/* Defines page layout and responsive arrangement rules. */

.app-shell {
  min-block-size: 100vh;
  background: var(--gradient-space);
}

.app-header {
  position: sticky;
  inset-block-start: 0;
  z-index: var(--z-index-sticky);
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-block-size: 3.75rem;
  padding: var(--space-2) var(--space-8);
  border-block-end: 1px solid rgb(42 54 89 / 72%);
  background-color: rgb(7 10 20 / 78%);
  backdrop-filter: blur(var(--blur-md));
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-text-primary);
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-semibold);
  text-decoration: none;
}

.brand-mark {
  display: grid;
  inline-size: 1.875rem;
  block-size: 1.875rem;
  place-items: center;
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-md);
  background: var(--gradient-primary);
  box-shadow: var(--glow-sm);
  color: var(--color-text-primary);
  font-family: var(--font-family-mono);
  font-size: var(--font-size-sm);
}

.header-actions,
.task-actions,
.composer-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.workspace {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(16rem, var(--container-xs));
  gap: var(--space-8);
  inline-size: min(100% - var(--space-12), var(--container-2xl));
  margin-inline: auto;
  padding-block: var(--space-8);
}

.workspace-main,
.workspace-sidebar {
  min-inline-size: 0;
}

.workspace-main {
  display: grid;
  gap: var(--space-8);
}

.workspace-sidebar {
  display: grid;
  align-content: start;
  gap: var(--space-6);
}

.section-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.section-heading__copy {
  display: grid;
  gap: var(--space-1);
}

.section-heading__eyebrow {
  color: var(--color-accent);
  font-family: var(--font-family-mono);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  letter-spacing: var(--letter-spacing-label);
  text-transform: uppercase;
}

.section-heading__title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-tight);
}

.section-heading__description {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

.panel,
.task-composer,
.task-card,
.stat-card,
.settings-panel {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background-color: rgb(16 22 42 / 82%);
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(var(--blur-sm));
}

.task-composer {
  display: grid;
  gap: var(--space-4);
  padding: var(--space-5);
}

.composer-fields {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(10rem, 14rem);
  gap: var(--space-3);
}

.form-field {
  display: grid;
  gap: var(--space-2);
}

.form-field__label {
  color: var(--color-text-secondary);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
}

.text-input,
.select-input,
.notes-input {
  inline-size: 100%;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background-color: rgb(7 10 20 / 65%);
  padding: var(--space-3) var(--space-4);
  color: var(--color-text-primary);
  transition: border-color var(--duration-fast) var(--ease-standard),
    background-color var(--duration-fast) var(--ease-standard),
    box-shadow var(--duration-fast) var(--ease-standard);
}

.text-input::placeholder,
.notes-input::placeholder {
  color: var(--color-text-secondary);
  opacity: var(--opacity-muted);
}

.text-input:hover,
.select-input:hover,
.notes-input:hover {
  border-color: var(--color-primary);
}

.text-input:focus,
.select-input:focus,
.notes-input:focus {
  border-color: var(--color-accent);
  background-color: var(--color-surface);
}

.notes-input {
  min-block-size: 7rem;
  resize: vertical;
}

.button,
.icon-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  font-weight: var(--font-weight-medium);
  line-height: 1;
  transition: transform var(--duration-fast) var(--ease-standard),
    border-color var(--duration-fast) var(--ease-standard),
    background-color var(--duration-fast) var(--ease-standard),
    box-shadow var(--duration-fast) var(--ease-standard),
    opacity var(--duration-fast) var(--ease-standard);
}

.button {
  min-block-size: 2.75rem;
  padding-inline: var(--space-4);
}

.icon-button {
  min-inline-size: 2.75rem;
  inline-size: auto;
  block-size: 2.75rem;
  padding-inline: var(--space-3);
}

.button:hover:not(:disabled),
.icon-button:hover:not(:disabled) {
  transform: translateY(-1px);
}

.button:disabled,
.icon-button:disabled {
  cursor: not-allowed;
  opacity: var(--opacity-disabled);
}

.button--primary {
  background: var(--gradient-primary);
  box-shadow: var(--glow-sm);
  color: var(--color-text-primary);
}

.button--primary:hover:not(:disabled) {
  box-shadow: var(--glow-md);
}

.button--secondary,
.icon-button {
  border-color: var(--color-border);
  background-color: var(--color-surface-elevated);
  color: var(--color-text-secondary);
}

