:root {
  --bg-0: #0a1422;
  --bg-1: #10213a;
  --panel: #132641;
  --panel-soft: #1a3252;
  --line: #30527e;
  --line-bright: #4f7fc2;
  --text: #d8ecff;
  --text-dim: #9fb7d4;
  --ok: #79d39f;
  --warn: #ffce7a;
  --btn-a: #2a79ff;
  --btn-b: #1f56bd;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Space Grotesk", sans-serif;
  color: var(--text);
  background:
    radial-gradient(1200px 700px at 10% -10%, #1f3b63 0%, transparent 55%),
    radial-gradient(900px 500px at 95% 20%, #1f3f68 0%, transparent 60%),
    linear-gradient(165deg, var(--bg-0), var(--bg-1));
  padding: 22px;
}

.shell {
  max-width: 980px;
  margin: 0 auto;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, #11233a, #102039 55%, #0d1c32);
  border-radius: 16px;
  box-shadow: 0 22px 40px rgba(0, 0, 0, 0.35);
  overflow: hidden;
  animation: intro 550ms ease-out;
}

@keyframes intro {
  from {
    opacity: 0;
    transform: translateY(14px) scale(0.99);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.header {
  padding: 20px 24px 14px;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(90deg, rgba(41, 110, 224, 0.2), rgba(23, 46, 83, 0.1));
}

.title {
  margin: 0;
  font-family: "Rajdhani", sans-serif;
  font-size: clamp(1.4rem, 2.8vw, 2.1rem);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.content {
  padding: 18px 18px 22px;
}

.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  margin-bottom: 14px;
}

.control {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border: 1px solid var(--line);
  background: rgba(35, 66, 106, 0.4);
  color: var(--text-dim);
  padding: 8px 12px;
  min-height: 56px;
  border-radius: 10px;
  font-size: 0.86rem;
}

.control span {
  font-family: "Rajdhani", sans-serif;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.control input[type="number"] {
  width: 80px;
}

.action {
  margin-left: auto;
  background: linear-gradient(180deg, var(--btn-a), var(--btn-b));
  color: #eaf4ff;
  border: 1px solid #5f95e6;
  border-radius: 10px;
  padding: 8px 14px;
  min-height: 48px;
  width: 240px;
  font-size: 0.9rem;
  font-family: "Rajdhani", sans-serif;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  cursor: pointer;
  transition: transform 120ms ease, filter 120ms ease;
}

.action:hover {
  transform: translateY(-1px);
  filter: brightness(1.07);
}

.ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid #5f95e6;
  border-radius: 10px;
  padding: 10px 14px;
  font-size: 0.9rem;
  font-family: "Rajdhani", sans-serif;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  cursor: pointer;
  transition: transform 120ms ease, background-color 120ms ease;
}

.ghost:hover {
  transform: translateY(-1px);
  background: rgba(47, 92, 160, 0.22);
}

.algo-control {
  margin-left: 0;
  border: none;
  background: transparent;
  padding: 0;
  min-height: 0;
  border-radius: 0;
}

.algo-select {
  min-width: 210px;
  min-height: 40px;
  border-radius: 8px;
  border: 1px solid #3b5e8c;
  background: #0e1b31;
  color: var(--text);
  padding: 7px 10px;
  font-family: "Space Grotesk", sans-serif;
  font-size: 0.84rem;
}

.training-control {
  border: none;
  background: transparent;
  padding: 0;
  min-height: 40px;
  gap: 8px;
}

.training-toggle-input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.training-toggle-lever {
  width: 42px;
  height: 24px;
  border: 1px solid #3b5e8c;
  border-radius: 999px;
  background: #0e1b31;
  position: relative;
  display: inline-block;
  transition: background-color 120ms ease, border-color 120ms ease;
}

.training-toggle-lever::after {
  content: "";
  position: absolute;
  top: 2px;
  left: 2px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #c6ddff;
  transition: transform 120ms ease;
}

.training-toggle-input:checked + .training-toggle-lever {
  background: #1f56bd;
  border-color: #5f95e6;
}

.training-toggle-input:checked + .training-toggle-lever::after {
  transform: translateX(18px);
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: linear-gradient(180deg, rgba(22, 42, 70, 0.9), rgba(16, 33, 58, 0.95));
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 760px;
}

th,
td {
  border-bottom: 1px solid rgba(57, 93, 137, 0.7);
  border-right: 1px solid rgba(57, 93, 137, 0.45);
  text-align: center;
  padding: 9px 8px;
  font-size: 0.9rem;
}

th {
  position: sticky;
  top: 0;
  background: #1b3658;
  font-family: "Rajdhani", sans-serif;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  z-index: 1;
}

td:first-child,
th:first-child {
  text-align: left;
  padding-left: 14px;
  font-weight: 700;
  min-width: 125px;
}

tr:last-child td {
  border-bottom: none;
}

th:last-child,
td:last-child {
  border-right: none;
}

input[type="number"] {
  width: 88px;
  max-width: 100%;
  padding: 8px 8px;
  text-align: center;
  background: #0e1b31;
  color: var(--text);
  border: 1px solid #3b5e8c;
  border-radius: 8px;
  font-family: "Space Grotesk", sans-serif;
  font-size: 0.9rem;
}

