/* ============================================================================
 * workforce.css — Employee Management module (migration 038)
 * Employees · Roles · Schedule · Calendar · Team Chat · Notifications
 * Uses the shared design tokens (--color-*, --pos-*). BEM-ish wf-* namespace.
 * ========================================================================== */

.wf-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.wf-sub { margin: 2px 0 0; color: var(--color-text-secondary); font-size: 13px; }
.wf-muted { color: var(--color-text-secondary); font-size: 12px; }
.wf-error { background: color-mix(in oklab, var(--color-error) 14%, transparent); color: var(--color-error);
    border: 1px solid color-mix(in oklab, var(--color-error) 40%, transparent); padding: 8px 12px; border-radius: 8px; font-size: 13px; }
.wf-spacer { flex: 1; }

.wf-toolbar { display: flex; gap: 10px; flex-wrap: wrap; margin: 14px 0; }
.wf-search { flex: 1 1 240px; min-width: 200px; }
.wf-select { width: auto; min-width: 150px; }

.wf-card { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: 14px; padding: 16px; }

.wf-empty { text-align: center; color: var(--color-text-secondary); padding: 48px 16px; }
.wf-empty__icon { font-size: 40px; margin-bottom: 8px; }

/* Avatars & chips ---------------------------------------------------------- */
.wf-avatar { width: 42px; height: 42px; border-radius: 50%; display: grid; place-items: center;
    color: #fff; font-weight: 700; font-size: 13px; flex-shrink: 0; font-family: var(--pos-font-mono, monospace); }
.wf-avatar--sm { width: 32px; height: 32px; font-size: 11px; }
.wf-avatar--xs { width: 26px; height: 26px; font-size: 10px; }

.wf-chip { padding: 3px 10px; border-radius: 999px; font-size: 10px; font-weight: 700; letter-spacing: .04em;
    text-transform: uppercase; white-space: nowrap; }
.wf-chip--ok { background: color-mix(in oklab, var(--color-success) 18%, transparent); color: var(--color-success); }
.wf-chip--off { background: color-mix(in oklab, var(--color-text) 12%, transparent); color: var(--color-text-secondary); }
.wf-chip--warn { background: color-mix(in oklab, var(--color-warning) 22%, transparent); color: var(--color-warning); }

/* Buttons ------------------------------------------------------------------ */
.wf-btn-ghost { padding: 7px 12px; border-radius: 8px; border: 1px solid var(--color-border); background: transparent;
    color: var(--color-text); font: inherit; font-size: 12px; font-weight: 600; cursor: pointer; }
.wf-btn-ghost:hover { background: color-mix(in oklab, var(--color-text) 6%, transparent); }
.wf-btn-ghost--xs { padding: 3px 8px; font-size: 11px; }
.wf-btn-ok, .wf-btn-no { padding: 6px 12px; border-radius: 8px; border: 0; font: inherit; font-size: 12px; font-weight: 700; cursor: pointer; }
.wf-btn-ok { background: var(--color-success); color: #fff; }
.wf-btn-no { background: color-mix(in oklab, var(--color-error) 16%, transparent); color: var(--color-error); }

/* Forms -------------------------------------------------------------------- */
.wf-grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.wf-span2 { grid-column: 1 / -1; }
.wf-check { flex-direction: row !important; align-items: center; gap: 8px; }
.wf-section { margin: 18px 0 6px; font-size: 12px; text-transform: uppercase; letter-spacing: .05em;
    color: var(--color-text-secondary); border-bottom: 1px solid var(--color-border); padding-bottom: 4px; }

