/* ToolSphare Email admin portal. No inline styles are used anywhere (strict CSP). */
:root {
  --bg: #f3f5f7;
  --surface: #ffffff;
  --surface-alt: #f8f9fb;
  --border: #d8dee6;
  --text: #1b2430;
  --muted: #5a6676;
  --nav-bg: #18232f;
  --nav-text: #c9d3de;
  --nav-active: #ffffff;
  --primary: #0e5a8a;
  --primary-hover: #0a4768;
  --ok: #1d7a46;       --ok-bg: #e5f4ec;
  --warn: #8a5a00;     --warn-bg: #fdf1d6;
  --bad: #b3261e;      --bad-bg: #fbe4e2;
  --pending: #345a85;  --pending-bg: #e4edf8;
  --muted-bg: #eceff3;
  --radius: 6px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
}

* { box-sizing: border-box; }
html { font-size: 15px; }
body { margin: 0; font-family: var(--font); background: var(--bg); color: var(--text); line-height: 1.5; }
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 1.5rem; margin: 0 0 .25rem; }
h2 { font-size: 1.1rem; margin: 0 0 .75rem; }
h3 { font-size: 1rem; margin: 0 0 .5rem; }
p { margin: 0 0 .75rem; }
code, .mono { font-family: var(--mono); font-size: .9em; }
.muted { color: var(--muted); }
.small { font-size: .85rem; }
.right { text-align: right; }

/* layout */
.shell { display: flex; min-height: 100vh; }
.sidebar { width: 230px; background: var(--nav-bg); color: var(--nav-text); padding: 1.25rem 0; flex-shrink: 0; display: flex; flex-direction: column; }
.brand { padding: 0 1.25rem 1.25rem; font-weight: 700; font-size: 1.05rem; color: #fff; letter-spacing: .2px; border-bottom: 1px solid #2a3846; margin-bottom: .75rem; }
.brand small { display: block; font-weight: 400; color: #8fa0b2; font-size: .75rem; }
.nav a { display: block; padding: .55rem 1.25rem; color: var(--nav-text); border-left: 3px solid transparent; }
.nav a:hover { background: #20303f; text-decoration: none; color: #fff; }
.nav a.active { color: var(--nav-active); border-left-color: #4aa3d8; background: #20303f; }
.sidebar .user { margin-top: auto; padding: 1rem 1.25rem 0; border-top: 1px solid #2a3846; font-size: .85rem; }
.sidebar .user .role { color: #8fa0b2; }
.main { flex: 1; padding: 1.75rem 2rem 3rem; min-width: 0; max-width: 1200px; }
.page-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem; margin-bottom: 1.25rem; flex-wrap: wrap; }
.actions { display: flex; gap: .5rem; flex-wrap: wrap; align-items: center; }

/* cards & grids */
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.1rem 1.25rem; margin-bottom: 1.1rem; }
.grid { display: grid; gap: 1rem; margin-bottom: 1.1rem; }
.grid.cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid.cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid.cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.stat { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: .9rem 1.1rem; }
.stat .label { color: var(--muted); font-size: .8rem; text-transform: uppercase; letter-spacing: .04em; }
.stat .value { font-size: 1.8rem; font-weight: 650; line-height: 1.2; }
.stat .sub { color: var(--muted); font-size: .8rem; }
.stat.bad .value { color: var(--bad); }
.stat.ok .value { color: var(--ok); }
@media (max-width: 980px) {
  .grid.cols-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid.cols-3, .grid.cols-2 { grid-template-columns: 1fr; }
  .shell { flex-direction: column; }
  .sidebar { width: 100%; flex-direction: row; flex-wrap: wrap; padding: .5rem; align-items: center; }
  .brand { border: 0; margin: 0; padding: .5rem 1rem; }
  .nav { display: flex; flex-wrap: wrap; }
  .nav a { border-left: 0; padding: .5rem .75rem; }
  .sidebar .user { margin: 0 0 0 auto; border: 0; padding: .5rem 1rem; }
  .main { padding: 1.25rem 1rem 2rem; }
}

/* tables */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; background: var(--surface); }
th, td { text-align: left; padding: .6rem .75rem; border-bottom: 1px solid var(--border); vertical-align: middle; }
th { font-size: .78rem; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); background: var(--surface-alt); white-space: nowrap; }
tr:last-child td { border-bottom: 0; }
tbody tr:hover { background: #fafbfc; }
.card table { margin: 0; }
.kv { display: grid; grid-template-columns: 190px 1fr; gap: .45rem 1rem; margin: 0; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; word-break: break-word; }

