:root {
  color-scheme: light;
  font-family: "Inter", "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  background: #eef2ff;
  color: #0f172a;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding: clamp(24px, 4vw, 48px);
  background: radial-gradient(circle at top, #eef2ff 0%, #e2e8f0 100%);
}

.app-shell {
  width: min(1240px, 100%);
  display: flex;
  flex-direction: column;
  gap: clamp(24px, 3vw, 36px);
}

.app-header {
  background: rgba(255, 255, 255, 0.92);
  border-radius: 24px;
  padding: clamp(20px, 3vw, 32px);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: clamp(16px, 3vw, 24px);
  box-shadow: 0 20px 45px rgba(15, 23, 42, 0.12);
  backdrop-filter: blur(10px);
}

.app-header__brand {
  min-width: 240px;
}

.app-header__title {
  display: block;
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.app-header__subtitle {
  margin: 6px 0 0;
  color: #475569;
  max-width: 40ch;
}

.app-header__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
}

.app-header__status {
  display: flex;
  align-items: center;
  gap: 12px;
}

.viewer-controls {
  display: flex;
  align-items: center;
}

.viewer-controls.hidden {
  display: none;
}

.viewer-select {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 0.95rem;
  color: #1f2937;
}

.viewer-select select {
  min-width: 180px;
  border-radius: 12px;
  border: 1px solid rgba(148, 163, 184, 0.35);
  padding: 10px 12px;
  font-size: 1rem;
  background: rgba(248, 250, 252, 0.95);
}

.app-main {
  display: grid;
  gap: clamp(24px, 3vw, 32px);
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  align-items: start;
}

.panel {
  background: rgba(255, 255, 255, 0.95);
  border-radius: 24px;
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.1);
  backdrop-filter: blur(6px);
  display: flex;
  flex-direction: column;
}

.panel__body {
  padding: clamp(24px, 3vw, 32px);
  display: flex;
  flex-direction: column;
  gap: clamp(18px, 3vw, 24px);
}

.panel__body--records {
  gap: clamp(16px, 2.5vw, 20px);
}

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

.panel__headline h2 {
  margin: 0;
  font-size: clamp(1.3rem, 3vw, 1.6rem);
}

.panel__headline p {
  margin: 4px 0 0;
  color: #64748b;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 999px;
  padding: 8px 18px;
  background: rgba(99, 102, 241, 0.12);
  color: #3730a3;
}

.pill--muted {
  background: rgba(148, 163, 184, 0.16);
  color: #1e293b;
}

.pill--success {
  background: rgba(34, 197, 94, 0.22);
  color: #166534;
}

.pill--danger {
  background: rgba(239, 68, 68, 0.22);
  color: #b91c1c;
}

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

.text-display__label {
  font-weight: 600;
  color: #1f2937;
}

.text-display__body {
  padding: clamp(20px, 2.8vw, 26px);
  border-radius: 20px;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.12), rgba(59, 130, 246, 0.15));
  border: 1px solid rgba(79, 70, 229, 0.2);
  min-height: 108px;
  display: flex;
  align-items: center;
  font-size: 1.15rem;
  line-height: 1.6;
}

.device-select {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.device-select__controls {
  display: flex;
  gap: 12px;
  align-items: center;
}

.device-select select {
  flex: 1;
  border-radius: 12px;
  border: 1px solid rgba(148, 163, 184, 0.35);
  padding: 10px 12px;
  font-size: 1rem;
  background: rgba(248, 250, 252, 0.95);
}

.btn {
  border: none;
  border-radius: 14px;
  padding: 12px 18px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background-color 0.15s ease;
  background: rgba(15, 23, 42, 0.08);
  color: #0f172a;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.btn:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 14px 24px rgba(15, 23, 42, 0.18);
}

.btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  box-shadow: none;
  transform: none;
}

.btn--primary {
  background: linear-gradient(135deg, #4f46e5, #3b82f6);
  color: #fff;
}

