/* GoToGreen / Pass2Green Bulk Mailer.
   Brand palette: Vivid Eco Green #34A853, Vibrant Lime #A4DE02, Dark Slate Green #1E293B,
   Trust Teal #0FA3B1, Fresh Mint Tint #F0FDF4. Lime is only used as a fill (never for text). */
:root {
  --brand: #34A853;
  --brand-strong: #1F7A3A;   /* green for text and hover: readable on white */
  --lime: #A4DE02;
  --teal: #0FA3B1;
  --teal-strong: #0B7480;
  --teal-soft: #E0F4F6;
  --ink: #1E293B;
  --mint: #F0FDF4;

  --bg: var(--mint);
  --surface: #ffffff;
  --surface-2: #F4F8F5;
  --border: #DCE6DF;
  --text: var(--ink);
  --muted: #5B6B7F;
  --accent: var(--brand);
  --accent-text: #ffffff;
  --accent-soft: #E3F5E8;
  --link: var(--brand-strong);
  --good: #1F7A3A;
  --good-soft: #E3F5E8;
  --warn: #9A5B00;
  --warn-soft: #FEF3DC;
  --bad: #C2362F;
  --bad-soft: #FDECEA;
  --radius: 12px;
  --shadow: 0 1px 2px rgba(30, 41, 59, .05), 0 2px 8px rgba(30, 41, 59, .05);
  --shadow-lg: 0 12px 40px rgba(30, 41, 59, .14);
  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --brand-strong: #5FD07A;
    --teal-strong: #4FD0DB;
    --teal-soft: #12343A;
    --bg: #0F172A;
    --surface: var(--ink);
    --surface-2: #263449;
    --border: #334155;
    --text: #E2E8F0;
    --muted: #94A3B8;
    --accent-soft: #173A27;
    --link: #5FD07A;
    --good: #5FD07A;
    --good-soft: #173A27;
    --warn: #F0B44C;
    --warn-soft: #3A2C16;
    --bad: #F27A72;
    --bad-soft: #42201F;
    --shadow: none;
    --shadow-lg: 0 12px 40px rgba(0, 0, 0, .45);
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font: 14px/1.55 var(--font);
  -webkit-font-smoothing: antialiased;
  font-feature-settings: "cv11", "ss01";
}
a { color: var(--link); text-underline-offset: 2px; }
h1 { font-size: 24px; line-height: 1.25; font-weight: 700; letter-spacing: -.015em; margin: 0; }
h2 { font-size: 16px; font-weight: 650; letter-spacing: -.005em; margin: 0 0 12px; }
h3 { font-size: 14px; font-weight: 600; margin: 0 0 8px; }
p { margin: 0 0 12px; }
code, .mono { font-family: var(--mono); font-size: 12.5px; }
svg { flex: none; }
:focus-visible { outline: 2px solid var(--brand); outline-offset: 2px; }

/* ---------- layout */
.shell { display: grid; grid-template-columns: 248px minmax(0, 1fr); min-height: 100vh; }
.sidebar {
  background: var(--surface);
  border-right: 1px solid var(--border);
  padding: 22px 14px 16px;
  position: sticky; top: 0; height: 100vh;
  display: flex; flex-direction: column; gap: 14px;
  overflow-y: auto;
}
.brand { display: flex; flex-direction: column; gap: 6px; padding: 0 8px 4px; text-decoration: none; }
.brand img { width: 150px; height: auto; display: block; }
.brand-sub {
  align-self: flex-start; font-size: 11px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase;
  color: var(--brand-strong); background: var(--accent-soft); padding: 2px 8px; border-radius: 99px;
}
@media (prefers-color-scheme: dark) {
  .brand img { background: #fff; border-radius: 10px; padding: 8px 10px; width: 170px; }
  .login-logo { background: #fff; border-radius: 12px; padding: 10px 12px; }
}
.new-campaign { justify-content: center; margin: 0 4px; }
.new-campaign svg, .nav svg, .sidebar-foot svg {
  width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round;
}
.nav { display: flex; flex-direction: column; gap: 2px; }
.nav-label {
  font-size: 11px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase;
  color: var(--muted); padding: 14px 10px 6px;
}
.nav a {
  display: flex; align-items: center; gap: 10px; padding: 8px 10px; border-radius: 8px;
  color: var(--text); text-decoration: none; font-weight: 500; position: relative;
}
.nav a svg { color: var(--muted); }
.nav a:hover { background: var(--surface-2); }
.nav a.active { background: var(--accent-soft); color: var(--brand-strong); font-weight: 600; }
.nav a.active svg { color: var(--brand-strong); }
.nav a.active::before {
  content: ""; position: absolute; left: -14px; top: 8px; bottom: 8px; width: 4px;
  border-radius: 0 4px 4px 0; background: linear-gradient(var(--brand), var(--lime));
}
.sidebar-foot { margin-top: auto; padding: 12px 8px 0; border-top: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; gap: 8px; }
main { padding: 28px 36px 72px; max-width: 1320px; width: 100%; min-width: 0; }
.grid-2 > *, .grid-3 > *, .step-body > * { min-width: 0; }
.page-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; margin-bottom: 22px; flex-wrap: wrap; }
.page-head .sub { color: var(--muted); margin-top: 4px; }
.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.spacer { flex: 1; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.stack > * + * { margin-top: 16px; }

