:root {
  --bg: #f3ede4;
  --bg-deep: #e0d3c2;
  --panel: rgba(252, 248, 242, 0.84);
  --panel-strong: rgba(255, 252, 247, 0.94);
  --line: rgba(72, 47, 29, 0.12);
  --text: #27180f;
  --muted: #6f5745;
  --accent: #0c8a6a;
  --accent-strong: #056a50;
  --warm: #bf6938;
  --warm-strong: #d38953;
  --danger: #9e3d2f;
  --shadow: 0 24px 70px rgba(79, 49, 18, 0.12);
  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-md: 14px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  font-family: "IBM Plex Sans JP", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(255, 255, 255, 0.72), transparent 34%),
    linear-gradient(135deg, #efe5d6 0%, #f4eee5 42%, #ddd2c0 100%);
}

body {
  position: relative;
  overflow-x: hidden;
}

.ambient {
  position: fixed;
  pointer-events: none;
  z-index: 0;
  filter: blur(20px);
  opacity: 0.75;
  border-radius: 50%;
}

.ambient-a {
  width: 420px;
  height: 420px;
  right: -120px;
  top: -80px;
  background: rgba(12, 138, 106, 0.16);
}

.ambient-b {
  width: 320px;
  height: 320px;
  left: -120px;
  bottom: 20px;
  background: rgba(189, 112, 52, 0.18);
}

.app-shell {
  position: relative;
  z-index: 1;
  width: min(1320px, calc(100% - 32px));
  margin: 32px auto;
}

.auth-shell,
.workspace {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  backdrop-filter: blur(22px);
  box-shadow: var(--shadow);
}

.auth-shell {
  display: grid;
  grid-template-columns: 1.1fr 0.95fr;
  gap: 28px;
  align-items: stretch;
  min-height: 76vh;
  padding: 40px;
}

.hero-copy h1,
.workspace-header h2,
.panel-header h3,
.media-section-header h4 {
  margin: 0;
  font-family: "Space Grotesk", sans-serif;
  letter-spacing: -0.03em;
}

.hero-copy {
  display: grid;
  align-content: center;
}

.hero-copy h1 {
  font-size: clamp(2rem, 5vw, 4.25rem);
  line-height: 1.02;
  max-width: 11ch;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent-strong);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.lede,
.panel-header p,
.call-state p,
.helper-text,
.status-pill span,
.media-section-header p {
  color: var(--muted);
}

.lede {
  max-width: 40rem;
  font-size: 1rem;
  line-height: 1.8;
}

.auth-panel,
.chat-panel,
.call-panel,
.status-pill {
  background: var(--panel-strong);
  border: 1px solid rgba(87, 52, 29, 0.09);
  border-radius: var(--radius-lg);
}

.auth-panel {
  display: grid;
  gap: 18px;
  align-content: start;
  padding: 28px;
}

.auth-tabs {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.auth-tab,
.primary-button,
.accent-button,
.secondary-button {
  border: 0;
  border-radius: 999px;
  padding: 13px 18px;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  transition: transform 180ms ease, filter 180ms ease, background 180ms ease;
}

.auth-tab {
  background: rgba(39, 24, 15, 0.06);
  color: var(--muted);
}

.auth-tab.active {
  background: rgba(12, 138, 106, 0.14);
  color: var(--accent-strong);
}

.auth-form {
  display: grid;
  gap: 12px;
}

.auth-form label,
.participant-list-wrap h4,
.setting-field label {
  font-size: 0.92rem;
  font-weight: 700;
}

.auth-form input,
.auth-form select,
.message-form input,
.setting-field select {
  width: 100%;
  padding: 14px 16px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(87, 52, 29, 0.14);
  background: rgba(255, 255, 255, 0.88);
  font: inherit;
  color: var(--text);
}

.recovery-grid {
  display: grid;
  gap: 12px;
}

.recovery-item {
  display: grid;
  gap: 8px;
  padding: 14px;
  border-radius: 16px;
  background: rgba(242, 236, 228, 0.84);
  border: 1px solid rgba(87, 52, 29, 0.08);
}

.reset-password-form {
  display: grid;
  gap: 12px;
}

.primary-button {
  background: linear-gradient(135deg, var(--accent) 0%, #159e74 100%);
  color: #fff;
}

.accent-button {
  background: linear-gradient(135deg, var(--warm) 0%, var(--warm-strong) 100%);
  color: #fff;
}

.secondary-button {
  background: rgba(39, 24, 15, 0.08);
  color: var(--text);
  border: 1px solid rgba(39, 24, 15, 0.1);
}

.workspace {
  padding: 28px;
}

.workspace-header {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  margin-bottom: 20px;
}

.workspace-header-side {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.status-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(130px, 1fr));
  gap: 12px;
}

.status-pill {
  padding: 14px 16px;
}

.status-pill strong {
  display: block;
  margin-top: 6px;
  font-size: 1.5rem;
}

.workspace-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(380px, 1fr);
  gap: 18px;
}

.chat-panel,
.call-panel {
  display: grid;
  gap: 16px;
  padding: 20px;
}

.panel-header {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
}

.call-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.secondary-button[disabled],
.accent-button[disabled],
.primary-button[disabled] {
  cursor: not-allowed;
  opacity: 0.6;
  transform: none;
}

.messages {
  min-height: 420px;
  max-height: 58vh;
  overflow: auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding-right: 6px;
}

.message {
  padding: 14px 16px;
  border-radius: 18px;
  background: rgba(242, 236, 228, 0.86);
  border: 1px solid rgba(87, 52, 29, 0.08);
}

