/* Cheque Management System — theme v2.
   Brand colours (--brand, --accent, --side-*, ...) are generated from the admin "ธีมสี" page
   and printed by fin/theme.php; the values below are fallbacks. */
:root {
	--brand: #1f6b3a;
	--brand-600: #18562e;
	--brand-50: #eaf5ee;
	--brand-ink: #1f6b3a;
	--on-brand: #fff;
	--accent: #5fae5f;
	--on-accent: #111827;
	--side-bg: #13311f;
	--side-ink: #d5e6db;
	--side-head: #7fa48c;
	--focus: rgba(31, 107, 58, .22);

	--red: #d7262e;
	--bg: #f4f6f8;
	--surface: #ffffff;
	--surface-2: #f8fafb;
	--surface-hover: #f6f9f7;
	--input-bg: #ffffff;
	--input-line: #cfd6de;
	--ink: #1d2733;
	--ink-2: #4a5868;
	--muted: #6b7785;
	--line: #e3e8ee;
	--ok: #16794a; --ok-bg: #e7f6ee; --ok-line: #bfe5cf;
	--err: #b42318; --err-bg: #fdecea; --err-line: #f6c6c0;
	--warn: #8a5800; --warn-bg: #fff4dc; --warn-line: #f2d9a6;
	--info: #175cd3; --info-bg: #eaf1fd; --info-line: #c7d9f8;
	--radius: 12px;
	--shadow: 0 1px 2px rgba(16, 24, 40, .05), 0 1px 3px rgba(16, 24, 40, .08);
	--sidebar: 248px;
	color-scheme: light;
}
:root[data-theme="dark"] {
	--bg: #0e141b;
	--surface: #151d26;
	--surface-2: #1a242e;
	--surface-hover: #1c2731;
	--input-bg: #0f171f;
	--input-line: #33414f;
	--ink: #e6edf3;
	--ink-2: #b6c2cf;
	--muted: #8d9aa8;
	--line: #26323e;
	--ok: #5fd39a; --ok-bg: rgba(95, 211, 154, .12); --ok-line: rgba(95, 211, 154, .3);
	--err: #ff8a80; --err-bg: rgba(255, 138, 128, .12); --err-line: rgba(255, 138, 128, .3);
	--warn: #f5c35b; --warn-bg: rgba(245, 195, 91, .12); --warn-line: rgba(245, 195, 91, .3);
	--info: #8ab4ff; --info-bg: rgba(138, 180, 255, .12); --info-line: rgba(138, 180, 255, .3);
	--shadow: 0 1px 2px rgba(0, 0, 0, .4);
	color-scheme: dark;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
	font-family: "Sarabun", "Leelawadee UI", Tahoma, "Segoe UI", sans-serif;
	font-size: 15px;
	line-height: 1.55;
	color: var(--ink);
	background: var(--bg);
	min-height: 100vh;
	display: flex;
	flex-direction: column;
}
a { color: var(--brand-ink); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { line-height: 1.25; margin: 0; }
.icon { width: 18px; height: 18px; flex: none; }
.hide-sm { }

/* mourning mode (front pages): everything in greyscale */
html.mourning { filter: grayscale(1); }
.mourning-bar { background: #111; color: #f2f2f2; text-align: center; padding: 8px 16px; font-size: 14px; }

/* ---------- top bar (public + customer) ---------- */
.topbar { background: var(--surface); border-bottom: 1px solid var(--line); position: relative; }
.topbar::after {
	content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 3px;
	background: linear-gradient(90deg, var(--brand), var(--accent));
}
.topbar-inner { max-width: 1180px; margin: 0 auto; padding: 10px 20px; display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none !important; }
.brand img { width: 42px; height: 42px; border-radius: 6px; }
.brand strong { display: block; color: var(--brand-ink); font-size: 18px; letter-spacing: .5px; font-style: italic; }
.brand small { display: block; color: var(--ink-2); font-size: 12px; margin-top: -3px; font-style: italic; font-weight: 600; }
.topbar-title { margin-left: auto; color: var(--muted); font-size: 14px; }
.topnav { margin-left: auto; display: flex; gap: 4px; flex-wrap: wrap; }
.topnav a { display: flex; align-items: center; gap: 6px; padding: 8px 12px; border-radius: 8px; color: var(--ink-2); font-weight: 500; }
.topnav a:hover { background: var(--surface-2); text-decoration: none; }
.topnav a.active { background: var(--brand-50); color: var(--brand-ink); }

