@layer reset, tokens, layout, components, responsive;

@layer reset {
  *, *::before, *::after { box-sizing: border-box; }
  body, h1, h2, h3, p { margin: 0; }
  button, input, select { font: inherit; }
  button, a, input, select { -webkit-tap-highlight-color: transparent; }
  button { cursor: pointer; }
  a { color: inherit; text-decoration: none; }
  svg { flex-shrink: 0; vertical-align: middle; }
  :focus-visible { outline: 2px solid var(--mint); outline-offset: 5px; }
  ::selection { color: var(--text); background: #326254; }
  html { scroll-behavior: smooth; color-scheme: dark; }
}

@layer tokens {
  :root {
    --bg: #0d1916;
    --surface: #162722;
    --surface-hover: #1c332c;
    --border: #29423a;
    --text: #e3eeea;
    --muted: #9fb5ac;
    --faint: #82998f;
    --mint: #60cfb6;
    --mint-bg: #1b3b32;
    --amber: #ffbb62;
    --amber-bg: #3d2d16;
    --radius: 18px;
  }
  body { background: var(--bg); color: var(--text); font: 15px/1.55 -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif; }
  h1 { font-size: clamp(30px, 3.1vw, 43px); letter-spacing: -1.4px; line-height: 1.2; font-weight: 650; }
  h2, h3 { font-weight: 600; }
  .heading-dot { color: var(--mint); }
  .eyebrow, .nav-label { font-size: 10px; letter-spacing: 1.7px; font-weight: 650; color: var(--faint); }
  .subtitle { color: var(--muted); font-size: 17px; margin-top: 12px; }
  .sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
  .skip-link { position: fixed; top: -100px; left: 16px; z-index: 10; background: var(--mint); color: var(--bg); padding: 12px; border-radius: 8px; }
  .skip-link:focus { top: 8px; }
}

@layer layout {
  .site-header { height: 82px; border-bottom: 1px solid #20352d; display: flex; align-items: center; padding: 0 36px; gap: 28px; }
  .brand { display: inline-flex; align-items: center; font-size: 27px; font-weight: 650; letter-spacing: -1.1px; }
  .brand-mark { width: 35px; height: 35px; border-radius: 11px; display: grid; place-items: center; background: var(--mint-bg); color: var(--mint); margin-right: 11px; }
  .brand-dot { color: var(--mint); }
  .header-note { margin-left: 38px; font-size: 12px; color: var(--faint); }
  .header-login, .account-action { margin-left: auto; }
  .header-login { display: flex; gap: 13px; align-items: center; color: var(--muted); font-size: 13px; }
  .header-login:hover { color: var(--mint); }
  .app-shell { display: grid; grid-template-columns: 212px minmax(0, 1fr); min-height: calc(100vh - 82px); }
  .sidebar { padding: 40px 20px; border-right: 1px solid #20352d; display: flex; flex-direction: column; }
  .nav-label { padding-left: 16px; margin-bottom: 16px; font-size: 9px; }
  .nav-item { display: flex; align-items: center; gap: 13px; padding: 13px 15px; border-radius: 9px; color: var(--muted); font-size: 12px; margin-bottom: 7px; }
  .nav-item .icon { width: 17px; height: 17px; }
  .nav-item:hover { color: var(--text); background: #13251e; }
  .nav-item.active { color: var(--mint); background: #19362d; }
  .sidebar-bottom { margin-top: auto; padding: 90px 15px 4px; }
  .tiny-leaf { color: var(--mint); display: block; margin-bottom: 15px; }
  .sidebar-bottom p { font-size: 12px; color: var(--muted); }
  .sidebar-bottom > span:last-child { display: block; color: var(--faint); font-size: 10px; margin-top: 4px; max-width: 135px; }
  .main-content { width: 100%; max-width: 1300px; margin: 0 auto; padding: 39px 48px 20px; }
  .page-topline { display: flex; justify-content: space-between; align-items: center; margin-bottom: 22px; }
  .page-heading { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
  .dashboard-grid { display: grid; grid-template-columns: minmax(0, 1fr) 286px; gap: 28px; margin-top: 31px; }
  .page-footer { display: flex; justify-content: space-between; gap: 12px; color: var(--faint); font-size: 10px; margin-top: 35px; padding-top: 21px; border-top: 1px solid #20352d; }
