:root {
  color-scheme: light;
  --bg: #f7f8fc;
  --surface: #ffffff;
  --surface-soft: #f1f4fb;
  --text: #172033;
  --muted: #667085;
  --primary: #2864dc;
  --primary-dark: #1749ad;
  --primary-soft: #eaf0ff;
  --success: #16805a;
  --success-soft: #e5f7ef;
  --warning: #a15c00;
  --warning-soft: #fff3db;
  --danger: #b42318;
  --danger-soft: #fff0ee;
  --border: #e2e7f0;
  --shadow: 0 14px 35px rgba(28, 45, 82, 0.09);
  font-family: Inter, ui-rounded, "SF Pro Rounded", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

html { background: var(--bg); }

body {
  margin: 0;
  min-width: 320px;
  min-height: 100dvh;
  background:
    radial-gradient(circle at top right, rgba(40, 100, 220, 0.08), transparent 28rem),
    var(--bg);
  color: var(--text);
}

button, input { font: inherit; }
button { cursor: pointer; }
button:focus-visible, input:focus-visible { outline: 3px solid rgba(40, 100, 220, 0.28); outline-offset: 2px; }
[hidden] { display: none !important; }

.app-shell { width: 100%; max-width: 660px; min-height: 100dvh; margin: 0 auto; padding: env(safe-area-inset-top) 18px calc(102px + env(safe-area-inset-bottom)); }
.topbar { min-height: 105px; display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 22px 2px 16px; }
.eyebrow { margin: 0 0 4px; color: var(--primary); font-size: .7rem; font-weight: 850; letter-spacing: .16em; }
h1, h2, h3, p { margin-top: 0; }
h1 { margin-bottom: 0; font-size: clamp(1.8rem, 8vw, 2.35rem); letter-spacing: -.04em; }
h2 { margin-bottom: 0; font-size: 1.4rem; letter-spacing: -.025em; }
h3 { margin-bottom: 4px; font-size: 1.06rem; }
.today-badge { display: grid; place-items: center; min-width: 56px; height: 56px; padding: 7px; border: 1px solid var(--border); border-radius: 18px; background: rgba(255,255,255,.76); box-shadow: var(--shadow); color: var(--muted); font-weight: 800; line-height: 1.1; text-align: center; text-transform: uppercase; }
.today-badge strong { display: block; color: var(--text); font-size: 1.25rem; }
.view { animation: fade-in .22s ease; }
@keyframes fade-in { from { opacity: 0; transform: translateY(5px); } }

.day-summary { display: flex; align-items: center; justify-content: space-between; gap: 18px; min-height: 154px; padding: 24px; margin-bottom: 16px; border-radius: 26px; background: linear-gradient(135deg, #1e55c3, #3979ec); color: white; box-shadow: 0 20px 40px rgba(40,100,220,.22); }
.day-summary .muted { color: rgba(255,255,255,.78); }
.summary-icon { display: block; margin-bottom: 11px; font-size: 1.65rem; }
.summary-title { margin-bottom: 5px; font-size: 1.27rem; font-weight: 800; }
.summary-count { flex: 0 0 auto; display: grid; place-items: center; width: 78px; height: 78px; border: 8px solid rgba(255,255,255,.25); border-radius: 50%; font-size: 1.2rem; font-weight: 850; }
.muted { margin-bottom: 0; color: var(--muted); line-height: 1.45; }
.small { font-size: .84rem; }
.stack { display: grid; gap: 12px; }