@media (max-width: 900px) {
  .shell { grid-template-columns: 1fr; }
  .sidebar {
    position: sticky; top: 0; z-index: 20; height: auto; flex-direction: row; align-items: center; flex-wrap: wrap;
    padding: 10px 16px; gap: 8px 12px; border-right: 0; border-bottom: 1px solid var(--border);
  }
  .brand { flex-direction: row; align-items: center; padding: 0; }
  .brand img { width: 120px; }
  .new-campaign { margin: 0 0 0 auto; padding: 6px 12px; }
  .nav { flex-direction: row; order: 3; width: 100%; overflow-x: auto; gap: 4px; scrollbar-width: none; }
  .nav-label { display: none; }
  .nav a { white-space: nowrap; padding: 6px 10px; }
  .nav a.active::before { display: none; }
  .sidebar-foot { display: none; }
  main { padding: 16px 16px 48px; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  h1 { font-size: 21px; }
}

/* ---------- surfaces */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
}
.card + .card { margin-top: 16px; }
.card.flush { padding: 0; overflow: hidden; }
.card-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 12px; flex-wrap: wrap; }
.card-head h2 { margin: 0; }
.muted { color: var(--muted); }
.small { font-size: 12.5px; }

.statusbar {
  display: flex; gap: 8px; flex-wrap: wrap; align-items: center;
  margin-bottom: 22px;
}
.statusbar .item {
  display: inline-flex; gap: 6px; align-items: center;
  background: var(--surface); border: 1px solid var(--border); border-radius: 99px;
  padding: 5px 12px; font-size: 12.5px; box-shadow: var(--shadow); color: var(--muted);
}
.statusbar .item strong { color: var(--text); font-weight: 600; }
.statusbar > .alert { flex-basis: 100%; margin: 4px 0 0; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--muted); display: inline-block; flex: none; }
.dot.good { background: var(--brand); box-shadow: 0 0 0 3px color-mix(in srgb, var(--brand) 22%, transparent); }
.dot.warn { background: var(--warn); }
.dot.bad { background: var(--bad); box-shadow: 0 0 0 3px color-mix(in srgb, var(--bad) 20%, transparent); }

.alert { border-radius: 10px; padding: 11px 14px; margin-bottom: 16px; border: 1px solid transparent; }
.alert.warn { background: var(--warn-soft); color: var(--warn); border-color: color-mix(in srgb, var(--warn) 25%, transparent); }
.alert.bad { background: var(--bad-soft); color: var(--bad); border-color: color-mix(in srgb, var(--bad) 25%, transparent); }
.alert.good { background: var(--good-soft); color: var(--good); border-color: color-mix(in srgb, var(--good) 25%, transparent); }
.alert.info { background: var(--teal-soft); color: var(--teal-strong); border-color: color-mix(in srgb, var(--teal) 25%, transparent); }

