@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

/* ─────────────────────────────────────────────────────
   StreamDrop Design System
   Identity: Dark space, ocean glow, glass panels
   ───────────────────────────────────────────────────── */

:root {
  /* Core palette */
  --bg: #080a12;
  --bg-mid: #0d1020;
  --glass: rgba(255,255,255,.04);
  --glass-border: rgba(255,255,255,.08);
  --glass-hover: rgba(255,255,255,.07);

  /* Text */
  --text: #eef0f8;
  --text-muted: rgba(238,240,248,.52);
  --text-faint: rgba(238,240,248,.28);

  /* Brand accent — ocean cyan */
  --v: #22d3ee;
  --v-bright: #38bdf8;
  --v-deep: #0284c7;
  --v-glow: rgba(34,211,238,.22);
  --v-border: rgba(34,211,238,.32);
  --v-surface: rgba(34,211,238,.10);
  --logo-a: #22d3ee;
  --logo-b: #0284c7;
  --logo-border: rgba(34,211,238,.32);
  --logo-glow: rgba(34,211,238,.22);

  /* Functional */
  --good: #34d399;
  --good-glow: rgba(52,211,153,.18);
  --warn: #fbbf24;
  --warn-text: #fbbf24;
  --warn-surface: rgba(251,191,36,.10);
  --warn-hover-surface: rgba(251,191,36,.18);
  --warn-border: rgba(251,191,36,.35);
  --warn-glow: rgba(251,191,36,.18);
  --bad: #f87171;
  --bad-surface: rgba(248,113,113,.08);

  /* Surfaces */
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --sans: 'Inter', ui-sans-serif, system-ui, sans-serif;
  --radius: 16px;
  --radius-sm: 10px;

  --aurora-1: rgba(34,211,238,.16);
  --aurora-2: rgba(34,197,94,.08);
  --aurora-3: rgba(14,165,233,.10);

  --panel: rgba(0,0,0,.18);
  --field: rgba(0,0,0,.25);
  --code-bg: rgba(0,0,0,.35);
  --code-text: rgba(238,240,248,.75);
  --tooltip-bg: rgba(0,0,0,.82);
  --tooltip-text: #eef0f8;
  --modal-bg: rgba(10,12,22,.96);
  --meter-bg: rgba(255,255,255,.06);
  --step-bg: rgba(255,255,255,.03);
  --card-inset: rgba(255,255,255,.06);
  --card-shadow: 0 32px 80px rgba(0,0,0,.45);
}

html[data-theme="dark"] { color-scheme: dark; }

html[data-theme="light"] {
  color-scheme: light;
  --bg: #f6f7ff;
  --bg-mid: #edf0ff;
  --glass: rgba(255,255,255,.68);
  --glass-border: rgba(15,23,42,.12);
  --glass-hover: rgba(255,255,255,.84);

  --text: #0f172a;
  --text-muted: rgba(15,23,42,.62);
  --text-faint: rgba(15,23,42,.32);

  --v: #0891b2;
  --v-bright: #0284c7;
  --v-deep: #0369a1;
  --v-glow: rgba(8,145,178,.22);
  --v-border: rgba(8,145,178,.30);
  --v-surface: rgba(8,145,178,.12);

  --aurora-1: rgba(14,165,233,.16);
  --aurora-2: rgba(34,197,94,.10);
  --aurora-3: rgba(8,145,178,.12);

  --panel: rgba(255,255,255,.55);
  --field: rgba(255,255,255,.70);
  --code-bg: rgba(255,255,255,.70);
  --code-text: rgba(15,23,42,.78);
  --tooltip-bg: rgba(15,23,42,.92);
  --tooltip-text: rgba(248,250,252,.96);
  --modal-bg: rgba(247,248,255,.96);
  --meter-bg: rgba(15,23,42,.08);
  --step-bg: rgba(15,23,42,.04);
  --card-inset: rgba(255,255,255,.75);
  --card-shadow: 0 28px 70px rgba(15,23,42,.16);

  --warn-text: #92400e;
  --warn-surface: rgba(245,158,11,.16);
  --warn-hover-surface: rgba(245,158,11,.22);
  --warn-border: rgba(146,64,14,.28);
}