/* Modal -------------------------------------------------------------------- */
.wf-modal-overlay { position: fixed; inset: 0; background: color-mix(in oklab, black 55%, transparent);
    backdrop-filter: blur(3px); display: grid; place-items: center; z-index: 1200; padding: 20px; }
.wf-modal { background: var(--color-surface); color: var(--color-text); border: 1px solid var(--color-border);
    border-radius: 16px; width: min(560px, 100%); max-height: 90vh; display: flex; flex-direction: column;
    box-shadow: 0 24px 60px rgba(0,0,0,.35); }
.wf-modal--lg { width: min(820px, 100%); }
.wf-modal__head { display: flex; align-items: center; justify-content: space-between; padding: 16px 20px;
    border-bottom: 1px solid var(--color-border); }
.wf-modal__head h3 { margin: 0; font-size: 18px; }
.wf-modal__body { padding: 18px 20px; overflow: auto; }
.wf-modal__foot { display: flex; gap: 10px; justify-content: flex-end; align-items: center;
    padding: 14px 20px; border-top: 1px solid var(--color-border); }
.wf-x { background: none; border: 0; font-size: 26px; line-height: 1; cursor: pointer; color: var(--color-text-secondary); }

/* Tabs & tables ------------------------------------------------------------ */
.wf-tabs { display: flex; gap: 6px; margin: 12px 0 16px; border-bottom: 1px solid var(--color-border); }
.wf-tab { background: none; border: 0; border-bottom: 2px solid transparent; padding: 8px 14px; cursor: pointer;
    color: var(--color-text-secondary); font-weight: 600; font-size: 13px; }
.wf-tab.active { color: var(--color-primary); border-bottom-color: var(--color-primary); }

.wf-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.wf-table th { text-align: left; padding: 10px 12px; font-size: 11px; text-transform: uppercase; letter-spacing: .04em;
    color: var(--color-text-secondary); border-bottom: 1px solid var(--color-border); }
.wf-table td { padding: 9px 12px; border-bottom: 1px solid color-mix(in oklab, var(--color-border) 60%, transparent); }
.wf-table__who { display: flex; align-items: center; gap: 10px; }
.wf-pill-count { background: var(--color-primary); color: #fff; border-radius: 999px; padding: 1px 8px; font-size: 11px; margin-left: 6px; }

/* Employees ---------------------------------------------------------------- */
.wf-emp__grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 14px; }
.wf-emp__card { cursor: pointer; transition: transform .12s, box-shadow .12s; }
.wf-emp__card:hover { transform: translateY(-2px); box-shadow: var(--pos-shadow, 0 6px 18px rgba(0,0,0,.12)); }
.wf-emp__top { display: flex; align-items: center; gap: 12px; }
.wf-emp__id { flex: 1; min-width: 0; }
.wf-emp__name { font-weight: 700; font-size: 15px; }
.wf-emp__role { color: var(--color-text-secondary); font-size: 12px; }
.wf-emp__meta { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 12px; font-size: 12px; color: var(--color-text-secondary); }
.wf-emp__actions { display: flex; gap: 8px; margin-top: 12px; }

.wf-avail { display: flex; flex-direction: column; gap: 6px; }
.wf-avail__row { display: flex; align-items: center; gap: 10px; }
.wf-avail__day { display: flex; align-items: center; gap: 6px; width: 80px; font-size: 13px; font-weight: 600; }
.wf-avail__to { color: var(--color-text-secondary); font-size: 12px; }
.wf-avail__off { color: var(--color-text-secondary); font-size: 12px; font-style: italic; }
.wf-time { width: 120px; }

/* Roles -------------------------------------------------------------------- */
.wf-roles__grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 14px; }
.wf-role__top { display: flex; justify-content: space-between; gap: 10px; }
.wf-role__name { font-weight: 700; font-size: 16px; }
.wf-role__desc { color: var(--color-text-secondary); font-size: 12px; margin-top: 2px; }
.wf-role__stats { display: flex; gap: 14px; margin: 12px 0; font-size: 12px; color: var(--color-text-secondary); }
.wf-permgroup { border: 1px solid var(--color-border); border-radius: 10px; margin-top: 12px; overflow: hidden; }
.wf-permgroup__head { display: flex; justify-content: space-between; align-items: center; padding: 8px 12px;
    background: color-mix(in oklab, var(--color-text) 4%, var(--color-surface)); font-weight: 700; font-size: 13px; }
.wf-permgroup__bulk { display: flex; gap: 6px; }
.wf-permgroup__items { display: grid; grid-template-columns: 1fr 1fr; gap: 6px 14px; padding: 12px; }
.wf-perm { display: flex; align-items: center; gap: 8px; font-size: 13px; }

