:root {
  --color-canvas: #e4002b;
  --color-surface: #ffffff;
  --color-surface-muted: #f8fafc;
  --color-border: #171717;
  --color-text: #171717;
  --color-text-muted: #4b3032;
  --color-primary: #e4002b;
  --color-primary-hover: #bb0024;
  --color-focus: #ffd100;
  --color-success-bg: #dcfce7;
  --color-success-text: #166534;
  --color-danger-bg: #fee2e2;
  --color-danger-text: #991b1b;
  --color-warning-bg: #fef3c7;
  --color-warning-text: #92400e;
}

* { box-sizing: border-box; }
html { background: var(--color-canvas); }
body { margin: 0; min-width: 320px; min-height: 100vh; font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; color: var(--color-text); background: radial-gradient(70rem 42rem at 12% -16%, #ffd100 0 42%, transparent 42.3%), radial-gradient(72rem 45rem at 94% 114%, #9e001f 0 43%, transparent 43.3%), #e4002b; background-attachment: fixed; line-height: 1.5; }
.skip-link { position: fixed; z-index: 20; top: 8px; left: 8px; padding: 10px 14px; color: #fff; background: var(--color-primary); border-radius: 8px; transform: translateY(-160%); }
.skip-link:focus { transform: translateY(0); }
button, input, select, textarea { font: inherit; }
button { min-height: 44px; padding: 10px 16px; border: 2px solid #171717; border-radius: 8px; box-shadow: 3px 3px 0 #171717; font-weight: 800; color: #fff; background: var(--color-primary); cursor: pointer; }
button:hover:not(:disabled) { background: var(--color-primary-hover); }
@media (hover: none) { button:hover:not(:disabled) { background: var(--color-primary); } button.secondary:hover:not(:disabled) { background: #e2e8f0; } button.danger:hover:not(:disabled) { background: var(--color-danger-bg); } }
button:disabled { cursor: not-allowed; opacity: .58; }
button.secondary { color: var(--color-text); background: #fff; }
button.secondary:hover:not(:disabled) { background: #ffd100; }
button.danger { color: var(--color-danger-text); background: var(--color-danger-bg); }
button.danger:hover:not(:disabled) { background: #fecaca; }
button.small { min-height: 40px; padding: 8px 12px; font-size: .875rem; }
button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, summary:focus-visible { outline: 3px solid var(--color-focus); outline-offset: 2px; }

input, select, textarea { width: 100%; min-height: 44px; padding: 10px 12px; color: var(--color-text); border: 2px solid var(--color-border); border-radius: 8px; background: var(--color-surface); }
textarea { min-height: 88px; resize: vertical; }
input[readonly] { color: var(--color-text-muted); background: #f1f5f9; }
form { display: grid; gap: 10px; }
label { display: block; margin-top: 4px; font-weight: 700; }
h1, h2, h3, h4, p { margin-top: 0; }
h1 { font-size: clamp(1.5rem, 4vw, 2rem); }
h2 { margin-bottom: 0; font-size: clamp(1.35rem, 3vw, 1.75rem); }
h3 { font-size: 1.125rem; }
.subtitle, .muted, .meta { color: var(--color-text-muted); }
.meta { overflow-wrap: normal; }
.hidden { display: none !important; }

.app-shell { width: min(100%, 1488px); margin: 0 auto; padding: 16px; }
.card { padding: 20px; background: var(--color-surface); border: 2px solid var(--color-border); border-radius: 12px; box-shadow: 7px 7px 0 rgba(23, 23, 23, .92); }
#login-card, #account-status-card, #password-change-card { width: min(100%, 440px); margin: clamp(16px, 8vh, 72px) auto; }
.account-state-message { color: #334155; line-height: 1.65; }