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

html, body { height: 100%; }

body {
  font-family: var(--sans);
  color: var(--text);
  background: var(--bg);
  min-height: 100vh;
  /* Signature background: two slow radial "aurora" blobs */
  background-image:
    radial-gradient(ellipse 900px 600px at 15% -5%, var(--aurora-1) 0%, transparent 60%),
    radial-gradient(ellipse 600px 400px at 90% 10%, var(--aurora-2) 0%, transparent 55%),
    radial-gradient(ellipse 500px 500px at 70% 95%, var(--aurora-3) 0%, transparent 60%);
  background-attachment: fixed;
}

a { color: var(--v-bright); text-decoration: none; }
a:hover { color: var(--text); }

/* ── Layout ──────────────────────────────────────────── */
.shell {
  max-width: 960px;
  margin: 0 auto;
  padding: 52px 24px 80px;
}

/* ── Header ──────────────────────────────────────────── */
.hero { 
  margin-bottom: 32px; 
  display: flex; 
  justify-content: space-between; 
  align-items: center; 
}
.brand { display: flex; gap: 16px; align-items: center; }

.logo {
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--sans);
  font-weight: 800;
  font-size: 13px;
  letter-spacing: .5px;
  color: #fff;
  background: none;
  box-shadow: none;
}
.logo-img {
  width: 64px;
  height: 64px;
  object-fit: contain;
  display: block;
}
/* Subtle sheen */
.logo::after {
  content: none;
}

h1 {
  font-size: 32px;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -.5px;
  background: linear-gradient(135deg, var(--text) 40%, var(--v-bright) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

p { margin-top: 6px; color: var(--text-muted); font-size: 14px; line-height: 1.6; }

/* ── Glassmorphism card ───────────────────────────────── */
.card {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 24px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow:
    0 1px 0 var(--card-inset) inset,
    var(--card-shadow);
}

.row { display: flex; justify-content: space-between; align-items: center; gap: 12px; }

/* ── Kicker ──────────────────────────────────────────── */
.kicker {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--text-faint);
}

.mono { font-family: var(--mono); }
.dim { color: var(--text-muted); }
.space-top { margin-top: 18px; }

/* ── Nav pill link ───────────────────────────────────── */
.link {
  font-size: 12px;
  font-weight: 600;
  color: var(--v-bright);
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid var(--v-border);
  background: var(--v-surface);
  transition: background .15s, box-shadow .15s, color .15s;
  white-space: nowrap;
}
.link:hover {
  background: var(--v-surface);
  box-shadow: 0 0 0 3px var(--v-glow);
  color: var(--text);
}

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 999px;
  border: 1px solid var(--v-border);
  background: var(--v-surface);
  color: var(--v-bright);
  cursor: pointer;
  transition: background .15s, box-shadow .15s, color .15s, transform .1s;
}
.icon-btn:hover {
  background: var(--v-surface);
  box-shadow: 0 0 0 3px var(--v-glow);
  color: var(--text);
}
.icon-btn:active { transform: translateY(1px); }
.icon-btn:focus-visible {
  outline: 2px solid var(--v-bright);
  outline-offset: 2px;
}

.theme-icon { display: inline-flex; }
.theme-icon-sun { display: none; }
.theme-icon-moon { display: inline-flex; }
html[data-theme="light"] .theme-icon-sun { display: inline-flex; }
html[data-theme="light"] .theme-icon-moon { display: none; }
html[data-theme="dark"] .theme-icon-sun { display: none; }
html[data-theme="dark"] .theme-icon-moon { display: inline-flex; }

/* ── Dropzone ─────────────────────────────────────────── */
.dropzone {
  margin-top: 16px;
  position: relative;
  border: 1.5px dashed var(--v-border);
  border-radius: var(--radius);
  background: var(--v-surface);
  min-height: 176px;
  cursor: pointer;
  outline: none;
  transition: border-color .2s, background .2s, box-shadow .2s;
}
.dropzone:hover {
  border-color: var(--v);
  background: var(--v-surface);
  box-shadow: 0 0 0 4px var(--v-glow), 0 0 40px var(--v-glow);
}
.dropzone:focus {
  border-color: var(--v);
  box-shadow: 0 0 0 4px var(--v-glow);
}
.dropzone.drag {
  border-color: var(--v-bright);
  background: var(--v-surface);
  box-shadow: 0 0 0 6px var(--v-glow), 0 0 60px var(--v-glow);
}

