/* Smart Product Manager — Maintenance Styles */
.spm-maint-manager {
    --p:    #0073aa;
    --pd:   #005177;
    --r:    #dc3232;
    --g:    #46b450;
    --bd:   #dde1e7;
    --bg:   #f8f9fa;
    --w:    #ffffff;
    --tx:   #1d2327;
    --mu:   #6c757d;
    --warn: #e67e22;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    color: var(--tx);
    line-height: 1.5;
}

/* ── Page title ── */
.spm-maint-title { font-size: 22px; margin: 0 0 20px; font-weight: 700; }

/* ── Empty state (no products) ── */
.spm-maint-empty-state {
    text-align: center;
    padding: 60px 24px;
    background: var(--bg);
    border: 2px dashed var(--bd);
    border-radius: 12px;
}
.spm-maint-empty-icon { font-size: 48px; margin-bottom: 12px; }

/* ════════════════════════════════════════
   LAYOUT — sidebar + content
════════════════════════════════════════ */
.spm-maint-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 0;
    border: 1px solid var(--bd);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 16px rgba(0,0,0,.07);
    min-height: 500px;
    background: var(--w);
}

/* ── Sidebar template filter dropdown ── */
.spm-sidebar-filter-wrap {
    padding: 10px 12px 6px;
    border-bottom: 1px solid var(--bd);
    background: var(--w);
}
.spm-sidebar-filter-wrap select {
    width: 100%;
    padding: 7px 10px;
    border: 1px solid var(--bd);
    border-radius: 6px;
    font-size: 13px;
    font-family: inherit;
    background: var(--bg);
    color: var(--tx);
    cursor: pointer;
    transition: border-color .15s, box-shadow .15s;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%236c757d' d='M6 8L0 0h12z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
    padding-right: 28px;
}
.spm-sidebar-filter-wrap select:focus {
    outline: none;
    border-color: var(--p);
    box-shadow: 0 0 0 2px rgba(0,115,170,.12);
    background-color: var(--w);
}

/* ── Sidebar search ── */
.spm-sidebar-search-wrap {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 12px;
    border-bottom: 1px solid var(--bd);
    background: var(--w);
    position: sticky;
    top: 0;
    z-index: 2;
}
.spm-sidebar-search-icon { font-size: 14px; flex-shrink: 0; color: var(--mu); }
.spm-sidebar-search {
    flex: 1;
    border: 1px solid var(--bd);
    border-radius: 6px;
    padding: 6px 10px;
    font-size: 13px;
    font-family: inherit;
    background: var(--bg);
    color: var(--tx);
    transition: border-color .15s, box-shadow .15s;
    min-width: 0;
}
.spm-sidebar-search:focus {
    outline: none;
    border-color: var(--p);
    box-shadow: 0 0 0 2px rgba(0,115,170,.12);
    background: var(--w);
}
.spm-sidebar-search::placeholder { color: var(--mu); }
.spm-sidebar-search-clear {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--mu);
    font-size: 14px;
    padding: 2px 4px;
    border-radius: 4px;
    flex-shrink: 0;
    line-height: 1;
    transition: color .15s, background .15s;
}
.spm-sidebar-search-clear:hover { color: var(--r); background: #fff0f0; }
.spm-sidebar-no-results {
    padding: 14px 16px;
    font-size: 13px;
    color: var(--mu);
    text-align: center;
    font-style: italic;
}

/* ── Sidebar ── */
.spm-maint-sidebar {
    border-right: 1px solid var(--bd);
    background: var(--bg);
    display: flex;
    flex-direction: column;
}
.spm-maint-sidebar-head {
    padding: 16px 18px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .8px;
    color: var(--mu);
    border-bottom: 1px solid var(--bd);
    background: var(--w);
}
.spm-product-list-nav {
    list-style: none;
    margin: 0;
    padding: 8px;
    flex: 1;
    overflow-y: auto;
}
.spm-product-nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    border-radius: 8px;
    cursor: pointer;
    transition: background .15s, box-shadow .15s;
    margin-bottom: 2px;
    position: relative;
}
.spm-product-nav-item:hover { background: rgba(0,115,170,.06); }
.spm-product-nav-item.active {
    background: rgba(0,115,170,.1);
    box-shadow: inset 3px 0 0 var(--p);
}
.spm-pnav-thumb {
    width: 44px;
    height: 44px;
    border-radius: 8px;
    overflow: hidden;
    flex-shrink: 0;
    background: var(--bd);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}
.spm-pnav-thumb img { width: 100%; height: 100%; object-fit: cover; }
.spm-pnav-info { flex: 1; min-width: 0; }
.spm-pnav-title {
    display: block;
    font-weight: 600;
    font-size: 13px;
    color: var(--tx);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.spm-pnav-type {
    display: block;
    font-size: 11px;
    color: var(--mu);
    margin-top: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.spm-pnav-badge {
    background: var(--bd);
    color: var(--mu);
    border-radius: 20px;
    padding: 2px 8px;
    font-size: 11px;
    font-weight: 700;
    min-width: 22px;
    text-align: center;
    flex-shrink: 0;
}
.spm-product-nav-item.active .spm-pnav-badge {
    background: var(--p);
    color: #fff;
}