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

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

.results {
  margin-top: 14px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: linear-gradient(180deg, #142a47, #11233d);
  padding: 14px;
}

.results-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.results-head-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.off-ui-toggle {
  min-height: 40px;
}

.off-ui-toggle.is-locked {
  cursor: not-allowed;
  opacity: 0.75;
}

.off-ui-toggle.is-locked .training-toggle-lever,
.off-ui-toggle.is-locked .training-toggle-input,
.off-ui-toggle.is-locked * {
  cursor: not-allowed;
}

.results h3 {
  margin: 0;
  font-family: "Rajdhani", sans-serif;
  font-size: 1.05rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.note {
  margin: 8px 0 0;
  color: var(--warn);
  font-size: 0.88rem;
}

.tip-note {
  margin-bottom: 14px;
}

.ok {
  color: var(--ok);
}

.advanced-toggle {
  border: 1px solid #5f95e6;
  background: transparent;
  color: #d8ecff;
  border-radius: 9px;
  padding: 8px 12px;
  font-family: "Rajdhani", sans-serif;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  cursor: pointer;
}

.advanced-body {
  margin-top: 12px;
  border-top: 1px solid rgba(57, 93, 137, 0.6);
  padding-top: 12px;
}

.advanced-controls {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.advanced-controls label {
  font-family: "Rajdhani", sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--text-dim);
}

.advanced-controls input[type="range"] {
  flex: 1;
  min-width: 220px;
  height: 20px;
  -webkit-appearance: none;
  appearance: none;
  background: transparent;
  --slider-progress: 0%;
}

.advanced-controls input[type="range"]::-webkit-slider-runnable-track {
  height: 8px;
  border-radius: 999px;
  background: linear-gradient(
    90deg,
    #ffffff 0%,
    #ffffff var(--slider-progress),
    rgba(255, 255, 255, 0.22) var(--slider-progress),
    rgba(255, 255, 255, 0.22) 100%
  );
  border: 1px solid rgba(79, 127, 194, 0.45);
}

.advanced-controls input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 2px solid #d7eaff;
  background: #2a79ff;
  margin-top: -5px;
  box-shadow: 0 0 0 3px rgba(42, 121, 255, 0.2);
}

.advanced-controls input[type="range"]::-moz-range-track {
  height: 8px;
  border-radius: 999px;
  background: rgba(49, 78, 114, 0.95);
  border: 1px solid rgba(79, 127, 194, 0.45);
}

.advanced-controls input[type="range"]::-moz-range-progress {
  height: 8px;
  border-radius: 999px;
  background: #ffffff;
}

.advanced-controls input[type="range"]::-moz-range-thumb {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 2px solid #d7eaff;
  background: #2a79ff;
  box-shadow: 0 0 0 3px rgba(42, 121, 255, 0.2);
}

.advanced-controls input[type="range"]:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.advanced-meta {
  margin-top: 8px;
  color: var(--text-dim);
  font-size: 0.88rem;
}

.advanced-warnings {
  margin-top: 8px;
}

.advanced-diff {
  margin-top: 10px;
}

.training-card-deck {
  border: 1px solid rgba(57, 93, 137, 0.8);
  border-radius: 10px;
  background: linear-gradient(180deg, rgba(18, 38, 64, 0.9), rgba(14, 31, 53, 0.92));
  padding: 12px;
  margin-top: 8px;
}

.training-card-stage {
  min-height: 0;
}

.training-card {
  border: 0;
  border-radius: 0;
  background: transparent;
  padding: 0;
}

.training-card.is-hidden {
  display: none;
}

.training-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.training-card-head-nav {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  flex: 0 0 auto;
}

.off-mode-head {
  align-items: flex-start;
}

.off-mode-tip {
  margin-left: auto;
  color: var(--warn);
  font-family: "Space Grotesk", sans-serif;
  font-size: 0.9rem;
  line-height: 1.35;
  text-align: right;
  max-width: 52%;
}

.training-card-title {
  margin: 0;
  font-family: "Rajdhani", sans-serif;
  font-size: 1.24rem;
  line-height: 1.35;
  letter-spacing: 0.03em;
}

