:root {
    --ink: #172033;
    --muted: #64748b;
    --navy: #153e75;
    --blue: #2563eb;
    --gold: #f59e0b;
    --line: #e2e8f0;
    --surface: #ffffff;
    --background: #f5f7fb;
}

html { font-size: 15px; min-height: 100%; }
body { margin: 0; min-height: 100vh; background: var(--background); color: var(--ink); font-family: Inter, "Segoe UI", system-ui, sans-serif; }
a { color: var(--blue); }
.btn { border-radius: .7rem; font-weight: 650; }
.btn-primary { background: var(--blue); border-color: var(--blue); }
.btn-light { background: #fff; border-color: var(--line); }
.form-control, .form-select { border-color: #cbd5e1; border-radius: .65rem; padding: .7rem .8rem; }
.form-control:focus, .form-select:focus { border-color: #60a5fa; box-shadow: 0 0 0 .2rem rgb(37 99 235 / .12); }

.app-header { background: var(--navy); box-shadow: 0 6px 24px rgb(15 23 42 / .12); }
.app-header .navbar { min-height: 68px; }
.navbar-brand { display: flex; align-items: center; gap: .7rem; letter-spacing: -.02em; }
.navbar-brand img { border-radius: 9px; }
.app-header .nav-link { color: rgb(255 255 255 / .76); font-weight: 550; }
.app-header .nav-link:hover { color: #fff; }
.app-header .account-nav .nav-link { color: rgb(255 255 255 / .86); }
.app-header .account-nav .nav-link:hover,
.app-header .account-nav .nav-link:focus { color: #fff; }
.app-header .account-nav .btn.nav-link { text-align: left; text-decoration: none; }
.app-main { min-height: calc(100vh - 138px); padding-top: 2rem; padding-bottom: 3rem; }
.app-footer { color: var(--muted); padding: 1.25rem 0; border-top: 1px solid var(--line); background: #fff; }

.eyebrow { color: var(--blue); display: block; font-size: .74rem; font-weight: 800; letter-spacing: .13em; margin-bottom: .35rem; }
h1 { font-size: clamp(1.8rem, 3vw, 2.55rem); font-weight: 750; letter-spacing: -.035em; margin: 0; }
h2 { font-size: 1.25rem; font-weight: 730; }
.panel { background: var(--surface); border: 1px solid var(--line); border-radius: 1rem; box-shadow: 0 10px 30px rgb(15 23 42 / .05); }

.welcome-card { min-height: 520px; display: grid; grid-template-columns: 1.25fr .75fr; gap: 4rem; align-items: center; padding: clamp(2rem, 6vw, 5rem); border-radius: 1.5rem; background: linear-gradient(135deg, #fff 0%, #eef5ff 100%); border: 1px solid #dbeafe; overflow: hidden; }
.welcome-card h1 { max-width: 650px; font-size: clamp(2.7rem, 6vw, 5rem); line-height: .98; }
.welcome-card p { color: var(--muted); font-size: 1.18rem; line-height: 1.7; max-width: 620px; margin-top: 1.4rem; }
.welcome-calendar { background: #fff; border: 1px solid var(--line); border-radius: 1.5rem; box-shadow: 0 30px 70px rgb(21 62 117 / .18); text-align: center; transform: rotate(3deg); overflow: hidden; }
.welcome-calendar-top { background: var(--gold); color: #fff; font-weight: 800; letter-spacing: .16em; padding: 1.2rem; }
.welcome-calendar strong { color: var(--navy); display: block; font-size: 8rem; line-height: 1.1; padding-top: 1rem; }
.welcome-calendar span { color: var(--muted); display: block; padding: .5rem 1rem 2rem; }