/* ── Content area ── */
.spm-maint-content {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

/* ── Content header bar ── */
.spm-maint-content-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 22px;
    border-bottom: 1px solid var(--bd);
    background: var(--w);
    gap: 12px;
    flex-wrap: wrap;
}
.spm-maint-product-info { display: flex; flex-direction: column; gap: 2px; }
.spm-maint-product-name { font-size: 16px; font-weight: 700; color: var(--tx); }
.spm-maint-product-stat { font-size: 12px; color: var(--mu); }

/* ════════════════════════════════════════
   FORM
════════════════════════════════════════ */
.spm-maint-form-wrap {
    border-bottom: 1px solid var(--bd);
    padding: 22px;
    background: #fffdf5;
}
.spm-maint-form-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 18px;
}
.spm-maint-form-label { font-size: 15px; font-weight: 700; color: var(--warn); }
.spm-maint-form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
    margin-bottom: 4px;
}
.spm-maint-form-grid .spm-field-span2 { grid-column: 1 / -1; }
.spm-maint-form-foot {
    display: flex;
    gap: 10px;
    margin-top: 20px;
    align-items: center;
    flex-wrap: wrap;
}
.spm-maint-no-tpl {
    background: #fff8e1;
    border: 1px solid #ffe082;
    border-radius: 6px;
    padding: 10px 14px;
    font-size: 13px;
    color: #795548;
}

/* ════════════════════════════════════════
   HISTORY
════════════════════════════════════════ */
.spm-maint-history { flex: 1; padding: 20px 22px; }
.spm-maint-history-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}
.spm-history-label { font-size: 14px; font-weight: 700; }
.spm-history-count {
    font-size: 12px;
    color: var(--mu);
    background: var(--bg);
    border: 1px solid var(--bd);
    padding: 3px 10px;
    border-radius: 20px;
}

/* ── Record rows ── */
.spm-mrow {
    background: var(--w);
    border: 1px solid var(--bd);
    border-radius: 10px;
    margin-bottom: 10px;
    overflow: hidden;
    box-shadow: 0 1px 4px rgba(0,0,0,.05);
    transition: box-shadow .15s;
}
.spm-mrow:hover { box-shadow: 0 3px 10px rgba(0,0,0,.09); }
.spm-mrow-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 13px 16px;
    gap: 10px;
    flex-wrap: wrap;
}
.spm-mrow-info {
    display: flex;
    align-items: center;
    gap: 14px;
    flex: 1;
    min-width: 0;
    flex-wrap: wrap;
}
.spm-mrow-title { font-weight: 700; font-size: 14px; }
.spm-mrow-date, .spm-mrow-tpl { font-size: 12px; color: var(--mu); white-space: nowrap; }
.spm-mrow-acts { display: flex; gap: 6px; flex-shrink: 0; }
.spm-mrow-body {
    border-top: 1px solid var(--bd);
    padding: 14px 16px;
    background: var(--bg);
}
.spm-mrow-meta {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 4px 18px;
    margin: 0;
    font-size: 13px;
}
.spm-mrow-meta dt {
    font-size: 11px;
    font-weight: 700;
    color: var(--mu);
    text-transform: uppercase;
    letter-spacing: .4px;
    padding-top: 2px;
}
.spm-mrow-meta dd { margin: 0 0 6px; }

/* ── Loading spinner ── */
.spm-maint-loading { text-align:center; padding:40px; color:var(--mu); }
.spm-spinner {
    display: inline-block;
    width: 16px; height: 16px;
    border: 2px solid var(--bd);
    border-top-color: var(--p);
    border-radius: 50%;
    animation: spm-spin .7s linear infinite;
    vertical-align: middle;
    margin-right: 6px;
}
@keyframes spm-spin { to { transform: rotate(360deg); } }