.app-card { min-height: calc(100vh - 32px); padding: 0; overflow: visible; }
.app-navigation { display: flex; flex-direction: column; gap: 16px; padding: 16px; border-bottom: 2px solid var(--color-border); background: #fff; }
.app-brand { display: flex; align-items: baseline; justify-content: space-between; gap: 8px; }
.app-brand span, .eyebrow { color: var(--color-text-muted); font-size: .8125rem; }
.tabs { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 8px; }
.tab { min-width: 0; min-height: 48px; padding: 8px; color: var(--color-text); background: #fff; font-size: .875rem; }
.tab.active { color: #fff; background: var(--color-primary); }
.nav-icon { display: inline-flex; align-items: center; justify-content: center; min-width: 18px; font-size: 1.125rem; line-height: 1; }
.nav-label { min-width: 0; overflow-wrap: anywhere; }
.account-actions { display: none; }
.app-content { min-width: 0; padding: 20px 16px calc(92px + env(safe-area-inset-bottom)); }
.app-topbar { position: relative; display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; margin-bottom: 20px; }
.eyebrow { margin-bottom: 2px; font-weight: 700; }
.compact-more-toggle { display: grid; }
.compact-more-toggle.active { color: #fff; background: var(--color-primary); }
.compact-more-menu { position: fixed; z-index: 5; right: 12px; bottom: calc(76px + env(safe-area-inset-bottom)); display: grid; width: min(280px, calc(100vw - 24px)); gap: 8px; padding: 12px; border: 2px solid var(--color-border); border-radius: 10px; background: var(--color-surface); box-shadow: 6px 6px 0 rgba(23,23,23,.9); }
.more-destination { color: var(--color-text); background: var(--color-surface-muted); text-align: left; }
.more-destination.active { color: #fff; background: var(--color-primary); }

.panel { scroll-margin-top: 20px; }
.section-title-row, .top-row { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
.inline-actions { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 8px; }
.section-title-row > * { min-width: 0; }
.section-title-row #refresh-staff { flex: 0 0 auto; white-space: nowrap; }
.search-row { display: grid; gap: 10px; }
.subform, .queue-form { margin-top: 16px; padding: 16px; border: 2px solid var(--color-border); border-radius: 8px; background: var(--color-surface-muted); }
.queue-form { border-style: dashed; }
.customer-item, .queue-item, .directory-item, .history-item, .staff-item { margin-top: 12px; padding: 16px; border: 2px solid var(--color-border); border-radius: 8px; background: var(--color-surface); box-shadow: 3px 3px 0 rgba(23,23,23,.9); }
.history-item, .history-item > .queue-name, .history-item > .meta { min-width: 0; }
.history-item > .queue-name, .history-item > .meta { overflow-wrap: anywhere; }
.customer-name, .queue-name, .staff-name { font-size: 1.0625rem; font-weight: 800; overflow-wrap: normal; }
.customer-actions, .queue-actions, .staff-actions, .dialog-actions { display: grid; gap: 8px; margin-top: 12px; }
.queue-actions .danger { margin-top: 4px; }
.status { min-height: 24px; margin: 8px 0 0; font-weight: 600; }
.status.success { color: var(--color-success-text); }
.status.error { color: var(--color-danger-text); }
.panel-divider { margin-top: 24px; padding-top: 20px; border-top: 1px solid var(--color-border); }
.history-filter-disclosure { margin: 12px 0; }
.history-filter-disclosure summary { min-height: 44px; padding: 10px 0; font-weight: 800; cursor: pointer; }
.history-filter-summary { display: inline-flex; margin-left: 8px; padding: 2px 8px; border-radius: 999px; color: #1e3a8a; background: #dbeafe; font-size: .875rem; font-weight: 800; }
.history-tools { display: grid; gap: 10px; margin: 8px 0 12px; }
.history-tools label { display: grid; gap: 6px; margin: 0; font-size: .875rem; }
.history-danger-zone { display: grid; gap: 10px; margin: 20px 0; padding: 16px; border: 1px solid #fca5a5; border-radius: 12px; background: #fff7f7; }
.history-danger-zone h4, .history-danger-zone p { margin: 0; }
.staff-status-filters { display: flex; flex-wrap: wrap; gap: 8px; margin: 12px 0; }
.staff-status-filters button { min-height: 44px; font-size: .875rem; }
.staff-status-filters button.active { color: #fff; background: var(--color-primary); }
.staff-status-filters button.active:hover { color: #fff; background: var(--color-primary); }
.staff-item.archived { background: #f8fafc; opacity: .82; }
.staff-name-row { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.staff-badge { display: inline-flex; align-items: center; min-height: 26px; padding: 3px 8px; border-radius: 999px; color: #334155; background: #e2e8f0; font-size: .75rem; font-weight: 800; }
.staff-badge.active { color: var(--color-success-text); background: var(--color-success-bg); }.staff-badge.pending_setup { color: var(--color-warning-text); background: var(--color-warning-bg); }.staff-badge.suspended { color: var(--color-danger-text); background: var(--color-danger-bg); }.staff-badge.archived { color: #475569; background: #e2e8f0; }.staff-badge.admin { color: #1e40af; background: #dbeafe; }
code { overflow-wrap: anywhere; }
dialog { width: min(92vw, 640px); max-height: 90dvh; padding: 20px; border: 2px solid #171717; border-radius: 12px; box-shadow: 8px 8px 0 #171717; }
dialog::backdrop { background: rgba(15, 23, 42, .48); }

