:root {
  --bg: #f3f6fa;
  --surface: rgba(255, 255, 255, 0.99);
  --surface-strong: #ffffff;
  --surface-soft: #eef3f8;
  --text: #172033;
  --muted: #647184;
  --line: rgba(23, 32, 51, 0.12);
  --primary: #1b4fa8;
  --primary-deep: #132338;
  --accent: #f5820a;
  --accent-deep: #c96708;
  --clinical: #0f766e;
  --warning: #b7791f;
  --success: #0f766e;
  --danger: #b24040;
  --shadow: 0 14px 30px rgba(19, 35, 56, 0.08);
  --radius-lg: 10px;
  --radius-md: 8px;
  --radius-sm: 6px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Avenir Next", Avenir, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    linear-gradient(90deg, rgba(27, 79, 168, 0.08) 0 1px, transparent 1px 100%),
    linear-gradient(180deg, #ffffff 0%, var(--bg) 100%);
  background-size: 32px 32px, auto;
}

button,
input {
  font: inherit;
}

.hidden {
  display: none;
}

body.locked {
  overflow: hidden;
}

body.locked #appShell,
body.locked .modal {
  display: none !important;
  visibility: hidden;
  pointer-events: none;
}

body:not(.locked) #loginScreen {
  display: none;
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.login-screen {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.login-panel {
  width: min(100%, 460px);
  padding: 34px;
  position: relative;
  padding-bottom: 52px;
  border-top: 5px solid var(--primary);
}

.login-panel h1,
.hero h1,
.brand h2,
.section-heading h3,
.therapy-note h3,
.modal-card h3,
h4 {
  margin: 0;
}

.login-form,
.payment-card label {
  display: grid;
  gap: 8px;
}

.login-form label,
.payment-card label {
  margin-bottom: 14px;
  font-size: 0.93rem;
  font-weight: 700;
}

input {
  width: 100%;
  padding: 14px 15px;
  color: var(--text);
  background: #ffffff;
  border: 1px solid rgba(15, 15, 16, 0.12);
  border-radius: var(--radius-sm);
}

input:focus {
  outline: 2px solid rgba(56, 161, 105, 0.18);
  border-color: rgba(36, 122, 74, 0.55);
}

.password-field {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
}

.inline-button,
.ghost-button,
.nav-item,
.primary-button {
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: transform 160ms ease, background 160ms ease, box-shadow 160ms ease;
}

.home-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  color: var(--text);
  font-weight: 700;
  background: var(--surface-soft);
  border: 1px solid var(--line);
}

.inline-button {
  padding: 0 14px;
  color: var(--text);
  background: var(--surface-soft);
}

.eyebrow {
  margin: 0 0 6px;
  font-size: 0.77rem;
  text-transform: uppercase;
  letter-spacing: 0.13em;
  color: var(--muted);
}

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

.login-note {
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.login-credit {
  position: absolute;
  right: 18px;
  bottom: 14px;
  margin: 0;
  font-size: 0.76rem;
  color: var(--muted);
}

.primary-button {
  padding: 14px 20px;
  color: white;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary), #2563eb);
  box-shadow: 0 10px 20px rgba(27, 79, 168, 0.2);
}

.ghost-button {
  padding: 12px 14px;
  color: var(--text);
  background: rgba(27, 79, 168, 0.08);
  font-weight: 700;
  border: 1px solid rgba(27, 79, 168, 0.14);
}

.compact-button {
  width: auto;
}

.full-width {
  width: 100%;
}

.form-message {
  min-height: 1.5rem;
  margin: 8px 0 0;
  font-weight: 700;
}

.form-message.success {
  color: var(--success);
}

.form-message.error {
  color: var(--danger);
}

.app-shell {
  display: grid;
  grid-template-columns: 300px minmax(0, 1fr);
  min-height: 100vh;
}

.mobile-nav-bar,
.mobile-nav-backdrop {
  display: none;
}

.sidebar {
  padding: 28px 22px;
  border-right: 1px solid var(--line);
  background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 28px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  font-weight: 800;
  color: white;
  background: linear-gradient(135deg, var(--primary), var(--clinical));
}