.button--secondary:hover:not(:disabled),
.icon-button:hover:not(:disabled) {
  border-color: var(--color-primary);
  color: var(--color-text-primary);
}

.button--danger:hover:not(:disabled) {
  border-color: var(--color-error);
  color: var(--color-error);
}

.task-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-4);
}

.task-card {
  position: relative;
  display: grid;
  gap: var(--space-5);
  min-block-size: 16rem;
  overflow: hidden;
  padding: var(--space-5);
  transition: transform var(--duration-normal) var(--ease-emphasized),
    border-color var(--duration-normal) var(--ease-standard),
    box-shadow var(--duration-normal) var(--ease-standard),
    opacity var(--duration-normal) var(--ease-standard);
}

.task-card::before {
  position: absolute;
  inset: 0;
  background: var(--gradient-glow);
  content: "";
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--duration-normal) var(--ease-standard);
}

.task-card > * {
  position: relative;
  z-index: var(--z-index-base);
}

.task-card:hover {
  transform: translateY(-3px);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-lg), var(--glow-sm);
}

.task-card:hover::before,
.task-card.is-active::before {
  opacity: 1;
}

.task-card.is-active {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-lg), var(--glow-accent);
}

.task-card.is-complete {
  opacity: var(--opacity-muted);
}

.task-card.is-archived {
  display: none;
}

.task-card__header,
.task-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

.task-card__category,
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  border: 1px solid rgb(33 230 208 / 35%);
  border-radius: var(--radius-full);
  background-color: rgb(33 230 208 / 8%);
  padding: var(--space-1) var(--space-2);
  color: var(--color-accent);
  font-family: var(--font-family-mono);
  font-size: var(--font-size-xs);
}

.task-card__title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-tight);
}

.task-card__description {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

.task-timer {
  margin-block: auto;
  color: var(--color-text-primary);
  font-family: var(--font-family-mono);
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-medium);
  line-height: 1;
}

.status-badge--complete {
  border-color: rgb(69 220 147 / 35%);
  background-color: rgb(69 220 147 / 8%);
  color: var(--color-success);
}

.status-badge--paused {
  border-color: rgb(255 191 91 / 35%);
  background-color: rgb(255 191 91 / 8%);
  color: var(--color-warning);
}

.empty-state {
  display: grid;
  min-block-size: 18rem;
  place-items: center;
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  color: var(--color-text-secondary);
  text-align: center;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-3);
}

.stat-card,
.settings-panel {
  padding: var(--space-4);
}

.stat-card {
  display: grid;
  gap: var(--space-2);
}

.stat-card__label,
.settings-row__description {
  color: var(--color-text-secondary);
  font-size: var(--font-size-xs);
}

.stat-card__value {
  font-family: var(--font-family-mono);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
}

.settings-panel {
  display: grid;
  gap: var(--space-4);
}

.settings-panel__title {
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-semibold);
}

.settings-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.settings-row__copy {
  display: grid;
  gap: var(--space-1);
}

.toggle {
  position: relative;
  flex: 0 0 auto;
  inline-size: 2.75rem;
  block-size: 1.5rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  background-color: var(--color-background);
  transition: background-color var(--duration-fast) var(--ease-standard),
    border-color var(--duration-fast) var(--ease-standard);
}

.toggle::after {
  position: absolute;
  inset-block-start: 0.1875rem;
  inset-inline-start: 0.1875rem;
  inline-size: 1rem;
  block-size: 1rem;
  border-radius: var(--radius-full);
  background-color: var(--color-text-secondary);
  content: "";
  transition: transform var(--duration-fast) var(--ease-standard),
    background-color var(--duration-fast) var(--ease-standard);
}

.toggle[aria-pressed="true"] {
  border-color: var(--color-accent);
  background-color: rgb(33 230 208 / 20%);
}

.toggle[aria-pressed="true"]::after {
  transform: translateX(1.125rem);
  background-color: var(--color-accent);
}

/* Immersive space environment */
.app-shell {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: #050816;
}

.app-shell > :not(.background-layers) {
  position: relative;
  z-index: var(--z-index-raised);
}

.background-layers,
.background-layers > div {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.background-layers {
  z-index: var(--z-index-base);
}