/* badges */
.badge { display: inline-block; padding: .12rem .55rem; border-radius: 999px; font-size: .78rem; font-weight: 600; border: 1px solid transparent; white-space: nowrap; }
.badge.ok { color: var(--ok); background: var(--ok-bg); border-color: #bfe3cf; }
.badge.warn { color: var(--warn); background: var(--warn-bg); border-color: #f0d9a0; }
.badge.bad { color: var(--bad); background: var(--bad-bg); border-color: #f1bbb7; }
.badge.pending { color: var(--pending); background: var(--pending-bg); border-color: #c3d5ec; }
.badge.muted { color: var(--muted); background: var(--muted-bg); border-color: var(--border); }
.badge.unknown { color: var(--muted); background: var(--muted-bg); border-color: var(--border); }

/* forms */
label { display: block; font-weight: 600; margin-bottom: .25rem; font-size: .9rem; }
input[type=text], input[type=email], input[type=password], input[type=number], select, textarea {
  width: 100%; padding: .55rem .65rem; border: 1px solid #b9c3cf; border-radius: var(--radius); background: #fff; color: var(--text); font: inherit;
}
input:focus, select:focus, textarea:focus { outline: 2px solid #8dbbdb; border-color: var(--primary); }
textarea { min-height: 80px; resize: vertical; }
.field { margin-bottom: 1rem; }
.field .hint { color: var(--muted); font-size: .82rem; margin-top: .2rem; }
.field .error, .error-text { color: var(--bad); font-size: .85rem; margin-top: .25rem; }
.input-error { border-color: var(--bad) !important; }
.inline-fields { display: flex; gap: .5rem; align-items: center; }
.inline-fields .at { color: var(--muted); }
.check { display: flex; align-items: center; gap: .5rem; font-weight: 400; margin-bottom: .3rem; }
.check input { width: auto; }
.filters { display: flex; gap: .6rem; flex-wrap: wrap; align-items: flex-end; margin-bottom: 1rem; }
.filters .field { margin: 0; min-width: 160px; }
.filters .grow { flex: 1; min-width: 220px; }

/* buttons */
.btn { display: inline-block; padding: .5rem .95rem; border-radius: var(--radius); border: 1px solid var(--primary); background: var(--primary); color: #fff; font: inherit; font-weight: 600; cursor: pointer; text-decoration: none; }
.btn:hover { background: var(--primary-hover); text-decoration: none; }
.btn.secondary { background: #fff; color: var(--primary); }
.btn.secondary:hover { background: #eef5fa; }
.btn.danger { background: var(--bad); border-color: var(--bad); }
.btn.danger:hover { background: #8f1d17; }
.btn.warn { background: #fff; color: var(--warn); border-color: #d8b25a; }
.btn.small { padding: .3rem .65rem; font-size: .85rem; }
form.inline { display: inline; }

/* alerts */
.alert { padding: .75rem 1rem; border-radius: var(--radius); border: 1px solid; margin-bottom: 1rem; }
.alert.success { color: var(--ok); background: var(--ok-bg); border-color: #bfe3cf; }
.alert.error { color: var(--bad); background: var(--bad-bg); border-color: #f1bbb7; }
.alert.warning { color: var(--warn); background: var(--warn-bg); border-color: #f0d9a0; }
.alert.info { color: var(--pending); background: var(--pending-bg); border-color: #c3d5ec; }
.secret-link { display: block; margin-top: .5rem; padding: .6rem .75rem; background: #fff; border: 1px dashed #8a5a00; border-radius: var(--radius); font-family: var(--mono); font-size: .85rem; word-break: break-all; color: var(--text); user-select: all; }
.notice { background: var(--surface-alt); border-left: 3px solid var(--primary); padding: .65rem .9rem; margin-bottom: 1rem; border-radius: 0 var(--radius) var(--radius) 0; font-size: .9rem; }
.danger-zone { border-color: #e6b4b0; }
.danger-zone h2 { color: var(--bad); }

progress { width: 100%; height: .6rem; accent-color: var(--primary); }
.pagination-wrap { margin-top: 1rem; }
.pagination-wrap nav { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: .5rem; }
.pagination-wrap svg { width: 1rem; height: 1rem; }
.pagination-wrap a, .pagination-wrap span[aria-current] > span, .pagination-wrap span[aria-disabled] > span { padding: .25rem .6rem; border: 1px solid var(--border); background: #fff; border-radius: 4px; display: inline-block; }
.pagination-wrap p { margin: 0; color: var(--muted); font-size: .85rem; }

/* guest */
.guest { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 1.5rem; }
.guest .panel { width: 100%; max-width: 420px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.75rem; }
.guest .panel h1 { margin-bottom: .25rem; }
.guest .logo { font-weight: 700; color: var(--nav-bg); margin-bottom: 1rem; }
.guest .logo small { display: block; font-weight: 400; color: var(--muted); }