.nav-list {
  display: grid;
  gap: 10px;
  margin-bottom: 24px;
}

.nav-item {
  padding: 14px 16px;
  text-align: left;
  background: transparent;
  color: var(--text);
  font-weight: 700;
}

.nav-item:hover,
.nav-item.active,
.home-link:hover,
.ghost-button:hover,
.inline-button:hover,
.primary-button:hover {
  transform: translateY(-1px);
}

.nav-item.active,
.nav-item:hover {
  color: var(--primary-deep);
  background: rgba(27, 79, 168, 0.08);
  box-shadow: inset 4px 0 0 var(--primary);
}

.therapy-note {
  padding: 20px;
  background: #f8fbff;
  box-shadow: none;
}

.goal-list {
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.goal-list li {
  margin-bottom: 12px;
}

.goal-item {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--muted);
  cursor: pointer;
}

.goal-item input[type="checkbox"] {
  width: 18px;
  height: 18px;
  margin: 0;
  accent-color: var(--accent-deep);
  pointer-events: none;
}

.goal-item input[type="checkbox"]:checked + span {
  color: var(--text);
  text-decoration: line-through;
}

.main-content {
  padding: 28px;
}

.hero {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  padding: 24px 28px;
  margin-bottom: 22px;
  border-top: 5px solid var(--primary);
  box-shadow: 0 18px 36px rgba(19, 35, 56, 0.09);
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 22px;
}

.hero-value {
  margin: 0;
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--primary);
}

.content-grid {
  display: grid;
  gap: 22px;
}

.panel {
  display: none;
  padding: 24px;
}

.panel.active {
  display: block;
}

.section-heading {
  display: flex;
  justify-content: space-between;
  align-items: start;
  gap: 14px;
  margin-bottom: 20px;
}

.status-pill,
.secure-pill {
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.84rem;
  font-weight: 700;
}

.status-pill {
  background: rgba(15, 118, 110, 0.12);
  color: var(--clinical);
}

.secure-pill {
  background: rgba(27, 79, 168, 0.08);
  color: var(--primary-deep);
}

.stats-grid,
.contact-grid,
.info-grid,
.ad-grid {
  display: grid;
  gap: 16px;
}

.stats-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-bottom: 18px;
}

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

.info-grid,
.ad-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.stat-card,
.statement-card,
.payment-card,
.insight-card,
.contact-card,
.info-card,
.ad-card {
  padding: 20px;
  border-radius: var(--radius-md);
  background: var(--surface-strong);
  border: 1px solid var(--line);
  box-shadow: none;
}

.stat-label,
.contact-label {
  margin: 0 0 6px;
  color: var(--muted);
  font-size: 0.92rem;
}

.stat-value {
  margin: 0 0 5px;
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.stat-value.compact {
  font-size: 1.45rem;
}

.split-card {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 20px;
  padding: 20px;
}

.summary-list,
.account-grid {
  display: grid;
  gap: 16px;
  margin: 0;
}

.summary-list {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

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

.summary-list div,
.account-grid div {
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.summary-list dt,
.account-grid dt {
  margin-bottom: 6px;
  color: var(--muted);
}

.summary-list dd,
.account-grid dd {
  margin: 0;
  font-weight: 800;
}

.billing-layout {
  display: grid;
  grid-template-columns: 320px minmax(0, 1fr);
  gap: 18px;
}

.payment-stack {
  display: grid;
  gap: 18px;
}

.payment-heading {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.payment-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.payment-row.two-columns {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.line-item {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.line-item.total {
  margin-top: 6px;
  font-size: 1.06rem;
}

.training-card {
  background: linear-gradient(135deg, rgba(27, 79, 168, 0.08), rgba(255, 255, 255, 0.9));
  border-color: rgba(27, 79, 168, 0.18);
}

.training-list {
  display: grid;
  gap: 12px;
  margin: 14px 0 0;
}

.training-list div {
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.training-list dt {
  margin-bottom: 4px;
  color: var(--muted);
}

.training-list dd {
  margin: 0;
  font-weight: 800;
}

.usage-chart {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  align-items: end;
  min-height: 260px;
  padding: 14px 0 20px;
}

