin-top: 12px; align-items: stretch; }
.field.alias { flex: 1; display: flex; align-items: center; background: rgba(10, 14, 26, 0.6); border: 1px solid var(--card-border); border-radius: 12px; padding-left: 12px; transition: border-color .2s, box-shadow .2s; }
.field.alias:focus-within { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(124, 156, 255, 0.18); }
.alias-prefix { color: var(--text-faint); font-size: 0.92rem; white-space: nowrap; }
.field.alias input { border: none; background: transparent; padding-left: 2px; }
.field.alias input:focus { box-shadow: none; }

.primary-btn {
  position: relative;
  border: none;
  border-radius: 12px;
  padding: 0 28px;
  font-size: 1rem;
  font-weight: 700;
  font-family: inherit;
  color: #fff;
  background: var(--grad);
  cursor: pointer;
  transition: transform .12s ease, filter .2s, box-shadow .2s;
  box-shadow: 0 8px 24px -10px rgba(79, 123, 240, 0.6);
  white-space: nowrap;
}
.primary-btn:hover { transform: translateY(-1px); filter: brightness(1.07); }
.primary-btn:active { transform: translateY(0); }
.primary-btn:disabled { opacity: 0.7; cursor: progress; }
.btn-spinner {
  display: inline-block;
  width: 16px; height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.4);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin .7s linear infinite;
  margin-left: 8px;
  vertical-align: -3px;
}
@keyframes spin { to { transform: rotate(360deg); } }

.error { color: var(--danger); font-size: 0.9rem; margin: 12px 2px 2px; }

/* ----- result card ----- */
.result-card {
  margin-top: 16px;
  background: linear-gradient(135deg, rgba(124,156,255,0.12), rgba(92,225,200,0.08));
  border: 1px solid rgba(124, 156, 255, 0.3);
  border-radius: var(--radius);
  padding: 16px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  animation: pop .3s ease;
}
@keyframes pop { from { opacity: 0; transform: scale(0.97) translateY(6px); } to { opacity: 1; transform: none; } }
.result-main { display: flex; flex-direction: column; min-width: 0; }
.result-link { font-size: 1.15rem; font-weight: 700; color: var(--accent-3); text-decoration: none; word-break: break-all; }
.result-link:hover { text-decoration: underline; }
.result-sub { color: var(--text-faint); font-size: 0.85rem; margin-top: 2px; }
#result-dest { color: var(--text-dim); }

.copy-btn, .ghost-btn {
  border: 1px solid var(--card-border);
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
  font-family: inherit;
  font-weight: 600;
  font-size: 0.92rem;
  padding: 10px 18px;
  border-radius: 10px;
  cursor: pointer;
  transition: background .2s, border-color .2s, transform .1s;
  white-space: nowrap;
}
.copy-btn:hover, .ghost-btn:hover { background: rgba(255, 255, 255, 0.1); border-color: var(--accent); }
.copy-btn.copied { color: var(--ok); border-color: var(--ok); }
.ghost-btn.small { padding: 7px 14px; font-size: 0.85rem; }

/* ----- stats ----- */
.stats { display: flex; gap: 16px; margin: 44px 0 28px; }
.stat {
  flex: 1;
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 22px;
  text-align: center;
  backdrop-filter: blur(10px);
}
.stat-num { display: block; font-size: 2.2rem; font-weight: 800; background: var(--grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.stat-label { color: var(--text-dim); font-size: 0.9rem; }

/* ----- links table ----- */
.links-section { margin-top: 10px; }
.links-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.links-head h2 { font-size: 1.3rem; margin: 0; letter-spacing: -0.01em; }

