/* Flatline Mail Operations admin UI.
   Ink/paper/safety-orange shop-poster language, square corners, flat surfaces.
   Desktop: fixed 180px left rail + fluid content; <=780px: horizontal nav.
   Fonts are self-hosted (vendored under static/fonts); no CDN at runtime. */
@font-face {
	font-family: "Archivo";
	src: url("/admin/assets/fonts/Archivo-Variable.ttf") format("truetype");
	font-weight: 100 900;
	font-display: swap;
}
@font-face {
	font-family: "Archivo Black";
	src: url("/admin/assets/fonts/ArchivoBlack-Regular.ttf") format("truetype");
	font-weight: 400;
	font-style: normal;
	font-display: swap;
}
@font-face {
	font-family: "JetBrains Mono";
	src: url("/admin/assets/fonts/JetBrainsMono-Variable.ttf") format("truetype");
	font-weight: 100 800;
	font-display: swap;
}
:root {
	--ink: #0e0e0e;
	--paper: #f1ece1;
	--paper-deep: #e6dfcd;
	--muted: #645e52;
	--accent: #d83a13;
	--accent-soft: #f6d9cc;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
	margin: 0;
	background: var(--paper);
	color: var(--ink);
	font-family: Archivo, Arial, sans-serif;
	font-size: 14px;
	line-height: 1.4;
}
a { color: var(--ink); }
a:hover { color: var(--accent); }
h1, h2, h3 { font-family: "Archivo Black", Archivo, sans-serif; letter-spacing: -0.02em; text-transform: uppercase; }
.mono { font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace; text-transform: uppercase; letter-spacing: 0.09em; }

button, input, select, textarea {
	border: 2px solid var(--ink);
	border-radius: 0;
	background: var(--paper);
	color: var(--ink);
	font: inherit;
	padding: 7px 9px;
}
button {
	background: var(--ink);
	color: var(--paper);
	min-height: 38px;
	padding: 0 14px;
	font: 700 10px "JetBrains Mono", ui-monospace, monospace;
	letter-spacing: 0.1em;
	text-transform: uppercase;
	cursor: pointer;
}
button.secondary { background: var(--paper); color: var(--ink); }
.button-link { display: inline-grid; place-items: center; min-height: 38px; padding: 0 14px; border: 2px solid var(--ink); background: var(--ink); color: var(--paper); font: 700 10px "JetBrains Mono", monospace; letter-spacing: .1em; text-transform: uppercase; text-decoration: none; }
.button-link.secondary { background: var(--paper); color: var(--ink); }
button.danger { background: var(--accent); border-color: var(--accent); }
button:disabled { opacity: 0.45; cursor: not-allowed; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }
@media (prefers-reduced-motion: reduce) {
	* { scroll-behavior: auto !important; transition: none !important; animation: none !important; }
}

/* Shell */
.shell { border: 3px solid var(--ink); background: var(--paper); min-height: 100vh; }
.shell header {
	display: flex; justify-content: space-between; align-items: center;
	min-height: 72px; padding: 14px 20px; border-bottom: 4px solid var(--ink);
}
.brand { display: flex; align-items: baseline; gap: 12px; font-family: "Archivo Black", sans-serif; font-size: 24px; letter-spacing: -0.04em; }
.brand span { color: var(--accent); font: 700 10px "JetBrains Mono", monospace; letter-spacing: 0.15em; text-transform: uppercase; }
.session { color: var(--muted); font: 700 9px "JetBrains Mono", monospace; letter-spacing: 0.1em; text-transform: uppercase; display: flex; gap: 14px; align-items: center; }
.session form { display: inline; }
.shell-grid { display: grid; grid-template-columns: 180px 1fr; min-height: calc(100vh - 79px); }
.shell nav { border-right: 2px solid var(--ink); padding: 22px 0; background: var(--paper-deep); }
.shell nav .nav-label { padding: 0 17px 9px; color: var(--muted); font: 700 8px "JetBrains Mono", monospace; letter-spacing: 0.17em; text-transform: uppercase; }
.shell nav a {
	display: block; padding: 12px 17px; color: var(--ink); text-decoration: none;
	font: 700 10px "JetBrains Mono", monospace; letter-spacing: 0.1em; text-transform: uppercase;
	border-left: 6px solid transparent;
}
.shell nav a.active { border-left-color: var(--accent); background: var(--paper); }
.shell main { padding: 24px 26px 28px; min-width: 0; }
.skip-link { position: absolute; left: -9999px; top: 0; background: var(--accent); color: var(--paper); padding: 8px 12px; z-index: 100; }
.skip-link:focus { left: 0; }