/* Schedule grid ------------------------------------------------------------ */
.wf-sched__tools { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.wf-weeknav { display: inline-flex; gap: 4px; }
.wf-labor { display: flex; gap: 10px; flex-wrap: wrap; margin: 10px 0 16px; }
.wf-labor__pill { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: 999px;
    padding: 6px 14px; font-size: 13px; font-weight: 600; }
.wf-grid-wrap { overflow-x: auto; border: 1px solid var(--color-border); border-radius: 12px; }
.wf-schedtable { width: 100%; border-collapse: collapse; min-width: 860px; }
.wf-schedtable th, .wf-schedtable td { border: 1px solid color-mix(in oklab, var(--color-border) 70%, transparent); }
.wf-schedtable__corner, .wf-schedtable__dayhead { background: color-mix(in oklab, var(--color-text) 4%, var(--color-surface));
    padding: 8px; font-size: 12px; text-align: center; }
.wf-schedtable__dayhead.is-today { background: color-mix(in oklab, var(--color-primary) 16%, var(--color-surface)); color: var(--color-primary); }
.wf-schedtable__dnum { font-weight: 700; }
.wf-schedtable__staff { width: 180px; padding: 8px 10px; background: var(--color-surface); text-align: left; vertical-align: top; }
.wf-schedtable__sname { font-weight: 700; font-size: 13px; }
.wf-schedtable__shrs { font-size: 11px; color: var(--color-text-secondary); }
.wf-schedtable__cell { vertical-align: top; padding: 4px; min-width: 96px; height: 64px; cursor: pointer; }
.wf-schedtable__cell:hover { background: color-mix(in oklab, var(--color-primary) 7%, transparent); }
.wf-schedtable__openrow .wf-schedtable__staff { background: color-mix(in oklab, #8b5cf6 10%, var(--color-surface)); }
.wf-shift { border-left: 3px solid var(--color-primary); background: color-mix(in oklab, var(--color-text) 5%, var(--color-surface));
    border-radius: 6px; padding: 4px 6px; margin-bottom: 4px; font-size: 11px; cursor: pointer; display: flex; flex-direction: column; gap: 1px; }
.wf-shift:hover { background: color-mix(in oklab, var(--color-text) 10%, var(--color-surface)); }
.wf-shift--open { border-left-color: #8b5cf6; border-style: dashed; }
.wf-shift__time { font-weight: 700; }
.wf-shift__pos { color: var(--color-text-secondary); }
.wf-shift__status { font-size: 9px; text-transform: uppercase; letter-spacing: .04em; align-self: flex-start;
    padding: 0 4px; border-radius: 4px; }
.wf-shift__status.is-draft { background: color-mix(in oklab, var(--color-warning) 22%, transparent); color: var(--color-warning); }
.wf-shift__status.is-published { background: color-mix(in oklab, var(--color-success) 18%, transparent); color: var(--color-success); }
.wf-shift__status.is-completed { background: color-mix(in oklab, var(--color-text) 12%, transparent); color: var(--color-text-secondary); }
.wf-shift__status.is-cancelled { background: color-mix(in oklab, var(--color-error) 16%, transparent); color: var(--color-error); text-decoration: line-through; }

.wf-approvals { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 14px; margin-top: 18px; }
.wf-approve h3 { margin: 0 0 10px; font-size: 15px; }
.wf-approve__row { display: flex; justify-content: space-between; align-items: center; gap: 12px;
    padding: 10px 0; border-top: 1px solid color-mix(in oklab, var(--color-border) 60%, transparent); }
.wf-approve__btns { display: flex; gap: 6px; flex-shrink: 0; }