.page { width: 100%; max-width: 1180px; margin: 0 auto; padding: 28px 20px 40px; flex: 1; }
.page-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-bottom: 20px; }
.page-head h1 { font-size: 26px; font-weight: 700; }
.subtitle { margin: 4px 0 0; color: var(--muted); }
.page-actions { display: flex; gap: 8px; flex-wrap: wrap; }

.site-footer { text-align: center; color: var(--muted); font-size: 13px; padding: 18px 16px 24px; }

/* ---------- admin shell ---------- */
.shell { display: flex; min-height: 100vh; flex: 1; }
.sidebar {
	width: var(--sidebar); flex: none; background: var(--side-bg); color: var(--side-ink);
	position: sticky; top: 0; height: 100vh; overflow-y: auto;
}
.sidebar-brand { padding: 16px 18px; border-bottom: 1px solid rgba(255,255,255,.08); }
.sidebar .brand strong { color: var(--accent); }
.sidebar .brand small { color: var(--side-ink); }
.sidenav { padding: 10px 10px 24px; display: flex; flex-direction: column; gap: 2px; }
.sidenav-head { font-size: 11px; text-transform: uppercase; letter-spacing: .08em; color: var(--side-head); padding: 14px 10px 4px; }
.sidenav a { display: flex; align-items: center; gap: 10px; padding: 9px 10px; border-radius: 8px; color: var(--side-ink); }
.sidenav a:hover { background: rgba(255,255,255,.07); text-decoration: none; }
.sidenav a.active { background: var(--accent); color: var(--on-accent); font-weight: 600; }
.shell-main { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.adminbar { height: 58px; background: var(--surface); border-bottom: 1px solid var(--line); display: flex; align-items: center; padding: 0 20px; gap: 12px; position: sticky; top: 0; z-index: 5; }
.adminbar-user { margin-left: auto; display: flex; align-items: center; gap: 6px; }
.adminbar-user a { display: flex; align-items: center; gap: 6px; padding: 7px 10px; border-radius: 8px; color: var(--ink-2); }
.adminbar-user a:hover, .adminbar-user a.active { background: var(--surface-2); text-decoration: none; }
.adminbar-user em { font-style: normal; font-size: 11px; background: var(--brand-50); color: var(--brand-ink); padding: 1px 7px; border-radius: 99px; text-transform: uppercase; }
.page-admin { max-width: none; padding: 26px 28px 30px; }
.icon-btn { display: none; background: none; border: 1px solid var(--line); border-radius: 8px; padding: 6px; cursor: pointer; color: var(--ink-2); }

/* ---------- cards, grid ---------- */
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
.card-body { padding: 20px; }
.card-head { padding: 14px 20px; border-bottom: 1px solid var(--line); display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.card-head h2 { font-size: 16px; font-weight: 600; }
.grid { display: grid; gap: 16px; }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.stack > * + * { margin-top: 16px; }

.stat { padding: 18px 20px; display: flex; gap: 14px; align-items: center; }
.stat .stat-icon { width: 44px; height: 44px; border-radius: 10px; display: grid; place-items: center; background: var(--brand-50); color: var(--brand-ink); }
.stat .stat-icon .icon { width: 22px; height: 22px; }
.stat .num { font-size: 26px; font-weight: 700; line-height: 1.1; }
.stat .lbl { color: var(--muted); font-size: 13px; }

