:root {
  color-scheme: dark;
  --bg: #07111f;
  --panel: rgba(17, 30, 52, 0.78);
  --panel-strong: rgba(22, 38, 66, 0.94);
  --line: rgba(148, 180, 216, 0.18);
  --text: #eff7ff;
  --muted: #9eb3c9;
  --accent: #49a6ff;
  --mint: #64f4c4;
  --danger: #ff7b8b;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}

body {
  min-height: 100vh;
  margin: 0;
  font-family: "Segoe UI", ui-sans-serif, system-ui, sans-serif;
  background:
    radial-gradient(circle at top left, rgba(73, 166, 255, 0.22), transparent 34rem),
    radial-gradient(circle at bottom right, rgba(100, 244, 196, 0.13), transparent 30rem),
    var(--bg);
  color: var(--text);
}

button,
input,
select,
textarea {
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

.shell {
  width: min(1180px, calc(100% - 32px));
  min-height: 100vh;
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 28px;
  align-items: start;
  padding: 34px 0;
}

.page-shell {
  width: min(980px, calc(100% - 32px));
  min-height: 100vh;
  margin: 0 auto;
  display: grid;
  align-items: center;
  padding: 34px 0;
}

.page-card {
  border: 1px solid var(--line);
  border-radius: 34px;
  background: var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(22px);
  padding: 28px;
}

.intro,
.shares,
.share-card {
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(22px);
}

.intro {
  min-height: 720px;
  display: grid;
  align-content: start;
  gap: 18px;
  border-radius: 34px;
  padding: 28px;
}

nav,
.form-row,
.shares-head,
.actions,
.row-actions,
.auth-actions,
.nav-actions,
.auth-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

nav,
.page-nav,
.auth-head,
.shares-head,
.nav-actions,
.auth-actions {
  flex-wrap: wrap;
}

.nav-actions {
  justify-content: flex-end;
  align-items: center;
  flex: 0 0 auto;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand strong {
  display: block;
  font-size: 16px;
}

.brand p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.page-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.page-copy {
  max-width: 680px;
  padding: 48px 10px 28px;
}

.mark {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 15px;
  background: linear-gradient(135deg, var(--accent), var(--mint));
  color: #06111e;
  font-weight: 900;
}

.hero {
  max-width: 680px;
  padding: 42px 10px 18px;
}

h1,
h2,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 18px;
  font-size: clamp(48px, 7vw, 88px);
  line-height: 0.92;
  letter-spacing: -0.075em;
}

.hero p,
.shares-head p,
.share-card p {
  color: var(--muted);
  line-height: 1.65;
}

.address-bar {
  display: grid;
  gap: 8px;
  margin-top: 22px;
}

.address-bar span {
  width: fit-content;
  max-width: 100%;
  overflow-wrap: anywhere;
  border: 1px solid rgba(100, 244, 196, 0.24);
  border-radius: 999px;
  padding: 10px 14px;
  background: rgba(100, 244, 196, 0.08);
  color: #d6fff2;
  font-size: 13px;
  font-weight: 700;
}

.composer {
  display: grid;
  gap: 18px;
  max-width: 760px;
}

.auth-card {
  display: grid;
  gap: 18px;
  margin-bottom: 18px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.04);
}

.auth-card h2 {
  margin-bottom: 6px;
  font-size: 24px;
}

.auth-form {
  display: grid;
  gap: 14px;
}

.history-panel {
  max-height: none;
  margin-top: 12px;
}

.result-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 220px;
  align-items: center;
  gap: 24px;
  margin-top: 18px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.04);
}

.result-copy h2 {
  margin-bottom: 8px;
  font-size: 24px;
}

.result-link-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  margin-top: 14px;
}

.result-link {
  display: block;
  min-width: 0;
  flex: 1 1 280px;
  color: #dff1ff;
  text-decoration: none;
  overflow-wrap: anywhere;
}

.qr-wrap {
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 12px;
  background: rgba(255, 255, 255, 0.04);
}

.qr-wrap img {
  width: 100%;
  max-width: 220px;
  aspect-ratio: 1;
  border-radius: 16px;
  background: white;
}

.tabs {
  display: inline-flex;
  width: fit-content;
  padding: 5px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.05);
}

.tab,
.ghost,
.row-actions button,
.row-actions a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: 14px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
}

.tab {
  padding: 10px 22px;
  font-weight: 750;
}

.tab.active {
  background: #eaf6ff;
  color: #07111f;
}

.panel {
  display: grid;
  gap: 10px;
  min-height: 260px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 26px;
  background: var(--panel-strong);
}

.panel span,
.form-row label,
.field span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 750;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

textarea {
  width: 100%;
  min-height: 190px;
  resize: vertical;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--text);
  font-size: 17px;
  line-height: 1.55;
}

textarea::placeholder {
  color: rgba(158, 179, 201, 0.62);
}

.drop {
  place-items: center;
  text-align: center;
  border-style: dashed;
}

.drop.dragging {
  border-color: var(--mint);
  background: rgba(100, 244, 196, 0.08);
}

.drop input {
  width: min(320px, 100%);
}

.drop strong {
  font-size: 28px;
}

.hidden {
  display: none;
}

.form-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) auto minmax(190px, 220px);
  align-items: end;
  gap: 14px;
}

.form-row label {
  display: grid;
  gap: 8px;
}

.checkbox-row {
  min-height: 48px;
  display: flex !important;
  align-items: center;
  gap: 10px;
  padding: 0 8px 4px 8px;
  text-transform: none !important;
  letter-spacing: normal !important;
  align-self: end;
}

