/*
  AI Task Assistance — Fluent / Teams theme + futuristic layer
  Themes: default (light), dark, contrast — driven by Teams client.
*/

:root,
html[data-theme="default"] {
  --teams-bg: #f0f2f8;
  --teams-surface: rgba(255, 255, 255, 0.78);
  --teams-surface-solid: #ffffff;
  --teams-surface-2: rgba(245, 246, 252, 0.92);
  --teams-border: rgba(91, 95, 199, 0.14);
  --teams-border-strong: rgba(91, 95, 199, 0.28);
  --teams-text: #242424;
  --teams-text-secondary: #616161;
  --teams-brand: #5b5fc7;
  --teams-brand-hover: #4f52b2;
  --teams-brand-2: #00b7c3;
  --teams-brand-tint: rgba(91, 95, 199, 0.12);
  --teams-brand-glow: rgba(91, 95, 199, 0.28);
  --teams-success: #0e700e;
  --teams-success-tint: rgba(14, 112, 14, 0.12);
  --teams-warning: #8a3707;
  --teams-warning-bg: rgba(255, 244, 206, 0.9);
  --teams-warning-border: #f3d29f;
  --teams-danger: #b10e1c;
  --teams-danger-tint: rgba(177, 14, 28, 0.1);
  --switch-off: #c8c8c8;
  --switch-on: #0e700e;
  --shadow-soft: 0 4px 24px rgba(36, 36, 70, 0.06);
  --shadow-lift: 0 8px 32px rgba(91, 95, 199, 0.12);
  --glass-blur: 18px;
  --mesh-a: rgba(91, 95, 199, 0.14);
  --mesh-b: rgba(0, 183, 195, 0.1);
  --mesh-c: rgba(255, 255, 255, 0.7);
  --header-line: linear-gradient(90deg, #5b5fc7, #00b7c3, #7f85f5);
  --radius: 14px;
  --radius-sm: 10px;
}

html[data-theme="dark"] {
  --teams-bg: #14151c;
  --teams-surface: rgba(36, 38, 52, 0.72);
  --teams-surface-solid: #242634;
  --teams-surface-2: rgba(48, 50, 68, 0.85);
  --teams-border: rgba(127, 133, 245, 0.18);
  --teams-border-strong: rgba(127, 133, 245, 0.35);
  --teams-text: #ffffff;
  --teams-text-secondary: #c8cbe0;
  --teams-brand: #7f85f5;
  --teams-brand-hover: #9299f7;
  --teams-brand-2: #3dffe8;
  --teams-brand-tint: rgba(127, 133, 245, 0.18);
  --teams-brand-glow: rgba(127, 133, 245, 0.35);
  --teams-success: #54b054;
  --teams-success-tint: rgba(84, 176, 84, 0.16);
  --teams-warning: #fce100;
  --teams-warning-bg: rgba(58, 46, 0, 0.85);
  --teams-warning-border: #6b5600;
  --teams-danger: #dc5e62;
  --teams-danger-tint: rgba(220, 94, 98, 0.16);
  --switch-off: #5c5c5c;
  --switch-on: #54b054;
  --shadow-soft: 0 4px 28px rgba(0, 0, 0, 0.35);
  --shadow-lift: 0 10px 40px rgba(127, 133, 245, 0.16);
  --glass-blur: 20px;
  --mesh-a: rgba(127, 133, 245, 0.2);
  --mesh-b: rgba(61, 255, 232, 0.08);
  --mesh-c: rgba(20, 21, 28, 0.4);
  --header-line: linear-gradient(90deg, #7f85f5, #3dffe8, #9299f7);
}

html[data-theme="contrast"] {
  --teams-bg: #000000;
  --teams-surface: #000000;
  --teams-surface-solid: #000000;
  --teams-surface-2: #000000;
  --teams-border: #ffffff;
  --teams-border-strong: #ffff00;
  --teams-text: #ffffff;
  --teams-text-secondary: #ffffff;
  --teams-brand: #ffff00;
  --teams-brand-hover: #ffff00;
  --teams-brand-2: #ffff00;
  --teams-brand-tint: transparent;
  --teams-brand-glow: transparent;
  --teams-success: #00ff00;
  --teams-success-tint: transparent;
  --teams-warning: #ffff00;
  --teams-warning-bg: #000000;
  --teams-warning-border: #ffff00;
  --teams-danger: #ff0000;
  --teams-danger-tint: transparent;
  --switch-off: #ffffff;
  --switch-on: #00ff00;
  --shadow-soft: none;
  --shadow-lift: none;
  --glass-blur: 0px;
  --mesh-a: transparent;
  --mesh-b: transparent;
  --mesh-c: transparent;
  --header-line: #ffff00;
  --radius: 8px;
  --radius-sm: 6px;
}

