:root {
  --bg: #0b1215;
  --bg-soft: #111c20;
  --card: rgba(18, 30, 35, 0.88);
  --text: #e6f3ef;
  --muted: #a2b9b2;
  --accent: #37d39c;
  --accent-alt: #ffb84d;
  --danger: #ff6363;
  --ring: rgba(55, 211, 156, 0.34);
  --shadow: 0 22px 56px rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Manrope, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 10% 12%, rgba(55, 211, 156, 0.18), transparent 42%),
    radial-gradient(circle at 88% 80%, rgba(255, 184, 77, 0.16), transparent 36%),
    linear-gradient(140deg, var(--bg), var(--bg-soft));
  display: grid;
  place-items: center;
  padding: 24px;
}

.app {
  width: min(560px, 100%);
  position: relative;
}

.glow {
  position: absolute;
  filter: blur(40px);
  border-radius: 50%;
  z-index: 0;
  pointer-events: none;
}

.glow-1 {
  width: 180px;
  height: 180px;
  background: rgba(55, 211, 156, 0.3);
  top: -30px;
  right: -20px;
}

.glow-2 {
  width: 140px;
  height: 140px;
  background: rgba(255, 184, 77, 0.26);
  bottom: -20px;
  left: -16px;
}

.panel {
  position: relative;
  z-index: 1;
  backdrop-filter: blur(16px);
  background: var(--card);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 26px;
  padding: 26px;
  box-shadow: var(--shadow);
}

.panel__head h1 {
  margin: 6px 0 8px;
  font-family: "Space Grotesk", sans-serif;
  font-weight: 700;
  font-size: clamp(1.8rem, 4vw, 2.3rem);
}

.eyebrow {
  margin: 0;
  color: var(--accent);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: 0.78rem;
  font-weight: 800;
}

.subtitle {
  margin: 0;
  color: rgba(230, 243, 239, 0.7);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: lowercase;
}

.timer-block {
  margin-top: 20px;
  padding: 16px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.07);
  text-align: center;
}

.phase-label {
  margin: 0;
  color: var(--accent-alt);
  font-size: 0.9rem;
  font-weight: 700;
}

.countdown {
  margin-top: 6px;
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(2.7rem, 10vw, 4rem);
  letter-spacing: 0.06em;
}

.status {
  margin-top: 6px;
  color: var(--muted);
  min-height: 24px;
}

.scene {
  margin-top: 16px;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.02));
  height: 126px;
  position: relative;
  overflow: hidden;
}

.scene__work,
.scene__rest {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.25s ease;
}

.scene--work .scene__work,
.scene--rest .scene__rest {
  opacity: 1;
}

.scene--idle .scene__work {
  opacity: 0.7;
}

.desk {
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 18px;
  height: 12px;
  border-radius: 8px;
  background: rgba(20, 39, 35, 0.9);
}

.screen {
  position: absolute;
  left: 58%;
  top: 24px;
  width: 90px;
  height: 54px;
  border-radius: 10px;
  background: rgba(17, 46, 39, 0.95);
  border: 1px solid rgba(55, 211, 156, 0.36);
  display: grid;
  gap: 6px;
  padding: 10px;
}

.screen span {
  display: block;
  height: 5px;
  border-radius: 8px;
  background: rgba(61, 237, 178, 0.86);
}

.worker {
  position: absolute;
  left: 30%;
  bottom: 26px;
  width: 56px;
  height: 64px;
  animation: worker-bob 1.2s ease-in-out infinite;
}

.worker .head {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #ffd0aa;
  margin-left: 14px;
}

.worker .body {
  margin-top: 4px;
  width: 46px;
  height: 26px;
  border-radius: 12px;
  background: #3fd4a2;
}

.worker .arm {
  position: absolute;
  left: 28px;
  top: 30px;
  width: 22px;
  height: 6px;
  border-radius: 6px;
  background: #ffc093;
  transform-origin: left center;
}

.scene--work .worker .arm {
  animation: typing-arm 0.35s ease-in-out infinite;
}

.scene--work .screen span:nth-child(1) {
  animation: code-flow 1s ease-in-out infinite;
}

.scene--work .screen span:nth-child(2) {
  animation: code-flow 1s 0.25s ease-in-out infinite;
}

.scene--work .screen span:nth-child(3) {
  animation: code-flow 1s 0.45s ease-in-out infinite;
}

.sun {
  position: absolute;
  top: 20px;
  left: 40px;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: #ffd06f;
  box-shadow: 0 0 0 0 rgba(255, 208, 111, 0.45);
}

.scene--rest .sun {
  animation: sun-breath 1.6s ease-in-out infinite;
}

.cloud {
  position: absolute;
  right: 26px;
  top: 26px;
  width: 58px;
  height: 18px;
  border-radius: 16px;
  background: rgba(220, 242, 255, 0.9);
}

.cloud::before {
  content: "";
  position: absolute;
  left: 8px;
  top: -9px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: inherit;
}

.walker {
  position: absolute;
  left: 44%;
  bottom: 20px;
  width: 42px;
  height: 66px;
  animation: walker-float 1.4s ease-in-out infinite;
}

.walker .head {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #ffdfbf;
  margin-left: 11px;
}

.walker .body {
  width: 30px;
  height: 28px;
  margin: 4px auto 0;
  border-radius: 10px;
  background: #ffd17d;
}

.walker .leg {
  position: absolute;
  bottom: 2px;
  width: 5px;
  height: 18px;
  background: #d7f5ea;
  border-radius: 6px;
}

.walker .leg--a {
  left: 13px;
}

.walker .leg--b {
  right: 13px;
}

.scene--rest .walker .leg--a {
  animation: leg-step-a 0.6s ease-in-out infinite;
}