.background-stars {
  background-image: radial-gradient(circle at 20% 25%, rgb(244 247 255 / 80%) 0 1px, transparent 1.5px),
    radial-gradient(circle at 78% 12%, rgb(33 230 208 / 72%) 0 1px, transparent 1.5px),
    radial-gradient(circle at 62% 68%, rgb(168 121 255 / 65%) 0 1px, transparent 1.5px),
    radial-gradient(circle at 15% 80%, rgb(91 140 255 / 58%) 0 1px, transparent 1.5px);
  background-size: 17rem 17rem, 23rem 23rem, 29rem 29rem, 37rem 37rem;
  opacity: var(--opacity-hover);
}

.background-nebula {
  background: linear-gradient(120deg, transparent 15%, rgb(91 140 255 / 13%) 45%, transparent 72%),
    linear-gradient(300deg, transparent 20%, rgb(168 121 255 / 14%) 52%, transparent 78%),
    linear-gradient(180deg, rgb(7 10 20 / 30%), rgb(5 8 22 / 82%));
  filter: blur(2rem);
  transform: scale(1.08);
}

.background-grid {
  background-image: linear-gradient(rgb(91 140 255 / 9%) 1px, transparent 1px),
    linear-gradient(90deg, rgb(91 140 255 / 9%) 1px, transparent 1px);
  background-position: center 9rem;
  background-size: 3rem 3rem;
  mask-image: linear-gradient(to bottom, transparent, black 28%, transparent 88%);
  opacity: 0.35;
  transform: perspective(42rem) rotateX(62deg) scale(1.7) translateY(34%);
  transform-origin: center bottom;
}

.background-particles {
  background-image: radial-gradient(circle, rgb(33 230 208 / 42%) 0 1px, transparent 1.5px),
    radial-gradient(circle, rgb(168 121 255 / 35%) 0 1px, transparent 1.5px);
  background-position: 0 0, 7rem 11rem;
  background-size: 13rem 19rem, 23rem 29rem;
  opacity: 0.48;
}

.background-noise {
  background-image: repeating-linear-gradient(0deg, rgb(244 247 255 / 2%) 0 1px, transparent 1px 3px);
  mix-blend-mode: soft-light;
  opacity: 0.28;
}

.app-header {
  border-block-end-color: rgb(91 140 255 / 18%);
  background-color: rgb(5 8 22 / 58%);
  box-shadow: 0 1px 0 rgb(33 230 208 / 8%);
}

.workspace {
  grid-template-columns: minmax(0, 1fr) 16rem;
  align-items: start;
  gap: var(--space-8);
  padding-block: var(--space-5) var(--space-10);
}

.workspace-main {
  gap: var(--space-5);
}

.workspace-sidebar {
  position: sticky;
  inset-block-start: 4.75rem;
  gap: var(--space-4);
}

.hero {
  display: grid;
  gap: var(--space-1);
  max-inline-size: var(--container-md);
  padding: 0 0 0 var(--space-4);
  border-inline-start: 1px solid rgb(33 230 208 / 42%);
}

.hero h1 {
  max-inline-size: 15ch;
  font-size: clamp(2.5rem, 3.25vw, 3.75rem);
  font-weight: var(--font-weight-semibold);
  line-height: 1.02;
  letter-spacing: -0.035em;
  text-shadow: 0 0 2rem rgb(91 140 255 / 22%);
}

.hero > p:last-child {
  max-inline-size: 46rem;
  color: var(--color-text-secondary);
  font-size: var(--font-size-md);
  line-height: var(--line-height-relaxed);
}

.task-composer {
  grid-template-columns: minmax(8.75rem, 0.55fr) minmax(0, 3.45fr);
  align-items: end;
  gap: var(--space-4);
  border-color: rgb(91 140 255 / 24%);
  background: linear-gradient(115deg, rgb(16 25 49 / 64%), rgb(7 11 27 / 46%));
  padding: var(--space-3) var(--space-4);
  box-shadow: none;
}

.task-composer .section-heading__title {
  font-size: var(--font-size-lg);
}

.task-composer form {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: var(--space-3);
}

.task-composer .composer-fields {
  grid-template-columns: minmax(15rem, 2fr) repeat(3, minmax(8rem, 1fr));
  gap: var(--space-3);
}

.task-composer .composer-actions {
  padding-block-end: 1px;
}

.task-composer .text-input,
.task-composer .select-input {
  min-block-size: 2.75rem;
  padding-block: var(--space-2);
}