.calendar-toolbar, .page-heading { display: flex; align-items: end; justify-content: space-between; gap: 1.5rem; margin-bottom: 1.5rem; }
.calendar-actions, .month-nav { display: flex; flex-wrap: wrap; gap: .5rem; }
.calendar-scroll { overflow-x: auto; border: 1px solid var(--line); border-radius: 1rem; background: #fff; box-shadow: 0 10px 30px rgb(15 23 42 / .04); }
.calendar-grid { display: grid; grid-template-columns: repeat(7, minmax(112px, 1fr)); min-width: 784px; }
.calendar-weekdays { color: var(--muted); font-size: .74rem; font-weight: 800; letter-spacing: .09em; text-align: center; text-transform: uppercase; border-bottom: 1px solid var(--line); }
.calendar-weekdays div { padding: .8rem; }
.month-grid { grid-template-rows: repeat(6, minmax(118px, auto)); }
.calendar-day { min-height: 118px; padding: .55rem; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: #fff; }
.calendar-day:nth-child(7n) { border-right: 0; }
.calendar-day:nth-last-child(-n + 7) { border-bottom: 0; }
.calendar-day.outside { background: #f8fafc; color: #94a3b8; }
.calendar-day.today { background: #eff6ff; }
.calendar-day header { display: flex; justify-content: space-between; align-items: center; min-height: 24px; font-weight: 700; }
.calendar-day.today header > span { display: grid; place-items: center; width: 26px; height: 26px; border-radius: 50%; color: #fff; background: var(--blue); }
.calendar-day header small { color: var(--blue); font-size: .65rem; text-transform: uppercase; }
.day-events { display: grid; gap: .3rem; padding-top: .4rem; }
.calendar-event { display: block; color: var(--ink); background: color-mix(in srgb, var(--event-colour) 12%, white); border-left: 4px solid var(--event-colour); border-radius: .35rem; font-size: .72rem; font-weight: 700; line-height: 1.3; padding: .32rem .4rem; text-decoration: none; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.calendar-event span { color: var(--muted); font-weight: 550; margin-right: .2rem; }
.calendar-event:hover { color: var(--ink); filter: brightness(.97); }
.calendar-event.cancelled { opacity: .55; text-decoration: line-through; }
.calendar-note, .form-hint { color: var(--muted); font-size: .86rem; margin-top: .8rem; }
.mobile-calendar { display: none; }

.form-panel { max-width: 940px; padding: clamp(1.25rem, 3vw, 2.2rem); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }
.form-field { min-width: 0; }
.form-field-wide { grid-column: 1 / -1; }
.form-label { font-weight: 700; margin-bottom: .4rem; }
.form-control-color { width: 100%; height: 46px; }
.form-check-row { display: flex; flex-wrap: wrap; gap: 1.75rem; padding-top: .25rem; }
.form-check { display: flex; align-items: center; gap: .45rem; }
.form-check-input { margin: 0; }
.form-actions { display: flex; align-items: center; gap: .75rem; border-top: 1px solid var(--line); margin-top: 1.5rem; padding-top: 1.5rem; }

.appointment-details { position: relative; max-width: 820px; padding: 2rem; overflow: hidden; }
.appointment-accent { position: absolute; inset: 0 auto 0 0; width: 7px; background: var(--event-colour); }
.appointment-details dl { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem 2rem; margin: 0; }
.appointment-details dl div { border-bottom: 1px solid var(--line); padding-bottom: 1rem; }
.appointment-details dt { color: var(--muted); font-size: .72rem; letter-spacing: .08em; text-transform: uppercase; }
.appointment-details dd { font-size: 1.02rem; font-weight: 650; margin: .3rem 0 0; }
.description-block { margin-top: 1.5rem; }
.description-block p { white-space: pre-wrap; }
.status-badge { display: inline-flex; border-radius: 999px; font-size: .75rem; font-weight: 800; padding: .35rem .65rem; margin-bottom: 1.2rem; }
.status-badge.cancelled { background: #fee2e2; color: #991b1b; }
.danger-zone { max-width: 820px; margin-top: 2rem; padding: 1.1rem 1.25rem; border: 1px solid #fecaca; border-radius: .8rem; display: flex; justify-content: space-between; align-items: center; gap: 1rem; }
.danger-zone div { display: grid; }
.danger-zone span { color: var(--muted); font-size: .85rem; }

.notification-layout { display: grid; grid-template-columns: 1.1fr .9fr; gap: 1.5rem; max-width: 960px; }
.notification-card, .setup-guide { padding: clamp(1.4rem, 4vw, 2.5rem); }
.notification-icon { width: 62px; height: 62px; display: grid; place-items: center; border-radius: 1rem; background: #eff6ff; font-size: 2rem; margin-bottom: 1.4rem; }
.notification-card p { color: var(--muted); line-height: 1.7; }
.push-status { min-height: 1.5rem; color: var(--muted); margin-top: 1rem; }
.push-status.success { color: #047857; }
.push-status.error { color: #b91c1c; }
.setup-guide h2:not(:first-child) { margin-top: 1.7rem; }
.setup-guide li { color: var(--muted); margin-bottom: .55rem; }

@media (max-width: 800px) {
    .welcome-card { grid-template-columns: 1fr; min-height: auto; gap: 2.5rem; }
    .welcome-calendar { max-width: 340px; }
    .calendar-toolbar, .page-heading { align-items: flex-start; flex-direction: column; }
    .form-grid, .appointment-details dl, .notification-layout { grid-template-columns: 1fr; }
    .form-field-wide { grid-column: auto; }
}