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

html,
body {
  height: 100%;
  min-height: 100vh;
  min-height: 100dvh;
  margin: 0;
  padding: 0;
}

body {
  font-family: "Segoe UI", "Segoe UI Web (West European)", -apple-system, BlinkMacSystemFont,
    "Helvetica Neue", Arial, sans-serif;
  font-size: 14px;
  line-height: 1.45;
  color: var(--teams-text);
  background: var(--teams-bg);
  -webkit-font-smoothing: antialiased;
  position: relative;
  overflow-x: hidden;
}

/* Ambient mesh — futuristic atmosphere */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(ellipse 80% 50% at 10% -10%, var(--mesh-a), transparent 55%),
    radial-gradient(ellipse 60% 40% at 95% 5%, var(--mesh-b), transparent 50%),
    radial-gradient(ellipse 50% 45% at 50% 110%, var(--mesh-a), transparent 55%),
    linear-gradient(180deg, var(--mesh-c), transparent 40%);
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.35;
  background-image:
    linear-gradient(rgba(127, 133, 245, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(127, 133, 245, 0.04) 1px, transparent 1px);
  background-size: 28px 28px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 20%, #000 20%, transparent 75%);
}

html[data-theme="contrast"] body::before,
html[data-theme="contrast"] body::after {
  display: none;
}

.app {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  min-height: 100%;
}

.app-header {
  padding: 18px 16px 16px;
  background: var(--teams-surface);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border-bottom: 1px solid var(--teams-border);
  position: relative;
}

.app-header::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: var(--header-line);
  opacity: 0.85;
}

html[data-theme="contrast"] .app-header {
  background: var(--teams-surface-solid);
  backdrop-filter: none;
}

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

.brand-mark {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  flex-shrink: 0;
  display: grid;
  place-items: center;
  overflow: hidden;
  background: transparent;
  box-shadow: 0 4px 16px var(--teams-brand-glow);
}

.brand-logo {
  width: 40px;
  height: 40px;
  display: block;
  object-fit: cover;
  border-radius: 12px;
}

html[data-theme="contrast"] .brand-mark {
  box-shadow: none;
  border: 1px solid var(--teams-border);
}

.brand-copy {
  min-width: 0;
}

.app-title {
  margin: 0;
  font-size: 18px;
  font-weight: 650;
  letter-spacing: -0.02em;
  color: var(--teams-text);
  background: linear-gradient(90deg, var(--teams-text) 40%, var(--teams-brand));
  -webkit-background-clip: text;
  background-clip: text;
}

@supports (-webkit-background-clip: text) or (background-clip: text) {
  .app-title {
    color: transparent;
  }
}

html[data-theme="contrast"] .app-title {
  background: none;
  color: var(--teams-text);
  -webkit-background-clip: unset;
  background-clip: unset;
}

.app-subtitle {
  margin: 3px 0 0 0;
  font-size: 12px;
  color: var(--teams-text-secondary);
  letter-spacing: 0.01em;
}

.app-main {
  flex: 1;
  padding: 14px 12px 18px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.settings-card,
.status-card,
.note-card,
.call-panel,
.task-card,
.call-summary {
  background: var(--teams-surface);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--teams-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

html[data-theme="contrast"] .settings-card,
html[data-theme="contrast"] .status-card,
html[data-theme="contrast"] .note-card,
html[data-theme="contrast"] .call-panel,
html[data-theme="contrast"] .task-card,
html[data-theme="contrast"] .call-summary {
  backdrop-filter: none;
  background: var(--teams-surface-solid);
}

.settings-card,
.status-card {
  padding: 14px 16px;
}

.settings-card:hover,
.status-card:hover {
  border-color: var(--teams-border-strong);
  box-shadow: var(--shadow-lift);
}

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

.setting-copy {
  min-width: 0;
  flex: 1;
}

.setting-title {
  margin: 0;
  font-size: 14px;
  font-weight: 650;
  color: var(--teams-text);
}

.setting-hint {
  margin: 4px 0 0 0;
  font-size: 12px;
  line-height: 1.4;
  color: var(--teams-text-secondary);
}

.switch {
  position: relative;
  flex-shrink: 0;
  width: 44px;
  height: 24px;
  padding: 0;
  border: none;
  border-radius: 999px;
  background: var(--switch-off);
  cursor: pointer;
  transition: background-color 0.2s ease, box-shadow 0.2s ease;
}

.switch-thumb {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #ffffff;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.28);
  transition: transform 0.22s cubic-bezier(0.34, 1.4, 0.64, 1);
}

html[data-theme="contrast"] .switch-thumb {
  background: #000000;
  border: 1px solid #ffffff;
}