.training-card-count {
  flex: 0 0 auto;
  color: var(--text-dim);
  font-family: "Rajdhani", sans-serif;
  font-size: 0.82rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.training-card-steps {
  margin: 0;
  padding-left: 18px;
}

.training-card-steps li + li {
  margin-top: 8px;
}

.training-card-steps > li:nth-child(2) {
  margin-top: 12px;
}

.training-card-step-label {
  font-family: "Rajdhani", sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.training-card-items-wrap {
  position: relative;
  margin-top: 12px;
  padding-top: 12px;
}

.training-card-items-wrap::before {
  content: "";
  position: absolute;
  top: 0;
  left: -10px;
  width: calc(100% + 20px);
  border-top: 1px solid rgba(57, 93, 137, 0.45);
}

.training-card-items-label {
  color: var(--warn);
  font-family: "Rajdhani", sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin-bottom: 6px;
}

.training-card-items {
  margin: 0;
  padding-left: 18px;
}

.training-card-items li + li {
  margin-top: 4px;
}

.training-feed-list {
  margin: 8px 0 0;
  padding-left: 18px;
}

.training-feed-item {
  position: relative;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
  padding-left: 14px;
}

.training-feed-item::before {
  content: "•";
  position: absolute;
  left: 0;
  top: 0;
  color: #ffffff;
  font-size: 1rem;
  line-height: 1.2;
}

.training-feed-item + .training-feed-item {
  margin-top: 4px;
}

.training-feed-main {
  flex: 1 1 auto;
}

.training-feed-stats {
  flex: 0 0 auto;
  text-align: right;
  color: var(--text-dim);
  white-space: nowrap;
}

.training-feed-empty {
  color: var(--text-dim);
}

.training-card-nav {
  display: flex;
  justify-content: flex-end;
  margin-top: 12px;
}

.training-card-button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
}

.advanced-timer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin: 0 0 8px;
  color: var(--warn);
  font-size: 0.88rem;
}

.advanced-timer-right {
  text-align: right;
  margin-left: auto;
}

.advanced-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 540px;
}

.advanced-table th,
.advanced-table td {
  border-bottom: 1px solid rgba(57, 93, 137, 0.65);
  border-right: 1px solid rgba(57, 93, 137, 0.45);
  text-align: center;
  padding: 8px 6px;
  font-size: 0.86rem;
}

.advanced-table th {
  background: #1b3658;
}

.advanced-table th:last-child,
.advanced-table td:last-child {
  border-right: none;
}

.advanced-table .stat-col {
  width: 15%;
  font-size: 0.8rem;
}

.advanced-table .before-col,
.advanced-table .after-col {
  width: 24%;
  font-size: 0.94rem;
  font-weight: 700;
}

.advanced-table .change-col {
  width: 20%;
}

.advanced-table .overshoot-col {
  width: 9%;
  font-size: 0.8rem;
}

.result-table-wrap {
  overflow-x: auto;
  border: 1px solid rgba(57, 93, 137, 0.7);
  border-radius: 10px;
  background: linear-gradient(180deg, rgba(20, 41, 68, 0.95), rgba(16, 34, 57, 0.95));
}

.result-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 760px;
}

.result-table th,
.result-table td {
  border-bottom: 1px solid rgba(57, 93, 137, 0.65);
  border-right: 1px solid rgba(57, 93, 137, 0.45);
  padding: 11px 12px;
  font-size: 0.88rem;
}

.result-table th {
  background: #1b3658;
  font-family: "Rajdhani", sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  text-align: center;
}

.result-table th:first-child,
.result-table td:first-child {
  text-align: left;
}

.result-table th:last-child,
.result-table td:last-child {
  border-right: none;
  text-align: center;
}

.result-table tbody tr:last-child td {
  border-bottom: none;
}

.result-table .material-cell {
  min-width: 140px;
  text-align: left;
}

.result-table td:nth-child(2) {
  text-align: left;
  min-width: 200px;
}

.result-table .numeric-cell {
  text-align: center;
  min-width: 100px;
  font-weight: 700;
  color: #e3f2ff;
}

.material-name {
  color: #9dd87d;
  font-weight: 700;
}

ul {
  margin: 10px 0;
  padding-left: 20px;
}

.step-guide {
  margin: 8px 0 0;
  padding-left: 20px;
}

.step-guide li {
  margin-bottom: 8px;
}

.step-label {
  font-family: "Rajdhani", sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.step-items {
  margin: 6px 0 0;
  padding-left: 18px;
}

.step-items li {
  margin-bottom: 4px;
}

.material-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.material-icon {
  width: 20px;
  height: 20px;
  object-fit: contain;
  image-rendering: auto;
}