.scene--rest .walker .leg--b {
  animation: leg-step-b 0.6s ease-in-out infinite;
}

.presets {
  margin-top: 14px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.preset-btn {
  border: 1px solid rgba(255, 255, 255, 0.11);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
  border-radius: 10px;
  padding: 9px 10px;
  text-align: left;
  font-size: 0.83rem;
  font-weight: 700;
  cursor: pointer;
  transition: border-color 0.2s ease, background 0.2s ease, transform 0.12s ease;
}

.preset-btn:hover {
  transform: translateY(-1px);
  border-color: rgba(55, 211, 156, 0.45);
}

.preset-btn.active {
  background: rgba(55, 211, 156, 0.16);
  border-color: rgba(55, 211, 156, 0.65);
}

.settings {
  margin-top: 18px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

label {
  font-size: 0.9rem;
  color: var(--muted);
  display: grid;
  gap: 8px;
}

input {
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(11, 18, 21, 0.7);
  color: var(--text);
  border-radius: 12px;
  padding: 10px 12px;
  font-size: 1rem;
}

input:focus {
  outline: 2px solid var(--ring);
  border-color: var(--accent);
}

input[type="number"] {
  -moz-appearance: textfield;
}

input[type="number"]::-webkit-outer-spin-button,
input[type="number"]::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.actions {
  margin-top: 18px;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 10px;
}

.btn {
  border: 0;
  border-radius: 12px;
  padding: 12px 10px;
  font-weight: 800;
  cursor: pointer;
  transition: transform 0.12s ease, filter 0.2s ease;
}

.btn:hover {
  transform: translateY(-1px);
  filter: brightness(1.08);
}

.btn:active {
  transform: translateY(1px);
}

.btn--work {
  background: linear-gradient(130deg, #20bd89, #37d39c);
  color: #062017;
}

.btn--rest {
  background: linear-gradient(130deg, #ffad43, #ffd17d);
  color: #3b2400;
}

.btn--ghost {
  background: rgba(255, 255, 255, 0.08);
  color: #f3faf7;
}

.hidden {
  display: none;
}

.stats {
  margin-top: 18px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}

.stats article {
  background: rgba(0, 0, 0, 0.17);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 14px;
  padding: 10px;
}

.stats p {
  margin: 0;
  font-size: 0.8rem;
  color: var(--muted);
}

.stats strong {
  display: block;
  margin-top: 8px;
  font-size: 1.2rem;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  transform: translate(-50%, 20px);
  background: rgba(12, 26, 23, 0.95);
  color: #d9fff3;
  border: 1px solid rgba(55, 211, 156, 0.38);
  border-radius: 12px;
  padding: 10px 14px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.22s ease, transform 0.22s ease;
}

.toast.show {
  opacity: 1;
  transform: translate(-50%, 0);
}

.toast--highlight {
  left: auto;
  right: 18px;
  bottom: 18px;
  transform: translate(0, 20px);
  background: rgba(28, 63, 53, 0.98);
  border-color: rgba(77, 241, 183, 0.85);
  color: #f1fff9;
  font-weight: 800;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.35);
}

.toast--highlight.show {
  transform: translate(0, 0);
}

.alert-popup {
  position: fixed;
  right: 18px;
  bottom: 18px;
  width: min(320px, calc(100vw - 24px));
  padding: 14px;
  border-radius: 14px;
  border: 1px solid rgba(77, 241, 183, 0.75);
  background: rgba(12, 30, 25, 0.97);
  color: #ecfff7;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.38);
  z-index: 30;
}

.alert-popup__title {
  margin: 0;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: rgba(186, 255, 228, 0.86);
}

.alert-popup__text {
  margin: 8px 0 12px;
  font-size: 0.94rem;
  line-height: 1.35;
}

.alert-popup__ok {
  border: 0;
  border-radius: 10px;
  padding: 9px 14px;
  font-weight: 800;
  color: #073526;
  background: linear-gradient(130deg, #57e9b8, #82f8cf);
  cursor: pointer;
}

.alert-popup__ok:hover {
  filter: brightness(1.06);
}

.panel.flash {
  animation: pulse 1.1s ease;
}

@keyframes pulse {
  0%,
  100% {
    box-shadow: var(--shadow);
  }
  35% {
    box-shadow: 0 0 0 3px rgba(55, 211, 156, 0.35), 0 28px 70px rgba(0, 0, 0, 0.45);
  }
}

@keyframes worker-bob {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-2px);
  }
}

@keyframes typing-arm {
  0%,
  100% {
    transform: rotate(10deg);
  }
  50% {
    transform: rotate(-8deg);
  }
}

@keyframes code-flow {
  0%,
  100% {
    transform: scaleX(0.72);
    opacity: 0.45;
  }
  50% {
    transform: scaleX(1);
    opacity: 1;
  }
}

@keyframes sun-breath {
  0%,
  100% {
    box-shadow: 0 0 0 0 rgba(255, 208, 111, 0.45);
  }
  50% {
    box-shadow: 0 0 0 9px rgba(255, 208, 111, 0.15);
  }
}

@keyframes walker-float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-3px);
  }
}

@keyframes leg-step-a {
  0%,
  100% {
    transform: rotate(10deg);
  }
  50% {
    transform: rotate(-10deg);
  }
}

@keyframes leg-step-b {
  0%,
  100% {
    transform: rotate(-10deg);
  }
  50% {
    transform: rotate(10deg);
  }
}

@media (max-width: 640px) {
  .panel {
    padding: 18px;
    border-radius: 20px;
  }

  .settings,
  .presets,
  .actions,
  .stats {
    grid-template-columns: 1fr;
  }
}