.table-wrap { overflow-x: auto; border-radius: var(--radius); }
table {
  width: 100%;
  border-collapse: collapse;
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  overflow: hidden;
  backdrop-filter: blur(10px);
}
th, td { text-align: left; padding: 14px 16px; border-bottom: 1px solid var(--card-border); }
th { font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-faint); font-weight: 600; }
tr:last-child td { border-bottom: none; }
tbody tr { transition: background .15s; }
tbody tr:hover { background: rgba(255, 255, 255, 0.03); }
.cell-short a { color: var(--accent); text-decoration: none; font-weight: 600; }
.cell-short a:hover { text-decoration: underline; }
.cell-dest { color: var(--text-dim); max-width: 280px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.cell-dest a { color: var(--text-dim); text-decoration: none; }
.cell-dest a:hover { color: var(--text); }
.clicks-badge {
  display: inline-block;
  min-width: 34px;
  text-align: center;
  background: rgba(92, 225, 200, 0.14);
  color: var(--accent-3);
  border: 1px solid rgba(92, 225, 200, 0.3);
  border-radius: 999px;
  padding: 3px 10px;
  font-weight: 700;
  font-size: 0.88rem;
}
.row-actions { display: flex; gap: 8px; justify-content: flex-end; }
.icon-btn {
  border: 1px solid var(--card-border);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-dim);
  border-radius: 8px;
  padding: 6px 10px;
  cursor: pointer;
  font-size: 0.82rem;
  font-family: inherit;
  transition: all .15s;
}
.icon-btn:hover { color: var(--text); border-color: var(--accent); }
.icon-btn.danger:hover { color: var(--danger); border-color: var(--danger); }

.empty { text-align: center; padding: 50px 20px; color: var(--text-dim); background: var(--card); border: 1px dashed var(--card-border); border-radius: var(--radius); }
.empty-emoji { font-size: 2.5rem; display: block; margin-bottom: 8px; }

/* ----- how it works ----- */
.how { margin-top: 64px; text-align: center; }
.how h2 { font-size: 1.5rem; margin-bottom: 28px; letter-spacing: -0.01em; }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.step { background: var(--card); border: 1px solid var(--card-border); border-radius: var(--radius); padding: 24px 20px; text-align: left; }
.step-n { display: inline-grid; place-items: center; width: 34px; height: 34px; border-radius: 10px; background: var(--grad); color: #fff; font-weight: 800; margin-bottom: 12px; }
.step h3 { margin: 0 0 6px; font-size: 1.05rem; }
.step p { margin: 0; color: var(--text-dim); font-size: 0.92rem; }
.step code { background: rgba(255,255,255,0.08); padding: 1px 6px; border-radius: 5px; font-size: 0.85em; }

/* ----- footer ----- */
.footer { text-align: center; color: var(--text-faint); font-size: 0.88rem; padding: 30px 20px 50px; }

/* ----- toast ----- */
.toast {
  position: fixed;
  bottom: 26px; left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: #181f38;
  border: 1px solid var(--card-border);
  color: var(--text);
  padding: 12px 22px;
  border-radius: 12px;
  box-shadow: var(--shadow);
  opacity: 0;
  transition: opacity .25s, transform .25s;
  z-index: 100;
  font-weight: 500;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ----- paste result edit-code warning ----- */
.edit-warn { display: block; margin-top: 6px; color: var(--text-dim) !important; }
.edit-warn code { background: rgba(255,183,140,0.14); color: #ffc591; border: 1px solid rgba(255,183,140,0.3); padding: 2px 8px; border-radius: 6px; font-weight: 700; user-select: all; }

/* ----- markdown body (shared: preview + paste view) ----- */
.md-body { color: var(--text); line-height: 1.7; word-wrap: break-word; }
.md-body h1, .md-body h2, .md-body h3, .md-body h4, .md-body h5, .md-body h6 { line-height: 1.25; margin: 1.4em 0 0.5em; letter-spacing: -0.01em; }
.md-body h1 { font-size: 1.8rem; } .md-body h2 { font-size: 1.45rem; } .md-body h3 { font-size: 1.2rem; }
.md-body h1:first-child, .md-body h2:first-child, .md-body h3:first-child { margin-top: 0; }
.md-body p { margin: 0.8em 0; }
.md-body a { color: var(--accent); text-decoration: none; }
.md-body a:hover { text-decoration: underline; }
.md-body strong { color: #fff; font-weight: 700; }
.md-body code { background: rgba(255,255,255,0.08); padding: 2px 6px; border-radius: 5px; font-size: 0.88em; font-family: ui-monospace, "Cascadia Code", Consolas, monospace; }
.md-body pre { background: rgba(10,14,26,0.8); border: 1px solid var(--card-border); border-radius: 12px; padding: 16px; overflow-x: auto; margin: 1em 0; }
.md-body pre code { background: none; padding: 0; font-size: 0.88rem; line-height: 1.6; }
.md-body blockquote { border-left: 3px solid var(--accent); margin: 1em 0; padding: 4px 16px; color: var(--text-dim); background: rgba(124,156,255,0.06); border-radius: 0 8px 8px 0; }
.md-body ul, .md-body ol { padding-left: 1.5em; margin: 0.8em 0; }
.md-body li { margin: 0.3em 0; }
.md-body hr { border: none; border-top: 1px solid var(--card-border); margin: 1.6em 0; }
.md-body img { max-width: 100%; border-radius: 10px; }
.md-body del { color: var(--text-faint); }