}

@layer components {
  .button { min-height: 42px; display: inline-flex; align-items: center; justify-content: center; padding: 10px 18px; border-radius: 9px; gap: 9px; font-size: 12px; font-weight: 650; border: 1px solid transparent; white-space: nowrap; transition: background .15s, border-color .15s; }
  .primary { background: var(--mint); color: #0e3026; }
  .primary:hover { background: #80ddc7; }
  .secondary { background: #1c3b31; color: var(--mint); border-color: #305547; }
  .secondary:hover { background: #244b3e; }
  .button .icon { width: 16px; height: 16px; }
  .sample-label { display: flex; align-items: center; gap: 7px; color: var(--muted); font-size: 10px; border: 1px solid var(--border); border-radius: 20px; padding: 4px 10px; }
  .sample-label > span { width: 5px; height: 5px; border-radius: 50%; background: var(--amber); }
  .sample-label.personal > span { background: var(--mint); }
  .day-toolbar { margin-top: 29px; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 14px; }
  .date-control { display: flex; align-items: center; gap: 10px; font-size: 12px; color: var(--muted); }
  .date-control .icon { width: 15px; height: 15px; color: var(--faint); }
  .today-pill { border-radius: 5px; font-size: 9px; padding: 2px 7px; background: #243a31; color: #b9cdc3; margin-left: 3px; }
  .day-navigation, .day-navigation form { display: flex; align-items: center; gap: 6px; }
  .day-navigation input { width: 130px; min-height: 30px; padding: 4px 8px; font-size: 11px; }
  .meal-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 22px; }
  .meal-chip { max-width: 100%; overflow-wrap: anywhere; background: var(--mint-bg); color: var(--mint); padding: 6px 13px; border-radius: 30px; font-size: 11px; font-weight: 600; }
  .meal-chip:hover { background: #275446; }
  .section-heading { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-bottom: 15px; min-height: 24px; }
  .section-heading h2 { font-size: 11px; letter-spacing: 1.25px; color: var(--muted); }
  .text-link { display: inline-flex; gap: 5px; align-items: center; font-size: 10px; color: var(--faint); }
  .text-link:hover { color: var(--mint); }
  .text-link .icon { width: 12px; height: 12px; }
  .nutrient-list { display: grid; gap: 13px; }
  .nutrient-card { padding: 21px 23px 23px; border: 1px solid var(--border); background: var(--surface); border-radius: var(--radius); }
  .nutrient-top, .nutrient-values { display: flex; justify-content: space-between; align-items: center; gap: 10px; }
  .nutrient-top h3 { font-size: 18px; }
  .status-pill { font-size: 11px; font-weight: 650; padding: 3px 11px; border-radius: 20px; }
  .status-pill.mint { background: var(--mint-bg); color: var(--mint); }
  .status-pill.amber { background: var(--amber-bg); color: var(--amber); }
  .nutrient-values { margin-top: 6px; align-items: baseline; }
  .eaten { font-size: 25px; font-weight: 600; letter-spacing: -.4px; }
  .eaten > span:last-child { font-size: 19px; }
  .target { color: var(--muted); font-size: 12px; }
  .nutrient-bar { height: 10px; background: #2b4840; border-radius: 12px; position: relative; overflow: hidden; margin-top: 18px; }
  .bar-fill { position: absolute; inset: 0 auto 0 0; width: var(--fill); background: var(--mint); border-radius: inherit; }
  .target-range { position: absolute; inset: 0 auto 0 var(--range-start); width: max(var(--range-width), 2px); background: #3e7568; border-inline: 2px solid #65baa6; }
  .bar-legend { display: flex; gap: 21px; margin-top: 17px; font-size: 10px; color: var(--faint); }
  .bar-legend > span { display: flex; gap: 7px; align-items: center; }
  .bar-legend i { width: 14px; height: 6px; border-radius: 2px; }
  .legend-eaten { background: var(--mint); }
  .legend-target { background: #3e7568; border-inline: 2px solid #65baa6; }
  .estimates-note { font-size: 10px; color: var(--faint); margin-top: 18px; display: flex; align-items: center; gap: 6px; }