/* Page chrome */
.title-row { display: flex; justify-content: space-between; align-items: end; gap: 20px; margin-bottom: 20px; flex-wrap: wrap; }
.eyebrow { color: var(--accent); font: 700 9px "JetBrains Mono", monospace; letter-spacing: 0.2em; text-transform: uppercase; margin-bottom: 5px; }
.page-title { margin: 0; font-size: 37px; line-height: 0.95; letter-spacing: -0.045em; }

/* Metrics */
.metrics { display: grid; grid-template-columns: repeat(4, 1fr); border: 2px solid var(--ink); margin-bottom: 20px; }
.metric { padding: 14px; border-right: 1px solid var(--ink); }
.metric:last-child { border-right: 0; }
.metric small { display: block; color: var(--muted); font: 700 8px "JetBrains Mono", monospace; letter-spacing: 0.12em; text-transform: uppercase; margin-bottom: 7px; }
.metric strong { font-family: "Archivo Black", sans-serif; font-size: 27px; line-height: 1; }
.metric.alert strong { color: var(--accent); }

/* Panels */
.panel-grid { display: grid; grid-template-columns: minmax(0, 1.45fr) minmax(230px, 0.75fr); gap: 18px; }
.panel { border-top: 5px solid var(--ink); background: var(--paper-deep); padding: 15px; }
.panel.warn { border-top-color: var(--accent); }
.panel-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; border-bottom: 1px dashed var(--muted); padding-bottom: 10px; margin-bottom: 5px; }
.panel h2 { margin: 0; font-size: 15px; }
.panel a.more { color: var(--ink); font: 700 8px "JetBrains Mono", monospace; letter-spacing: 0.1em; text-transform: uppercase; }

.row { display: grid; grid-template-columns: 72px 1fr 86px 64px; gap: 10px; align-items: center; padding: 10px 0; border-bottom: 1px solid rgba(14, 14, 14, 0.14); font-size: 11px; }
.row:last-child { border-bottom: 0; }
.row .kind, .row .time { color: var(--muted); font: 700 8px "JetBrains Mono", monospace; text-transform: uppercase; }
.status { justify-self: start; padding: 4px 5px; background: var(--ink); color: var(--paper); font: 700 7px "JetBrains Mono", monospace; letter-spacing: 0.07em; text-transform: uppercase; }
.status.failed { background: var(--accent); }
.status.queued, .status.sending { background: var(--muted); }
.campaign { padding: 11px 0; border-bottom: 1px solid rgba(14, 14, 14, 0.16); }
.campaign:last-child { border-bottom: 0; }
.campaign strong { display: block; font-size: 12px; margin-bottom: 4px; }
.campaign span { color: var(--muted); font: 700 8px "JetBrains Mono", monospace; text-transform: uppercase; letter-spacing: 0.07em; }

/* Tables */
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 9px 10px; border-bottom: 1px solid rgba(14, 14, 14, 0.14); font-size: 12px; vertical-align: top; }
th { font: 700 9px "JetBrains Mono", monospace; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); border-bottom: 2px solid var(--ink); }
td a { text-decoration: none; }
td a:hover { text-decoration: underline; }

/* Forms */
form .field { display: grid; gap: 5px; margin-bottom: 14px; }
form label { font: 700 9px "JetBrains Mono", monospace; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); }
form input, form select, form textarea { width: 100%; }
form textarea { min-height: 120px; font-family: "JetBrains Mono", monospace; font-size: 12px; }
form .help { color: var(--muted); font-size: 11px; }
form .error { color: var(--accent); font: 700 9px "JetBrains Mono", monospace; text-transform: uppercase; letter-spacing: 0.05em; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 8px; }
.banner { border: 2px solid var(--ink); padding: 12px 14px; margin-bottom: 18px; background: var(--paper-deep); }
.banner.error { border-color: var(--accent); color: var(--accent); }
.banner.success { border-color: var(--ink); }