.switch.is-on {
  background: linear-gradient(90deg, var(--switch-on), var(--teams-brand-2));
  box-shadow: 0 0 16px rgba(14, 112, 14, 0.25);
}

html[data-theme="dark"] .switch.is-on {
  box-shadow: 0 0 18px rgba(84, 176, 84, 0.35);
}

html[data-theme="contrast"] .switch.is-on {
  background: var(--switch-on);
  box-shadow: none;
}

.switch.is-on .switch-thumb {
  transform: translateX(20px);
}

.switch:disabled {
  cursor: default;
  opacity: 0.55;
}

.switch:focus-visible {
  outline: 2px solid var(--teams-brand);
  outline-offset: 2px;
}

.note-card {
  padding: 12px 14px;
  background: var(--teams-warning-bg);
  border-color: var(--teams-warning-border);
  position: relative;
  overflow: hidden;
}

.note-card.is-active {
  box-shadow: inset 3px 0 0 var(--teams-brand), var(--shadow-soft);
  border-color: var(--teams-border-strong);
}

.note-card.is-active::after {
  content: "";
  position: absolute;
  top: -40%;
  right: -10%;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--teams-brand-tint), transparent 70%);
  pointer-events: none;
}

html[data-theme="contrast"] .note-card.is-active::after {
  display: none;
}

.note-title {
  margin: 0 0 4px 0;
  font-size: 13px;
  font-weight: 650;
  color: var(--teams-text);
}

.note-text {
  margin: 0;
  font-size: 12px;
  line-height: 1.45;
  color: var(--teams-text-secondary);
}

.note-text strong {
  color: var(--teams-text);
  font-weight: 600;
}

.status-label {
  margin: 0 0 8px 0;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--teams-text-secondary);
}

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

.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--switch-off);
  flex-shrink: 0;
  position: relative;
}

.status-dot::after {
  content: "";
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 1px solid transparent;
  opacity: 0;
}

.status-dot.is-running {
  background: var(--teams-success);
  box-shadow: 0 0 0 4px var(--teams-success-tint), 0 0 12px var(--teams-success);
}

.status-dot.is-running::after {
  border-color: var(--teams-success);
  opacity: 0.5;
  animation: ring-pulse 1.8s ease-out infinite;
}

.status-dot.is-waiting {
  background: var(--teams-warning);
  animation: pulse-dot 1.4s ease-in-out infinite;
}

.status-dot.is-sent {
  background: var(--teams-brand);
  box-shadow: 0 0 0 4px var(--teams-brand-tint), 0 0 14px var(--teams-brand-glow);
}

.status-dot.is-error {
  background: var(--teams-danger);
  box-shadow: 0 0 0 4px var(--teams-danger-tint);
}

@keyframes pulse-dot {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.45;
  }
}

@keyframes ring-pulse {
  0% {
    transform: scale(0.85);
    opacity: 0.6;
  }
  100% {
    transform: scale(1.85);
    opacity: 0;
  }
}

html[data-theme="contrast"] .status-dot.is-running,
html[data-theme="contrast"] .status-dot.is-sent,
html[data-theme="contrast"] .status-dot.is-error {
  box-shadow: none;
}

html[data-theme="contrast"] .status-dot::after {
  display: none;
}

.status-text {
  margin: 0;
  font-size: 14px;
  font-weight: 650;
  color: var(--teams-text);
}

.tasks-section {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.tasks-heading {
  margin: 0 0 8px 4px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--teams-text-secondary);
}

.tasks-heading-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 10px;
}

.tasks-heading-row .tasks-heading {
  margin: 0 0 0 2px;
}

.tasks-empty {
  margin: 0;
  padding: 28px 16px;
  font-size: 13px;
  color: var(--teams-text-secondary);
  text-align: center;
  border: 1px dashed var(--teams-border);
  border-radius: var(--radius);
  background: var(--teams-surface);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
}

html[data-theme="contrast"] .tasks-empty {
  backdrop-filter: none;
}

.summary-text {
  margin: 0;
  white-space: pre-wrap;
  line-height: 1.55;
  font-size: 13px;
  color: var(--teams-text);
}

.task-card {
  padding: 14px 14px 12px;
  text-align: left;
  position: relative;
  overflow: hidden;
}

.task-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--teams-brand), var(--teams-brand-2));
  opacity: 0.55;
}

html[data-theme="contrast"] .task-card::before {
  background: var(--teams-brand);
  opacity: 1;
}

.task-card + .task-card {
  margin-top: 0;
}

.task-card-label {
  margin: 0 0 6px 0;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--teams-text-secondary);
}

.task-card-title {
  margin: 0 0 8px 0;
  font-size: 14px;
  font-weight: 650;
  color: var(--teams-text);
}