.btn--ghost {
  background: rgba(15, 23, 42, 0.08);
  color: #0f172a;
}

.btn--icon {
  width: 42px;
  height: 42px;
  padding: 0;
  font-size: 1.1rem;
}

.control-bar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 12px;
}

.control-bar--options {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  font-size: 0.95rem;
  color: #475569;
}

.toggle {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.toggle input[type='checkbox'] {
  width: 20px;
  height: 20px;
  accent-color: #4f46e5;
}

.visualizer {
  position: relative;
  border-radius: 22px;
  border: 1px solid rgba(59, 130, 246, 0.2);
  background: radial-gradient(circle at top left, rgba(59, 130, 246, 0.12), rgba(15, 23, 42, 0.08));
  overflow: hidden;
}

.visualizer canvas {
  width: 100%;
  display: block;
}

.visualizer__status {
  position: absolute;
  top: 16px;
  right: 16px;
  background: rgba(15, 23, 42, 0.78);
  color: #e2e8f0;
}

.save-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 18px;
  border-radius: 18px;
  border: 1px solid rgba(148, 163, 184, 0.25);
  background: rgba(255, 255, 255, 0.8);
}

.save-bar__text {
  font-weight: 600;
  color: #1f2937;
  flex: 1;
}

.save-bar__actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.quality-card {
  border-radius: 20px;
  border: 1px solid rgba(34, 197, 94, 0.25);
  background: rgba(220, 252, 231, 0.5);
  padding: 18px 22px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.quality-card__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.quality-card__title {
  font-weight: 700;
  color: #166534;
}

.quality-card__list {
  margin: 0;
  padding-left: 20px;
  color: #166534;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.quality-card__stat {
  list-style: none;
  padding-left: 0;
  font-weight: 600;
  color: #0f172a;
}

.records__filters {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px;
  align-items: end;
  margin-bottom: 8px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 0.95rem;
  color: #475569;
}

.field select {
  border-radius: 12px;
  border: 1px solid rgba(148, 163, 184, 0.35);
  padding: 10px 12px;
  background: rgba(248, 250, 252, 0.95);
  font-size: 0.95rem;
}

.records__header,
.records__row {
  display: grid;
  grid-template-columns: 90px minmax(0, 2fr) minmax(0, 1.4fr) 150px;
  gap: 12px;
  align-items: center;
}

.records__header {
  padding: 0 4px;
  font-size: 0.9rem;
  color: #64748b;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.records__list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-height: min(520px, 60vh);
  overflow-y: auto;
  padding-right: 6px;
}

.records__row {
  padding: 14px 16px;
  border-radius: 18px;
  background: rgba(248, 250, 252, 0.82);
  border: 1px solid rgba(148, 163, 184, 0.22);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  cursor: pointer;
}

.records__row:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 32px rgba(15, 23, 42, 0.12);
}

.records__cell {
  font-size: 0.95rem;
  color: #1e293b;
}

.records__cell--ellipsis {
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.records__cell--quality {
  display: flex;
  align-items: center;
}

.quality-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 700;
  background: rgba(148, 163, 184, 0.35);
  color: #334155;
}

.quality-icon[data-status="ok"] {
  background: rgba(34, 197, 94, 0.22);
  color: #15803d;
}

.quality-icon[data-status="issues"] {
  background: rgba(239, 68, 68, 0.24);
  color: #b91c1c;
}

.viewer-mode .panel--recorder .device-select,
.viewer-mode .panel--recorder .visualizer,
.viewer-mode .panel--recorder .control-bar,
.viewer-mode .panel--recorder .control-bar--options,
.viewer-mode .panel--recorder #saveBar,
.viewer-mode .panel--recorder #recordButton,
.viewer-mode .panel--recorder #nextButton,
.viewer-mode .panel--recorder #holdToggle {
  display: none !important;
}

.viewer-mode .panel--recorder .text-display__body {
  min-height: 80px;
}

.viewer-mode .panel--recorder {
  position: relative;
}

.hidden {
  display: none !important;
}

.auth-overlay {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(15, 23, 42, 0.55);
  backdrop-filter: blur(8px);
  z-index: 1000;
}

