/* ==========================================================================
   Emberwood — ambient, encrypted, local-network room
   Palette (strict):
     --ember     #d27d37   primary modal / glass tint
     --cream     #f5e8d2   secondary / text on glass
     --umber     #8f4830   supporting — deep shadow / borders
     --rust      #ba6718   supporting — accent / active states
     --amber     #dfa24b   supporting — highlights
     --clay      #bc9376   supporting — muted text / dividers
   ========================================================================== */

:root {
  --ember: #d27d37;
  --cream: #f5e8d2;
  --umber: #8f4830;
  --rust:  #ba6718;
  --amber: #dfa24b;
  --clay:  #bc9376;

  --glass-bg: rgba(210, 125, 55, 0.22);
  --glass-bg-strong: rgba(210, 125, 55, 0.32);
  --glass-border: rgba(245, 232, 210, 0.28);
  --glass-shadow: rgba(60, 26, 10, 0.45);

  --ease-soft: cubic-bezier(0.22, 1, 0.36, 1);
  --dur-slow: 900ms;
  --dur-med: 420ms;
  --dur-fast: 220ms;

  color-scheme: dark;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: #1b0f08;
  font-family: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  color: var(--cream);
}

button, input {
  font-family: inherit;
}

/* Respect reduced-motion preferences throughout */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

/* ==========================================================================
   Ambient background
   ========================================================================== */

.ambient {
  position: fixed;
  inset: 0;
  z-index: 0;
  cursor: pointer;
  outline: none;
}

.ambient__video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.9) brightness(0.62);
}

.ambient__wash {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 50% 120%, rgba(210, 125, 55, 0.35), transparent 60%),
    linear-gradient(180deg, rgba(27, 15, 8, 0.55) 0%, rgba(27, 15, 8, 0.25) 40%, rgba(27, 15, 8, 0.75) 100%);
  pointer-events: none;
}

.ambient__hint {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: lowercase;
  color: var(--clay);
  opacity: 0;
  transition: opacity var(--dur-med) var(--ease-soft);
  pointer-events: none;
  font-style: italic;
}

.ambient:hover .ambient__hint,
.ambient:focus-visible .ambient__hint {
  opacity: 0.65;
}

.ambient:focus-visible {
  box-shadow: inset 0 0 0 2px var(--amber);
}

/* ==========================================================================
   Left-edge hover trigger + messages panel
   ========================================================================== */

.edge-trigger {
  position: fixed;
  top: 0;
  left: 0;
  width: 18px;
  height: 100%;
  z-index: 5;
}

.panel--messages {
  position: fixed;
  top: 0;
  left: 0;
  height: 100%;
  width: min(320px, 84vw);
  z-index: 6;
  display: flex;
  flex-direction: column;

  background: var(--glass-bg);
  backdrop-filter: blur(22px) saturate(140%);
  -webkit-backdrop-filter: blur(22px) saturate(140%);
  border-right: 1px solid var(--glass-border);
  box-shadow: 12px 0 40px var(--glass-shadow);
  border-radius: 0 22px 22px 0;

  transform: translateX(calc(-100% + 6px));
  transition: transform var(--dur-med) var(--ease-soft);
  padding: 28px 18px 20px;
}

.edge-trigger:hover ~ .panel--messages,
.panel--messages:hover,
.panel--messages:focus-within,
.panel--messages.is-pinned {
  transform: translateX(0);
}

.panel__header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding: 0 6px 14px;
  border-bottom: 1px solid var(--glass-border);
  margin-bottom: 12px;
}

.panel__title {
  font-size: 13px;
  letter-spacing: 0.18em;
  text-transform: lowercase;
  color: var(--cream);
  opacity: 0.85;
}

.panel__count {
  font-size: 12px;
  color: var(--amber);
  background: rgba(245, 232, 210, 0.12);
  border-radius: 999px;
  padding: 2px 9px;
}

