:root {
  --ink: #132a2a;
  --deep: #121523;
  --teal: #35b9c9;
  --aqua: #67d7df;
  --sage: #7fac91;
  --coral: #e78f75;
  --ivory: #fffdf8;
  --wash: #f5f6f0;
  --line: #dce4dd;
  --muted: #66736f;
  --shadow: 0 18px 40px rgba(18, 21, 35, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--wash);
  color: var(--ink);
  font-family: "Avenir Next", Montserrat, Inter, Arial, sans-serif;
}

button,
input,
textarea,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

.app-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 300px 1fr;
}

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  padding: 26px;
  background: var(--deep);
  color: #dffeff;
  display: flex;
  flex-direction: column;
  gap: 26px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.home-link {
  border: 0;
  padding: 0;
  background: transparent;
  color: inherit;
  text-align: left;
}

.home-link:focus-visible {
  outline: 3px solid var(--aqua);
  outline-offset: 5px;
  border-radius: 8px;
}

.brand.home-link {
  width: 100%;
  border-radius: 8px;
}

.brand.home-link:hover strong {
  color: #ffffff;
}

.brand img {
  width: 54px;
  height: 54px;
}

.brand strong {
  display: block;
  font-size: 21px;
}

.brand span {
  color: #91aeb0;
  font-size: 12px;
}

.nav {
  display: grid;
  gap: 8px;
}

.nav-item {
  border: 1px solid transparent;
  background: transparent;
  color: #c5d8d8;
  text-align: left;
  padding: 12px 14px;
  border-radius: 8px;
}

.nav-item:hover,
.nav-item.active {
  background: rgba(103, 215, 223, 0.12);
  border-color: rgba(103, 215, 223, 0.35);
  color: #ffffff;
}

.daily-card {
  margin-top: auto;
  padding: 18px;
  border: 1px solid rgba(103, 215, 223, 0.22);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.04);
}

.daily-card strong {
  display: block;
  line-height: 1.4;
  margin: 8px 0 14px;
}

.main {
  min-width: 0;
  padding: 30px;
}

.topbar {
  display: grid;
  grid-template-columns: 1fr minmax(260px, 430px);
  align-items: center;
  gap: 22px;
  padding: 24px;
  margin-bottom: 22px;
  background: var(--ivory);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.topbar h1 {
  margin: 4px 0 0;
  max-width: 820px;
  font-size: clamp(30px, 4vw, 54px);
  line-height: 1.02;
  letter-spacing: 0;
}

.topbar img {
  width: 100%;
  min-width: 0;
}

.top-logo {
  width: 100%;
  display: block;
}

.top-logo img {
  display: block;
}

.eyebrow {
  margin: 0;
  color: var(--teal);
  text-transform: uppercase;
  letter-spacing: 0.11em;
  font-size: 12px;
  font-weight: 800;
}

.view {
  display: none;
}

.view.active {
  display: block;
}

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 16px;
  margin: 20px 0;
}

.section-head.compact {
  margin-top: 0;
}

h2 {
  margin: 4px 0 0;
  font-size: 32px;
  letter-spacing: 0;
}

h3 {
  margin: 0 0 14px;
  font-size: 18px;
  letter-spacing: 0;
}

.assessment-grid,
.teacher-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.panel,
.path-summary,
.session-detail,
.coach-thread {
  background: var(--ivory);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 20px;
  box-shadow: 0 10px 24px rgba(18, 21, 35, 0.06);
}

.wide {
  grid-column: 1 / -1;
}

.chip-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.chip,
.choice {
  min-height: 48px;
  border: 1px solid var(--line);
  background: #ffffff;
  color: var(--ink);
  border-radius: 8px;
  padding: 12px;
  text-align: left;
}

.chip.selected,
.choice.selected,
.style-card.selected {
  border-color: var(--teal);
  background: #edfafa;
  box-shadow: inset 0 0 0 1px var(--teal);
}

.choice-list,
.style-grid {
  display: grid;
  gap: 10px;
}

.style-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.style-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px;
  background: #ffffff;
}

.style-card strong {
  display: block;
  margin-bottom: 8px;
}

.range-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--muted);
  font-size: 14px;
}

input[type="range"] {
  width: 100%;
  accent-color: var(--teal);
}

textarea,
input[type="text"],
input[type="email"],
input[type="tel"],
input[type="password"],
select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  color: var(--ink);
  padding: 12px;
}

textarea {
  min-height: 96px;
  resize: vertical;
}

.muted {
  color: var(--muted);
  line-height: 1.55;
}

.action-row {
  margin-top: 18px;
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 18px;
  background: rgba(18, 21, 35, 0.58);
}

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

.modal {
  width: min(680px, 100%);
  max-height: calc(100vh - 36px);
  overflow: auto;
  border-radius: 8px;
  background: var(--ivory);
  border: 1px solid var(--line);
  box-shadow: 0 30px 80px rgba(18, 21, 35, 0.28);
  padding: 24px;
}

