/* =====================================================================
   Order Tracking System — modern, responsive UI
   ===================================================================== */
:root {
	--ots-primary: #e14458;
	--ots-primary-dark: #c52f43;
	--ots-primary-soft: #fdecef;
	--ots-text: #1f2937;
	--ots-muted: #6b7280;
	--ots-border: #e8e8ee;
	--ots-bg: #f7f6fa;
	--ots-card: #ffffff;
	--ots-radius: 14px;
	--ots-shadow: 0 1px 2px rgba(16, 24, 40, .05), 0 6px 18px rgba(16, 24, 40, .06);
}

/* ---------------------------------------------------------------------
   Shared components (wp-admin + front end)
------------------------------------------------------------------------ */
.ots-wrap { max-width: 1200px; }
.ots-header-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin: 4px 0 22px; }
.ots-header-row h1 { margin: 0; }
.ots-actions { display: flex; gap: 8px; flex-wrap: wrap; }

.ots-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 16px; margin: 0 0 22px; }
.ots-card { background: var(--ots-card); border: 1px solid var(--ots-border); border-radius: var(--ots-radius); padding: 18px 20px; box-shadow: var(--ots-shadow); position: relative; overflow: hidden; }
.ots-card::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 4px; background: var(--ots-primary); }
.ots-card:nth-child(2)::before { background: #3b82f6; }
.ots-card:nth-child(3)::before { background: #22c55e; }
.ots-card:nth-child(4)::before { background: #f59e0b; }
.ots-card:nth-child(5)::before { background: #8b5cf6; }
.ots-card-label { color: var(--ots-muted); font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: .06em; }
.ots-card-value { font-size: 28px; font-weight: 700; margin-top: 6px; color: var(--ots-text); line-height: 1.15; word-break: break-word; }

.ots-charts { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 380px), 1fr)); gap: 18px; }
.ots-chart-box { background: var(--ots-card); border: 1px solid var(--ots-border); border-radius: var(--ots-radius); padding: 18px 20px 20px; box-shadow: var(--ots-shadow); min-width: 0; }
.ots-chart-box h2 { margin: 0 0 14px; font-size: 13px; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; color: var(--ots-muted); }
.ots-chart-box canvas { max-height: 300px; max-width: 100%; }

.ots-status { display: inline-block; padding: 3px 11px; border-radius: 999px; font-size: 12px; font-weight: 600; text-transform: capitalize; white-space: nowrap; }
.ots-status-active     { background: #dcfce7; color: #166534; }
.ots-status-pending    { background: #fef3c7; color: #92400e; }
.ots-status-processing { background: #dbeafe; color: #1e40af; }
.ots-status-completed  { background: #d1fae5; color: #065f46; }
.ots-status-cancelled  { background: #fee2e2; color: #991b1b; }

.ots-product-image-preview { max-width: 110px; max-height: 110px; display: block; margin-bottom: 10px; border: 1px solid var(--ots-border); border-radius: 10px; object-fit: cover; }

.ots-client-picker { position: relative; max-width: 420px; }
.ots-client-picker input[type=text] { width: 100%; }
.ots-client-picker-results { position: absolute; z-index: 100; left: 0; right: 0; top: calc(100% + 6px); background: #fff; border: 1px solid var(--ots-border); border-radius: 12px; max-height: 240px; overflow-y: auto; box-shadow: 0 12px 30px rgba(16, 24, 40, .14); display: none; padding: 4px; }
.ots-client-picker-results div { padding: 10px 12px; cursor: pointer; border-radius: 8px; }
.ots-client-picker-results div:hover, .ots-client-picker-results div.active { background: var(--ots-primary-soft); }
.ots-client-picker-results .ots-add-new { color: var(--ots-primary); font-weight: 600; }

.ots-empty { padding: 44px 20px; text-align: center; color: var(--ots-muted); background: var(--ots-card); border: 1px dashed #d4d4de; border-radius: var(--ots-radius); }
.ots-inline-error { color: #991b1b; background: #fee2e2; border: 1px solid #fecaca; padding: 12px 16px; border-radius: 12px; margin: 10px 0; display: inline-block; }
.ots-inline-error a { color: #991b1b; font-weight: 600; text-decoration: underline; }
.ots-sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* ---------------------------------------------------------------------
   App shell (front end): header, main, footer
------------------------------------------------------------------------ */
.ots-body { margin: 0; background: var(--ots-bg); color: var(--ots-text); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif; font-size: 15px; line-height: 1.55; -webkit-font-smoothing: antialiased; }
.ots-body *, .ots-body *::before, .ots-body *::after { box-sizing: border-box; }
.ots-shell { min-height: 100vh; display: flex; flex-direction: column; }
.ots-main { flex: 1 0 auto; width: 100%; }