.nbt-modal {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(6, 12, 22, 0.72);
  padding: 16px;
  z-index: 30;
}

.nbt-modal.open {
  display: flex;
}

.nbt-modal-card {
  width: min(780px, 100%);
  min-height: 360px;
  border: 1px solid var(--line-bright);
  border-radius: 14px;
  background: linear-gradient(180deg, #122744, #0f2139);
  box-shadow: 0 18px 34px rgba(0, 0, 0, 0.45);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  position: relative;
}

.nbt-close {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 30px;
  height: 30px;
  border-radius: 8px;
  border: 1px solid #4f6f9b;
  background: #1a3256;
  color: #dcecff;
  font-weight: 700;
  cursor: pointer;
}


.nbt-confirm-modal {
  align-items: flex-start;
  padding-top: 25vh;
}

.nbt-confirm-card {
  width: min(620px, 100%);
  min-height: 0;
  padding: 16px;
  gap: 12px;
}

.nbt-confirm-card .nbt-help {
  line-height: 1.45;
}

.nbt-title {
  margin: 0;
  font-family: "Rajdhani", sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.nbt-help {
  margin: 0;
  color: var(--text-dim);
  font-size: 0.9rem;
}

.nbt-howto {
  border: 1px solid rgba(79, 127, 194, 0.55);
  border-radius: 10px;
  background: rgba(19, 39, 66, 0.85);
  padding: 8px 10px;
}

.nbt-howto > summary {
  list-style: none;
  cursor: pointer;
  font-family: "Rajdhani", sans-serif;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: #d8ecff;
}

.nbt-howto > summary::-webkit-details-marker {
  display: none;
}

.nbt-howto > summary::after {
  content: "+";
  float: right;
  color: #7fa8e3;
}

.nbt-howto[open] > summary::after {
  content: "-";
}

.nbt-howto-body {
  margin-top: 8px;
  min-height: 24px;
  border-top: 1px solid rgba(79, 127, 194, 0.45);
  padding-top: 8px;
}

.nbt-howto-body ol {
  margin: 0;
  padding-left: 18px;
  color: var(--text-dim);
  font-size: 0.88rem;
  line-height: 1.5;
}

.nbt-howto-body a {
  color: #9fc6ff;
}

.howto-ref-toggle {
  display: inline-block;
  margin-left: 6px;
  vertical-align: baseline;
}

.howto-ref-toggle > summary {
  display: inline-block;
  list-style: none;
  cursor: pointer;
  color: #9fc6ff;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.howto-ref-toggle > summary::-webkit-details-marker {
  display: none;
}

.howto-ref-toggle[open] > summary {
  color: #c7dcff;
}

.howto-ref-toggle[open] {
  display: block;
  margin-left: 0;
  margin-top: 6px;
}

.howto-ref-image {
  display: block;
  margin-top: 8px;
  width: min(100%, 560px);
  border-radius: 8px;
  border: 1px solid rgba(79, 127, 194, 0.6);
  background: #0d1b31;
}

.nbt-textarea {
  flex: 1;
  min-height: 220px;
  resize: vertical;
  border-radius: 10px;
  border: 1px solid #3a5c86;
  background: #0d1b31;
  color: #d8ecff;
  padding: 12px;
  font-family: "Space Grotesk", sans-serif;
  font-size: 0.86rem;
  line-height: 1.45;
}

.nbt-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}

.nbt-submit,
.nbt-cancel {
  border-radius: 10px;
  border: 1px solid #5f95e6;
  padding: 9px 14px;
  font-family: "Rajdhani", sans-serif;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  cursor: pointer;
}

.nbt-submit {
  background: linear-gradient(180deg, #2ba563, #1d7f4a);
  color: #edfff5;
}

.nbt-cancel {
  background: transparent;
  color: #d8ecff;
}

.footer {
  margin-top: 24px;
  padding: 16px 22px;
  text-align: center;
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(17, 35, 58, 0.5), rgba(13, 28, 50, 0.5));
  color: var(--text-dim);
  font-size: 0.88rem;
  line-height: 1.6;
}

.footer p {
  margin: 0;
}

.footer strong {
  color: var(--text);
  font-weight: 700;
}

@media (max-width: 700px) {
  body {
    padding: 10px;
  }

  .header {
    padding: 14px 14px 12px;
  }

  .content {
    padding: 12px;
  }

  .toolbar {
    gap: 8px;
  }

  .control {
    width: 100%;
    justify-content: space-between;
  }

  .action {
    width: 100%;
    margin-left: 0;
  }

  .ghost {
    width: 100%;
  }

  .algo-select {
    width: 100%;
    min-width: 0;
  }

  .nbt-modal-card {
    min-height: 300px;
  }
}