.drop-inner {
  position: absolute; inset: 0;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  text-align: center; padding: 24px;
  gap: 0;
}

.drop-icon {
  width: 48px; height: 48px;
  border-radius: 14px;
  border: 1px solid var(--glass-border);
  background: var(--glass);
  display: grid; place-items: center;
  margin-bottom: 14px;
  box-shadow: 0 4px 16px rgba(0,0,0,.3);
  color: var(--v-bright);
}

.drop-title { font-size: 15px; font-weight: 600; color: var(--text); }
.drop-sub { margin-top: 5px; font-size: 13px; color: var(--text-muted); }

.file { position: absolute; inset: 0; opacity: 0; cursor: pointer; }

/* ── Step pipeline ───────────────────────────────────── */
.status {
  margin-top: 18px;
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  align-items: center;
}

.step {
  display: flex; gap: 8px; align-items: center;
  padding: 7px 13px;
  border-radius: 999px;
  border: 1px solid var(--glass-border);
  background: var(--step-bg);
  transition: border-color .25s, background .25s, box-shadow .25s;
}
.step.on {
  border-color: var(--v-border);
  background: var(--v-surface);
  box-shadow: 0 0 0 3px var(--v-glow);
}
.step.done {
  border-color: rgba(52,211,153,.28);
  background: rgba(52,211,153,.06);
}

.dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--text-faint);
  transition: background .25s, box-shadow .25s;
  flex-shrink: 0;
}
.step.on .dot {
  background: var(--v-bright);
  box-shadow: 0 0 0 3px var(--v-glow), 0 0 8px var(--v);
  animation: pulse-dot 2s ease-in-out infinite;
}
.step.done .dot {
  background: var(--good);
  box-shadow: 0 0 0 3px var(--good-glow);
}

@keyframes pulse-dot {
  0%, 100% { box-shadow: 0 0 0 3px var(--v-glow), 0 0 8px var(--v); }
  50% { box-shadow: 0 0 0 5px var(--v-glow), 0 0 16px var(--v); }
}

.label { font-size: 12px; font-weight: 600; color: var(--text-muted); letter-spacing: .01em; }
.step.on .label,
.step.done .label { color: var(--text); }

.step-arrow { color: var(--text-faint); font-size: 12px; }

.switch {
  display: inline-flex;
  align-items: center;
  cursor: pointer;
  user-select: none;
}
.switch-input {
  position: absolute;
  opacity: 0;
  width: 1px;
  height: 1px;
  overflow: hidden;
}
.switch-track {
  width: 40px;
  height: 22px;
  border-radius: 999px;
  background: rgba(255,255,255,.10);
  border: 1px solid var(--glass-border);
  display: inline-flex;
  align-items: center;
  padding: 2px;
  transition: background .15s ease, border-color .15s ease, box-shadow .15s ease;
}
.switch-thumb {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: rgba(255,255,255,.82);
  box-shadow: 0 2px 10px rgba(0,0,0,.35);
  transform: translateX(0);
  transition: transform .15s ease, background .15s ease;
}
.switch-input:checked + .switch-track {
  background: var(--v);
  border-color: var(--v);
  box-shadow: 0 0 0 3px var(--v-glow);
}
.switch-input:checked + .switch-track .switch-thumb {
  transform: translateX(18px);
  background: rgba(255,255,255,.95);
}
.switch-input:focus-visible + .switch-track {
  outline: 2px solid var(--v-bright);
  outline-offset: 2px;
}