.ots-header { position: sticky; top: 0; z-index: 50; background: rgba(255, 255, 255, .92); -webkit-backdrop-filter: saturate(180%) blur(12px); backdrop-filter: saturate(180%) blur(12px); border-bottom: 1px solid var(--ots-border); }
.admin-bar .ots-header { top: 32px; }
@media (max-width: 782px) { .admin-bar .ots-header { top: 46px; } }
@media (max-width: 600px) { .admin-bar .ots-header { top: 0; } }
.ots-header-inner { max-width: 1200px; margin: 0 auto; padding: 10px 20px; display: flex; align-items: center; gap: 18px; }
.ots-brand { display: inline-flex; align-items: center; flex-shrink: 0; }
.ots-brand img { height: 52px; width: auto; max-width: 180px; display: block; object-fit: contain; }

.ots-nav { margin-left: auto; display: flex; align-items: center; gap: 4px; }
.ots-nav > a { color: var(--ots-muted); text-decoration: none; padding: 9px 15px; border-radius: 999px; font-weight: 600; font-size: 14px; transition: background .15s, color .15s; white-space: nowrap; }
.ots-nav > a:hover { background: var(--ots-primary-soft); color: var(--ots-primary); }
.ots-nav > a.is-active { background: var(--ots-primary); color: #fff; }

.ots-quick { position: relative; margin-left: 8px; }
.ots-quick summary { list-style: none; cursor: pointer; user-select: none; background: var(--ots-text); color: #fff; padding: 9px 18px; border-radius: 999px; font-weight: 600; font-size: 14px; transition: background .15s; }
.ots-quick summary::-webkit-details-marker { display: none; }
.ots-quick summary:hover, .ots-quick[open] summary { background: var(--ots-primary); }
.ots-quick-menu { position: absolute; right: 0; top: calc(100% + 10px); min-width: 220px; background: #fff; border: 1px solid var(--ots-border); border-radius: 14px; box-shadow: 0 16px 40px rgba(16, 24, 40, .16); padding: 6px; z-index: 60; }
.ots-quick-menu a { display: block; padding: 10px 14px; border-radius: 9px; color: var(--ots-text); text-decoration: none; font-weight: 500; }
.ots-quick-menu a:hover { background: var(--ots-primary-soft); color: var(--ots-primary); }

.ots-nav-toggle { display: none; margin-left: auto; width: 44px; height: 44px; padding: 0; border: 1px solid var(--ots-border); background: #fff; border-radius: 12px; cursor: pointer; flex-direction: column; align-items: center; justify-content: center; gap: 5px; }
.ots-nav-toggle span { display: block; width: 18px; height: 2px; background: var(--ots-text); border-radius: 2px; transition: transform .2s, opacity .2s; }
.ots-nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.ots-nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.ots-nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 900px) {
	.ots-header-inner { padding: 8px 16px; }
	.ots-brand img { height: 44px; }
	.ots-nav-toggle { display: flex; }
	.ots-nav { display: none; position: absolute; top: 100%; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 4px; background: #fff; padding: 12px 16px 18px; border-bottom: 1px solid var(--ots-border); box-shadow: 0 16px 30px rgba(16, 24, 40, .1); }
	.ots-nav.is-open { display: flex; }
	.ots-nav > a { padding: 12px 14px; border-radius: 12px; }
	.ots-quick { margin: 8px 0 0; }
	.ots-quick summary { text-align: center; padding: 12px 18px; }
	.ots-quick-menu { position: static; box-shadow: none; margin-top: 8px; background: var(--ots-bg); border-color: transparent; }
}

.ots-footer { flex-shrink: 0; background: #fff; border-top: 1px solid var(--ots-border); margin-top: 20px; }
.ots-footer-inner { max-width: 1200px; margin: 0 auto; padding: 28px 20px 18px; display: flex; justify-content: space-between; align-items: center; gap: 20px; flex-wrap: wrap; }
.ots-footer-brand { display: flex; align-items: center; gap: 14px; }
.ots-footer-brand img { height: 44px; width: auto; max-width: 150px; object-fit: contain; }
.ots-footer-brand p { margin: 0; color: var(--ots-muted); font-size: 13px; }
.ots-footer-links { display: flex; flex-wrap: wrap; gap: 6px 18px; }
.ots-footer-links a { color: var(--ots-muted); text-decoration: none; font-size: 14px; font-weight: 500; }
.ots-footer-links a:hover { color: var(--ots-primary); }
.ots-footer-copy { max-width: 1200px; margin: 0 auto; padding: 14px 20px 26px; border-top: 1px solid #f0f0f4; color: #9ca3af; font-size: 13px; text-align: center; }
@media (max-width: 640px) {
	.ots-footer-inner { flex-direction: column; align-items: flex-start; }
}

