:root {
    --bg: #f4f2ee;
    --surface: #ffffff;
    --surface-muted: #f8f7f4;
    --text: #22252a;
    --text-muted: #6b6f76;
    --border: #e1ded7;
    --accent: #2f5d8a;
    --danger: #c0392b;
    --danger-bg: #fdf0ee;
    --off: #b9b6af;
    --radius: 12px;
    --shadow: 0 1px 2px rgba(0, 0, 0, .05), 0 2px 8px rgba(0, 0, 0, .04);
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    color: var(--text);
}

* { box-sizing: border-box; }

body {
    margin: 0;
    background: var(--bg);
    font-size: 15px;
    line-height: 1.4;
}

button, input { font: inherit; color: inherit; }

.app {
    max-width: 1280px;
    margin: 0 auto;
    padding: 24px 16px 48px;
}

/* Nagłówek i nawigacja tygodni */

.topbar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 12px 24px;
    margin-bottom: 20px;
}

h1 { margin: 0; font-size: 1.6rem; }
h2 { margin: 0 0 12px; font-size: 1.2rem; }

.week-nav { display: flex; align-items: center; gap: 8px; }

.week-label {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 190px;
}
.week-label span { color: var(--text-muted); font-size: .9rem; white-space: nowrap; }

.btn {
    border: 1px solid var(--border);
    background: var(--surface);
    border-radius: 8px;
    padding: 7px 12px;
    cursor: pointer;
    white-space: nowrap;
}
.btn:hover { border-color: var(--accent); }
.btn.icon { width: 38px; height: 38px; padding: 0; font-size: 1.4rem; line-height: 1; }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* Ustawienia */

.settings {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    gap: 16px 32px;
    background: var(--surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 16px 20px;
    margin-bottom: 20px;
}

.field { display: flex; flex-direction: column; gap: 6px; }
.field-label { font-size: .85rem; color: var(--text-muted); font-weight: 600; }

.input-suffix {
    display: inline-flex;
    align-items: center;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--surface);
    overflow: hidden;
}
.input-suffix:focus-within { border-color: var(--accent); }
.input-suffix input {
    border: 0;
    outline: 0;
    padding: 8px 10px;
    width: 110px;
    text-align: right;
    font-size: 1.05rem;
    font-weight: 600;
}
.input-suffix input.invalid { color: var(--danger); }
.input-suffix span { padding: 0 10px; color: var(--text-muted); }

.segmented {
    display: inline-flex;
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
}
.segmented button {
    border: 0;
    background: var(--surface);
    padding: 8px 16px;
    cursor: pointer;
    font-weight: 600;
}
.segmented button + button { border-left: 1px solid var(--border); }
.segmented button[aria-checked="true"] { background: var(--accent); color: #fff; }

.save-status {
    margin: 0 0 0 auto;
    align-self: center;
    font-size: .85rem;
    color: var(--text-muted);
}
.save-status.error { color: var(--danger); font-weight: 600; }

/* Kalendarz */

.calendar {
    display: grid;
    grid-template-columns: repeat(7, minmax(0, 1fr));
    gap: 10px;
    margin-bottom: 24px;
}

.day {
    background: var(--surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 2px solid transparent;
    overflow: hidden;
}
.day.today { border-color: var(--accent); }

.day-head {
    padding: 10px 12px;
    background: var(--surface-muted);
    border-bottom: 1px solid var(--border);
}
.day-name { font-weight: 700; display: block; }
.day-date { color: var(--text-muted); font-size: .85rem; }

.slot {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    padding: 12px;
    border: 0;
    border-bottom: 1px solid var(--border);
    background: none;
    text-align: left;
    cursor: pointer;
}
.slot:last-child { border-bottom: 0; }
.slot:hover { background: var(--surface-muted); }

.slot-text { display: flex; flex-direction: column; min-width: 0; }
.slot-part { font-size: .8rem; color: var(--text-muted); font-weight: 600; text-transform: uppercase; letter-spacing: .03em; }
.slot-who { font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.dot {
    flex: none;
    display: grid;
    place-items: center;
    width: 34px;
    height: 34px;
    border-radius: 50%;
    color: #fff;
    font-weight: 700;
    background: var(--c, transparent);
}
.slot.empty .dot { border: 2px dashed var(--text-muted); }
.slot.empty .slot-who { color: var(--text-muted); font-weight: 400; }
.slot.missing { background: var(--danger-bg); }
.slot.missing .dot { border-color: var(--danger); }
.slot.missing .slot-who { color: var(--danger); font-weight: 600; }
.slot.off .dot {
    border: 2px solid var(--off);
    background: linear-gradient(135deg, transparent 45%, var(--off) 45%, var(--off) 55%, transparent 55%);
}
.slot.off .slot-who { color: var(--off); font-weight: 400; text-decoration: line-through; }