@media (min-width: 768px) {
  .app-shell { padding: 24px; }
  .app-card { display: grid; grid-template-columns: 88px minmax(0, 1fr); min-height: calc(100vh - 48px); }
  .app-navigation { position: sticky; top: 0; height: 100vh; padding: 12px 8px; border-right: 2px solid var(--color-border); border-bottom: 0; }
  .app-brand { justify-content: center; }.app-brand strong { display: none; }.app-brand span { font-size: .75rem; }
  .tabs { grid-template-columns: 1fr; }.tab { display: grid; justify-items: center; gap: 4px; min-height: 64px; font-size: .875rem; }.account-actions { display: grid; gap: 8px; margin-top: auto; }.account-actions .muted { margin: 0; font-size: .875rem; overflow-wrap: anywhere; }
  .app-content { padding: 28px 24px 40px; }
  .search-row { grid-template-columns: minmax(0, 1fr) auto; }.search-row button { min-width: 112px; }
  #customer-results { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 12px; }.customer-item { margin-top: 0; }
  #guest-queue-form { grid-template-columns: 1fr 1fr; max-width: 720px; }.guest-note-field, #guest-queue-form button, #guest-queue-status { grid-column: 1 / -1; }
  .customer-actions, .queue-actions, .staff-actions, .dialog-actions { grid-template-columns: repeat(2, minmax(0, 1fr)); }.queue-actions .danger { margin-top: 0; }
  .history-filter-disclosure summary { display: none; }.history-filter-disclosure { margin: 12px 0; }.history-filter-disclosure[open] .history-tools, .history-filter-disclosure:not([open]) .history-tools { display: grid; }.history-tools { grid-template-columns: repeat(2, minmax(160px, 1fr)) repeat(3, auto); align-items: end; }.history-tools .danger { margin-top: 0; }
  #queue-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }.queue-item { margin-top: 0; }
  .directory-item, .history-item, .staff-item { display: grid; grid-template-columns: minmax(0, 1fr) auto; column-gap: 16px; align-items: center; }.directory-item .customer-actions, .history-item .customer-actions, .staff-item .staff-actions { grid-column: 1 / -1; }
}