.tooltip {
  position: relative;
  display: inline-flex;
  align-items: center;
}
.tooltip-icon {
  width: 18px;
  height: 18px;
  border-radius: 999px;
  border: 1px solid var(--glass-border);
  background: rgba(255,255,255,.03);
  color: var(--text-muted);
  font-family: var(--mono);
  font-size: 12px;
  line-height: 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.tooltip-bubble {
  position: absolute;
  right: 0;
  top: 26px;
  width: max-content;
  max-width: min(320px, 80vw);
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--glass-border);
  background: var(--tooltip-bg);
  color: var(--tooltip-text);
  font-size: 12px;
  line-height: 1.45;
  text-align: center;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-4px);
  transition: opacity .12s ease, transform .12s ease;
  z-index: 40;
}
.tooltip:hover .tooltip-bubble,
.tooltip:focus-within .tooltip-bubble {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

/* ── Progress bar ────────────────────────────────────── */
.meter {
  margin-top: 14px;
  height: 4px;
  border-radius: 999px;
  background: var(--meter-bg);
  overflow: hidden;
}
.bar {
  height: 100%;
  width: 0;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--v) 0%, var(--v-bright) 100%);
  transition: width .3s ease;
  box-shadow: 0 0 12px var(--v-glow);
}

.meta {
  margin-top: 10px;
  min-height: 18px;
  font-size: 12px;
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
}

.sd-files { margin-top: 22px; }
.sd-files-list { display: flex; flex-direction: column; gap: 10px; }
.sd-file-item {
  padding: 12px 14px;
  border-radius: var(--radius);
  border: 1px solid var(--glass-border);
  background: var(--panel);
}
.sd-file-row {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: start;
  gap: 12px;
}
.sd-file-left { flex: 1 1 280px; min-width: 0; }
.sd-file-name {
  font-size: 12px;
  color: var(--text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.sd-file-state { font-size: 11px; margin-top: 2px; }
.sd-file-badges { margin-top: 8px; }
.sd-file-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 8px;
  border-radius: 999px;
  border: 1px solid rgba(52,211,153,.28);
  background: rgba(52,211,153,.08);
  color: var(--good);
  font-size: 11px;
  font-weight: 700;
}
.meter-small {
  margin-top: 8px;
  height: 3px;
}
.sd-file-bar {
  transition: width .15s ease;
}
.sd-file-actions {
  display: flex;
  gap: 8px;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
  align-self: start;
}
.cli-off .sd-file-actions button[data-copy-kind="curl"],
.cli-off .sd-file-actions button[data-copy-kind="wget"] {
  display: none;
}

.sd-file-actions button[data-copy-kind="curl"],
.sd-file-actions button[data-copy-kind="wget"] {
  background: var(--warn-surface);
  border-color: var(--warn-border);
  color: var(--warn-text);
}

.sd-file-actions button[data-copy-kind="curl"]:hover,
.sd-file-actions button[data-copy-kind="wget"]:hover {
  background: var(--warn-hover-surface);
  box-shadow: 0 0 0 3px var(--warn-glow);
  color: var(--text);
}

.btn-native-share {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  position: relative;
}
.btn-native-share.btn-small {
  padding: 6px;
  width: 32px;
}
.btn-native-share::before {
  content: "";
  position: absolute;
  inset: 6px;
  border-radius: 999px;
  background: rgba(255,255,255,.06);
  opacity: .9;
}
.btn-native-share svg {
  display: block;
  width: 18px;
  height: 18px;
  position: relative;
}
.sd-file-link-row { margin-top: 10px; }
.sd-file-details { margin-top: 12px; padding-top: 12px; border-top: 1px solid rgba(255,255,255,.06); }
.sd-file-grid {
  display: grid;
  grid-template-columns: 1.45fr .7fr;
  gap: 20px;
}
.sd-file-grid > div {
  min-width: 0;
}

.qr-wrap { display: flex; flex-direction: column; gap: 10px; }
.qr {
  border-radius: var(--radius-sm);
  border: 1px solid var(--glass-border);
  background: rgba(255,255,255,.03);
}