  .estimates-note .icon { width: 12px; height: 12px; }
  .count-label { font-size: 10px; color: var(--faint); }
  .meal-log-card { border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
  .meal-entry { padding: 22px; }
  .meal-entry + .meal-entry { border-top: 1px solid var(--border); }
  .meal-entry-header { display: flex; gap: 9px; align-items: center; }
  .meal-entry-header form { margin-left: auto; }
  .meal-icon { color: var(--mint); background: #1b352b; border-radius: 8px; height: 30px; width: 30px; display: inline-grid; place-items: center; }
  .meal-icon .icon { width: 16px; height: 16px; }
  .meal-kind { color: var(--muted); font-size: 11px; }
  .meal-entry h3 { overflow-wrap: anywhere; font-size: 14px; line-height: 1.6; margin-top: 14px; font-weight: 500; }
  .meal-calories { font-size: 20px; margin-top: 12px; font-weight: 600; }
  .meal-calories span { font-size: 11px; color: var(--faint); font-weight: 400; }
  .meal-macros { display: flex; justify-content: space-between; gap: 9px; font-size: 9px; margin-top: 11px; color: var(--faint); }
  .meal-macros b { font-weight: 500; color: var(--muted); }
  .add-meal-link { display: flex; align-items: center; justify-content: center; gap: 7px; border-top: 1px solid var(--border); min-height: 51px; color: var(--mint); font-size: 11px; }
  .add-meal-link:hover { background: var(--surface); }
  .add-meal-link .icon { width: 14px; height: 14px; }
  .gentle-note { border-radius: var(--radius); margin-top: 22px; padding: 25px 23px; background: #14291f; }
  .note-mark { color: #83b89c; }
  .gentle-note p { font-size: 19px; line-height: 1.5; font-weight: 400; letter-spacing: -.25px; margin-top: 15px; color: #c4d8c9; }
  .gentle-note > span:last-child { display: block; font-size: 10px; margin-top: 14px; color: #96b5a1; }
  .demo-banner { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 23px 26px; border: 1px solid var(--border); border-radius: 13px; margin-top: 28px; background: #12231d; }
  .demo-banner h2 { font-size: 15px; }
  .demo-banner p { margin-top: 4px; font-size: 11px; color: var(--muted); }
  .quiet-button, .icon-button { background: transparent; color: var(--muted); border: 0; display: inline-flex; align-items: center; justify-content: center; gap: 8px; }
  .quiet-button { font-size: 12px; padding: 6px; }
  .quiet-button:hover, .icon-button:hover { color: var(--mint); }
  .icon-button { width: 32px; height: 32px; border-radius: 6px; }
  .icon-button .icon { width: 15px; height: 15px; }
  .delete-button { color: var(--faint); }
  .delete-button:hover { color: var(--amber); background: var(--amber-bg); }
  .empty-meals { padding: 33px 22px; }
  .empty-meals h3 { margin-top: 18px; font-size: 15px; }
  .empty-meals p { margin-top: 6px; font-size: 11px; color: var(--muted); }
  .message { display: flex; gap: 9px; align-items: center; border: 1px solid #315849; color: var(--mint); background: var(--mint-bg); border-radius: 10px; padding: 12px 16px; margin-bottom: 20px; font-size: 12px; }
  .back-link { display: inline-flex; align-items: center; gap: 5px; color: var(--muted); font-size: 12px; }
  .back-link:hover { color: var(--mint); }
  .form-intro { margin-top: 38px; }
  .form-intro h1 { margin-top: 15px; }
  .entry-form { padding: 28px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); margin-top: 30px; max-width: 720px; }
  .form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
  .field-wide { grid-column: 1 / -1; }
  .field label { display: block; color: var(--muted); font-size: 12px; font-weight: 500; margin-bottom: 8px; }
  input, select { min-height: 43px; border: 1px solid #3c584d; border-radius: 8px; background: #0f2019; padding: 9px 12px; color: var(--text); width: 100%; }
  input::placeholder { color: var(--faint); }
  .form-actions { display: flex; align-items: center; gap: 18px; margin-top: 30px; }