/* landing tiles */
.hero { text-align: center; padding: 18px 0 26px; }
.hero h1 { font-size: 32px; }
.hero p { color: var(--ink-2); margin: 8px 0 0; font-size: 17px; }
.tiles { display: grid; gap: 18px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.tile {
	display: flex; flex-direction: column; gap: 10px; padding: 22px; border-radius: var(--radius);
	background: var(--surface); border: 1px solid var(--line); box-shadow: var(--shadow); color: var(--ink);
	transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease;
	border-top: 4px solid var(--tile, var(--brand));
}
.tile:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(16,24,40,.12); text-decoration: none; border-color: var(--tile, var(--brand)); }
.tile .tile-icon { width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center; color: #fff; background: var(--tile, var(--brand)); }
.tile .tile-icon .icon { width: 24px; height: 24px; }
.tile h3 { font-size: 18px; }
.tile p { margin: 0; color: var(--muted); font-size: 14px; flex: 1; }
.tile .go { display: flex; align-items: center; gap: 6px; color: var(--tile, var(--brand-ink)); font-weight: 600; font-size: 14px; }
.tile-pink { --tile: #d63d8f; } .tile-orange { --tile: #e5522d; } .tile-amber { --tile: #c98a00; } .tile-teal { --tile: #11a594; }

/* ---------- forms ---------- */
label { display: block; font-weight: 500; margin-bottom: 6px; color: var(--ink-2); font-size: 14px; }
.req::after { content: " *"; color: var(--red); }
input[type=text], input[type=password], input[type=email], input[type=search], input[type=date], input[type=number], select, textarea {
	width: 100%; font: inherit; color: var(--ink); background: var(--input-bg); border: 1px solid var(--input-line); border-radius: 8px;
	padding: 9px 12px; transition: border-color .15s, box-shadow .15s;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--brand); box-shadow: 0 0 0 3px var(--focus); }
input[readonly] { background: var(--surface-2); color: var(--ink-2); }
input[type=file] { font: inherit; width: 100%; padding: 10px; border: 1px dashed var(--input-line); border-radius: 8px; background: var(--surface-2); color: var(--ink); }
input[type=color] { width: 56px; height: 42px; padding: 3px; border: 1px solid var(--input-line); border-radius: 8px; background: var(--input-bg); cursor: pointer; }
.field { margin-bottom: 16px; }
.field-row { display: grid; gap: 16px; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.hint { color: var(--muted); font-size: 13px; margin-top: 4px; }
.form-actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 8px; }
.checkbox { display: flex; align-items: center; gap: 8px; font-weight: 400; color: var(--ink); }
.checkbox input { width: 16px; height: 16px; accent-color: var(--brand); }

.btn {
	display: inline-flex; align-items: center; justify-content: center; gap: 6px; font: inherit; font-weight: 600; font-size: 14px;
	padding: 9px 16px; border-radius: 8px; border: 1px solid transparent; cursor: pointer; text-decoration: none !important;
	background: var(--brand); color: var(--on-brand); transition: background .15s, border-color .15s; white-space: nowrap;
}
.btn:hover { background: var(--brand-600); }
.btn-light { background: var(--surface); color: var(--ink); border-color: var(--input-line); }
.btn-light:hover { background: var(--surface-2); }
.btn-danger { background: var(--surface); color: var(--err); border-color: var(--err-line); }
.btn-danger:hover { background: var(--err-bg); }
.btn-sm { padding: 5px 10px; font-size: 13px; }
.btn-block { width: 100%; }
.btn .icon { width: 16px; height: 16px; }
.btn:disabled { opacity: .6; cursor: default; }