/* ---------- stats */
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 12px; margin-bottom: 16px; }
.stat { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px 16px; box-shadow: var(--shadow); }
.stat .label { color: var(--muted); font-size: 12.5px; }
.stat .value { font-size: 26px; font-weight: 700; letter-spacing: -.02em; margin-top: 2px; font-variant-numeric: tabular-nums; }
.stat .hint { color: var(--muted); font-size: 12px; }
.progress { height: 6px; background: var(--surface-2); border-radius: 99px; overflow: hidden; }
.progress > span { display: block; height: 100%; background: var(--accent); border-radius: 99px; transition: width .4s; }

/* ---------- tables */
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { font-size: 12px; text-transform: uppercase; letter-spacing: .03em; color: var(--muted); font-weight: 600; background: var(--surface-2); }
tr:last-child td { border-bottom: 0; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
.table-wrap { overflow-x: auto; }
tr.clickable { cursor: pointer; }
tr.clickable:hover td { background: var(--surface-2); }
.truncate { max-width: 360px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ---------- pills */
.pill { display: inline-block; padding: 2px 9px; border-radius: 99px; font-size: 12px; font-weight: 600; background: var(--surface-2); color: var(--muted); white-space: nowrap; }
.pill.running, .pill.sent, .pill.active, .pill.completed-ok { background: var(--good-soft); color: var(--good); }
.pill.scheduled, .pill.queued { background: var(--accent-soft); color: var(--accent); }
.pill.paused, .pill.skipped, .pill.unsubscribed { background: var(--warn-soft); color: var(--warn); }
.pill.cancelled, .pill.failed, .pill.bounced, .pill.suppressed { background: var(--bad-soft); color: var(--bad); }

/* ---------- forms */
label.field { display: block; margin-bottom: 12px; }
label.field > span { display: block; font-weight: 600; margin-bottom: 4px; font-size: 13px; }
label.field > small { display: block; color: var(--muted); margin-top: 4px; font-size: 12px; }
input[type=text], input[type=password], input[type=email], input[type=number], input[type=search], input[type=url], input[type=datetime-local], select, textarea {
  width: 100%;
  font: inherit;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 10px;
}
input:focus, select:focus, textarea:focus { outline: 2px solid color-mix(in srgb, var(--accent) 40%, transparent); border-color: var(--accent); }
textarea { resize: vertical; }
textarea.code { font-family: var(--mono); font-size: 12.5px; line-height: 1.5; min-height: 340px; white-space: pre; tab-size: 2; }
.check { display: inline-flex; gap: 6px; align-items: center; margin-right: 14px; cursor: pointer; }
input[type=file] { font: inherit; }

button, .btn {
  font: inherit; font-weight: 600;
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 14px; border-radius: 8px;
  border: 1px solid var(--border); background: var(--surface); color: var(--text);
  cursor: pointer; text-decoration: none; white-space: nowrap;
}
button:hover, .btn:hover { background: var(--surface-2); }
button.primary, .btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-text); }
button.primary:hover { filter: brightness(1.08); }
button.danger { color: var(--bad); }
button.danger:hover { background: var(--bad-soft); }
button.ghost { border-color: transparent; background: transparent; }
button:disabled { opacity: .55; cursor: not-allowed; }
button.small, .btn.small { padding: 4px 10px; font-size: 12.5px; }

/* ---------- campaign editor */
.step-card { border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); margin-bottom: 16px; box-shadow: var(--shadow); }
.step-card > header { display: flex; align-items: center; gap: 10px; padding: 12px 16px; border-bottom: 1px solid var(--border); background: var(--surface-2); border-radius: var(--radius) var(--radius) 0 0; flex-wrap: wrap; }
.step-card > header .num { width: 26px; height: 26px; border-radius: 50%; background: var(--accent); color: var(--accent-text); display: grid; place-items: center; font-weight: 700; font-size: 13px; }
.step-body { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 16px; padding: 16px; }
@media (max-width: 1100px) { .step-body { grid-template-columns: 1fr; } }
.preview-frame { width: 100%; height: 520px; border: 1px solid var(--border); border-radius: 8px; background: #fff; }
.preview-subject { padding: 8px 10px; border: 1px solid var(--border); border-radius: 8px; margin-bottom: 8px; background: var(--surface-2); }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip { font-family: var(--mono); font-size: 12px; padding: 2px 8px; border-radius: 6px; background: var(--surface-2); border: 1px solid var(--border); cursor: pointer; color: var(--text); }
.chip:hover { border-color: var(--accent); }
.tabs { display: flex; gap: 4px; margin-bottom: 8px; }
.tabs button { padding: 4px 10px; font-size: 12.5px; }
.tabs button.on { background: var(--accent-soft); color: var(--accent); border-color: transparent; }
.dropzone { border: 2px dashed var(--border); border-radius: var(--radius); padding: 24px; text-align: center; color: var(--muted); }
.dropzone.over { border-color: var(--accent); background: var(--accent-soft); }