.checkbox-row input {
  width: 16px;
  height: 16px;
}

.checkbox-row span {
  color: var(--text);
  font-size: 14px;
  font-weight: 600;
  text-transform: none;
  letter-spacing: normal;
}

select {
  min-width: 160px;
  border: 1px solid var(--line);
  border-radius: 15px;
  padding: 12px 14px;
  background: #0d1d32;
  color: var(--text);
}

input[type="password"] {
  min-width: 180px;
  border: 1px solid var(--line);
  border-radius: 15px;
  padding: 12px 14px;
  background: #0d1d32;
  color: var(--text);
}

input[type="email"] {
  min-width: 180px;
  border: 1px solid var(--line);
  border-radius: 15px;
  padding: 12px 14px;
  background: #0d1d32;
  color: var(--text);
}

input[type="text"] {
  min-width: 180px;
  border: 1px solid var(--line);
  border-radius: 15px;
  padding: 12px 14px;
  background: #0d1d32;
  color: var(--text);
}

.button,
.ghost {
  min-height: 44px;
  padding: 0 18px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 190px;
  border: 0;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--accent), var(--mint));
  color: #06111e;
  cursor: pointer;
  font-weight: 850;
  text-decoration: none;
  transition: transform 0.18s ease, box-shadow 0.18s ease, filter 0.18s ease;
  box-shadow: 0 12px 28px rgba(73, 166, 255, 0.2);
}

.ghost {
  border-color: var(--line);
}

.ghost,
.button,
.row-actions button,
.row-actions a {
  white-space: nowrap;
}

.button:hover {
  transform: translateY(-1px);
  filter: brightness(1.03);
  box-shadow: 0 16px 34px rgba(73, 166, 255, 0.28);
}

.button:active {
  transform: translateY(0);
}

.ghost:hover,
.row-actions button:hover,
.row-actions a:hover {
  border-color: rgba(148, 180, 216, 0.3);
  background: rgba(255, 255, 255, 0.08);
}

.status {
  min-height: 24px;
  color: var(--mint);
}

.status.error {
  color: var(--danger);
}

.helper-text {
  margin: -2px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.55;
}

.shares {
  max-height: 720px;
  overflow: auto;
  position: sticky;
  top: 34px;
  border-radius: 30px;
  padding: 24px;
}

.shares h2 {
  margin-bottom: 6px;
  font-size: 26px;
}

#copyResultBtn {
  flex: 0 0 auto;
  min-width: 136px;
}

#authLink,
.nav-actions .ghost {
  min-width: 118px;
}

.share-list {
  display: grid;
  gap: 12px;
}

.share-row,
.empty {
  border: 1px solid var(--line);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.055);
}

.share-row {
  display: grid;
  gap: 16px;
  padding: 16px;
}

.share-main {
  min-width: 0;
}

.share-title {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-weight: 780;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}

.chips span {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 5px 9px;
  color: var(--muted);
  font-size: 12px;
}

.row-actions {
  justify-content: flex-start;
  flex-wrap: wrap;
}

.row-actions button,
.row-actions a {
  padding: 8px 10px;
  background: rgba(255, 255, 255, 0.06);
  font-size: 13px;
}

.empty {
  padding: 22px;
  color: var(--muted);
}

.single {
  width: min(860px, calc(100% - 32px));
  min-height: 100vh;
  margin: 0 auto;
  display: grid;
  align-content: center;
  gap: 20px;
}

.back {
  color: var(--muted);
  text-decoration: none;
}

.share-card {
  border-radius: 30px;
  padding: 28px;
}

.unlock-card {
  display: grid;
  gap: 18px;
}

.share-meta {
  margin-bottom: 14px;
  color: var(--mint);
  font-weight: 800;
}

.unlock-form {
  display: grid;
  gap: 16px;
}

.field {
  display: grid;
  gap: 8px;
}

pre {
  max-height: 58vh;
  overflow: auto;
  margin: 0 0 22px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: rgba(0, 0, 0, 0.22);
  color: var(--text);
  white-space: pre-wrap;
  word-break: break-word;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  transform: translate(-50%, 20px);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 12px 18px;
  background: #eaf6ff;
  color: #07111f;
  font-weight: 800;
  opacity: 0;
  transition: 0.2s ease;
  pointer-events: none;
}

.toast.show {
  opacity: 1;
  transform: translate(-50%, 0);
}

@media (max-width: 1120px) {
  .shell {
    grid-template-columns: 1fr;
  }

  .shares {
    max-height: none;
    position: static;
  }

  .form-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: stretch;
  }

  .checkbox-row,
  .form-row .button {
    width: 100%;
  }

  .form-row .button {
    min-width: 0;
  }
}

@media (max-width: 860px) {
  .shell {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .intro {
    min-height: auto;
  }

  .page-card {
    padding: 22px;
  }

  .hero {
    padding-top: 46px;
  }

  .page-copy {
    padding-top: 36px;
  }

  .shares {
    max-height: none;
    position: static;
  }

  .form-row,
  .actions,
  .result-link-row {
    align-items: stretch;
    grid-template-columns: 1fr;
    flex-direction: column;
  }

  .result-card {
    grid-template-columns: 1fr;
  }

  .button,
  .ghost,
  select,
  input[type="email"],
  input[type="password"],
  input[type="text"] {
    width: 100%;
  }

  .nav-actions {
    width: 100%;
    justify-content: stretch;
  }
}

@media (max-width: 640px) {
  nav,
  .page-nav,
  .auth-head {
    align-items: flex-start;
  }

  .nav-actions {
    width: 100%;
    justify-content: flex-start;
  }

  .nav-actions .ghost,
  #authLink,
  #refreshBtn {
    min-width: 0;
    flex: 1 1 0;
  }

  .result-link-row {
    grid-template-columns: 1fr;
  }
}