/* ════════════════════════════════════════
   SHARED FIELD / BUTTON STYLES
════════════════════════════════════════ */
.spm-maint-manager .spm-field { margin-bottom: 14px; }
.spm-maint-manager .spm-label { display:block; font-weight:600; font-size:14px; margin-bottom:5px; }
.spm-maint-manager .spm-req   { color:var(--r); margin-left:2px; }
.spm-maint-manager .spm-input {
    width: 100%; padding: 9px 13px;
    border: 1px solid var(--bd); border-radius: 6px;
    font-size: 14px; box-sizing: border-box; font-family: inherit;
    transition: border-color .15s, box-shadow .15s;
    background: var(--w);
}
.spm-maint-manager .spm-input:focus {
    outline: none; border-color: var(--p);
    box-shadow: 0 0 0 3px rgba(0,115,170,.12);
}
.spm-maint-manager textarea.spm-input { min-height: 90px; resize: vertical; }
.spm-maint-manager .spm-desc { font-size: 12px; color: var(--mu); margin: 4px 0 0; }
.spm-maint-manager .spm-options { display:flex; flex-direction:column; gap:7px; }
.spm-maint-manager .spm-opt-label { display:flex; align-items:center; gap:8px; cursor:pointer; font-size:14px; }
.spm-maint-manager .spm-img-wrap  { display:flex; flex-direction:column; align-items:flex-start; gap:8px; }
.spm-maint-manager .spm-img-preview { max-width:140px; max-height:100px; border-radius:6px; object-fit:cover; border:1px solid var(--bd); }
.spm-maint-manager .spm-thumb { max-width:90px; max-height:65px; border-radius:4px; object-fit:cover; border:1px solid var(--bd); }
.spm-maint-manager .spm-empty {
    text-align: center; padding: 40px; color: var(--mu);
    border: 2px dashed var(--bd); border-radius: 10px; font-size: 14px;
}
.spm-maint-manager .spm-msg {
    margin-top: 12px; padding: 10px 16px;
    border-radius: 6px; font-size: 14px; font-weight: 500;
}
.spm-maint-manager .spm-msg-ok  { background:#edfaef; border:1px solid #a8d5ae; color:#1a6b22; }
.spm-maint-manager .spm-msg-err { background:#fdf2f2; border:1px solid #f5b5b5; color:#8b1a1a; }
.spm-loading-msg { color:var(--mu); font-style:italic; padding:8px 0; font-size:13px; }

/* Buttons */
.spm-maint-manager .spm-btn {
    display: inline-flex; align-items: center; gap: 5px;
    padding: 9px 18px; border-radius: 6px; font-size: 13px;
    font-weight: 600; cursor: pointer; border: 2px solid transparent;
    transition: all .15s; font-family: inherit; line-height: 1;
}
.spm-maint-manager .spm-btn-sm   { padding: 5px 10px; font-size: 12px; }
.spm-maint-manager .spm-btn-primary { background:var(--p); color:#fff; border-color:var(--p); }
.spm-maint-manager .spm-btn-primary:hover { background:var(--pd); border-color:var(--pd); }
.spm-maint-manager .spm-btn:not(.spm-btn-primary) { background:transparent; color:var(--p); border-color:var(--bd); }
.spm-maint-manager .spm-btn:not(.spm-btn-primary):hover { background:var(--p); color:#fff; border-color:var(--p); }
.spm-maint-manager .spm-btn-edit { background:#f0f6ff; color:var(--p); border-color:#c3d9ef; }
.spm-maint-manager .spm-btn-edit:hover { background:var(--p); color:#fff; }
.spm-maint-manager .spm-btn-del  { background:#fff5f5; color:var(--r); border-color:#f5b5b5; }
.spm-maint-manager .spm-btn-del:hover { background:var(--r); color:#fff; }

/* ── Responsive ── */
@media (max-width: 700px) {
    .spm-maint-layout { grid-template-columns: 1fr; }
    .spm-maint-sidebar { border-right: none; border-bottom: 1px solid var(--bd); }
    .spm-product-list-nav { display: flex; gap: 8px; flex-wrap: wrap; padding: 10px; overflow-y: visible; }
    .spm-product-nav-item { flex-direction: column; align-items: center; text-align: center; padding: 10px; min-width: 80px; }
    .spm-pnav-info { display: none; }
    .spm-maint-form-grid { grid-template-columns: 1fr; }
    .spm-maint-form-grid .spm-field-span2 { grid-column: 1; }
    .spm-mrow-head { flex-direction: column; align-items: flex-start; }
    .spm-mrow-acts { width: 100%; }
}