/* ---------- misc */
.empty { text-align: center; padding: 48px 16px; color: var(--muted); }
.empty h2 { color: var(--text); }
.toast-host { position: fixed; right: 16px; bottom: 16px; display: flex; flex-direction: column; gap: 8px; z-index: 50; max-width: min(420px, calc(100vw - 32px)); }
.toast { padding: 10px 14px; border-radius: 8px; background: var(--text); color: var(--bg); box-shadow: 0 4px 16px rgba(0,0,0,.2); }
.toast.bad { background: var(--bad); color: #fff; }
.log { font-family: var(--mono); font-size: 12px; max-height: 360px; overflow: auto; }
.log div { padding: 4px 0; border-bottom: 1px solid var(--border); }
.log .error { color: var(--bad); }
.log .warn { color: var(--warn); }
.chart { width: 100%; height: 160px; display: block; }
.chart .bar-open { fill: var(--accent); }
.chart .bar-click { fill: var(--good); }
.chart text { fill: var(--muted); font-size: 10px; }
.legend { display: flex; gap: 14px; font-size: 12px; color: var(--muted); }
.legend i { display: inline-block; width: 10px; height: 10px; border-radius: 2px; margin-right: 5px; vertical-align: -1px; }
.pager { display: flex; gap: 8px; align-items: center; justify-content: flex-end; padding: 10px 12px; }
dialog { border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); color: var(--text); padding: 20px; max-width: 460px; width: calc(100% - 32px); }
dialog::backdrop { background: rgba(0, 0, 0, .45); }
.kbd { font-family: var(--mono); font-size: 12px; background: var(--surface-2); border: 1px solid var(--border); border-radius: 4px; padding: 0 5px; }

/* ---------- replies, launch checklist, images */
.pill.replied { background: var(--good-soft); color: var(--good); }
.statusbar a.item { text-decoration: none; }
dialog.wide { max-width: 720px; }
.checklist { list-style: none; margin: 0; padding: 0; max-height: 60vh; overflow: auto; }
.checklist li { display: flex; gap: 10px; padding: 8px 0; border-bottom: 1px solid var(--border); }
.checklist .icon { flex: none; width: 22px; height: 22px; border-radius: 50%; display: grid; place-items: center; font-size: 12px; font-weight: 700; background: var(--surface-2); color: var(--muted); }
.checklist .block .icon { background: var(--bad-soft); color: var(--bad); }
.checklist .warn .icon { background: var(--warn-soft); color: var(--warn); }
.checklist .ok .icon { background: var(--good-soft); color: var(--good); }
.checklist .info .icon { background: var(--accent-soft); color: var(--accent); }
.checklist li > div { min-width: 0; overflow-wrap: anywhere; }
.image-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 10px; max-height: 50vh; overflow: auto; }
.image-tile { margin: 0; border: 1px solid var(--border); border-radius: 8px; padding: 6px; display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.image-tile > button:first-child { padding: 0; height: 100px; justify-content: center; background: repeating-conic-gradient(var(--surface-2) 0 25%, var(--surface) 0 50%) 0 0 / 16px 16px; }
.image-tile img { max-width: 100%; max-height: 96px; object-fit: contain; }
td.snippet { max-width: 420px; overflow-wrap: anywhere; }