/* ------------------------------------------------------------------ copy-friendly values */
.copy { user-select: all; cursor: text; background: var(--surface-alt); border: 1px solid var(--border); border-radius: 4px; padding: 0 .3rem; word-break: break-all; }

/* ------------------------------------------------------------------ numbered steps */
.steps { counter-reset: step; list-style: none; margin: 0 0 1rem; padding: 0; }
.steps > li { counter-increment: step; position: relative; padding: .55rem 0 .55rem 2.6rem; border-bottom: 1px solid var(--border); }
.steps > li:last-child { border-bottom: 0; }
.steps > li::before { content: counter(step); position: absolute; left: 0; top: .5rem; width: 1.75rem; height: 1.75rem; border-radius: 50%; background: var(--primary); color: #fff; font-weight: 700; font-size: .85rem; display: flex; align-items: center; justify-content: center; }

/* ------------------------------------------------------------------ callout boxes */
.callout { padding: .7rem .95rem; border-radius: var(--radius); border: 1px solid; border-left-width: 4px; margin: 0 0 1rem; font-size: .92rem; }
.callout.tip { color: var(--pending); background: var(--pending-bg); border-color: #c3d5ec; }
.callout.warn { color: var(--warn); background: var(--warn-bg); border-color: #f0d9a0; }
.callout.danger { color: var(--bad); background: var(--bad-bg); border-color: #f1bbb7; }
.callout a { color: inherit; text-decoration: underline; }

/* ------------------------------------------------------------------ settings table */
table.settings th[scope=row] { background: var(--surface-alt); text-transform: none; letter-spacing: 0; font-size: .85rem; color: var(--text); width: 150px; }
table.settings td { word-break: break-word; }
.card.flat { box-shadow: none; background: var(--surface-alt); }

/* ------------------------------------------------------------------ CSS-only tabs (:target) */
.setup .tabs { display: flex; flex-wrap: wrap; gap: .25rem; border-bottom: 2px solid var(--border); margin-bottom: 1.1rem; }
.setup .tabs a { padding: .5rem .85rem; border: 1px solid transparent; border-bottom: 0; border-radius: var(--radius) var(--radius) 0 0; color: var(--muted); font-weight: 600; font-size: .9rem; margin-bottom: -2px; }
.setup .tabs a:hover { background: var(--surface-alt); color: var(--text); text-decoration: none; }
.setup .panel { display: none; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.1rem 1.35rem; margin-bottom: 1.1rem; }
.setup .panel:target { display: block; }
/* Overview is the default until another panel is targeted. */
.setup:not(:has(.panel:target)) #overview { display: block; }
/* Highlight the active tab. */
.setup:not(:has(.panel:target)) .tabs a[href="#overview"],
.setup:has(#overview:target) .tabs a[href="#overview"],
.setup:has(#gmail-android:target) .tabs a[href="#gmail-android"],
.setup:has(#gmail-ios:target) .tabs a[href="#gmail-ios"],
.setup:has(#outlook-android:target) .tabs a[href="#outlook-android"],
.setup:has(#outlook-ios:target) .tabs a[href="#outlook-ios"],
.setup:has(#apple-mail:target) .tabs a[href="#apple-mail"],
.setup:has(#thunderbird:target) .tabs a[href="#thunderbird"],
.setup:has(#windows:target) .tabs a[href="#windows"],
.setup:has(#webmail:target) .tabs a[href="#webmail"],
.setup:has(#security:target) .tabs a[href="#security"],
.setup:has(#troubleshooting:target) .tabs a[href="#troubleshooting"] { background: var(--surface); border-color: var(--border); color: var(--primary); }
.faq dt { font-weight: 650; margin-top: .85rem; }
.faq dd { margin: .2rem 0 0; color: var(--text); }

/* ------------------------------------------------------------------ security pages */
.qr-card { text-align: center; }
.qr { background: #fff; padding: .6rem; border: 1px solid var(--border); border-radius: var(--radius); max-width: 100%; height: auto; }
.recovery-codes { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .5rem 1.5rem; max-width: 460px; }
.recovery-codes li { font-size: 1.1rem; letter-spacing: .08em; padding: .35rem .6rem; border: 1px dashed #8a5a00; border-radius: var(--radius); background: #fff; user-select: all; }
.inline-form { max-width: 360px; }
details summary { cursor: pointer; color: var(--primary); }

/* ------------------------------------------------------------------ print: show every setup section */
@media print {
  .sidebar, .no-print, .tabs, .flash { display: none !important; }
  .main { max-width: none; padding: 0; }
  body { background: #fff; }
  .setup .panel { display: block !important; border: 0; padding: 0; break-inside: avoid; page-break-inside: avoid; margin-bottom: 1.5rem; }
  .card, .callout { break-inside: avoid; }
}