.task-composer .button--primary {
  min-block-size: 2.75rem;
  white-space: nowrap;
}

.task-composer:focus-within {
  border-color: rgb(33 230 208 / 55%);
  box-shadow: 0 0 2.25rem rgb(33 230 208 / 10%);
}

.energy-core {
  position: relative;
  display: grid;
  gap: var(--space-3);
  overflow: visible;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  backdrop-filter: none;
  padding-block: var(--space-1) var(--space-2);
}

.energy-core__heading {
  position: relative;
  z-index: var(--z-index-raised);
}

.energy-core__stage {
  position: relative;
  display: grid;
  min-block-size: 25rem;
  place-items: center;
  isolation: isolate;
}

.energy-core__stage::before {
  position: absolute;
  z-index: -1;
  inline-size: 38rem;
  block-size: 24rem;
  border-radius: 50%;
  background: radial-gradient(ellipse, rgb(33 230 208 / 19%), rgb(91 140 255 / 8%) 44%, transparent 72%);
  content: "";
  filter: blur(var(--blur-lg));
}

.energy-core__beam {
  position: absolute;
  inset-block-start: -16rem;
  inset-inline-start: 50%;
  z-index: -1;
  inline-size: 6rem;
  block-size: 23rem;
  overflow: hidden;
  transform: translateX(-50%);
}

.energy-core__beam-line,
.energy-core__beam-signal {
  position: absolute;
  inset-inline-start: 50%;
  display: block;
  transform: translateX(-50%);
}

.energy-core__beam-line {
  inset-block: 0;
  inline-size: 1px;
  background: linear-gradient(transparent, rgb(33 230 208 / 12%), transparent);
}

.energy-core__beam-signal {
  inset-block-end: 0;
  inline-size: 0.25rem;
  block-size: 4.5rem;
  border-radius: var(--radius-full);
  background: linear-gradient(transparent, var(--color-accent), transparent);
  box-shadow: var(--glow-accent);
  opacity: 0;
}

.energy-core__ring {
  position: absolute;
  border: 1px solid rgb(91 140 255 / 24%);
  border-radius: 50%;
  pointer-events: none;
}

.energy-core__ring--outer {
  inline-size: 26rem;
  block-size: 26rem;
  border-style: dashed;
}

.energy-core__ring--middle {
  inline-size: 21rem;
  block-size: 21rem;
  border-color: rgb(168 121 255 / 32%);
}

.energy-core__ring--inner {
  inline-size: 16rem;
  block-size: 16rem;
  border-color: rgb(33 230 208 / 44%);
  box-shadow: inset 0 0 2.5rem rgb(33 230 208 / 8%), 0 0 2rem rgb(33 230 208 / 8%);
}

.energy-core__content {
  z-index: var(--z-index-raised);
  display: grid;
  justify-items: center;
  gap: var(--space-2);
  inline-size: min(100%, 34rem);
  text-align: center;
}

.energy-core__status,
.energy-core__progress-label {
  color: var(--color-text-secondary);
  font-family: var(--font-family-mono);
  font-size: var(--font-size-xs);
  text-transform: uppercase;
}

.active-session__task {
  max-inline-size: 28rem;
  color: var(--color-text-primary);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-medium);
}

.energy-core__timer {
  margin: 0;
  color: var(--color-text-primary);
  font-size: clamp(5.75rem, 7.6vw, 8.25rem);
  font-weight: var(--font-weight-semibold);
  line-height: 0.95;
  letter-spacing: var(--letter-spacing-display);
  text-shadow: 0 0 2.25rem rgb(33 230 208 / 32%), 0 0 5.5rem rgb(91 140 255 / 20%);
}

.energy-core__progress {
  display: grid;
  gap: var(--space-2);
  inline-size: min(100%, 26rem);
}

.energy-core__progress progress {
  inline-size: 100%;
  block-size: 0.25rem;
  overflow: hidden;
  border: 0;
  border-radius: var(--radius-full);
  background-color: rgb(91 140 255 / 14%);
}

.energy-core__progress progress::-webkit-progress-bar {
  background-color: rgb(91 140 255 / 14%);
}

.energy-core__progress progress::-webkit-progress-value {
  background: var(--gradient-primary);
}

.energy-core__progress progress::-moz-progress-bar {
  background: var(--gradient-primary);
}