.medication-card, .settings-card, .day-detail, .notice, .empty-state { border: 1px solid var(--border); border-radius: 22px; background: var(--surface); box-shadow: 0 8px 24px rgba(28,45,82,.05); }
.medication-card { position: relative; overflow: hidden; padding: 20px; }
.medication-card::before { content: ""; position: absolute; inset: 0 auto 0 0; width: 5px; background: var(--med-color, var(--primary)); }
.medication-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
.medication-name { display: flex; align-items: center; gap: 11px; }
.pill-icon { display: grid; place-items: center; flex: 0 0 auto; width: 42px; height: 42px; border-radius: 14px; background: var(--primary-soft); font-size: 1.3rem; }
.status { flex: 0 0 auto; padding: 6px 10px; border-radius: 999px; background: var(--surface-soft); color: var(--muted); font-size: .76rem; font-weight: 800; }
.status.taken { background: var(--success-soft); color: var(--success); }
.status.overdue { background: var(--warning-soft); color: var(--warning); }
.card-actions { display: flex; gap: 9px; margin-top: 18px; }
.card-actions button { flex: 1; }

.primary-button, .secondary-button, .danger-button, .small-button { min-height: 50px; padding: 11px 16px; border-radius: 14px; font-weight: 780; }
.primary-button { border: 0; background: var(--primary); color: white; }
.primary-button:hover { background: var(--primary-dark); }
.primary-button.taken { background: var(--success); }
.secondary-button { border: 1px solid #b7c8eb; background: var(--primary-soft); color: var(--primary-dark); }
.danger-button { border: 1px solid #efb8b2; background: var(--danger-soft); color: var(--danger); }
.small-button { min-height: 42px; border: 0; background: var(--primary); color: #fff; }
.text-button { min-height: 46px; padding: 8px 12px; border: 1px solid var(--border); border-radius: 13px; background: var(--surface); color: var(--primary); font-weight: 750; }
.icon-button { display: grid; place-items: center; width: 44px; height: 44px; padding: 0; border: 1px solid var(--border); border-radius: 14px; background: var(--surface); color: var(--text); font-size: 1.6rem; }

.reminder { display: flex; align-items: flex-start; gap: 12px; padding: 15px 17px; margin-bottom: 12px; border-radius: 17px; background: var(--warning-soft); color: var(--warning); font-weight: 700; }
.reminder span { font-size: 1.25rem; }
.section-heading { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin: 7px 0 16px; }
.section-copy { margin: -6px 0 18px; color: var(--muted); }
.month-controls { display: flex; gap: 7px; }
.calendar-month { margin: 0 0 13px; font-size: 1.12rem; font-weight: 800; text-transform: capitalize; }
.calendar-weekdays, .calendar-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 5px; }
.calendar-weekdays { margin-bottom: 6px; color: var(--muted); font-size: .72rem; font-weight: 800; text-align: center; }
.calendar-day { position: relative; min-height: 52px; padding: 7px 3px 13px; border: 1px solid transparent; border-radius: 14px; background: transparent; color: var(--text); font-size: .9rem; }
.calendar-day.other-month { color: #abb3c1; }
.calendar-day.today { border-color: #9db7ee; background: var(--primary-soft); font-weight: 850; }
.calendar-day.selected { background: var(--primary); color: white; }
.day-dots { position: absolute; left: 50%; bottom: 6px; display: flex; gap: 3px; transform: translateX(-50%); }
.day-dot { width: 5px; height: 5px; border-radius: 50%; background: var(--success); }
.calendar-day.selected .day-dot { background: white; }
.day-detail { min-height: 110px; padding: 18px; margin-top: 18px; }
.detail-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 12px 0; border-top: 1px solid var(--border); }
.detail-row:first-of-type { margin-top: 10px; }
.detail-time { font-weight: 800; }