/* Class editor */
.editor-head, .section-title { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.editor-head h1 { margin-top: 0; }
.publish-state { border: 2px solid var(--ink); padding: 7px 10px; font: 700 9px "JetBrains Mono", monospace; letter-spacing: .08em; text-transform: uppercase; }
.publish-state.draft { border-color: var(--accent); color: var(--accent); }
.source-picker { display: grid; grid-template-columns: minmax(260px,1fr) auto auto; gap: 16px; align-items: end; border: 2px dashed var(--muted); padding: 14px; margin-bottom: 18px; }
.source-picker .field { margin: 0; }
.inline-choice { display: flex; gap: 12px; border: 0; padding: 0 0 7px; margin: 0; }
.inline-choice legend { color: var(--muted); font: 700 9px "JetBrains Mono", monospace; text-transform: uppercase; }
.inline-choice label, .check { display: flex; align-items: center; gap: 7px; color: var(--ink); }
.inline-choice input, .check input { width: auto; }
.class-editor { display: grid; gap: 18px; padding-bottom: 78px; }
.editor-section { border-top: 5px solid var(--ink); background: var(--paper-deep); padding: 16px; }
.editor-section h2 { margin: 0 0 16px; font-size: 18px; }
.active-check { align-self: center; padding: 14px; border: 2px solid var(--ink); }
.session-list { display: grid; gap: 9px; }
.session-row { display: grid; grid-template-columns: 1.05fr .75fr .75fr 1.35fr .45fr .55fr 38px; gap: 8px; align-items: end; border-bottom: 1px dashed var(--muted); padding-bottom: 9px; }
.session-row .field { margin: 0; }
.row-remove { padding: 0; font-size: 18px; }
.bullet-row { display: grid; grid-template-columns: 1fr 38px; gap: 8px; margin-bottom: 8px; }
.bullet-row button { padding: 0; }
.note-field { margin-top: 14px; }
.manual-attendee { display: grid; grid-template-columns: 1.2fr .35fr 1fr; gap: 10px; padding: 10px 0; border-bottom: 1px dashed var(--muted); }
.manual-attendee .field { margin: 0; }
.editor-actions { position: sticky; bottom: 0; z-index: 5; display: flex; gap: 10px; padding: 12px; border: 2px solid var(--ink); background: var(--paper); box-shadow: 0 -5px 0 rgba(14,14,14,.12); }
.post-editor-actions { display: flex; align-items: center; gap: 16px; margin-top: -54px; position: relative; z-index: 6; justify-content: flex-end; padding-right: 12px; }
.stale { color: var(--accent); font: 700 9px "JetBrains Mono", monospace; text-transform: uppercase; letter-spacing: 0.1em; }

/* Filters */
.filters { display: flex; flex-wrap: wrap; gap: 10px; align-items: end; margin-bottom: 18px; padding: 12px; border: 2px solid var(--ink); background: var(--paper-deep); }
.filters .field { margin: 0; min-width: 130px; }
.pagination { display: flex; justify-content: flex-end; margin-top: 16px; }

/* Booking calendar */
.booking-calendar { margin: 0 0 24px; border: 2px solid var(--ink); background: var(--paper-deep); }
.calendar-head { display: flex; align-items: center; justify-content: space-between; padding: 10px 14px; border-bottom: 2px solid var(--ink); }
.calendar-head h2 { margin: 0; font-size: 18px; }
.calendar-nav { display: grid; place-items: center; width: 38px; height: 34px; border: 2px solid var(--ink); color: var(--ink); font: 700 20px/1 "JetBrains Mono", monospace; text-decoration: none; }
.calendar-nav:hover { background: var(--ink); color: var(--paper); }
.calendar-scroll { overflow-x: auto; }
.calendar-table { min-width: 700px; table-layout: fixed; border-collapse: separate; border-spacing: 0; }
.calendar-table th { width: 14.285%; padding: 8px; border-right: 1px solid var(--ink); border-bottom: 2px solid var(--ink); background: var(--paper); text-align: center; }
.calendar-table th:last-child { border-right: 0; }
.calendar-table td { border-right: 1px solid rgba(14,14,14,.22); border-bottom: 1px solid rgba(14,14,14,.22); }
.calendar-table td:last-child { border-right: 0; }
.calendar-table tbody tr:last-child td { border-bottom: 0; }
.calendar-day { height: 112px; padding: 7px; overflow: hidden; background: var(--paper-deep); }
.calendar-day.outside-month { color: var(--muted); background: rgba(0,0,0,.035); }
.calendar-day time { display: block; margin-bottom: 7px; font: 700 11px "JetBrains Mono", monospace; text-align: right; }
.calendar-registration { display: flex; align-items: center; justify-content: space-between; gap: 5px; margin: 4px 0; padding: 4px 5px; border-left: 3px solid var(--accent); background: var(--paper); color: var(--ink); font-size: 10px; line-height: 1.2; text-decoration: none; }
.calendar-registration:hover { color: var(--accent); text-decoration: underline; }
.calendar-class { min-width: 0; overflow-wrap: anywhere; }
.calendar-count { flex: 0 0 auto; min-width: 20px; padding: 2px 4px; background: var(--accent); color: var(--paper); font: 700 9px "JetBrains Mono", monospace; text-align: center; }
.calendar-note { margin: 0; padding: 9px 10px; color: var(--muted); font-size: 11px; border-top: 1px dashed var(--muted); }