@media (min-width: 1200px) {
  .app-card { grid-template-columns: 240px minmax(0, 1fr); }.app-navigation { padding: 24px 16px; }.app-brand { justify-content: space-between; }.app-brand strong { display: block; }.app-brand span { font-size: .8125rem; }
  .tabs { gap: 6px; }.tab { display: flex; justify-content: flex-start; gap: 10px; padding: 10px 12px; text-align: left; font-size: 1rem; }.account-actions .muted { font-size: inherit; }
  .app-content { padding: 32px; }.app-topbar { margin-bottom: 28px; }.app-content > .panel { max-width: 1120px; }
  #customer-results { display: block; }.customer-item { display: grid; grid-template-columns: minmax(200px, 1fr) minmax(160px, 1fr) auto; gap: 12px; align-items: center; }.customer-item .customer-actions { grid-template-columns: repeat(2, minmax(120px, 1fr)); margin: 0; }.customer-item .queue-form { grid-column: 1 / -1; }
  .directory-item, .history-item, .staff-item { grid-template-columns: minmax(180px, 1.4fr) minmax(160px, 1fr) minmax(220px, 1.2fr); }.staff-item .staff-actions { grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); }
  #queue-list { display: block; }.queue-item { display: grid; grid-template-columns: minmax(180px, 1.3fr) minmax(160px, 1fr) minmax(220px, 1.4fr) auto; gap: 8px 16px; align-items: center; }.queue-item .queue-actions { grid-template-columns: repeat(2, minmax(116px, 1fr)); margin: 0; }.queue-item .meta { margin: 0; }
}

@media (max-width: 767px) {
  .tabs { position: fixed; z-index: 4; right: 0; bottom: 0; left: 0; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0; padding: 8px 8px calc(8px + env(safe-area-inset-bottom)); border-top: 2px solid var(--color-border); background: var(--color-surface); box-shadow: 0 -4px 0 rgba(23,23,23,.9); }
  .tab { display: grid; justify-items: center; align-content: center; gap: 3px; min-height: 48px; padding: 4px 2px; border: 0; box-shadow: none; border-radius: 8px; background: transparent; font-size: .875rem; }.nav-icon { font-size: 1.0625rem; }.compact-more-toggle { display: grid; }.account-actions { display: none; }
  dialog { width: 100vw; max-width: none; max-height: 90dvh; margin: auto 0 0; border-radius: 16px 16px 0 0; }
}

@media (prefers-reduced-motion: reduce) { *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; } }

/* r03 DOCX composition: branded canvas remains visible outside semantic cards. */
body { font-family: Prompt, "Noto Sans Thai", system-ui, sans-serif; background: radial-gradient(38rem 38rem at -8% -7%, #FFD100 0 46%, transparent 46.3%), radial-gradient(42rem 42rem at 108% 108%, #A6001F 0 48%, transparent 48.3%), #E4002B; }
h1, h2, h3, h4 { font-family: Kanit, "Noto Sans Thai", system-ui, sans-serif; }
.app-card { background: transparent; border: 0; box-shadow: none; }
#login-card { min-height: 82vh; padding-top: clamp(160px, 28vh, 260px); color: #fff; background: transparent; border: 0; border-radius: 0; box-shadow: none; }
#login-card .subtitle { color: #fff; letter-spacing: .1em; }
#login-card form { margin-top: 30px; padding: 26px 22px; color: #1A1A1A; background: #fff; border-radius: 34px 34px 0 0; }
#login-card button { color: #1A1A1A; background: #FFD100; }

/* DOCX-aligned operational shell: wallpaper remains the composition; cards are semantic islands. */
.app-navigation { position: relative; margin: 12px; padding: 12px 16px; border: 2px solid #1A1A1A; border-radius: 18px; box-shadow: 5px 5px 0 #FFD100; }
.app-brand strong { color: #E4002B; } .app-brand span { color: #A6001F; }
.app-content { padding-top: 10px; } .app-topbar { margin: 12px 8px 20px; padding: 14px 16px; color: #fff; background: rgba(166,0,31,.42); border-radius: 18px; backdrop-filter: blur(8px); }
.app-topbar .eyebrow { color: #FFD100; } .app-topbar h2 { color: #fff; }
.panel { padding: 18px; border-radius: 22px; background: rgba(255,255,255,.96); box-shadow: 8px 8px 0 #A6001F; }
.search-overlay { position: sticky; top: 12px; z-index: 3; padding: 10px; border: 2px solid #1A1A1A; border-radius: 18px; background: rgba(255,255,255,.98); box-shadow: 5px 5px 0 #FFD100; }
#customer-results { position: relative; z-index: 4; } #customer-results .customer-item { border-radius: 16px; box-shadow: 4px 4px 0 #FFD100; }
dialog { background: #fff; } dialog::backdrop { background: rgba(26,26,26,.6); backdrop-filter: blur(6px); }
dialog button:not(.secondary):not(.danger) { color: #1A1A1A; background: #FFD100; }
@media (max-width: 767px) { .app-shell { padding: 8px; } .app-navigation { margin: 0; border: 0; border-radius: 0; box-shadow: none; background: transparent; } .app-brand { color:#fff; } .app-brand strong,.app-brand span { color:#fff; } .app-topbar { display: block; margin: 4px 4px 16px; background: transparent; backdrop-filter:none; } .panel { margin-bottom: 86px; } .tabs { background: #fff; } .tab.active { color:#1A1A1A; background:#FFD100; } .compact-more-menu { bottom: 82px; } }