.energy-core__particles {
  z-index: -1;
  opacity: 0;
}

.energy-core .task-actions {
  justify-content: center;
}

.energy-core[data-session-state="running"] .energy-core__ring--outer {
  animation: space-orbit 16s linear infinite;
  border-color: rgb(33 230 208 / 55%);
}

.energy-core[data-session-state="running"] .energy-core__ring--middle {
  animation: space-orbit 10s linear infinite reverse;
}

.energy-core[data-session-state="running"] .energy-core__ring--inner {
  animation: space-breathe 4.8s var(--ease-emphasized) infinite;
}

.energy-core[data-session-state="running"] .energy-core__beam-signal {
  opacity: 1;
  animation: space-beam-flow 2.8s var(--ease-decelerate) infinite;
}

.energy-core[data-session-state="running"] .energy-core__particles {
  opacity: 1;
}

.task-grid {
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
  gap: var(--space-5);
}

.space-box {
  min-block-size: 17rem;
  border-color: rgb(91 140 255 / 28%);
  border-radius: var(--radius-xl);
  background: linear-gradient(145deg, rgb(18 29 55 / 72%), rgb(7 10 20 / 52%));
  box-shadow: none;
}

.space-box__orbit {
  position: absolute;
  inset-inline-end: -2.5rem;
  inset-block-start: -2.5rem;
  inline-size: 8rem;
  block-size: 8rem;
  border: 1px solid rgb(168 121 255 / 26%);
  border-radius: 50%;
}

.space-box__state {
  color: var(--color-text-secondary);
  font-family: var(--font-family-mono);
  font-size: var(--font-size-xs);
}

.space-box[data-task-state="running"] {
  border-color: var(--color-accent);
  box-shadow: 0 0 2.5rem rgb(33 230 208 / 18%);
}

.space-box[data-task-state="running"] .space-box__orbit {
  animation: space-orbit 8s linear infinite;
}

.space-box[data-task-state="paused"] {
  border-color: rgb(255 191 91 / 45%);
}

.space-box[data-task-state="completed"] {
  border-color: rgb(69 220 147 / 36%);
  opacity: var(--opacity-muted);
}

.space-box[data-task-state="archived"] {
  filter: grayscale(1);
  opacity: var(--opacity-disabled);
}

.empty-state {
  position: relative;
  grid-template-columns: minmax(10rem, 1fr) minmax(14rem, 1.4fr);
  min-block-size: 16rem;
  overflow: hidden;
  border: 1px solid rgb(91 140 255 / 22%);
  border-style: solid;
  background: radial-gradient(circle at 22% 50%, rgb(91 140 255 / 16%), transparent 35%),
    linear-gradient(140deg, rgb(14 22 44 / 78%), rgb(5 8 22 / 38%));
  padding: var(--space-5) var(--space-6);
  text-align: start;
}

.empty-state::before {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 15% 25%, rgb(244 247 255 / 70%) 0 1px, transparent 1.5px),
    radial-gradient(circle at 75% 70%, rgb(33 230 208 / 60%) 0 1px, transparent 1.5px);
  background-size: 8rem 8rem, 13rem 13rem;
  content: "";
  opacity: 0.65;
}

.empty-state__scene,
.empty-state__content {
  position: relative;
  z-index: var(--z-index-raised);
}

.empty-state__scene {
  display: grid;
  min-block-size: 10rem;
  place-items: center;
}

.empty-state__planet {
  inline-size: 7.5rem;
  block-size: 7.5rem;
  border: 1px solid rgb(33 230 208 / 52%);
  border-radius: 50%;
  background: radial-gradient(circle at 32% 30%, rgb(91 140 255 / 50%), rgb(7 10 20 / 16%) 62%);
  box-shadow: inset -1.5rem -1.5rem 2rem rgb(5 8 22 / 55%), 0 0 3.5rem rgb(91 140 255 / 28%);
}

.empty-state__signal {
  position: absolute;
  inline-size: 11rem;
  block-size: 5rem;
  border-block-start: 1px solid rgb(168 121 255 / 38%);
  border-radius: 50%;
  transform: rotate(-18deg);
}

.empty-state__star {
  position: absolute;
  inline-size: 0.35rem;
  block-size: 0.35rem;
  border-radius: 50%;
  background-color: var(--color-accent);
  box-shadow: var(--glow-accent);
}