.copy-row { margin-top: 8px; display: flex; gap: 8px; align-items: center; }

/* ── Input ───────────────────────────────────────────── */
.input {
  flex: 1; min-width: 0;
  background: var(--field);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  padding: 10px 13px;
  color: var(--text);
  font-family: var(--mono);
  font-size: 11px;
  outline: none;
  transition: border-color .15s, box-shadow .15s;
}
.input:focus {
  border-color: var(--v-border);
  box-shadow: 0 0 0 4px var(--v-glow);
}

/* ── Buttons ─────────────────────────────────────────── */
.btn {
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: background .15s, box-shadow .15s, transform .1s;
  /* Default: ghost accent */
  background: var(--v-surface);
  border: 1px solid var(--v-border);
  color: var(--v-bright);
  box-shadow: none;
}
.btn-small {
  padding: 7px 10px;
  font-size: 11px;
}
.btn-danger {
  background: rgba(248,113,113,.10);
  border-color: rgba(248,113,113,.35);
  color: #fca5a5;
}
.btn-danger:hover {
  background: rgba(248,113,113,.18);
  box-shadow: 0 0 0 3px rgba(248,113,113,.12);
  color: #fff;
}
.btn:hover {
  background: var(--v-surface);
  box-shadow: 0 0 0 3px var(--v-glow);
  color: var(--text);
}
.btn:active { transform: translateY(1px); }

/* Primary filled variant */
.btn-primary {
  background: linear-gradient(135deg, var(--v) 0%, var(--v-deep) 100%);
  border-color: var(--v-border);
  color: #fff;
  box-shadow: 0 4px 20px var(--v-glow);
}
.btn-primary:hover {
  background: linear-gradient(135deg, var(--v-bright) 0%, var(--v) 100%);
  box-shadow: 0 6px 28px var(--v-glow);
  color: #fff;
}

.link-btn { text-decoration: none; display: inline-block; }

/* ── Code block ──────────────────────────────────────── */
.code {
  margin: 10px 0 0;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--glass-border);
  background: var(--code-bg);
  overflow: auto;
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.7;
  color: var(--code-text);
}

/* ── Error box ───────────────────────────────────────── */
.error {
  margin-top: 16px;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(248,113,113,.25);
  background: var(--bad-surface);
  color: #fca5a5;
  font-size: 13px;
}

/* ── Security badge row ──────────────────────────────── */
.badge-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 16px;
}
.badge {
  display: flex; gap: 6px; align-items: center;
  padding: 5px 11px;
  border-radius: 999px;
  border: 1px solid var(--glass-border);
  background: rgba(255,255,255,.03);
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
}
.badge-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--good);
  box-shadow: 0 0 0 2px var(--good-glow);
}

.hidden { display: none; }

/* ── Modal ───────────────────────────────────────────── */
.modal {
  position: fixed;
  inset: 0;
  z-index: 50;
}
.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,.62);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}
.modal-panel {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: min(920px, calc(100vw - 32px));
  max-height: calc(100vh - 56px);
  overflow: auto;
  background: var(--modal-bg);
  border: 1px solid var(--glass-border);
  border-radius: 18px;
  padding: 18px;
  box-shadow: 0 32px 90px rgba(0,0,0,.65);
}
.recipe-block {
  padding: 14px;
  border-radius: 14px;
  border: 1px solid var(--glass-border);
  background: rgba(255,255,255,.03);
}
.recipe-block + .recipe-block { margin-top: 12px; }

/* ── Responsive ──────────────────────────────────────── */
@media (max-width: 860px) {
  .shell { padding-top: 32px; }
  .sd-file-grid { grid-template-columns: 1fr; }
  .qr { width: 180px; height: 180px; }
  h1 { font-size: 26px; }
}

@media (max-width: 520px) {
  .sd-file-row { grid-template-columns: 1fr; }
  .sd-file-actions { width: 100%; justify-content: flex-end; }
  .sd-file-actions button[data-action="delete"] { order: -10; margin-right: auto; }
  .sd-file-actions button[data-toggle="qr"] { order: 8; }
  .sd-file-actions button[data-action="open-link"] { order: 9; }
  .sd-file-actions button[data-action="native-share"] { order: 10; }
  .sd-file-name { white-space: normal; }
}

@media (min-width: 521px) {
  .btn-native-share { display: none !important; }
}