.task-card-description {
  margin: 0 0 8px 0;
  font-size: 13px;
  color: var(--teams-text-secondary);
}

.task-card-meta {
  margin: 0 0 4px 0;
  font-size: 12px;
  color: var(--teams-text-secondary);
}

.task-card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.task-button {
  padding: 7px 14px;
  min-height: 32px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--teams-border-strong);
  background: var(--teams-surface-2);
  color: var(--teams-text);
  font-family: inherit;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.15s ease, border-color 0.15s ease, transform 0.15s ease,
    box-shadow 0.15s ease;
}

.task-button:hover:not(:disabled) {
  background: var(--teams-surface-solid);
  transform: translateY(-1px);
}

.task-button-accept {
  background: linear-gradient(135deg, var(--teams-brand), color-mix(in srgb, var(--teams-brand) 60%, var(--teams-brand-2)));
  border-color: transparent;
  color: #ffffff;
  box-shadow: 0 4px 14px var(--teams-brand-glow);
}

.task-button-accept:hover:not(:disabled) {
  background: linear-gradient(135deg, var(--teams-brand-hover), var(--teams-brand));
  border-color: transparent;
  box-shadow: 0 6px 20px var(--teams-brand-glow);
}

html[data-theme="contrast"] .task-button-accept {
  background: var(--teams-brand);
  color: #000000;
  box-shadow: none;
}

.task-button-reject {
  background: transparent;
}

.task-button:disabled {
  cursor: default;
  opacity: 0.55;
  transform: none;
}

.task-button:focus-visible {
  outline: 2px solid var(--teams-brand);
  outline-offset: 2px;
}

.task-card.is-processing {
  opacity: 0.8;
}

.task-card.is-accepted {
  border-color: color-mix(in srgb, var(--teams-success) 50%, var(--teams-border));
  background: var(--teams-success-tint);
}

.task-card.is-accepted::before {
  background: var(--teams-success);
  opacity: 1;
}

.task-card.is-rejected {
  opacity: 0.72;
}

.task-card-result {
  margin: 10px 0 0 0;
  font-size: 12px;
  font-weight: 600;
}

.task-card.is-accepted .task-card-result {
  color: var(--teams-success);
}

.task-card.is-rejected .task-card-result {
  color: var(--teams-text-secondary);
}

.calls-area {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.call-panel {
  overflow: hidden;
  animation: rise-in 0.35s ease both;
}

.call-panel[open] {
  border-color: var(--teams-border-strong);
  box-shadow: var(--shadow-lift);
}

@keyframes rise-in {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

.call-summary-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 13px 14px;
  cursor: pointer;
  list-style: none;
  font-weight: 600;
  background: transparent;
  user-select: none;
}

.call-summary-row::-webkit-details-marker {
  display: none;
}

.call-summary-row::before {
  content: "";
  width: 0;
  height: 0;
  border-left: 5px solid var(--teams-brand);
  border-top: 4px solid transparent;
  border-bottom: 4px solid transparent;
  flex-shrink: 0;
  transition: transform 0.18s ease;
  filter: drop-shadow(0 0 4px var(--teams-brand-glow));
}

html[data-theme="contrast"] .call-summary-row::before {
  filter: none;
  border-left-color: var(--teams-text);
}

.call-panel[open] .call-summary-row::before {
  transform: rotate(90deg);
}

.call-summary-row:hover {
  background: var(--teams-surface-2);
}

.call-title {
  flex: 1;
  min-width: 0;
  font-size: 14px;
  font-weight: 650;
  color: var(--teams-text);
}

.call-time {
  font-size: 12px;
  font-weight: 500;
  color: var(--teams-text-secondary);
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

.call-count {
  font-size: 11px;
  font-weight: 700;
  color: var(--teams-brand);
  background: var(--teams-brand-tint);
  border: 1px solid var(--teams-border);
  border-radius: 999px;
  padding: 3px 9px;
  white-space: nowrap;
  letter-spacing: 0.02em;
}

html[data-theme="contrast"] .call-count {
  border: 1px solid var(--teams-brand);
  color: var(--teams-brand);
  background: transparent;
}

.call-body {
  padding: 0 14px 14px;
  border-top: 1px solid var(--teams-border);
  background: color-mix(in srgb, var(--teams-bg) 70%, transparent);
}

html[data-theme="contrast"] .call-body {
  background: var(--teams-bg);
}

.call-summary {
  margin: 12px 0;
  padding: 12px;
  border-radius: var(--radius-sm);
}

.call-summary .task-card-label {
  margin-bottom: 8px;
}

.call-tasks {
  display: flex;
  flex-direction: column;
  gap: 8px;
}