.empty-state__star--one {
  inset-block-start: 14%;
  inset-inline-start: 20%;
}

.empty-state__star--two {
  inset-block-end: 12%;
  inset-inline-end: 18%;
}

.empty-state__content {
  display: grid;
  gap: var(--space-2);
  max-inline-size: var(--container-xs);
}

.empty-state__content h3 {
  color: var(--color-text-primary);
  max-inline-size: 25rem;
  font-size: clamp(var(--font-size-xl), 2.1vw, var(--font-size-2xl));
  line-height: var(--line-height-tight);
}

.settings-panel#statistics {
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  padding: 0;
  gap: var(--space-3);
}

.stats-grid {
  gap: 1px;
  overflow: hidden;
  border: 1px solid rgb(91 140 255 / 18%);
  border-radius: var(--radius-md);
  background-color: rgb(91 140 255 / 12%);
}

.stat-card {
  border: 0;
  border-radius: 0;
  background-color: rgb(7 10 20 / 58%);
  align-content: center;
  min-block-size: 4.75rem;
  padding: var(--space-3) var(--space-3);
  box-shadow: none;
}

.stat-card__value {
  color: var(--color-accent);
  font-size: var(--font-size-lg);
}

.app-footer {
  border-block-start: 1px solid rgb(91 140 255 / 16%);
  padding: var(--space-4) var(--space-8);
  color: var(--color-text-secondary);
  font-family: var(--font-family-mono);
  font-size: var(--font-size-xs);
  text-align: center;
}

@media (max-width: 80rem) {
  .task-composer {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-2);
  }
}

@media (max-width: 68rem) {
  .workspace {
    grid-template-columns: minmax(0, 1fr);
  }

  .workspace-sidebar {
    position: static;
    grid-template-columns: minmax(0, 2fr) minmax(14rem, 1fr);
  }

  .settings-panel#statistics {
    gap: var(--space-3);
  }
}

@media (max-width: 46rem) {
  .app-header {
    padding-inline: var(--space-4);
  }

  .workspace {
    inline-size: min(100% - var(--space-8), var(--container-2xl));
    gap: var(--space-5);
    padding-block: var(--space-5) var(--space-10);
  }

  .workspace-main {
    gap: var(--space-5);
  }

  .task-composer form {
    grid-template-columns: 1fr;
  }

  .task-composer .composer-fields {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .task-composer .form-field:first-child {
    grid-column: 1 / -1;
  }

  .task-composer .composer-actions .button {
    inline-size: 100%;
  }

  .task-grid,
  .workspace-sidebar {
    grid-template-columns: 1fr;
  }

  .task-card {
    min-block-size: 14rem;
  }

  .energy-core__stage {
    min-block-size: 22rem;
  }

  .energy-core__ring--outer {
    inline-size: 21rem;
    block-size: 21rem;
  }

  .energy-core__ring--middle {
    inline-size: 17rem;
    block-size: 17rem;
  }

  .energy-core__ring--inner {
    inline-size: 13rem;
    block-size: 13rem;
  }

  .energy-core__timer {
    font-size: clamp(4rem, 12vw, 5.5rem);
  }

  .empty-state {
    grid-template-columns: 1fr;
    padding: var(--space-5);
    text-align: center;
  }

  .empty-state__content {
    justify-items: center;
  }
}

@media (max-width: 32rem) {
  .app-header,
  .section-heading,
  .task-card__header,
  .task-card__footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .app-header {
    gap: var(--space-2);
    padding-block: var(--space-2);
  }

  .header-actions,
  .composer-actions,
  .task-actions {
    inline-size: 100%;
  }

  .header-actions {
    flex-wrap: wrap;
  }

  .task-composer .composer-fields {
    grid-template-columns: 1fr;
  }

  .task-composer .form-field:first-child {
    grid-column: auto;
  }

  .stats-grid {
    grid-template-columns: 1fr;
  }

  .energy-core__stage {
    min-block-size: 20rem;
  }

  .energy-core__ring--outer {
    inline-size: 17rem;
    block-size: 17rem;
  }

  .energy-core__ring--middle {
    inline-size: 14rem;
    block-size: 14rem;
  }

  .energy-core__ring--inner {
    inline-size: 11rem;
    block-size: 11rem;
  }

  .energy-core__timer {
    font-size: clamp(2.75rem, 14vw, 3.5rem);
  }

  .energy-core__beam {
    inset-block-start: -12rem;
    block-size: 18rem;
  }
}