@media (max-width: 700px) {
    .desktop-calendar { display: none; }
    .mobile-calendar { display: block; }
    .calendar-toolbar { margin-bottom: 1rem; }
    .calendar-actions { width: 100%; justify-content: space-between; }
    .month-nav { flex-wrap: nowrap; }
    .mini-calendar { padding: .8rem; box-shadow: 0 8px 24px rgb(15 23 42 / .05); }
    .mini-weekdays, .mini-month-grid { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); }
    .mini-weekdays span { color: var(--muted); font-size: .68rem; font-weight: 800; padding: .25rem 0 .55rem; text-align: center; }
    .mini-day { position: relative; min-width: 0; aspect-ratio: 1; display: grid; place-items: center; border-radius: .65rem; color: var(--ink); font-size: .84rem; font-weight: 700; }
    .mini-day.outside { color: #cbd5e1; }
    .mini-day.today { background: var(--blue); color: #fff; }
    .mini-date { line-height: 1; }
    .mini-event-count { position: absolute; right: 3px; bottom: 3px; min-width: 16px; height: 16px; padding: 0 4px; display: grid; place-items: center; border-radius: 999px; background: var(--gold); color: #fff; font-size: .58rem; font-weight: 800; }
    .mini-day.today .mini-event-count { background: #fff; color: var(--blue); }
    .mobile-agenda { margin-top: 1.4rem; }
    .mobile-agenda-heading { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: .75rem; }
    .mobile-agenda-heading h2 { margin: 0; }
    .mobile-agenda-heading span { color: var(--muted); font-size: .82rem; font-weight: 650; }
    .mobile-agenda-list { display: grid; gap: .65rem; }
    .agenda-event { position: relative; display: grid; grid-template-columns: 48px minmax(0, 1fr) 18px; gap: .85rem; align-items: center; padding: .85rem .85rem .85rem 1rem; color: var(--ink); text-decoration: none; overflow: hidden; box-shadow: 0 6px 18px rgb(15 23 42 / .04); }
    .agenda-event::before { content: ""; position: absolute; inset: 0 auto 0 0; width: 5px; background: var(--event-colour); }
    .agenda-event.cancelled { opacity: .58; }
    .agenda-event.cancelled .agenda-copy strong { text-decoration: line-through; }
    .agenda-date { display: grid; justify-items: center; padding-right: .75rem; border-right: 1px solid var(--line); }
    .agenda-date strong { font-size: 1.4rem; line-height: 1; }
    .agenda-date small { color: var(--muted); font-size: .65rem; font-weight: 800; text-transform: uppercase; }
    .agenda-copy { display: grid; gap: .22rem; min-width: 0; }
    .agenda-copy strong, .agenda-copy small { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
    .agenda-copy small { color: var(--muted); }
    .agenda-arrow { color: #94a3b8; font-size: 1.6rem; }
    .mobile-empty { display: grid; justify-items: center; gap: .35rem; padding: 1.5rem; text-align: center; }
    .mobile-empty-icon { width: 38px; height: 38px; display: grid; place-items: center; border-radius: 50%; background: #ecfdf5; color: #047857; font-weight: 800; }
    .mobile-empty span { color: var(--muted); font-size: .84rem; }
}

@media (max-width: 520px) {
    .app-main { padding-top: 1.25rem; }
    .app-header .navbar { min-height: 62px; }
    .navbar-brand { font-size: 1rem; }
    .navbar-brand img { width: 32px; height: 32px; }
    .navbar-toggler { display: grid; place-items: center; width: 44px; height: 40px; padding: .35rem; border-color: rgb(255 255 255 / .25); }
    .navbar-collapse { margin-top: .7rem; padding: .65rem 0 .35rem; border-top: 1px solid rgb(255 255 255 / .15); }
    .navbar-collapse .navbar-nav { gap: .15rem; }
    .navbar-collapse .nav-link, .navbar-collapse form .nav-link { padding: .65rem .25rem; }
    .welcome-card { padding: 1.5rem; }
    .welcome-card h1 { font-size: clamp(2.35rem, 12vw, 3.2rem); }
    .welcome-calendar strong { font-size: 6rem; }
    .calendar-actions { display: grid; grid-template-columns: 1fr; }
    .month-nav { display: grid; grid-template-columns: 44px 1fr 44px; }
    .month-nav .btn { min-width: 0; }
    .calendar-actions > .btn-primary { width: 100%; }
    .page-heading > .d-flex { width: 100%; }
    .page-heading > .d-flex .btn { flex: 1; }
    .form-panel { padding: 1.15rem; }
    .form-check-row { align-items: flex-start; flex-direction: column; gap: .9rem; }
    .notification-card .d-flex { align-items: stretch; flex-direction: column; }
    .notification-card .btn { width: 100%; }
    .danger-zone { align-items: stretch; flex-direction: column; }
    .form-actions { align-items: stretch; flex-direction: column; }
}