/* http-ferry: warm beige, golden brown, near-black ink. Light and dark. */

:root {
  --bg: #f6efe3;
  --bg-deep: #ecdfca;
  --surface: #fffaf2;
  --surface-2: #f4ebdd;
  --line: #e5d6bf;
  --ink: #2a1f16;
  --ink-2: #6b5643;
  --ink-3: #9a8670;
  --accent: #9a6a2f;
  --accent-hover: #845a25;
  --accent-ink: #fffaf2;
  --accent-soft: #f0dfc3;
  --gold: #c89b5a;
  --smoke: #d8c6ab;
  --ok: #4f7a4a;
  --ok-soft: #e3ecd9;
  --warn: #a8701b;
  --warn-soft: #f5e4c4;
  --danger: #a23b2a;
  --danger-soft: #f6dcd4;
  --shadow: 0 1px 2px rgb(42 31 22 / 6%), 0 8px 28px rgb(42 31 22 / 8%);
  --radius: 20px;
  --radius-sm: 12px;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", "Cascadia Code", Menlo, Consolas, monospace;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1a140f;
    --bg-deep: #120e0a;
    --surface: #241c15;
    --surface-2: #2d241b;
    --line: #3d3126;
    --ink: #f3e7d6;
    --ink-2: #c7b197;
    --ink-3: #8f7b65;
    --accent: #d9a35a;
    --accent-hover: #e6b46d;
    --accent-ink: #1a140f;
    --accent-soft: #3b2c1a;
    --gold: #d9a35a;
    --smoke: #6e5d4c;
    --ok: #8fb886;
    --ok-soft: #233122;
    --warn: #e0a64a;
    --warn-soft: #3a2b14;
    --danger: #e08470;
    --danger-soft: #3b1f19;
    --shadow: 0 1px 2px rgb(0 0 0 / 30%), 0 10px 30px rgb(0 0 0 / 35%);
    color-scheme: dark;
  }
}

/* --- Base --- */

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

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0 16px;
  font: 16px/1.5 var(--sans);
  color: var(--ink);
  background:
    radial-gradient(1200px 600px at 50% -10%, var(--surface) 0%, transparent 60%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-deep) 100%) fixed;
}

h1,
h2 {
  font-family: var(--serif);
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0;
}

h2 {
  font-size: 1.35rem;
}

p {
  margin: 0;
}

[hidden] {
  display: none !important;
}

.muted {
  color: var(--ink-2);
}

.label {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 8px;
}

.hint {
  font-size: 0.85rem;
  color: var(--ink-3);
  margin-top: 8px;
}

:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--accent) 45%, transparent);
  outline-offset: 2px;
}

/* --- Hero / header --- */

.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 10px;
  padding: 48px 0 28px;
  transition: padding 0.3s ease;
}

.logo {
  width: 250px;
  height: auto;
  overflow: visible;
}

.brand h1 {
  font-size: 2.6rem;
  line-height: 1.1;
}

.tagline {
  color: var(--ink-2);
  max-width: 34ch;
  margin: 8px auto 0;
}

/* In a room the hero shrinks to a compact header. */
body[data-view="room"] .hero {
  flex-direction: row;
  justify-content: center;
  text-align: left;
  gap: 14px;
  padding: 22px 0 18px;
}

body[data-view="room"] .logo {
  width: 84px;
}

body[data-view="room"] .brand h1 {
  font-size: 1.6rem;
}

body[data-view="room"] .tagline {
  margin: 2px 0 0;
  font-size: 0.92rem;
}

/* While a room is open, the owner card steps aside; it comes back when the room is over. */
body[data-view="room"]:not([data-room-over]) #owner {
  display: none;
}

/* Logo colors: the SVG is inline, so it follows the palette (and dark mode). */
.logo .hull {
  fill: var(--accent);
}
.logo .hull-stripe {
  stroke: var(--gold);
  stroke-width: 3;
  stroke-linecap: round;
  opacity: 0.55;
}
.logo .cabin,
.logo .cabin-top {
  fill: var(--surface);
  stroke: var(--ink);
  stroke-width: 3.5;
}
.logo .porthole,
.logo .window-wide {
  fill: var(--ink);
}
.logo .funnel {
  fill: var(--ink);
}
.logo .funnel-band {
  fill: var(--gold);
}
.logo .mast {
  stroke: var(--ink);
  stroke-width: 3;
  stroke-linecap: round;
}
.logo .flag {
  fill: var(--gold);
}
.logo .puff {
  fill: var(--smoke);
}
.logo .glint {
  fill: var(--surface);
  opacity: 0.85;
}
.logo .wave {
  fill: none;
  stroke: var(--accent);
  stroke-width: 3.5;
  stroke-linecap: round;
}
.logo .w1 {
  opacity: 0.45;
}
.logo .w2 {
  opacity: 0.25;
}