/* Login */
.login-wrap { display: flex; align-items: center; justify-content: center; min-height: 100vh; padding: 24px; }
.login-card { width: 100%; max-width: 380px; border: 3px solid var(--ink); background: var(--paper); }
.login-card header { border-bottom: 4px solid var(--ink); padding: 18px 20px; }
.login-card .body { padding: 22px 20px; }
.login-card .body .field:last-of-type { margin-bottom: 18px; }

/* Email preview iframe */
iframe.preview { width: 100%; min-height: 360px; border: 2px solid var(--ink); background: #fff; }

@media (max-width: 780px) {
	.shell-grid { grid-template-columns: 1fr; }
	.shell nav { border-right: 0; border-bottom: 2px solid var(--ink); display: flex; padding: 0; overflow: auto; }
	.shell nav .nav-label { display: none; }
	.shell nav a { border-left: 0; border-bottom: 5px solid transparent; white-space: nowrap; }
	.shell nav a.active { border-bottom-color: var(--accent); }
	.metrics { grid-template-columns: repeat(2, 1fr); }
	.metric:nth-child(2) { border-right: 0; }
	.metric:nth-child(-n+2) { border-bottom: 1px solid var(--ink); }
	.panel-grid { grid-template-columns: 1fr; }
	.form-grid { grid-template-columns: 1fr; }
	.source-picker { grid-template-columns: 1fr; }
	.session-row { grid-template-columns: 1fr 1fr; border: 2px solid rgba(14,14,14,.25); padding: 10px; }
	.manual-attendee { grid-template-columns: 1fr; }
	.row-remove { grid-column: 2; justify-self: end; width: 38px; }
	.post-editor-actions { margin-top: 12px; justify-content: flex-start; }
	.shell main { padding: 18px 14px; }
	.page-title { font-size: 29px; }
}

/* Waitlist actions, roster, and dashboard */
.waitlist-actions { display: flex; gap: 6px; flex-wrap: wrap; align-items: center; }
.waitlist-actions form { margin: 0; }
.dash-section { margin-bottom: 28px; }
.dash-section h2 { margin-bottom: 10px; }
.inactive-session { opacity: .55; }
.roster-actions { display: flex; gap: 8px; align-items: center; }
.checkin-col { width: 52px; text-align: center; }
.checkin-box { display: inline-block; width: 18px; height: 18px; border: 2px solid var(--ink); vertical-align: middle; }

@media print {
	.shell header, .shell nav, .skip-link, .roster-actions, .banner, .calendar-note a { display: none !important; }
	.shell-grid { display: block; }
	.shell main { padding: 0; }
	.roster-table a { text-decoration: none; color: inherit; }
	body { background: #fff; }
}

/* Pager, seat context, waitlist alert */
.pager { display: flex; gap: 12px; align-items: center; margin-top: 16px; }
.pager-page { font: 700 10px "JetBrains Mono", monospace; letter-spacing: .1em; text-transform: uppercase; }
.seat-context-value { display: inline-grid; place-items: center; min-height: 38px; font: 700 12px "JetBrains Mono", monospace; white-space: nowrap; }
.waitlist-alert { color: var(--accent); font-weight: 700; }