.bar-group {
  display: grid;
  justify-items: center;
  gap: 10px;
}

.bar {
  width: 100%;
  max-width: 82px;
  height: 190px;
  border-radius: 8px 8px 0 0;
  background: linear-gradient(180deg, var(--primary), #9bbce6);
  clip-path: inset(calc(100% - var(--size)) 0 0 0 round 8px 8px 0 0);
}

.bar-group.highlight .bar {
  background: linear-gradient(180deg, var(--clinical), #8fd0c9);
}

.insight-card {
  margin-top: 10px;
}

.modal {
  padding: 0;
  border: none;
  background: transparent;
}

.modal::backdrop {
  background: rgba(0, 0, 0, 0.66);
}

.modal-card {
  width: min(100vw - 32px, 420px);
  padding: 28px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: #ffffff;
  box-shadow: var(--shadow);
}

.site-footer {
  margin-top: 20px;
  font-size: 0.82rem;
  color: var(--muted);
  text-align: center;
}

@media (max-width: 1120px) {
  .stats-grid,
  .contact-grid,
  .billing-layout,
  .info-grid,
  .ad-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 900px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .mobile-nav-bar {
    position: sticky;
    top: 0;
    z-index: 30;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    padding: 12px 18px;
    color: white;
    background: var(--primary-deep);
    box-shadow: 0 10px 24px rgba(18, 58, 100, 0.14);
  }

  .mobile-nav-title {
    min-width: 0;
    font-weight: 800;
  }

  .mobile-nav-button {
    display: inline-grid;
    place-items: center;
    width: 44px;
    height: 40px;
    border: 1px solid rgba(255, 255, 255, 0.28);
    border-radius: var(--radius-sm);
    color: white;
    background: transparent;
    cursor: pointer;
  }

  .mobile-nav-icon,
  .mobile-nav-icon::before,
  .mobile-nav-icon::after {
    display: block;
    width: 20px;
    height: 2px;
    background: currentColor;
    content: "";
  }

  .mobile-nav-icon {
    position: relative;
  }

  .mobile-nav-icon::before,
  .mobile-nav-icon::after {
    position: absolute;
    left: 0;
  }

  .mobile-nav-icon::before {
    top: -7px;
  }

  .mobile-nav-icon::after {
    top: 7px;
  }

  .app-shell.mobile-menu-open .mobile-nav-icon {
    background: transparent;
  }

  .app-shell.mobile-menu-open .mobile-nav-icon::before {
    top: 0;
    transform: rotate(45deg);
  }

  .app-shell.mobile-menu-open .mobile-nav-icon::after {
    top: 0;
    transform: rotate(-45deg);
  }

  .mobile-nav-backdrop {
    position: fixed;
    inset: 0;
    z-index: 35;
    display: block;
    background: rgba(12, 26, 43, 0.42);
    opacity: 0;
    pointer-events: none;
    transition: opacity 160ms ease;
  }

  .app-shell.mobile-menu-open .mobile-nav-backdrop {
    opacity: 1;
    pointer-events: auto;
  }

  .sidebar {
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    z-index: 40;
    width: min(84vw, 340px);
    overflow-y: auto;
    transform: translateX(-105%);
    transition: transform 180ms ease;
    border-right: 1px solid var(--line);
    border-bottom: none;
    box-shadow: 18px 0 34px rgba(12, 26, 43, 0.18);
  }

  .app-shell.mobile-menu-open .sidebar {
    transform: translateX(0);
  }

  body.mobile-menu-locked {
    overflow: hidden;
  }

  .main-content {
    padding-bottom: 0;
  }

  .hero,
  .hero-stats {
    flex-direction: column;
    align-items: stretch;
  }

  .nav-list {
    grid-template-columns: 1fr;
  }

  .split-card,
  .summary-list,
  .account-grid,
  .payment-row,
  .usage-chart {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .main-content,
  .sidebar,
  .login-screen {
    padding: 18px;
  }

  .panel,
  .therapy-note,
  .login-panel,
  .modal-card {
    padding: 18px;
  }

  .nav-list {
    grid-template-columns: 1fr;
  }

  .hero {
    padding: 20px;
  }

  .hero h1 {
    font-size: 1.55rem;
  }

  .section-heading,
  .payment-heading {
    flex-direction: column;
    align-items: stretch;
  }
}