/* ---------------------------------------------------------------------
   Page content (front end) — buttons, tables, forms, notices
------------------------------------------------------------------------ */
.ots-app { max-width: 1200px; margin: 0 auto; padding: 32px 20px 40px; color: var(--ots-text); }
.ots-app h1 { font-size: 28px; font-weight: 700; letter-spacing: -.01em; margin: 0; line-height: 1.2; }
.ots-app h1 small { display: block; margin-top: 4px; font-size: 14px; }
.ots-app a { color: var(--ots-primary); text-decoration: none; }
.ots-app a:hover { color: var(--ots-primary-dark); }

/* Buttons */
.ots-app .button, .ots-app input[type="submit"] {
	display: inline-flex; align-items: center; justify-content: center; gap: 6px;
	padding: 10px 18px; border-radius: 10px; border: 1px solid var(--ots-border);
	background: #fff; color: var(--ots-text); font: inherit; font-size: 14px; font-weight: 600; line-height: 1.2;
	cursor: pointer; text-decoration: none; transition: background .15s, border-color .15s, box-shadow .15s, transform .05s;
}
.ots-app .button:hover, .ots-app input[type="submit"]:hover { background: #fafafa; border-color: #d1d5db; color: var(--ots-text); }
.ots-app .button:active { transform: translateY(1px); }
.ots-app .button-primary { background: var(--ots-primary); border-color: var(--ots-primary); color: #fff; box-shadow: 0 4px 12px rgba(225, 68, 88, .28); }
.ots-app .button-primary:hover { background: var(--ots-primary-dark); border-color: var(--ots-primary-dark); color: #fff; }

/* Notices */
.ots-app .notice { display: flex; background: #fff; border: 1px solid var(--ots-border); border-left: 4px solid #60a5fa; border-radius: 12px; padding: 12px 16px; margin: 0 0 18px; box-shadow: var(--ots-shadow); }
.ots-app .notice p { margin: 0; }
.ots-app .notice-success { border-left-color: #22c55e; }
.ots-app .notice-error { border-left-color: #ef4444; }

/* Search / filter toolbar */
.ots-app form .search-box { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin: 0 0 18px; padding: 12px; background: #fff; border: 1px solid var(--ots-border); border-radius: var(--ots-radius); box-shadow: var(--ots-shadow); }
.ots-app form .search-box input[type="search"] { flex: 1 1 220px; min-width: 0; }

/* Inputs */
.ots-app input[type=text], .ots-app input[type=email], .ots-app input[type=number],
.ots-app input[type=search], .ots-app input[type=url], .ots-app select, .ots-app textarea {
	font: inherit; font-size: 15px; color: var(--ots-text); background: #fff;
	border: 1px solid #d6d6df; border-radius: 10px; padding: 10px 12px; min-height: 42px;
	max-width: 100%; transition: border-color .15s, box-shadow .15s;
}
.ots-app input:focus, .ots-app select:focus, .ots-app textarea:focus {
	outline: none; border-color: var(--ots-primary); box-shadow: 0 0 0 4px var(--ots-primary-soft);
}
.ots-app select { padding-right: 32px; }
.ots-app textarea { min-height: 110px; }
.ots-app .description { color: var(--ots-muted); font-size: 13px; margin: 6px 0 0; }

/* Tables */
.ots-app .ots-table-wrap { background: #fff; border: 1px solid var(--ots-border); border-radius: var(--ots-radius); box-shadow: var(--ots-shadow); overflow-x: auto; -webkit-overflow-scrolling: touch; }
.ots-app table.wp-list-table { width: 100%; border-collapse: collapse; min-width: 640px; }
.ots-app table.wp-list-table th { text-align: left; padding: 14px 16px; background: #fafafc; color: var(--ots-muted); font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; border-bottom: 1px solid var(--ots-border); white-space: nowrap; }
.ots-app table.wp-list-table td { padding: 14px 16px; border-bottom: 1px solid #f1f1f5; vertical-align: middle; }
.ots-app table.wp-list-table tbody tr:last-child td { border-bottom: 0; }
.ots-app table.wp-list-table tbody tr:hover { background: #fcfcfe; }
.ots-app table.wp-list-table img { width: 44px; height: 44px; object-fit: cover; border-radius: 8px; display: block; }