/* A gentle bob, drifting smoke and lapping waves. */
@media (prefers-reduced-motion: no-preference) {
  .logo .boat {
    animation: bob 4.5s ease-in-out infinite;
    transform-origin: 110px 110px;
  }
  .logo .puff {
    animation: puff 4.5s ease-in-out infinite;
  }
  .logo .p2 {
    animation-delay: 0.5s;
  }
  .logo .p3 {
    animation-delay: 1s;
  }
  .logo .w1 {
    animation: lap 6s ease-in-out infinite;
  }
  .logo .w2 {
    animation: lap 6s ease-in-out infinite reverse;
  }
}

@keyframes bob {
  0%,
  100% {
    transform: translateY(0) rotate(-0.6deg);
  }
  50% {
    transform: translateY(-3px) rotate(0.6deg);
  }
}

@keyframes puff {
  0%,
  100% {
    transform: translate(0, 0);
    opacity: 0.9;
  }
  50% {
    transform: translate(3px, -3px);
    opacity: 0.55;
  }
}

@keyframes lap {
  0%,
  100% {
    transform: translateX(0);
  }
  50% {
    transform: translateX(-6px);
  }
}

/* --- Layout --- */

.stage {
  width: 100%;
  max-width: 640px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding-bottom: 32px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.notice {
  text-align: center;
  color: var(--ink-2);
}

.notice:empty {
  display: none;
}

.foot {
  margin-top: auto;
  padding: 18px 0 26px;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 6px 10px;
  font-size: 0.82rem;
  color: var(--ink-3);
  text-align: center;
}

/* --- Controls --- */

.btn {
  appearance: none;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  padding: 11px 18px;
  font: 600 0.95rem/1.2 var(--sans);
  cursor: pointer;
  transition:
    background 0.15s ease,
    border-color 0.15s ease,
    transform 0.05s ease,
    box-shadow 0.15s ease;
  white-space: nowrap;
}

.btn:active:not(:disabled) {
  transform: translateY(1px);
}

.btn:disabled {
  opacity: 0.5;
  cursor: default;
}

.btn.primary {
  background: var(--accent);
  color: var(--accent-ink);
  box-shadow: 0 1px 0 rgb(255 255 255 / 15%) inset, 0 4px 14px color-mix(in srgb, var(--accent) 28%, transparent);
}

.btn.primary:hover:not(:disabled) {
  background: var(--accent-hover);
}

.btn.secondary {
  background: var(--surface);
  color: var(--ink);
  border-color: var(--line);
}

.btn.secondary:hover:not(:disabled) {
  border-color: var(--accent);
  color: var(--accent);
}

.btn.ghost {
  background: transparent;
  color: var(--ink-2);
}

.btn.ghost:hover:not(:disabled) {
  background: var(--surface-2);
  color: var(--ink);
}

.btn.danger {
  background: transparent;
  color: var(--danger);
  border-color: color-mix(in srgb, var(--danger) 35%, transparent);
}

.btn.danger:hover:not(:disabled) {
  background: var(--danger-soft);
}

.btn.small {
  padding: 7px 12px;
  font-size: 0.85rem;
}

.btn.wide {
  width: 100%;
  padding: 14px 18px;
  font-size: 1rem;
}

input[type="text"],
input[type="password"] {
  width: 100%;
  min-width: 0;
  padding: 12px 14px;
  font: 1rem var(--sans);
  color: var(--ink);
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  transition:
    border-color 0.15s ease,
    box-shadow 0.15s ease;
}

input[type="text"]:focus,
input[type="password"]:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 18%, transparent);
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-weight: 600;
  font-size: 0.9rem;
}

.error-text {
  color: var(--danger);
  font-size: 0.9rem;
  margin-top: -4px;
}

.error-text:empty {
  display: none;
}

/* --- Login / owner --- */

.login {
  max-width: 420px;
  width: 100%;
  align-self: center;
}

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

.owner-row p {
  margin-top: 4px;
}

/* --- Room --- */

.pill {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px 6px 10px;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 600;
  background: var(--surface-2);
  color: var(--ink-2);
}

.pill::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: currentColor;
  flex: none;
}

.pill[data-kind="ok"] {
  background: var(--ok-soft);
  color: var(--ok);
}

.pill[data-kind="warn"] {
  background: var(--warn-soft);
  color: var(--warn);
}

