:root {
    --bg: #f1f5f9;
    --card: #ffffff;
    --ink: #0f172a;
    --muted: #64748b;
    --line: #e2e8f0;
    --brand: #4f46e5;
    --dirty: #ef4444;
    --dirty-bg: #fef2f2;
    --cleaning: #f59e0b;
    --cleaning-bg: #fffbeb;
    --clean: #22c55e;
    --clean-bg: #f0fdf4;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    background: var(--bg);
    color: var(--ink);
    -webkit-text-size-adjust: 100%;
}

/* ---------- login ---------- */
.login-wrap {
    min-height: 100dvh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}
.login-card {
    background: var(--card);
    width: 100%;
    max-width: 360px;
    padding: 32px 24px;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(15, 23, 42, .08);
    display: flex;
    flex-direction: column;
    gap: 14px;
}
.brand {
    font-size: 30px;
    font-weight: 800;
    letter-spacing: 3px;
    color: var(--brand);
    text-align: center;
}
.brand-sub { text-align: center; color: var(--muted); margin-top: -8px; }
.login-card label { display: flex; flex-direction: column; gap: 6px; font-size: 14px; color: var(--muted); }
.login-card input {
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: 10px;
    font-size: 16px;
}
.login-card button {
    margin-top: 6px;
    padding: 13px;
    border: 0;
    border-radius: 10px;
    background: var(--brand);
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
}
.error {
    background: var(--dirty-bg);
    color: var(--dirty);
    padding: 10px;
    border-radius: 8px;
    font-size: 14px;
    text-align: center;
}

/* ---------- topbar ---------- */
.topbar {
    position: sticky;
    top: 0;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    background: var(--ink);
    color: #fff;
}
.topbar-brand { font-weight: 800; letter-spacing: 2px; }
.topbar-right { display: flex; align-items: center; gap: 14px; }
.who { color: #cbd5e1; font-size: 14px; }
.logout { color: #fff; text-decoration: none; font-size: 14px; opacity: .85; }

/* ---------- board ---------- */
.board { padding: 16px; max-width: 1100px; margin: 0 auto; }
.counts { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 18px; }
.count { padding: 6px 12px; border-radius: 999px; font-size: 14px; font-weight: 600; }
.count-dirty { background: var(--dirty-bg); color: var(--dirty); }
.count-cleaning { background: var(--cleaning-bg); color: #b45309; }
.count-clean { background: var(--clean-bg); color: #15803d; }

.floor-title { font-size: 15px; color: var(--muted); margin: 18px 0 8px; font-weight: 600; }
.rooms { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 10px; }

.room-card {
    background: var(--card);
    border: 1px solid var(--line);
    border-left: 5px solid var(--line);
    border-radius: 12px;
    padding: 12px;
}
.room-card.status-dirty { border-left-color: var(--dirty); }
.room-card.status-cleaning { border-left-color: var(--cleaning); }
.room-card.status-clean { border-left-color: var(--clean); }
.room-number { font-size: 22px; font-weight: 700; }
.room-status { font-size: 13px; color: var(--muted); margin-bottom: 8px; }
.room-actions { display: flex; gap: 4px; }
.chip {
    flex: 1;
    padding: 7px 2px;
    border: 1px solid var(--line);
    background: #fff;
    border-radius: 8px;
    font-size: 12px;
    cursor: pointer;
    color: var(--muted);
}
.chip-active.chip-dirty { background: var(--dirty); color: #fff; border-color: var(--dirty); }
.chip-active.chip-cleaning { background: var(--cleaning); color: #fff; border-color: var(--cleaning); }
.chip-active.chip-clean { background: var(--clean); color: #fff; border-color: var(--clean); }
.chip:disabled { cursor: default; opacity: 1; }

/* ---------- housekeeper (mobile) ---------- */
.hk { padding: 16px; max-width: 560px; margin: 0 auto; }
.hk-section { margin-bottom: 22px; }
.hk-title { font-size: 15px; color: var(--muted); margin: 8px 0; font-weight: 600; }
.hk-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    background: var(--card);
    border: 1px solid var(--line);
    border-left: 6px solid var(--line);
    border-radius: 14px;
    padding: 14px 16px;
    margin-bottom: 10px;
}
.hk-row.status-dirty { border-left-color: var(--dirty); }
.hk-row.status-cleaning { border-left-color: var(--cleaning); }
.hk-room { font-size: 26px; font-weight: 800; }
.big-btn {
    border: 0;
    border-radius: 12px;
    padding: 16px 22px;
    font-size: 17px;
    font-weight: 700;
    color: #fff;
    cursor: pointer;
    min-width: 130px;
}
.btn-start { background: var(--cleaning); }
.btn-finish { background: var(--clean); }

.empty { color: var(--muted); text-align: center; padding: 16px; }
code { background: var(--line); padding: 2px 6px; border-radius: 6px; }

/* ---------- users (admin) ---------- */
.users { padding: 16px; max-width: 760px; margin: 0 auto; }
.page-title { font-size: 22px; margin: 8px 0 16px; }
.flash { padding: 10px 14px; border-radius: 10px; margin-bottom: 14px; font-size: 14px; }
.flash-ok { background: var(--clean-bg); color: #15803d; }
.flash-err { background: var(--dirty-bg); color: var(--dirty); }
.user-form {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 16px;
    margin-bottom: 22px;
}
.uf-row { display: flex; gap: 12px; margin-bottom: 12px; flex-wrap: wrap; }
.uf-row label { flex: 1; min-width: 160px; display: flex; flex-direction: column; gap: 6px; font-size: 13px; color: var(--muted); }
.user-form input, .user-form select {
    padding: 10px; border: 1px solid var(--line); border-radius: 9px; font-size: 15px;
}
.user-form button {
    padding: 11px 18px; border: 0; border-radius: 10px;
    background: var(--brand); color: #fff; font-weight: 600; font-size: 15px; cursor: pointer;
}
.hint { color: var(--muted); font-size: 12px; margin: 8px 0 0; }
.user-table { width: 100%; border-collapse: collapse; background: var(--card); border-radius: 12px; overflow: hidden; }
.user-table th, .user-table td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); font-size: 14px; }
.user-table th { color: var(--muted); font-weight: 600; font-size: 12px; }
.user-table tr.inactive { opacity: .5; }
.badge-on { color: #15803d; font-size: 13px; }
.badge-off { color: var(--muted); font-size: 13px; }
.btn-small { padding: 6px 12px; border: 1px solid var(--line); background: #fff; border-radius: 8px; font-size: 13px; cursor: pointer; color: var(--dirty); }