/* ----- paste view page ----- */
.paste-view { max-width: 820px; margin: 0 auto; padding: 0 20px 80px; }
.paste-view-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; margin: 28px 0 8px; flex-wrap: wrap; }
.paste-view-title { font-size: 2rem; font-weight: 800; letter-spacing: -0.02em; margin: 0; }
.paste-view-title.untitled { color: var(--text-faint); font-weight: 600; }
.paste-meta { color: var(--text-faint); font-size: 0.88rem; margin: 0 0 22px; display: flex; gap: 16px; flex-wrap: wrap; }
.paste-actions { display: flex; gap: 8px; flex-shrink: 0; }
.paste-card { background: var(--card); border: 1px solid var(--card-border); border-radius: var(--radius); padding: 30px 34px; backdrop-filter: blur(10px); box-shadow: var(--shadow); }
.loading { text-align: center; color: var(--text-dim); padding: 60px; }

/* ----- analytics ----- */
.analytics { margin: 40px 0 10px; }
.an-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 14px; }
.an-card { background: var(--card); border: 1px solid var(--card-border); border-radius: var(--radius); padding: 16px 18px; backdrop-filter: blur(10px); }
.an-chart-card { grid-row: span 2; }
.an-card-title { font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-faint); font-weight: 600; margin-bottom: 12px; }
.an-chart { width: 100%; height: 200px; }
.chart-svg { width: 100%; height: 100%; overflow: visible; }
.chart-svg .bar { fill: url(#g); transition: fill .2s; }
.chart-svg rect.bar { fill: var(--accent); opacity: 0.85; }
.chart-svg rect.bar:hover { opacity: 1; fill: var(--accent-3); }
.chart-svg .bar-label { font-size: 4px; fill: var(--text-faint); text-anchor: middle; }

.an-bars { display: flex; flex-direction: column; gap: 9px; }
.an-bar-row { display: grid; grid-template-columns: 64px 1fr 28px; align-items: center; gap: 8px; }
.an-bar-label { font-size: 0.82rem; color: var(--text-dim); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.an-bar-track { background: rgba(255,255,255,0.06); border-radius: 999px; height: 8px; overflow: hidden; }
.an-bar-fill { display: block; height: 100%; background: var(--grad); border-radius: 999px; }
.an-bar-num { font-size: 0.82rem; color: var(--text); text-align: right; font-weight: 600; }
.an-none { color: var(--text-faint); margin: 4px 0; }

.an-list { display: flex; flex-direction: column; gap: 8px; }
.an-top-row { display: flex; align-items: center; justify-content: space-between; gap: 10px; text-decoration: none; padding: 7px 10px; border-radius: 9px; background: rgba(255,255,255,0.03); transition: background .15s; }
.an-top-row:hover { background: rgba(255,255,255,0.07); }
.an-top-code { color: var(--accent); font-weight: 600; font-size: 0.9rem; }

/* ----- responsive ----- */
@media (max-width: 620px) {
  .an-grid { grid-template-columns: 1fr; }
  .an-chart-card { grid-row: auto; }
  .row { flex-direction: column; }
  .primary-btn { padding: 14px; }
  .stats { flex-wrap: wrap; }
  .stats .stat { flex: 1 1 40%; }
  .steps { grid-template-columns: 1fr; }
  .col-dest { display: none; }
  .result-card { flex-direction: column; align-items: stretch; }
  .topnav a:not(.ghost-btn) { display: none; }
  .tabs { display: flex; width: 100%; }
  .tab { flex: 1; }
  .paste-card { padding: 22px; }
}