.panel__body {
  overflow-y: auto;
  flex: 1 1 auto;
  min-height: 0;
}

.panel__empty {
  font-size: 13px;
  color: var(--clay);
  font-style: italic;
  padding: 10px 6px;
  margin: 0;
}

.device-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.device-list__item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 10px;
  border-radius: 14px;
  cursor: pointer;
  transition: background var(--dur-fast) var(--ease-soft);
  border: 1px solid transparent;
}

.device-list__item:hover,
.device-list__item.is-active {
  background: rgba(245, 232, 210, 0.12);
  border-color: var(--glass-border);
}

.device-list__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--clay);
  flex: none;
}

.device-list__dot.is-online { background: var(--amber); box-shadow: 0 0 8px var(--amber); }
.device-list__dot.is-offline { background: var(--umber); }

.device-list__meta { min-width: 0; }

.device-list__name {
  font-size: 14px;
  color: var(--cream);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.device-list__ip {
  font-size: 11px;
  color: var(--clay);
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
}

/* Compose area */

.compose {
  border-top: 1px solid var(--glass-border);
  padding-top: 14px;
  margin-top: 12px;
}

.compose__target {
  font-size: 12px;
  color: var(--amber);
  margin-bottom: 8px;
  letter-spacing: 0.03em;
}

.compose__row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}

.compose__input {
  flex: 1;
  background: rgba(245, 232, 210, 0.1);
  border: 1px solid var(--glass-border);
  border-radius: 999px;
  padding: 9px 14px;
  color: var(--cream);
  font-size: 13px;
  outline: none;
  transition: border-color var(--dur-fast) var(--ease-soft), background var(--dur-fast) var(--ease-soft);
}

.compose__input::placeholder { color: var(--clay); }

.compose__input:focus {
  border-color: var(--amber);
  background: rgba(245, 232, 210, 0.16);
}

.compose__send {
  flex: none;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1px solid var(--glass-border);
  background: var(--rust);
  color: var(--cream);
  display: grid;
  place-items: center;
  cursor: pointer;
  transition: transform var(--dur-fast) var(--ease-soft), background var(--dur-fast) var(--ease-soft);
}

.compose__send:hover { background: var(--amber); transform: scale(1.05); }
.compose__send:active { transform: scale(0.95); }

.compose__row--file { justify-content: space-between; }

.compose__file-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--clay);
  cursor: pointer;
  transition: color var(--dur-fast) var(--ease-soft);
}

.compose__file-label:hover { color: var(--amber); }

.compose__file-name {
  font-size: 11px;
  color: var(--amber);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 140px;
}

/* ==========================================================================
   Stream — incoming/sent items rise from bottom to center
   ========================================================================== */

.stream {
  position: fixed;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  z-index: 4;
  width: min(480px, 92vw);
  max-height: 66vh;
  display: flex;
  flex-direction: column-reverse;
  gap: 12px;
  padding: 0 0 34px;
  overflow-y: auto;
  pointer-events: none;
}

.stream-item {
  pointer-events: auto;
  background: var(--glass-bg-strong);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  border: 1px solid var(--glass-border);
  border-radius: 18px;
  padding: 12px 16px;
  box-shadow: 0 14px 34px var(--glass-shadow);
  color: var(--cream);
  font-size: 14px;
  line-height: 1.45;

  opacity: 0;
  transform: translateY(46px);
  animation: rise var(--dur-slow) var(--ease-soft) forwards;
}

@keyframes rise {
  to { opacity: 1; transform: translateY(0); }
}

.stream-item__meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 11px;
  color: var(--clay);
  margin-bottom: 5px;
  letter-spacing: 0.03em;
}

.stream-item__from { color: var(--amber); }

.stream-item--self { border-color: rgba(223, 162, 75, 0.5); }
.stream-item--self .stream-item__meta { justify-content: flex-end; }