/* Calendar ----------------------------------------------------------------- */
.wf-cal__tools { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.wf-clock { padding: 8px 16px; border-radius: 999px; border: 0; cursor: pointer; font-weight: 700; font-size: 13px;
    background: var(--color-primary); color: #fff; }
.wf-clock.is-on { background: var(--color-error); }
.wf-cal__month { margin-top: 14px; border: 1px solid var(--color-border); border-radius: 12px; overflow: hidden; }
.wf-cal__dow { display: grid; grid-template-columns: repeat(7, 1fr); background: color-mix(in oklab, var(--color-text) 4%, var(--color-surface)); }
.wf-cal__dow span { padding: 8px; text-align: center; font-size: 11px; font-weight: 700; text-transform: uppercase;
    color: var(--color-text-secondary); }
.wf-cal__week { display: grid; grid-template-columns: repeat(7, 1fr); }
.wf-cal__day { min-height: 96px; border-top: 1px solid var(--color-border); border-left: 1px solid var(--color-border);
    padding: 4px 6px; cursor: pointer; background: var(--color-surface); }
.wf-cal__day:nth-child(7n+1) { border-left: 0; }
.wf-cal__day.is-out { background: color-mix(in oklab, var(--color-text) 3%, var(--color-surface)); color: var(--color-text-secondary); }
.wf-cal__day.is-today { background: color-mix(in oklab, var(--color-primary) 8%, var(--color-surface)); }
.wf-cal__day:hover { background: color-mix(in oklab, var(--color-primary) 12%, var(--color-surface)); }
.wf-cal__dnum { font-size: 12px; font-weight: 700; margin-bottom: 3px; }
.wf-cal__chip { color: #fff; border-radius: 5px; padding: 1px 6px; font-size: 10px; font-weight: 600; margin-bottom: 2px;
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.wf-cal__chip--open { background: repeating-linear-gradient(45deg, #8b5cf6, #8b5cf6 6px, #7c4ddb 6px, #7c4ddb 12px); }
.wf-cal__draft { opacity: .8; font-style: italic; }
.wf-cal__off { font-size: 10px; border-radius: 5px; padding: 1px 6px; margin-bottom: 2px; text-transform: capitalize;
    background: color-mix(in oklab, var(--color-warning) 22%, transparent); color: var(--color-warning); }
.wf-cal__off.is-approved { background: color-mix(in oklab, var(--color-success) 18%, transparent); color: var(--color-success); }

.wf-swaps { margin-top: 16px; }
.wf-swaps h3 { margin: 0 0 6px; font-size: 15px; }
.wf-daycard { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 10px;
    border: 1px solid var(--color-border); border-radius: 10px; margin-top: 8px; }

/* Team chat ---------------------------------------------------------------- */
.wf-chat__layout { display: grid; grid-template-columns: 300px 1fr; gap: 14px; margin-top: 14px;
    height: calc(100vh - 230px); min-height: 420px; }
.wf-chat__list { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: 12px;
    overflow-y: auto; }
.wf-conv { display: flex; align-items: center; gap: 10px; width: 100%; text-align: left; background: none; border: 0;
    border-bottom: 1px solid color-mix(in oklab, var(--color-border) 60%, transparent); padding: 10px 12px; cursor: pointer; }
.wf-conv:hover { background: color-mix(in oklab, var(--color-text) 5%, transparent); }
.wf-conv.active { background: color-mix(in oklab, var(--color-primary) 12%, transparent); }
.wf-conv__body { flex: 1; min-width: 0; }
.wf-conv__top { display: flex; justify-content: space-between; gap: 8px; }
.wf-conv__title { font-weight: 700; font-size: 13px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.wf-conv__time { font-size: 11px; color: var(--color-text-secondary); flex-shrink: 0; }
.wf-conv__last { font-size: 12px; color: var(--color-text-secondary); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.wf-conv__badge { background: var(--color-primary); color: #fff; border-radius: 999px; min-width: 20px; height: 20px;
    display: grid; place-items: center; font-size: 11px; font-weight: 700; padding: 0 6px; }
.wf-chat__thread { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: 12px;
    display: flex; flex-direction: column; overflow: hidden; }
.wf-chat__thread-head { padding: 12px 16px; border-bottom: 1px solid var(--color-border); display: flex;
    flex-direction: column; gap: 2px; }
.wf-chat__thread-head .wf-muted { font-size: 11px; }
.wf-chat__messages { flex: 1; overflow-y: auto; padding: 16px; display: flex; flex-direction: column; gap: 10px; }
.wf-msg { display: flex; gap: 8px; align-items: flex-end; max-width: 78%; }
.wf-msg.is-mine { align-self: flex-end; flex-direction: row-reverse; }
.wf-msg.is-system { align-self: center; max-width: 90%; }
.wf-msg__bubble { background: color-mix(in oklab, var(--color-text) 7%, var(--color-surface)); padding: 8px 12px;
    border-radius: 14px; }
.wf-msg.is-mine .wf-msg__bubble { background: var(--color-primary); color: #fff; }
.wf-msg.is-system .wf-msg__bubble { background: transparent; color: var(--color-text-secondary); font-size: 12px; font-style: italic; }
.wf-msg__who { font-size: 11px; font-weight: 700; color: var(--color-text-secondary); margin-bottom: 2px; }
.wf-msg__text { font-size: 14px; white-space: pre-wrap; word-break: break-word; }
.wf-msg__time { font-size: 10px; opacity: .7; margin-top: 3px; text-align: right; }
.wf-chat__compose { display: flex; gap: 10px; padding: 12px; border-top: 1px solid var(--color-border); }
.wf-chat__compose .pos-input { flex: 1; }
.wf-chat__empty { flex: 1; display: grid; place-items: center; color: var(--color-text-secondary); text-align: center; }
.wf-people { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; max-height: 240px; overflow-y: auto; }
.wf-person { display: flex; align-items: center; gap: 8px; font-size: 13px; padding: 6px; border: 1px solid var(--color-border);
    border-radius: 8px; cursor: pointer; }