.auth-card {
  background: #ffffff;
  border-radius: 20px;
  padding: 32px;
  width: min(380px, 90vw);
  box-shadow: 0 26px 60px rgba(15, 23, 42, 0.28);
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.auth-card h2 {
  margin: 0;
  font-size: 1.9rem;
  text-align: center;
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.auth-form label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-weight: 600;
  color: #1f2937;
}

.auth-form select,
.auth-form input {
  border-radius: 12px;
  border: 1px solid rgba(148, 163, 184, 0.35);
  padding: 10px 12px;
  font-size: 1rem;
  background: rgba(248, 250, 252, 0.95);
}

.auth-error {
  min-height: 1.2rem;
  margin: 0;
  font-size: 0.95rem;
  color: #b91c1c;
}

.record-overlay {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  z-index: 1500;
  backdrop-filter: blur(0px);
  transition: backdrop-filter 150ms ease;
}

.record-overlay[data-active='true'] {
  backdrop-filter: blur(10px);
}

.record-overlay__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  transform: translateY(16px);
  opacity: 0;
}

.record-overlay__sentence {
  text-align: center;
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: #0f172a;
  max-width: 480px;
}

.record-overlay[data-active='true'] .record-overlay__inner {
  animation: fadeUp 500ms ease forwards;
}

.record-overlay__text {
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #ef4444;
}

.record-overlay[data-active='true'] .record-overlay__text {
  animation: textSwap 500ms ease forwards;
}

.record-overlay__circle {
  width: 140px;
  height: 140px;
  border-radius: 50%;
  transform: scale(1);
  background: radial-gradient(circle, rgba(239, 68, 68, 0.9) 0%, rgba(185, 28, 28, 0.75) 50%, rgba(185, 28, 28, 0) 100%);
  box-shadow: 0 0 32px rgba(239, 68, 68, 0.4);
}

.record-overlay[data-active='true'] .record-overlay__circle {
  animation: pulseShrink 500ms ease forwards;
}

@keyframes pulseShrink {
  0% {
    transform: scale(1);
    background: radial-gradient(circle, rgba(239, 68, 68, 0.9) 0%, rgba(185, 28, 28, 0.75) 50%, rgba(185, 28, 28, 0) 100%);
    box-shadow: 0 0 32px rgba(239, 68, 68, 0.4);
  }
  80% {
    transform: scale(0.55);
    background: radial-gradient(circle, rgba(239, 68, 68, 0.85) 0%, rgba(185, 28, 28, 0.7) 50%, rgba(185, 28, 28, 0) 100%);
    box-shadow: 0 0 26px rgba(239, 68, 68, 0.32);
  }
  100% {
    transform: scale(0.45);
    background: radial-gradient(circle, rgba(34, 197, 94, 0.9) 0%, rgba(22, 163, 74, 0.75) 50%, rgba(22, 163, 74, 0) 100%);
    box-shadow: 0 0 30px rgba(34, 197, 94, 0.35);
  }
}

@keyframes textSwap {
  0% {
    color: #ef4444;
  }
  80% {
    color: #ef4444;
  }
  100% {
    color: #16a34a;
  }
}

@keyframes fadeUp {
  0% {
    opacity: 0;
    transform: translateY(16px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 960px) {
  .app-main {
    grid-template-columns: 1fr;
  }

  .app-header {
    flex-direction: column;
    align-items: stretch;
  }

  .app-header__status {
    justify-content: space-between;
  }
}

@media (max-width: 640px) {
  .control-bar--options {
    flex-direction: column;
    align-items: flex-start;
  }

  .records__header,
  .records__row {
    grid-template-columns: 60px minmax(0, 1fr);
    grid-template-areas:
      "quality text"
      "quality file"
      "quality time";
    row-gap: 6px;
  }

  .records__cell--quality {
    grid-area: quality;
  }

  .records__cell--text {
    grid-area: text;
  }

  .records__cell--file {
    grid-area: file;
    font-size: 0.85rem;
    color: #475569;
  }

  .records__cell--time {
    grid-area: time;
    font-size: 0.85rem;
    color: #475569;
  }
}