/* ---------- tables ---------- */
.table-wrap { overflow-x: auto; }
table.table { width: 100%; border-collapse: collapse; font-size: 14px; }
.table th { text-align: left; font-weight: 600; color: var(--ink-2); background: var(--surface-2); border-bottom: 1px solid var(--line); padding: 10px 14px; white-space: nowrap; }
.table td { border-bottom: 1px solid var(--line); padding: 10px 14px; vertical-align: top; }
.table tr:last-child td { border-bottom: 0; }
.table tbody tr:hover td { background: var(--surface-hover); }
.table .num { text-align: right; white-space: nowrap; font-variant-numeric: tabular-nums; }
.table .actions { text-align: right; white-space: nowrap; }
.table .muted, .muted { color: var(--muted); }
.table-foot { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; padding: 12px 16px; border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; }
.empty { text-align: center; color: var(--muted); padding: 40px 16px !important; }
code, .mono { font-family: Consolas, "SFMono-Regular", Menlo, monospace; font-size: 13px; }
.secret { display: inline-flex; align-items: center; gap: 6px; }
.secret button { background: none; border: 0; padding: 0; cursor: pointer; color: var(--muted); }
.secret button:hover { color: var(--brand-ink); }

.toolbar { display: flex; gap: 10px; flex-wrap: wrap; align-items: flex-end; }
.toolbar .field { margin: 0; }
.toolbar .grow { flex: 1; min-width: 200px; }

.badge { display: inline-block; font-size: 12px; font-weight: 600; padding: 2px 9px; border-radius: 99px; background: var(--surface-2); color: var(--ink-2); white-space: nowrap; }
.badge-ok { background: var(--ok-bg); color: var(--ok); }
.badge-err { background: var(--err-bg); color: var(--err); }
.badge-warn { background: var(--warn-bg); color: var(--warn); }
.badge-info { background: var(--info-bg); color: var(--info); }

.pager { display: flex; gap: 4px; flex-wrap: wrap; align-items: center; }
.pager a, .pager span { min-width: 34px; text-align: center; padding: 5px 10px; border-radius: 8px; border: 1px solid var(--line); background: var(--surface); color: var(--ink-2); font-size: 14px; }
.pager a:hover { border-color: var(--brand); color: var(--brand-ink); text-decoration: none; }
.pager .current { background: var(--brand); border-color: var(--brand); color: var(--on-brand); font-weight: 600; }
.pager .disabled { opacity: .45; }
.pager .gap { border: 0; background: none; }

.tabs { display: flex; gap: 6px; border-bottom: 1px solid var(--line); margin-bottom: 18px; flex-wrap: wrap; }
.tabs a { padding: 9px 14px; border-bottom: 2px solid transparent; color: var(--ink-2); font-weight: 500; margin-bottom: -1px; }
.tabs a:hover { text-decoration: none; color: var(--brand-ink); }
.tabs a.active { border-color: var(--brand); color: var(--brand-ink); }

/* ---------- alerts ---------- */
.alert { display: flex; gap: 10px; align-items: flex-start; padding: 12px 14px; border-radius: 10px; margin-bottom: 16px; border: 1px solid transparent; }
.alert .icon { margin-top: 2px; }
.alert-success { background: var(--ok-bg); color: var(--ok); border-color: var(--ok-line); }
.alert-error { background: var(--err-bg); color: var(--err); border-color: var(--err-line); }
.alert-warning { background: var(--warn-bg); color: var(--warn); border-color: var(--warn-line); }
.alert-info { background: var(--info-bg); color: var(--info); border-color: var(--info-line); }

/* ---------- auth card ---------- */
.auth { max-width: 420px; margin: 10px auto 0; }
.auth .card-body { padding: 28px; }
.auth-head { display: flex; gap: 12px; align-items: center; margin-bottom: 20px; }
.auth-head .tile-icon { width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center; color: #fff; background: var(--tile, var(--brand)); flex: none; }
.auth-head h2 { font-size: 19px; }
.auth-head p { margin: 2px 0 0; color: var(--muted); font-size: 14px; }
.auth-links { margin-top: 16px; text-align: center; font-size: 14px; color: var(--muted); }

dl.kv { display: grid; grid-template-columns: max-content 1fr; gap: 6px 18px; margin: 0; }
dl.kv dt { color: var(--muted); }
dl.kv dd { margin: 0; word-break: break-word; }
pre.detail { margin: 0; white-space: pre-wrap; word-break: break-word; font-size: 12px; color: var(--ink-2); max-width: 420px; }