  .form-errors, .field-errors { color: var(--amber); font-size: 12px; margin-bottom: 12px; }
  .field-errors { margin-top: 6px; margin-bottom: 0; }
  .field-errors ul { margin: 0; padding-left: 16px; }
  .help-text { color: var(--faint); font-size: 11px; margin-top: 7px; }
  .login-wrap { max-width: 420px; margin: 62px auto 80px; }
  .login-mark { display: grid; place-items: center; width: 58px; height: 58px; background: var(--mint-bg); color: var(--mint); border-radius: 18px; margin-bottom: 29px; }
  .login-mark .icon { width: 29px; height: 29px; }
  .login-wrap h1 { margin-top: 13px; font-size: 37px; }
  .login-form { margin-top: 29px; }
  .login-form .field { margin-bottom: 22px; }
  .login-wrap .subtitle { font-size: 14px; }
  .full-width { width: 100%; }
  .login-note { color: var(--faint); font-size: 11px; margin-top: 22px; text-align: center; }
  .password-field { position: relative; }
  .password-field input { padding-right: 65px; }
  .password-toggle { position: absolute; inset: 0 8px 0 auto; border: 0; background: transparent; color: var(--muted); font-size: 11px; }
}

@layer responsive {
  @media (min-width: 1600px) { .main-content { padding-top: 55px; } .dashboard-grid { grid-template-columns: minmax(0, 1fr) 310px; gap: 34px; } .nutrient-card { padding: 25px; } }
  @media (max-width: 1200px) { .app-shell { grid-template-columns: 185px minmax(0, 1fr); } .main-content { padding-inline: 30px; } .dashboard-grid { grid-template-columns: minmax(0, 1fr) 250px; gap: 20px; } .sidebar { padding-inline: 12px; } .meal-entry { padding: 18px; } .nutrient-card { padding-inline: 18px; } }
  @media (max-width: 1000px) { .app-shell { grid-template-columns: 166px minmax(0, 1fr); } .dashboard-grid { grid-template-columns: 1fr; } .meal-section { display: grid; grid-template-columns: minmax(0, 1fr) 230px; gap: 0 20px; } .meal-section .section-heading { grid-column: 1 / -1; } .gentle-note { margin-top: 0; } .header-note { margin-left: 0; } .demo-banner { align-items: flex-start; flex-direction: column; gap: 16px; } }
  @media (max-width: 700px) { .site-header { height: 70px; padding: 0 22px; } .brand { font-size: 24px; } .header-note { display: none; } .app-shell { display: block; } .sidebar { display: block; padding: 12px 22px; border-right: 0; border-bottom: 1px solid #20352d; } .nav-label, .sidebar-bottom { display: none; } .sidebar nav { display: flex; gap: 8px; } .nav-item { margin: 0; padding: 9px 12px; font-size: 11px; } .main-content { padding: 27px 22px 20px; } .page-topline { margin-bottom: 20px; } .eyebrow { font-size: 8px; letter-spacing: 1.1px; } .page-heading { align-items: flex-start; } .page-heading > .button { margin-top: 2px; padding: 9px 12px; font-size: 11px; min-height: 38px; } .subtitle { font-size: 13px; margin-top: 9px; } .day-toolbar { margin-top: 23px; } .meal-chips { margin-top: 18px; gap: 7px; } .meal-chip { font-size: 10px; } .dashboard-grid { margin-top: 26px; } .nutrient-top h3 { font-size: 17px; } .nutrient-card { padding: 18px; border-radius: 14px; } .eaten { font-size: 24px; } .status-pill { font-size: 10px; } .target { font-size: 11px; } .meal-section { display: block; } .gentle-note { margin-top: 18px; } .gentle-note p { font-size: 17px; } .demo-banner { padding: 21px; } .page-footer { font-size: 9px; } .form-intro { margin-top: 27px; } .entry-form { padding: 22px; } .form-grid { gap: 18px 14px; } .login-wrap { margin: 44px auto 50px; } }
  @media (max-width: 400px) { .main-content { padding-inline: 17px; } .page-heading { flex-wrap: wrap; gap: 17px; } .page-heading .button { margin-top: 0; } .nutrient-values { flex-wrap: wrap; gap: 0 10px; } .target { font-size: 10px; } .status-pill { font-size: 9px; padding-inline: 8px; } .form-grid { grid-template-columns: 1fr; } }
  @media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { transition: none !important; } }
}