/* Menu wyboru opiekunki */

.picker {
    position: absolute;
    z-index: 10;
    min-width: 200px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 10px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, .15);
    padding: 6px;
}
.picker button {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    padding: 8px 10px;
    border: 0;
    border-radius: 6px;
    background: none;
    text-align: left;
    cursor: pointer;
}
.picker button:hover, .picker button:focus-visible { background: var(--surface-muted); outline: 0; }
.picker button[aria-checked="true"] { font-weight: 700; }
.picker .swatch { width: 14px; height: 14px; border-radius: 50%; background: var(--c); }
.picker .swatch.empty { border: 2px dashed var(--text-muted); background: none; }
.picker .swatch.off { border: 2px solid var(--off); background: none; }
.picker hr { border: 0; border-top: 1px solid var(--border); margin: 6px 0; }

/* Podsumowanie */

.summary {
    background: var(--surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 20px;
}

.warning {
    background: var(--danger-bg);
    color: var(--danger);
    border-radius: 8px;
    padding: 10px 14px;
    margin-bottom: 14px;
}
.warning ul { margin: 6px 0 0; padding-left: 20px; }

.summary-table { width: 100%; border-collapse: collapse; }
.summary-table th, .summary-table td { padding: 10px 8px; border-bottom: 1px solid var(--border); text-align: left; }
.summary-table th { font-size: .85rem; color: var(--text-muted); }
.summary-table .num { text-align: right; font-variant-numeric: tabular-nums; }
.summary-table .calc { color: var(--text-muted); font-size: .9rem; }
.summary-table .who { display: inline-flex; align-items: center; gap: 8px; font-weight: 600; }
.summary-table .who::before { content: ""; width: 12px; height: 12px; border-radius: 50%; background: var(--c); }
.summary-table tfoot td { font-weight: 700; font-size: 1.1rem; border-bottom: 0; }
.summary-table .amount { font-weight: 700; }

@media (max-width: 1180px) {
    .calendar { grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); }
}

@media (max-width: 600px) {
    .week-nav { width: 100%; justify-content: space-between; }
    .week-label { min-width: 0; }
    .save-status { margin-left: 0; }
    .summary { padding: 14px; }
    .summary-table .calc { display: none; }
}

.summary-table tr.unpaid td { color: var(--text-muted); }
.summary-table tr.unpaid .who { color: var(--text); }

.loading .calendar, .loading .segmented { opacity: .6; pointer-events: none; }

.rates { display: flex; flex-wrap: wrap; gap: 16px 24px; }
.field-label.who { display: inline-flex; align-items: center; gap: 6px; }
.field-label.who::before { content: ""; width: 10px; height: 10px; border-radius: 50%; background: var(--c); }
.loading .rates input { opacity: .6; }

.field select {
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--surface);
    padding: 8px 10px;
    min-width: 150px;
    font-weight: 600;
}
.field select:focus { border-color: var(--accent); outline: 0; }

/* Logowanie */

.login {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 16px;
}
.login-box {
    width: 100%;
    max-width: 360px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    background: var(--surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 24px;
}
.login-box h1 { font-size: 1.4rem; }
.login-box p { margin: 0; }
.login-box input[type="password"] {
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 10px 12px;
    font-size: 1.05rem;
}
.login-box input[type="password"]:focus { border-color: var(--accent); outline: 0; }
.check { display: flex; align-items: center; gap: 8px; cursor: pointer; }
.check input { width: 18px; height: 18px; margin: 0; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; padding: 10px 16px; font-weight: 600; }

.topbar form { margin: 0; }

/* Podgląd opiekunki (tylko odczyt) */

.mode-caregiver .slot { cursor: default; }
.mode-caregiver .slot:hover { background: none; }
.slot.mine { box-shadow: inset 4px 0 0 var(--accent); }
.slot.mine .slot-who { font-weight: 700; }
.slot.other { opacity: .55; }
.mode-caregiver .settings strong { font-size: 1.05rem; }

.calendar-empty {
    grid-column: 1 / -1;
    margin: 0;
    padding: 32px 16px;
    text-align: center;
    color: var(--text-muted);
    background: var(--surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

/* Dostęp: linki dla opiekunek */

.access { margin-top: 20px; }
.hint { color: var(--text-muted); font-size: .9rem; margin: 0 0 14px; }
.access-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px 10px;
    padding: 10px 0;
    border-bottom: 1px solid var(--border);
}
.access-row .who { display: inline-flex; align-items: center; gap: 8px; font-weight: 600; min-width: 80px; }
.access-row .who::before { content: ""; width: 12px; height: 12px; border-radius: 50%; background: var(--c); }
.access-row input {
    flex: 1 1 260px;
    min-width: 0;
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 7px 10px;
    font-family: ui-monospace, Consolas, monospace;
    font-size: .85rem;
    background: var(--surface-muted);
}
.access-logout { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 12px; margin-top: 18px; }
.access-logout .hint { margin: 0; }

/* Autorstwo: stopka strony i podpis pod logowaniem */
.credit { color: var(--text-muted); font-size: .8rem; text-align: center; }
footer.credit { margin: 24px 0 8px; }
.login-box p.credit { margin-top: 4px; }
.credit a { color: inherit; }