.registration-form {
  display: grid;
  gap: 14px;
  margin-top: 18px;
}

.registration-form label {
  display: grid;
  gap: 7px;
  color: var(--muted);
  font-weight: 700;
}

.consent-row {
  grid-template-columns: 20px 1fr;
  align-items: start;
  font-weight: 500;
}

.primary-button,
.secondary-button,
.text-button {
  border-radius: 8px;
  min-height: 42px;
  padding: 0 16px;
  border: 1px solid transparent;
}

.primary-button {
  background: var(--deep);
  color: #ffffff;
}

.secondary-button {
  background: #ffffff;
  color: var(--ink);
  border-color: var(--line);
}

.text-button {
  background: transparent;
  color: var(--aqua);
  padding: 0;
  min-height: auto;
}

.module-grid,
.practice-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.module-card {
  background: var(--ivory);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px;
  display: grid;
  gap: 12px;
}

.module-card .score {
  width: max-content;
  padding: 5px 9px;
  border-radius: 999px;
  background: #edfafa;
  color: #177b87;
  font-size: 12px;
  font-weight: 800;
}

.module-card ul,
.clean-list {
  margin: 0;
  padding-left: 20px;
  color: var(--muted);
  line-height: 1.65;
}

.session-layout {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 16px;
}

.session-list {
  display: grid;
  gap: 10px;
}

.session-button {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  text-align: left;
  padding: 14px;
}

.session-button.active {
  border-color: var(--teal);
  background: #edfafa;
}

.session-detail {
  min-height: 520px;
}

.phase-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 16px;
}

.phase {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px;
  background: #ffffff;
}

.coach-layout {
  display: grid;
  gap: 12px;
}

.coach-thread {
  height: min(58vh, 560px);
  min-height: 420px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  overflow: auto;
}

.message {
  max-width: 76%;
  padding: 14px;
  border-radius: 8px;
  line-height: 1.5;
  white-space: pre-line;
}

.message.user {
  margin-left: auto;
  background: var(--deep);
  color: #ffffff;
}

.message.coach {
  background: #edfafa;
  border: 1px solid #cceff1;
}

.coach-form {
  display: grid;
  grid-template-columns: minmax(130px, 170px) minmax(220px, 1fr) minmax(92px, auto);
  gap: 10px;
  align-items: stretch;
}

.coach-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
  white-space: normal;
}

.quick-reply {
  border: 1px solid #9bdde2;
  background: #ffffff;
  color: var(--ink);
  border-radius: 999px;
  padding: 8px 11px;
}

.quick-reply:hover {
  border-color: var(--teal);
  color: #177b87;
}

.loading-message {
  color: var(--muted);
  font-style: italic;
}

.exercise-card {
  min-height: 300px;
}

.breath-orb {
  width: 158px;
  height: 158px;
  border-radius: 50%;
  margin: 10px auto 18px;
  display: grid;
  place-items: center;
  background: radial-gradient(circle, #8feef1, #35b9c9);
  color: var(--deep);
  font-weight: 800;
  transition: transform 4s ease-in-out;
}

.breath-orb.expand {
  transform: scale(1.22);
}

.split-buttons {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  margin-top: 10px;
}

.mini-result {
  margin-top: 12px;
  min-height: 52px;
  padding: 12px;
  border-radius: 8px;
  background: #f0f4ef;
  color: var(--ink);
  line-height: 1.45;
}

.reference-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.reference-links a {
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 12px;
  text-decoration: none;
  background: #ffffff;
}

.reference-links a:hover {
  border-color: var(--teal);
  color: #177b87;
}

.admin-tools {
  display: grid;
  grid-template-columns: minmax(220px, 360px) auto;
  gap: 10px;
  align-items: center;
  margin-bottom: 12px;
}

.login-mode {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 220px));
  gap: 10px;
  margin: 14px 0 12px;
}

.login-mode .choice {
  text-align: center;
  font-weight: 800;
}

.table-wrap {
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.learner-table {
  width: 100%;
  min-width: 920px;
  border-collapse: collapse;
  background: #ffffff;
}

.learner-table th,
.learner-table td {
  text-align: left;
  padding: 12px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

.learner-table th {
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.path-summary {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}

.summary-item {
  border-left: 4px solid var(--teal);
  padding-left: 12px;
}

.summary-item strong {
  display: block;
}

@media (max-width: 1080px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
    height: auto;
  }

  .nav {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .topbar,
  .assessment-grid,
  .module-grid,
  .practice-grid,
  .session-layout,
  .path-summary {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .main,
  .sidebar {
    padding: 18px;
  }

  .chip-grid,
  .style-grid,
  .teacher-grid,
  .phase-grid,
  .coach-form,
  .split-buttons,
  .admin-tools,
  .nav {
    grid-template-columns: 1fr;
  }

  .section-head {
    align-items: stretch;
    flex-direction: column;
  }

  .message {
    max-width: 100%;
  }
}