.pill[data-kind="error"] {
  background: var(--danger-soft);
  color: var(--danger);
}

.pill[data-kind="busy"]::before {
  animation: pulse 1.2s ease-in-out infinite;
}

@keyframes pulse {
  50% {
    opacity: 0.25;
  }
}

.invite {
  background: var(--accent-soft);
  border-radius: var(--radius-sm);
  padding: 18px;
}

.invite .label {
  color: var(--accent);
}

.invite-row {
  display: flex;
  gap: 8px;
}

.invite-row input {
  font-family: var(--mono);
  font-size: 0.85rem;
  background: var(--surface);
}

/* --- Files --- */

.files {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.drop {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 30px 20px;
  text-align: center;
  border: 2px dashed var(--line);
  border-radius: var(--radius);
  background: var(--surface-2);
  cursor: pointer;
  transition:
    border-color 0.15s ease,
    background 0.15s ease,
    transform 0.15s ease;
}

.drop:hover,
.drop.over {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.drop.over {
  transform: scale(1.01);
}

.drop input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.drop:focus-within {
  outline: 3px solid color-mix(in srgb, var(--accent) 45%, transparent);
  outline-offset: 2px;
}

.drop-icon {
  width: 40px;
  height: 40px;
  fill: none;
  stroke: var(--accent);
  stroke-width: 3;
  stroke-linecap: round;
  stroke-linejoin: round;
  margin-bottom: 6px;
}

.drop-title {
  font-family: var(--serif);
  font-size: 1.15rem;
  font-weight: 600;
}

.drop-sub {
  font-size: 0.88rem;
  color: var(--ink-2);
}

.transfers {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.transfer {
  display: grid;
  grid-template-columns: 40px 1fr auto;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface);
}

.t-icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: var(--accent-soft);
  color: var(--accent);
}

.t-icon svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2.4;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.t-main {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.t-head {
  display: flex;
  align-items: baseline;
  gap: 8px;
  min-width: 0;
}

.t-name {
  font-weight: 600;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.t-size {
  flex: none;
  font-size: 0.85rem;
  color: var(--ink-3);
}

.t-bar {
  height: 6px;
  border-radius: 999px;
  background: var(--surface-2);
  overflow: hidden;
}

.t-fill {
  display: block;
  height: 100%;
  width: 0;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--gold), var(--accent));
  transition: width 0.4s ease;
}

.t-meta {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 2px 12px;
  font-size: 0.85rem;
}

.t-status {
  color: var(--ink-2);
  overflow-wrap: anywhere;
}

.t-stats {
  color: var(--ink-3);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.transfer[data-kind="offered"] .t-bar {
  display: none;
}

.t-actions {
  display: flex;
  gap: 6px;
}

.transfer[data-kind="done"] .t-icon {
  background: var(--ok-soft);
  color: var(--ok);
}

.transfer[data-kind="done"] .t-fill {
  background: var(--ok);
}

.transfer[data-kind="failed"] .t-icon {
  background: var(--danger-soft);
  color: var(--danger);
}

.transfer[data-kind="failed"] .t-status {
  color: var(--danger);
}

.transfer[data-kind="warn"] .t-icon {
  background: var(--warn-soft);
  color: var(--warn);
}

.transfer[data-kind="offered"] {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

/* --- Chat --- */

.chat {
  border-top: 1px solid var(--line);
  padding-top: 16px;
}

.chat-log {
  list-style: none;
  margin: 0 0 10px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-height: 240px;
  overflow-y: auto;
}

.chat-log:empty {
  display: none;
}

.chat-log li {
  max-width: 80%;
  padding: 8px 12px;
  border-radius: 14px;
  overflow-wrap: anywhere;
}

.chat-log li.me {
  align-self: flex-end;
  background: var(--accent);
  color: var(--accent-ink);
  border-bottom-right-radius: 4px;
}

.chat-log li.them {
  align-self: flex-start;
  background: var(--surface-2);
  border-bottom-left-radius: 4px;
}

.chat-form {
  display: flex;
  gap: 8px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

/* --- Small screens --- */

@media (max-width: 560px) {
  .hero {
    padding-top: 32px;
  }
  .logo {
    width: 180px;
  }
  .brand h1 {
    font-size: 2.1rem;
  }
  .card {
    padding: 20px;
  }
  .transfer {
    grid-template-columns: 36px 1fr;
  }
  .t-actions {
    grid-column: 1 / -1;
    justify-content: flex-end;
  }
  body[data-view="room"] .tagline {
    display: none;
  }
}