/* ระบบบริหาร — responsive ตั้งแต่แท็บเล็ตถึงคอมพิวเตอร์ (§13.0)
   สีและระยะทั้งหมดมาจาก /shared/tokens.css ห้ามใส่ค่าสีตรง ๆ ในไฟล์นี้ */

/* ================= ตัวหมุน ================= */
.boot {
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    min-height: 60vh; gap: var(--sp-4); color: var(--c-text-muted);
}
.spinner {
    width: 30px; height: 30px;
    border: 2.5px solid var(--c-border); border-top-color: var(--c-brand);
    border-radius: 50%; animation: spin .8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ================= โครงหลัก ================= */
.shell { display: flex; min-height: 100vh; }

.side-nav {
    width: 244px; flex: 0 0 244px;
    background: var(--c-surface); border-right: 1px solid var(--c-border);
    display: flex; flex-direction: column;
    padding: var(--sp-5) var(--sp-3) var(--sp-4); gap: 6px;
}
.side-nav__brand {
    display: flex; align-items: center; gap: var(--sp-3);
    padding: var(--sp-1) var(--sp-2) var(--sp-5);
}
.side-nav__brand-mark {
    display: grid; place-items: center; width: 40px; height: 40px;
    border-radius: var(--radius-pill); background: var(--c-brand-tint); color: var(--c-brand-deep);
}
.side-nav__brand-text { font-size: 15px; font-weight: 700; line-height: 1.25; }
.side-nav__brand-sub  { font-size: var(--fs-xs); color: var(--c-text-muted); font-weight: 400; }

.side-nav__link {
    display: flex; align-items: center; gap: var(--sp-3);
    height: 46px; padding: 0 var(--sp-4);
    border-radius: var(--radius); color: var(--c-text); text-decoration: none; font-size: 15px;
}
.side-nav__link:hover { background: var(--c-surface-sunk); }
.side-nav__link > span { flex: 1; min-width: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.side-nav__link.is-active { background: var(--c-brand-tint); color: var(--c-brand-deep); font-weight: 700; }
.side-nav__link--soon { color: var(--c-text-muted); cursor: default; }
.side-nav__link--soon:hover { background: transparent; }
.side-nav__soon { flex: none !important; display: grid; place-items: center; color: var(--c-border-strong); }
.side-nav__spacer { flex: 1; }
.side-nav__user {
    display: flex; align-items: center; gap: var(--sp-3);
    padding: var(--sp-3) var(--sp-2) 0; border-top: 1px solid var(--c-border);
}
.side-nav__avatar {
    display: grid; place-items: center; width: 36px; height: 36px; flex: none;
    border-radius: var(--radius-pill); background: var(--c-surface-sunk); color: var(--c-text-muted);
}
.side-nav__user-name { font-size: var(--fs-sm); font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.side-nav__user-role { font-size: var(--fs-xs); color: var(--c-text-muted); }

@media (max-width: 900px) {
    .shell { flex-direction: column; }
    .side-nav {
        width: auto; flex: none; flex-direction: row; overflow-x: auto;
        border-right: none; border-bottom: 1px solid var(--c-border);
        padding: var(--sp-2); gap: var(--sp-1);
    }
    .side-nav__brand, .side-nav__user, .side-nav__spacer { display: none; }
    .side-nav__link { white-space: nowrap; padding: 0 var(--sp-4); }
}

.content { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.top-bar {
    display: flex; align-items: center; gap: var(--sp-4);
    height: 64px; padding: 0 var(--sp-6);
    background: var(--c-surface); border-bottom: 1px solid var(--c-border);
}
.top-bar__title { font-size: var(--fs-lg); font-weight: 700; margin: 0; }
.top-bar__spacer { flex: 1; }
.top-bar__branch {
    display: flex; align-items: center; gap: var(--sp-2);
    height: 38px; padding: 0 var(--sp-3);
    border: 1px solid var(--c-border-strong); border-radius: var(--radius);
    background: var(--c-surface); font-weight: 600; font-size: 15px;
}
.top-bar__branch select { border: 0; background: transparent; font-weight: 600; padding: 0; }
@media (max-width: 900px) { .top-bar { padding: 0 var(--sp-4); } }

.page { padding: var(--sp-5) var(--sp-6); display: flex; flex-direction: column; gap: var(--sp-5); }
.page__title { font-size: var(--fs-xl); margin: 0 0 var(--sp-2); }
.page__subtitle { color: var(--c-text-muted); margin: 0; font-size: var(--fs-sm); }
@media (max-width: 900px) { .page { padding: var(--sp-4); } }

/* ================= การ์ดและตาราง ================= */
.card { background: var(--c-surface); border: 1px solid var(--c-border); border-radius: var(--radius); padding: var(--sp-5); }
.card--flush { padding: 0; overflow: hidden; }
.card__head { display: flex; align-items: center; gap: var(--sp-3); padding: var(--sp-4) var(--sp-5); border-bottom: 1px solid var(--c-border); }
.section-head { display: flex; align-items: center; gap: var(--sp-2); font-size: 17px; margin: 0; }