.stream-item__status {
  font-style: italic;
  opacity: 0.75;
}

.stream-item__file {
  display: flex;
  align-items: center;
  gap: 10px;
}

.stream-item__file-icon {
  flex: none;
  width: 30px;
  height: 30px;
  border-radius: 9px;
  background: rgba(245, 232, 210, 0.14);
  display: grid;
  place-items: center;
}

.stream-item__file-name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.stream-item__actions {
  margin-top: 8px;
  display: flex;
  gap: 10px;
}

.stream-item__link {
  font-size: 12px;
  color: var(--amber);
  text-decoration: underline;
  text-underline-offset: 2px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 0;
  font-family: inherit;
}

.stream-item__link:hover { color: var(--cream); }

/* ==========================================================================
   Settings modal
   ========================================================================== */

.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: grid;
  place-items: center;
  background: rgba(20, 10, 5, 0.55);
  backdrop-filter: blur(4px);
  opacity: 0;
  animation: fade-in var(--dur-med) var(--ease-soft) forwards;
  padding: 24px;
}

.modal-overlay[hidden] { display: none; }

@keyframes fade-in { to { opacity: 1; } }

.modal {
  width: min(480px, 100%);
  max-height: 84vh;
  overflow-y: auto;
  background: var(--glass-bg-strong);
  backdrop-filter: blur(28px) saturate(150%);
  -webkit-backdrop-filter: blur(28px) saturate(150%);
  border: 1px solid var(--glass-border);
  border-radius: 26px;
  box-shadow: 0 30px 70px var(--glass-shadow);
  padding: 6px;

  transform: translateY(18px) scale(0.98);
  opacity: 0;
  animation: modal-rise var(--dur-med) var(--ease-soft) forwards;
  animation-delay: 60ms;
}

@keyframes modal-rise {
  to { transform: translateY(0) scale(1); opacity: 1; }
}

.modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 20px 12px;
}

.modal__header h2 {
  margin: 0;
  font-size: 18px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: lowercase;
  color: var(--cream);
}

.modal__close {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: 1px solid var(--glass-border);
  background: rgba(245, 232, 210, 0.08);
  color: var(--cream);
  display: grid;
  place-items: center;
  cursor: pointer;
  transition: background var(--dur-fast) var(--ease-soft);
}

.modal__close:hover { background: rgba(245, 232, 210, 0.2); }

.modal__body {
  padding: 4px 20px 22px;
}

.modal__section {
  padding: 16px 0;
  border-top: 1px solid var(--glass-border);
}

.modal__section:first-child { border-top: none; padding-top: 4px; }

.modal__section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}

.modal__subtitle {
  margin: 0 0 6px;
  font-size: 13px;
  letter-spacing: 0.1em;
  text-transform: lowercase;
  color: var(--amber);
  font-weight: 500;
}

.modal__hint {
  margin: 0 0 10px;
  font-size: 12.5px;
  color: var(--clay);
  line-height: 1.5;
}

/* LNA status */

.lna-status {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--cream);
  background: rgba(245, 232, 210, 0.08);
  border: 1px solid var(--glass-border);
  border-radius: 14px;
  padding: 10px 14px;
}

.lna-status__dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--clay);
  flex: none;
}

.lna-status__dot.is-granted { background: var(--amber); box-shadow: 0 0 8px var(--amber); }
.lna-status__dot.is-denied { background: var(--umber); }
.lna-status__dot.is-prompt { background: var(--rust); animation: pulse 1.6s ease-in-out infinite; }

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* Inputs & buttons */

.text-input {
  width: 100%;
  background: rgba(245, 232, 210, 0.1);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  padding: 9px 12px;
  color: var(--cream);
  font-size: 13.5px;
  outline: none;
  transition: border-color var(--dur-fast) var(--ease-soft), background var(--dur-fast) var(--ease-soft);
}

.text-input::placeholder { color: var(--clay); }

.text-input:focus {
  border-color: var(--amber);
  background: rgba(245, 232, 210, 0.16);
}