/* r04: structural branded shell.  The navigation and action bar are siblings, never a sidebar. */
.visually-hidden { position:absolute!important; width:1px!important; height:1px!important; padding:0!important; margin:-1px!important; overflow:hidden!important; clip:rect(0,0,0,0)!important; white-space:nowrap!important; border:0!important; }
.app-shell { width:min(100%, 1180px); padding:clamp(12px, 2vw, 28px); }
.app-card { display:block !important; min-height:calc(100vh - 24px); padding:0; background:transparent; border:0; box-shadow:none; }
.login-hero { width:min(100%, 440px); margin:0 auto; text-align:center; }
#login-card { width:min(100%, 480px); min-height:100vh; margin:0 auto; padding:clamp(70px, 14vh, 140px) 0 0; color:#fff; }
#login-card h1 { margin:12px 0 6px; color:#fff; font-size:clamp(2rem, 7vw, 3rem); font-weight:800; line-height:1.15; }
.brand-badge { display:grid; place-items:center; width:86px; height:86px; margin:0 auto; border:3px solid #1A1A1A; border-radius:50%; color:#1A1A1A; background:#FFD100; box-shadow:7px 7px 0 #A6001F; font-size:2.4rem; }
.brand-kicker { margin:16px 0 0; color:#FFD100; font:700 .75rem/1 Prompt, sans-serif; letter-spacing:.2em; }
#login-card .subtitle { margin:0; color:#fff; font-size:.8rem; font-weight:700; letter-spacing:.14em; }
.login-sheet { min-height:42vh; margin-top:36px; padding:34px clamp(22px, 7vw, 44px) calc(32px + env(safe-area-inset-bottom)); color:#1A1A1A; background:#fff; border:2px solid #1A1A1A; border-bottom:0; border-radius:44px 44px 0 0; box-shadow:8px 0 0 #FFD100; }
#login-card form { margin:0; padding:0; background:transparent; border-radius:0; }
#login-card button { color:#1A1A1A; background:#FFD100; }
.branded-topbar { position:relative; display:grid; grid-template-columns:auto minmax(0,1fr) auto; align-items:center; gap:12px; margin:0 0 12px; padding:12px 14px; color:#fff; background:rgba(166,0,31,.72); border:2px solid #1A1A1A; border-radius:22px; box-shadow:7px 7px 0 #FFD100; backdrop-filter:blur(9px); }
.hamburger { display:grid; place-items:center; width:48px; min-height:48px; padding:0; color:#1A1A1A; background:#FFD100; font-size:1.45rem; line-height:1; }
.app-brand { display:flex; align-items:center; gap:10px; min-width:0; }
.app-brand strong,.app-brand span { display:block; color:#fff; overflow-wrap:anywhere; }.app-brand strong { font-family:Kanit,"Noto Sans Thai",sans-serif; font-size:clamp(.92rem,2vw,1.2rem); }.app-brand span { margin-top:1px; color:#FFD100; font:700 .63rem/1.2 Prompt,sans-serif; letter-spacing:.1em; }
.small-badge { flex:none; width:42px; height:42px; margin:0; box-shadow:3px 3px 0 #1A1A1A; font-size:1.2rem; }
.staff-identity { display:grid; justify-items:end; min-width:0; text-align:right; }.staff-identity strong { max-width:18ch; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }.staff-identity span { color:#FFD100; font-size:.7rem; font-weight:800; letter-spacing:.08em; }
.primary-actions { position:sticky; z-index:6; bottom:10px; display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:8px; width:min(620px,100%); margin:0 auto 16px; padding:9px; border:2px solid #1A1A1A; border-radius:20px; background:rgba(228,0,43,.82); box-shadow:5px 5px 0 #A6001F; backdrop-filter:blur(9px); }