.table-wrap { overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; font-size: var(--fs-sm); }
.table th { text-align: left; font-weight: 600; color: var(--c-text-muted); padding: 10px 14px; border-bottom: 1px solid var(--c-border); background: var(--c-surface-sunk); white-space: nowrap; }
.table td { padding: 12px 14px; border-bottom: 1px solid var(--c-border); vertical-align: middle; }
.table td.is-number, .table th.is-number { text-align: right; font-variant-numeric: tabular-nums; }
.table tr.is-clickable { cursor: pointer; }
.table tr.is-clickable:hover td { background: var(--c-brand-tint); }

/* ================= ปุ่มและฟอร์ม ================= */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: var(--sp-2);
    height: 42px; padding: 0 18px; border-radius: var(--radius);
    font-weight: 600; font-size: 15px; cursor: pointer;
    border: 1px solid var(--c-border-strong); background: var(--c-surface); color: var(--c-text);
    white-space: nowrap;
}
.btn:hover { background: var(--c-surface-sunk); }
.btn:disabled { opacity: .55; cursor: default; }
.btn--primary { background: var(--c-brand-deep); border-color: var(--c-brand-deep); color: #fff; }
.btn--primary:hover { background: var(--c-brand); border-color: var(--c-brand); }
.btn--danger { border-color: var(--c-danger); color: var(--c-danger-deep); }
.btn--danger:hover { background: var(--c-danger-tint); }
.btn--ghost { border-color: transparent; background: transparent; }
.btn--sm { height: 34px; padding: 0 12px; font-size: var(--fs-sm); border-radius: 10px; }
.btn--block { width: 100%; }

.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: var(--sp-4); }
.field__label { font-size: 13px; font-weight: 600; color: var(--c-text-muted); }
.field__input, .field__select, .field__textarea {
    width: 100%; min-height: 42px; padding: 0 12px;
    border: 1px solid var(--c-border-strong); border-radius: var(--radius);
    background: var(--c-surface); font-size: 15px;
}
.field__textarea { padding: 10px 12px; min-height: 90px; resize: vertical; }
.field__input--error { border-color: var(--c-danger); }
.field__error { display: flex; align-items: center; gap: 6px; color: var(--c-danger-deep); font-size: 13px; }
.field__hint  { display: flex; align-items: center; gap: 6px; color: var(--c-text-muted); font-size: 13px; }

.alert { display: flex; align-items: flex-start; gap: var(--sp-2); padding: 12px 14px; border-radius: var(--radius); margin: 0 0 var(--sp-4); font-size: 15px; }
.alert--error   { background: var(--c-danger-tint);  color: var(--c-danger-deep); }
.alert--warning { background: var(--c-warning-tint); color: var(--c-warning-deep); }
.alert--info    { background: var(--c-brand-tint);   color: var(--c-brand-deep); }
.alert--success { background: var(--c-ok-tint);      color: var(--c-ok-deep); }

.empty { display: flex; flex-direction: column; align-items: center; text-align: center; padding: var(--sp-7) var(--sp-4); color: var(--c-text-muted); gap: var(--sp-2); }
.empty__icon { color: var(--c-border-strong); }
.empty__title { margin: 0; font-weight: 600; color: var(--c-text); }

/* ================= KPI ================= */
.kpi-row { display: flex; gap: var(--sp-5); }
.kpi { flex: 1; display: flex; flex-direction: column; gap: 14px; }
.kpi__title { display: flex; align-items: center; gap: 10px; color: var(--c-text-muted); font-size: var(--fs-sm); font-weight: 600; }
.kpi__value { display: flex; align-items: baseline; gap: var(--sp-2); }
.kpi__number { font-size: 38px; font-weight: 700; line-height: 1; font-variant-numeric: tabular-nums; }
.kpi__unit { color: var(--c-text-muted); }
.kpi__rows { display: flex; flex-direction: column; gap: 6px; padding-top: 10px; border-top: 1px solid var(--c-border); font-size: var(--fs-sm); }
.kpi__rows > div { display: flex; justify-content: space-between; gap: var(--sp-2); }
.kpi__rows span:first-child { color: var(--c-text-muted); }
.kpi__rows span:last-child { font-weight: 600; font-variant-numeric: tabular-nums; }
@media (max-width: 900px) { .kpi-row { flex-direction: column; } }

/* ================= หน้าเข้าสู่ระบบ ================= */
.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: var(--sp-5); }
.login-box { width: 100%; max-width: 420px; }
.brand-mark {
    display: inline-grid; place-items: center; width: 72px; height: 72px;
    border-radius: var(--radius-pill); background: var(--c-brand-tint); color: var(--c-brand-deep);
    margin-bottom: var(--sp-3);
}

/* ================= toast ================= */
.toast {
    position: fixed; right: var(--sp-5); top: var(--sp-5); z-index: 100;
    display: flex; align-items: center; gap: var(--sp-2);
    padding: 12px 16px; border-radius: var(--radius);
    background: var(--c-text); color: #fff; box-shadow: var(--shadow); margin: 0;
}