.btn {
  border-radius: 999px;
  padding: 8px 16px;
  font-size: 12.5px;
  letter-spacing: 0.03em;
  cursor: pointer;
  border: 1px solid var(--glass-border);
  transition: background var(--dur-fast) var(--ease-soft), transform var(--dur-fast) var(--ease-soft), color var(--dur-fast) var(--ease-soft);
  white-space: nowrap;
}

.btn:active { transform: scale(0.97); }

.btn--ghost {
  background: rgba(245, 232, 210, 0.08);
  color: var(--cream);
}
.btn--ghost:hover { background: rgba(245, 232, 210, 0.18); }

.btn--accent {
  background: var(--rust);
  color: var(--cream);
  border-color: transparent;
}
.btn--accent:hover { background: var(--amber); }

.btn:focus-visible, .text-input:focus-visible, .compose__input:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 2px;
}

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

.key-status {
  margin: 8px 2px 0;
  font-size: 11.5px;
  color: var(--clay);
  min-height: 14px;
}

.key-status.is-ok { color: var(--amber); }

/* Settings device list */

.settings-device-list {
  list-style: none;
  margin: 0 0 12px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.settings-device-list__item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  background: rgba(245, 232, 210, 0.08);
  border: 1px solid var(--glass-border);
  border-radius: 14px;
  padding: 10px 12px;
}

.settings-device-list__info {
  display: flex;
  align-items: center;
  gap: 9px;
  min-width: 0;
}

.settings-device-list__text {
  min-width: 0;
}

.settings-device-list__name {
  font-size: 13.5px;
  color: var(--cream);
}

.settings-device-list__addr {
  font-size: 11px;
  color: var(--clay);
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
}

.settings-device-list__actions {
  display: flex;
  gap: 6px;
  flex: none;
}

.icon-btn {
  width: 26px;
  height: 26px;
  border-radius: 8px;
  border: 1px solid var(--glass-border);
  background: rgba(245, 232, 210, 0.06);
  color: var(--cream);
  display: grid;
  place-items: center;
  cursor: pointer;
  transition: background var(--dur-fast) var(--ease-soft);
}

.icon-btn:hover { background: rgba(245, 232, 210, 0.18); }

/* Device form */

.device-form {
  margin-top: 10px;
  padding: 14px;
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  background: rgba(245, 232, 210, 0.06);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.device-form__row label {
  display: block;
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--clay);
  margin-bottom: 4px;
  text-transform: lowercase;
}

.device-form__row--split {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 10px;
}

.device-form__actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 4px;
}

.device-form__test-result {
  margin: 0;
  font-size: 11.5px;
  color: var(--clay);
  min-height: 14px;
}

.device-form__test-result.is-ok { color: var(--amber); }
.device-form__test-result.is-bad { color: var(--umber); }

/* Polling row */

.poll-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.poll-row input[type="range"] {
  flex: 1;
  accent-color: var(--amber);
}

.poll-row__value {
  font-size: 13px;
  color: var(--amber);
  font-variant-numeric: tabular-nums;
  min-width: 28px;
}

/* ==========================================================================
   Toast — small transient status whispers
   ========================================================================== */

.toast {
  position: fixed;
  top: 22px;
  left: 50%;
  transform: translateX(-50%) translateY(-14px);
  z-index: 30;
  background: var(--glass-bg-strong);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: 999px;
  padding: 8px 18px;
  font-size: 12.5px;
  color: var(--cream);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur-med) var(--ease-soft), transform var(--dur-med) var(--ease-soft);
}

.toast.is-visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 640px) {
  .panel--messages {
    width: min(300px, 88vw);
    transform: translateX(-100%);
  }
  .edge-trigger { width: 14px; }
  .panel--messages.is-pinned { transform: translateX(0); }

  .device-form__row--split {
    grid-template-columns: 1fr;
  }

  .stream {
    width: 94vw;
  }
}