/* ---------- brand polish */
.stat { position: relative; overflow: hidden; }
.stat::before { content: ""; position: absolute; inset: 0 0 auto 0; height: 3px; background: linear-gradient(90deg, var(--brand), var(--lime)); opacity: .85; }
.stat .label { font-weight: 500; }
.progress > span { background: linear-gradient(90deg, var(--brand), var(--lime)); }
.pill.scheduled, .pill.queued { background: var(--teal-soft); color: var(--teal-strong); }
.pill.running::before, .pill.sending::before { content: ""; display: inline-block; width: 6px; height: 6px; border-radius: 50%; background: currentColor; margin-right: 6px; vertical-align: 1px; animation: pulse 1.6s ease-in-out infinite; }
@keyframes pulse { 50% { opacity: .3; } }
button.primary, .btn.primary { box-shadow: 0 1px 2px rgba(31, 122, 58, .25); }
button.primary:hover, .btn.primary:hover { background: var(--brand-strong); border-color: var(--brand-strong); filter: none; }
@media (prefers-color-scheme: dark) {
  button.primary:hover, .btn.primary:hover { background: #2E9A4B; border-color: #2E9A4B; }
}
button.block { width: 100%; justify-content: center; padding: 11px 14px; font-size: 15px; }
th { background: var(--surface-2); }
tr.clickable:hover td { background: color-mix(in srgb, var(--accent-soft) 60%, transparent); }
.chart .bar-open { fill: var(--teal); }
.chart .bar-click { fill: var(--brand); }
.empty svg.empty-icon { width: 44px; height: 44px; stroke: var(--brand); fill: none; stroke-width: 1.6; margin-bottom: 8px; }
dialog { box-shadow: var(--shadow-lg); border-radius: 16px; }
.toast { border-radius: 10px; box-shadow: var(--shadow-lg); }
.toast:not(.bad) { background: var(--ink); color: #fff; border-left: 4px solid var(--brand); }

/* ---------- login */
.login-page { background: var(--mint); }
@media (prefers-color-scheme: dark) { .login-page { background: var(--bg); } }
.login { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); min-height: 100vh; }
.login-hero {
  position: relative; overflow: hidden; color: #E8F5EC;
  background: radial-gradient(circle at 15% 15%, rgba(164, 222, 2, .18), transparent 40%),
              linear-gradient(150deg, #123B25 0%, var(--ink) 70%);
  display: flex; align-items: flex-end; padding: 56px;
}
.hero-inner { position: relative; z-index: 1; max-width: 520px; }
.hero-badge {
  display: inline-block; font-size: 12px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase;
  color: var(--ink); background: var(--lime); padding: 4px 10px; border-radius: 99px; margin-bottom: 18px;
}
.login-hero h2 { font-size: 34px; line-height: 1.15; font-weight: 800; letter-spacing: -.02em; color: #fff; margin: 0 0 24px; }
.hero-points { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.hero-points li { padding-left: 30px; position: relative; color: #CFE3D6; }
.hero-points li::before {
  content: ""; position: absolute; left: 0; top: 2px; width: 20px; height: 20px; border-radius: 50%;
  background: var(--brand) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E") center / 12px no-repeat;
}
.hero-glow {
  position: absolute; right: -120px; top: -120px; width: 420px; height: 420px; border-radius: 50%;
  background: radial-gradient(circle, rgba(15, 163, 177, .35), transparent 65%);
}
.login-panel { display: grid; place-items: center; padding: 32px 20px; }
.login-card {
  width: 100%; max-width: 400px; background: var(--surface); border: 1px solid var(--border);
  border-radius: 18px; box-shadow: var(--shadow-lg); padding: 36px 32px 24px; display: grid; gap: 16px;
}
.login-card h1 { font-size: 22px; }
.login-card p.muted { margin: 4px 0 0; }
.login-card .field { margin: 0; }
.login-card input[type=text], .login-card input[type=password] { padding: 10px 12px; font-size: 15px; }
.login-card .alert { margin: 0; }
.login-logo { width: 200px; height: auto; }
.password-wrap { position: relative; display: block; }
.password-wrap input { padding-right: 64px !important; }
.password-wrap button { position: absolute; right: 4px; top: 50%; transform: translateY(-50%); }
.login-foot { text-align: center; color: var(--muted); font-size: 12px; margin: 4px 0 0; }
@media (max-width: 860px) {
  .login { grid-template-columns: 1fr; }
  .login-hero { display: none; }
  .login-card { padding: 28px 20px 20px; }
}