.ots-app .ots-row-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; }
.ots-app .ots-row-actions a, .ots-app .ots-row-actions button {
	display: inline-flex; align-items: center; padding: 6px 12px; border-radius: 8px; font: inherit; font-size: 13px; font-weight: 600;
	background: var(--ots-bg); color: var(--ots-text); border: 0; cursor: pointer; text-decoration: none; line-height: 1.3;
}
.ots-app .ots-row-actions a:hover { background: var(--ots-primary-soft); color: var(--ots-primary); }
.ots-app .ots-row-actions .button-link-delete { background: #fef2f2; color: #b91c1c; }
.ots-app .ots-row-actions .button-link-delete:hover { background: #fee2e2; }
.ots-app .ots-delete-form { margin: 0; display: inline-flex !important; }

/* Forms (card) */
.ots-app .ots-form-card { background: #fff; border: 1px solid var(--ots-border); border-radius: var(--ots-radius); box-shadow: var(--ots-shadow); padding: 8px 28px 26px; max-width: 840px; }
.ots-app h1 + .ots-form-card, .ots-app h1 + .notice + .ots-form-card { margin-top: 22px; }
.ots-app .ots-form-card table.form-table, .ots-app .ots-form-card table.form-table tbody { display: block; width: 100%; }
.ots-app .ots-form-card table.form-table tr { display: grid; grid-template-columns: 210px minmax(0, 1fr); gap: 6px 24px; padding: 18px 0; border-bottom: 1px solid #f1f1f5; }
.ots-app .ots-form-card table.form-table tr:last-child { border-bottom: 0; }
.ots-app .ots-form-card table.form-table th, .ots-app .ots-form-card table.form-table td { display: block; padding: 0; text-align: left; }
.ots-app .ots-form-card table.form-table th { padding-top: 10px; }
.ots-app .ots-form-card table.form-table th label { font-weight: 600; font-size: 14px; }
.ots-app .regular-text { width: 100%; max-width: 420px; }
.ots-app .large-text { width: 100%; }
.ots-app .ots-form-card input[type=number] { width: 100%; max-width: 220px; }
.ots-app .ots-form-card select { width: 100%; max-width: 420px; }
.ots-app .ots-form-card p.submit { display: flex; flex-wrap: wrap; gap: 10px; margin: 22px 0 0; padding-top: 22px; border-top: 1px solid #f1f1f5; }
.ots-app .ots-form-card .button { min-width: 120px; }

/* ---------------------------------------------------------------------
   Responsive
------------------------------------------------------------------------ */
@media (max-width: 782px) {
	.ots-app { padding: 22px 14px 30px; }
	.ots-app h1 { font-size: 23px; }
	.ots-header-row { align-items: stretch; }
	.ots-header-row .ots-actions { width: 100%; }
	.ots-header-row .ots-actions .button { flex: 1 1 auto; }

	/* Forms: stack label above field */
	.ots-app .ots-form-card { padding: 4px 18px 22px; border-radius: 12px; }
	.ots-app .ots-form-card table.form-table tr { grid-template-columns: 1fr; gap: 6px; padding: 14px 0; }
	.ots-app .ots-form-card table.form-table th { padding-top: 0; }
	.ots-app .ots-form-card input[type=number], .ots-app .regular-text, .ots-app .ots-form-card select, .ots-app .ots-client-picker { max-width: 100%; }
	.ots-app .ots-form-card p.submit .button { flex: 1 1 100%; }

	/* Tables: each row becomes a card */
	.ots-app .ots-table-wrap { background: transparent; border: 0; box-shadow: none; overflow: visible; }
	.ots-app table.wp-list-table, .ots-app table.wp-list-table tbody { display: block; min-width: 0; width: 100%; }
	.ots-app table.wp-list-table thead { display: none; }
	.ots-app table.wp-list-table tr { display: block; background: #fff; border: 1px solid var(--ots-border); border-radius: var(--ots-radius); box-shadow: var(--ots-shadow); margin: 0 0 14px; padding: 6px 16px; }
	.ots-app table.wp-list-table tbody tr:hover { background: #fff; }
	.ots-app table.wp-list-table td { display: flex; justify-content: space-between; align-items: center; gap: 16px; text-align: right; padding: 10px 0; border-bottom: 1px solid #f4f4f7; }
	.ots-app table.wp-list-table tbody tr:last-child td { border-bottom: 1px solid #f4f4f7; }
	.ots-app table.wp-list-table td:last-child { border-bottom: 0; }
	.ots-app table.wp-list-table td::before { content: attr(data-label); flex-shrink: 0; color: var(--ots-muted); font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; text-align: left; }
	.ots-app table.wp-list-table td > * { min-width: 0; }
	.ots-app .ots-row-actions { justify-content: flex-end; }
	.ots-app table.wp-list-table td.ots-row-actions { justify-content: flex-end; padding-top: 14px; }
	.ots-app form .search-box select, .ots-app form .search-box input[type="submit"] { flex: 1 1 100%; }
}

@media (prefers-reduced-motion: reduce) {
	.ots-body * { transition: none !important; }
}