.primary-actions .tab { display:grid; place-items:center; gap:3px; min-height:60px; padding:7px 5px; color:#1A1A1A; border:2px solid #1A1A1A; border-radius:13px; background:#fff; box-shadow:3px 3px 0 #1A1A1A; font-size:.78rem; }.primary-actions .tab.active { color:#1A1A1A; background:#FFD100; }.primary-actions .nav-icon { font-size:1.2rem; }
.app-content { padding:0 0 calc(100px + env(safe-area-inset-bottom)); }.app-content > .panel { max-width:none; margin:0; padding:clamp(18px,3vw,30px); border:2px solid #1A1A1A; border-radius:25px; background:rgba(255,255,255,.98); box-shadow:9px 9px 0 #A6001F; }
.compact-more-menu { position:absolute; z-index:20; top:calc(100% + 10px); right:0; bottom:auto; display:grid; width:min(300px,calc(100vw - 28px)); padding:12px; border:2px solid #1A1A1A; border-radius:18px; background:#fff; box-shadow:7px 7px 0 #FFD100; }.compact-more-menu button { color:#1A1A1A; background:#fff; text-align:left; }.compact-more-menu button:hover { background:#FFD100; }
.search-overlay { position:sticky; top:10px; z-index:4; display:block; margin:16px 0 8px; padding:12px; border:2px solid #1A1A1A; border-radius:18px; background:#fff; box-shadow:5px 5px 0 #FFD100; }.search-overlay input { margin:0; border-radius:12px; }.search-empty { margin-top:16px; padding:24px 18px; border:2px dashed #A6001F; border-radius:16px; color:#A6001F; background:#fff7f8; text-align:center; }
#customer-results { display:grid; grid-template-columns:repeat(auto-fit,minmax(260px,1fr)); gap:14px; }.customer-item { margin:0; padding:18px; border:2px solid #1A1A1A; border-radius:18px; background:#fff; box-shadow:5px 5px 0 #FFD100; }.customer-actions { margin-top:14px; }
.queue-dialog { width:min(94vw,540px); max-height:min(88dvh,720px); margin:auto; padding:0; color:#1A1A1A; border:2px solid #1A1A1A; border-radius:25px; background:#fff; box-shadow:10px 10px 0 #FFD100; }.queue-dialog form { padding:22px; }.dialog-heading { display:flex; align-items:flex-start; justify-content:space-between; gap:16px; }.dialog-heading h3 { margin:0; }.close-dialog { display:grid; place-items:center; width:40px; min-height:40px; padding:0; color:#1A1A1A; background:#fff; font-size:1.6rem; }.queue-dialog::backdrop, dialog::backdrop { background:rgba(26,26,26,.64); backdrop-filter:blur(7px); }
@media (min-width:768px) { .app-shell{padding:30px;} .primary-actions{position:relative; bottom:auto; margin:0 auto 24px;} .app-content{padding-bottom:36px;} .primary-actions .tab{min-height:64px;font-size:.92rem;} .branded-topbar{padding:15px 18px;} .app-content > .panel{padding:32px;} .queue-dialog form{padding:30px;} }
@media (max-width:480px) { .branded-topbar{grid-template-columns:auto minmax(0,1fr);}.staff-identity{display:none;}.brand-badge{width:76px;height:76px;font-size:2rem;}.small-badge{width:40px;height:40px;font-size:1.1rem;}.primary-actions{bottom:6px;border-radius:16px;}.primary-actions .nav-label{font-size:.7rem;} }