/* Notification bell -------------------------------------------------------- */
.wf-bell { position: relative; }
.wf-bell__btn { position: relative; background: none; border: 0; cursor: pointer; font-size: 20px; line-height: 1;
    padding: 6px; border-radius: 8px; }
.wf-bell__btn:hover { background: color-mix(in oklab, var(--color-text) 8%, transparent); }
.wf-bell__badge { position: absolute; top: -2px; right: -2px; background: var(--color-error); color: #fff;
    border-radius: 999px; font-size: 10px; font-weight: 700; min-width: 16px; height: 16px; display: grid;
    place-items: center; padding: 0 4px; }
.wf-bell__panel { position: absolute; right: 0; bottom: calc(100% + 8px); width: 340px; max-height: 60vh;
    background: var(--color-surface); border: 1px solid var(--color-border); border-radius: 12px; overflow: hidden;
    box-shadow: 0 18px 50px rgba(0,0,0,.35); z-index: 1300; display: flex; flex-direction: column; }
.wf-bell__head { display: flex; justify-content: space-between; align-items: center; padding: 12px 14px;
    border-bottom: 1px solid var(--color-border); }
.wf-bell__link { background: none; border: 0; color: var(--color-primary); cursor: pointer; font-size: 12px; font-weight: 600; }
.wf-bell__list { overflow-y: auto; }
.wf-bell__empty { padding: 28px 14px; text-align: center; color: var(--color-text-secondary); font-size: 13px; }
.wf-bell__item { display: flex; gap: 10px; width: 100%; text-align: left; background: none; border: 0; cursor: pointer;
    padding: 11px 14px; border-bottom: 1px solid color-mix(in oklab, var(--color-border) 55%, transparent); }
.wf-bell__item:hover { background: color-mix(in oklab, var(--color-text) 5%, transparent); }
.wf-bell__item.is-unread { background: color-mix(in oklab, var(--color-primary) 8%, transparent); }
.wf-bell__item-icon { font-size: 18px; }
.wf-bell__item-body { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.wf-bell__item-title { font-weight: 700; font-size: 13px; }
.wf-bell__item-text { font-size: 12px; color: var(--color-text-secondary); }
.wf-bell__item-time { font-size: 10px; color: var(--color-text-secondary); }

@media (max-width: 720px) {
    .wf-grid2, .wf-permgroup__items, .wf-people { grid-template-columns: 1fr; }
    .wf-chat__layout { grid-template-columns: 1fr; height: auto; }
    .wf-chat__messages { min-height: 320px; }
}