/* ---------- visitor light/dark toggle ---------- */
.theme-toggle {
	position: fixed; right: 18px; bottom: 18px; z-index: 30; width: 46px; height: 46px; border-radius: 50%;
	border: 1px solid var(--line); background: var(--surface); color: var(--ink); box-shadow: 0 4px 14px rgba(0,0,0,.18);
	display: grid; place-items: center; cursor: pointer;
}
.theme-toggle:hover { border-color: var(--brand); color: var(--brand-ink); }
.theme-toggle .icon { width: 20px; height: 20px; }
.theme-toggle .when-dark { display: none; }
:root[data-theme="dark"] .theme-toggle .when-dark { display: block; }
:root[data-theme="dark"] .theme-toggle .when-light { display: none; }

/* ---------- theme admin page ---------- */
.swatches { display: flex; flex-wrap: wrap; gap: 8px; }
.swatch { border: 2px solid transparent; border-radius: 99px; padding: 7px 16px; font: inherit; font-weight: 600; font-size: 14px; cursor: pointer; }
.swatch[aria-pressed="true"] { outline: 3px solid var(--ink); outline-offset: 2px; }
.theme-controls { display: flex; flex-wrap: wrap; gap: 20px; align-items: flex-end; margin-top: 18px; }
.color-input { display: flex; gap: 8px; align-items: center; }
.color-input input[type=text] { width: 130px; font-family: Consolas, monospace; }
.mode-choice { display: flex; gap: 8px; }
.mode-choice label { display: flex; align-items: center; gap: 8px; margin: 0; padding: 9px 14px; border: 1px solid var(--input-line); border-radius: 8px; cursor: pointer; color: var(--ink); font-weight: 500; }
.mode-choice input { accent-color: var(--brand); }
.preview { margin-top: 18px; border: 1px solid var(--line); border-radius: 12px; padding: 18px; display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.preview span { padding: 9px 18px; border-radius: 8px; font-weight: 600; font-size: 14px; border: 1px solid transparent; }
.contrast-note { margin-top: 8px; font-size: 13px; color: var(--muted); }
.contrast-note.bad { color: var(--err); }

/* ---------- responsive ---------- */
@media (max-width: 1000px) {
	.grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
	.grid-3 { grid-template-columns: 1fr; }
}
@media (max-width: 860px) {
	.icon-btn { display: inline-flex; }
	.sidebar { position: fixed; left: 0; top: 0; z-index: 20; transform: translateX(-100%); transition: transform .2s ease; box-shadow: 0 0 40px rgba(0,0,0,.25); }
	body.sidebar-open .sidebar { transform: none; }
	body.sidebar-open::after { content: ""; position: fixed; inset: 0; background: rgba(0,0,0,.35); z-index: 15; }
	.page-admin { padding: 20px 16px; }
	.hide-sm { display: none; }
}
@media (max-width: 640px) {
	.grid-2, .grid-4, .field-row { grid-template-columns: 1fr; }
	.page { padding: 20px 16px 32px; }
	.page-head h1 { font-size: 22px; }
	.hero h1 { font-size: 25px; }
	.topnav { margin-left: 0; width: 100%; }
	.topnav a span { font-size: 14px; }
	.adminbar-user span { display: none; }
}
@media print {
	.sidebar, .adminbar, .topbar, .site-footer, .page-actions, .toolbar, .pager, .theme-toggle, .mourning-bar { display: none !important; }
	.card { box-shadow: none; }
}