.nfc-box { margin-top: 16px; padding: 13px; border-radius: 15px; background: var(--surface-soft); }
.nfc-label { display: flex; align-items: center; justify-content: space-between; margin-bottom: 8px; color: var(--muted); font-size: .78rem; font-weight: 800; }
.nfc-link { display: block; overflow: hidden; color: var(--text); font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: .72rem; text-overflow: ellipsis; white-space: nowrap; }
.medication-meta { margin: 8px 0 0 53px; color: var(--muted); font-size: .86rem; }
.settings-card { display: grid; gap: 10px; padding: 20px; margin-bottom: 13px; }
.settings-card input[type="time"] { width: 145px; }
.notice { padding: 14px 16px; margin-bottom: 12px; }
.notice-error { border-color: #f0b7b1; background: var(--danger-soft); color: var(--danger); }
.toast { position: fixed; z-index: 20; top: calc(18px + env(safe-area-inset-top)); left: 50%; width: min(calc(100% - 36px), 520px); padding: 14px 17px; transform: translateX(-50%); border-radius: 16px; background: #172033; box-shadow: var(--shadow); color: white; font-weight: 750; text-align: center; }
.empty-state { padding: 35px 22px; text-align: center; }
.empty-state > span { display: block; margin-bottom: 12px; font-size: 2.4rem; }
.empty-state p { margin-bottom: 0; color: var(--muted); }

.bottom-nav { position: fixed; z-index: 10; right: 0; bottom: 0; left: 0; display: grid; grid-template-columns: repeat(4, 1fr); width: min(100%, 660px); min-height: calc(76px + env(safe-area-inset-bottom)); padding: 8px 10px env(safe-area-inset-bottom); margin: auto; border: 1px solid var(--border); border-bottom: 0; border-radius: 25px 25px 0 0; background: rgba(255,255,255,.94); box-shadow: 0 -12px 35px rgba(28,45,82,.1); backdrop-filter: blur(16px); }
.nav-item { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px; min-width: 0; padding: 7px 2px; border: 0; border-radius: 13px; background: transparent; color: var(--muted); font-size: clamp(.62rem, 2.8vw, .76rem); font-weight: 700; }
.nav-item span { font-size: 1.2rem; line-height: 1; }
.nav-item.active { background: var(--primary-soft); color: var(--primary); }

dialog { width: min(calc(100% - 28px), 560px); max-height: calc(100dvh - 32px); padding: 0; overflow: auto; border: 0; border-radius: 25px; background: var(--surface); box-shadow: 0 25px 70px rgba(20,30,55,.25); color: var(--text); }
dialog::backdrop { background: rgba(17,25,40,.48); backdrop-filter: blur(3px); }
dialog form { display: grid; gap: 11px; padding: 23px; }
.dialog-heading { display: flex; align-items: center; justify-content: space-between; gap: 15px; margin-bottom: 5px; }
label, legend { font-weight: 700; }
label small, .toggle-row small { display: block; margin-top: 3px; color: var(--muted); font-weight: 500; }
input[type="text"], input[type="time"] { width: 100%; min-height: 50px; padding: 10px 13px; border: 1px solid #cbd2df; border-radius: 13px; background: #fff; color: var(--text); font-size: 1rem; }
fieldset { padding: 0; margin: 4px 0; border: 0; }
legend { margin-bottom: 10px; }
.day-selector { display: grid; grid-template-columns: repeat(7, 1fr); gap: 5px; }
.day-selector label { position: relative; }
.day-selector input { position: absolute; opacity: 0; }
.day-selector span { display: grid; place-items: center; aspect-ratio: 1; border: 1px solid var(--border); border-radius: 50%; background: var(--surface-soft); color: var(--muted); font-size: .8rem; }
.day-selector input:checked + span { border-color: var(--primary); background: var(--primary); color: white; }
.day-selector input:focus-visible + span { outline: 3px solid rgba(40,100,220,.28); }
.toggle-row { display: flex; align-items: center; justify-content: space-between; gap: 15px; padding: 13px 0; }
input[role="switch"] { width: 48px; height: 27px; accent-color: var(--primary); }
.form-actions { display: grid; gap: 9px; margin-top: 5px; }

@media (min-width: 700px) {
  .app-shell { padding-right: 0; padding-left: 0; }
  .bottom-nav { bottom: 12px; min-height: 76px; padding-bottom: 8px; border: 1px solid var(--border); border-radius: 25px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; }
}