.message.self {
  background: rgba(12, 138, 106, 0.12);
}

.message.system {
  background: rgba(191, 105, 56, 0.12);
}

.message-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 8px;
  font-size: 0.84rem;
}

.message-meta {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}

.message-name {
  font-weight: 700;
}

.message-body {
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
  line-height: 1.6;
}

.message-form {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
}

.message-delete-button {
  border: 0;
  background: rgba(158, 61, 47, 0.12);
  color: var(--danger);
  border-radius: 999px;
  padding: 7px 11px;
  font: inherit;
  font-size: 0.78rem;
  font-weight: 700;
  cursor: pointer;
}

.channel-browser {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px;
}

.channel-card {
  display: grid;
  gap: 8px;
  text-align: left;
  padding: 18px;
  border-radius: 18px;
  border: 1px solid rgba(87, 52, 29, 0.1);
  background: rgba(242, 236, 228, 0.82);
  font: inherit;
  color: var(--text);
  cursor: pointer;
}

.channel-card strong {
  font-size: 1rem;
}

.channel-card span {
  color: var(--muted);
  font-size: 0.88rem;
}

.channel-room {
  display: grid;
  gap: 14px;
}

.channel-room-header {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.channel-tabs {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.channel-tab {
  border: 0;
  border-radius: 999px;
  padding: 10px 14px;
  background: rgba(39, 24, 15, 0.08);
  color: var(--muted);
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.channel-tab.active {
  background: rgba(12, 138, 106, 0.16);
  color: var(--accent-strong);
}

.channel-active-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.call-state {
  padding: 16px;
  border-radius: 18px;
  background: rgba(12, 138, 106, 0.08);
}

.media-settings {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

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

.media-section {
  display: grid;
  gap: 10px;
}

.media-section-header {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: baseline;
}

.media-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
}

.media-card {
  display: grid;
  gap: 10px;
  padding: 12px;
  border-radius: 18px;
  background: rgba(242, 236, 228, 0.88);
  border: 1px solid rgba(87, 52, 29, 0.08);
}

.media-card.empty {
  place-items: center;
  min-height: 120px;
  color: var(--muted);
  text-align: center;
}

.media-card video {
  width: 100%;
  border-radius: 14px;
  background: #1a1510;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.media-card-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.media-card-actions .secondary-button {
  padding: 9px 12px;
  font-size: 0.84rem;
}

.media-card .volume-control {
  min-width: 0;
}

.media-card .volume-control label {
  text-align: left;
}

.media-card screen-video,
.media-card .screen-share {
  object-fit: contain;
}

.media-card-header {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  align-items: center;
}

.media-card-title {
  font-weight: 700;
}

.media-card-source {
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.76rem;
  background: rgba(12, 138, 106, 0.16);
  color: var(--accent-strong);
}

.participant-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.participant-list li {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  padding: 12px 14px;
  border-radius: 14px;
  background: rgba(242, 236, 228, 0.8);
}

.participant-meta {
  display: grid;
  gap: 4px;
}

.participant-name {
  font-weight: 700;
}

.participant-audio {
  width: fit-content;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.78rem;
  background: rgba(12, 138, 106, 0.16);
  color: var(--accent-strong);
}

.participant-controls {
  display: grid;
  gap: 6px;
  justify-items: end;
}

.staff-controls {
  display: grid;
  gap: 8px;
  grid-column: 1 / -1;
}

.mute-time-list {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.mute-time-list .secondary-button,
.staff-controls .secondary-button {
  padding: 8px 11px;
  font-size: 0.8rem;
}

.volume-control {
  display: grid;
  gap: 4px;
  min-width: 150px;
}

.volume-control label {
  font-size: 0.74rem;
  color: var(--muted);
  text-align: right;
}

.volume-control input {
  width: 100%;
  accent-color: var(--accent);
}

.helper-text {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.5;
}

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

.helper-text.success {
  color: var(--accent-strong);
}

.hidden {
  display: none;
}

.audio-container {
  display: none;
}

.media-modal {
  position: fixed;
  inset: 0;
  z-index: 10;
  display: grid;
  place-items: center;
}

.media-modal.hidden {
  display: none;
}

.media-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(10, 8, 6, 0.72);
  backdrop-filter: blur(10px);
}

.media-modal-content {
  position: relative;
  z-index: 1;
  width: min(1080px, calc(100% - 40px));
  max-height: calc(100vh - 40px);
  padding: 20px;
  border-radius: 24px;
  background: rgba(253, 249, 243, 0.96);
  border: 1px solid rgba(87, 52, 29, 0.09);
  box-shadow: var(--shadow);
  display: grid;
  gap: 12px;
}

.media-modal-stage {
  display: grid;
  gap: 12px;
}

.media-modal-stage video {
  width: 100%;
  max-height: calc(100vh - 160px);
  border-radius: 18px;
  background: #1a1510;
  object-fit: contain;
}

.media-modal-close {
  justify-self: end;
}

@media (max-width: 1100px) {
  .auth-shell,
  .workspace-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 900px) {
  .workspace-header,
  .panel-header,
  .message-form,
  .media-settings,
  .auth-tabs {
    grid-template-columns: 1fr;
  }

  .auth-shell,
  .workspace {
    padding: 22px;
  }

  .workspace-header,
  .panel-header {
    display: grid;
  }

  .workspace-header-side {
    justify-content: stretch;
  }

  .participant-list li {
    grid-template-columns: 1fr;
  }

  .participant-controls,
  .volume-control label {
    justify-items: start;
    text-align: left;
  }
}