@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@400;600;700;800&display=swap');

:root {
  --bg: #f3f7f6;
  --panel: #ffffff;
  --ink: #1b2a2f;
  --muted: #60737b;
  --accent: #0f766e;
  --accent-soft: #d7f3f1;
  --danger: #b42318;
  --ok: #027a48;
  --line: #d1e0dd;
}

:root[data-theme='dark'] {
  --bg: #0d171b;
  --panel: #122129;
  --ink: #e5f2f8;
  --muted: #a9bec8;
  --accent: #1da99f;
  --accent-soft: #11363a;
  --danger: #ff7b72;
  --ok: #50d890;
  --line: #29404a;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: 'Manrope', sans-serif;
  color: var(--ink);
  background: radial-gradient(circle at top left, #d8f3ec, transparent 35%), var(--bg);
  transition: background-color 0.2s ease, color 0.2s ease;
}

:root[data-theme='dark'] body {
  background: radial-gradient(circle at top left, #0f3039, transparent 35%), var(--bg);
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(4px);
  position: sticky;
  top: 0;
}

.topbar nav {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

:root[data-theme='dark'] .topbar {
  background: rgba(18, 33, 41, 0.88);
}

.topbar a {
  color: var(--ink);
  text-decoration: none;
  font-weight: 600;
}

.theme-toggle {
  background: var(--accent-soft);
  color: var(--ink);
  padding: 0.4rem 0.7rem;
}

.brand {
  font-weight: 800;
}

.container {
  width: min(1500px, 96vw);
  margin: 1rem auto 3rem;
}

.hero {
  background: linear-gradient(120deg, #0f766e, #0d9488);
  color: #fff;
  border-radius: 16px;
  padding: 2rem;
}

.hero.compact {
  padding: 1.4rem 2rem;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 1.25rem;
  margin-top: 1rem;
}

.narrow {
  width: min(520px, 100%);
  margin-inline: auto;
}

.grid-form {
  display: grid;
  gap: 0.8rem;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  margin-top: 0.8rem;
}

.grid-form .full {
  grid-column: 1 / -1;
}

label {
  display: grid;
  gap: 0.4rem;
  font-size: 0.95rem;
  color: var(--muted);
}

input,
select,
textarea,
button {
  font: inherit;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.62rem 0.72rem;
  background: var(--panel);
  color: var(--ink);
}

.input-invalid {
  border-color: var(--danger);
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--danger) 55%, transparent);
}

button {
  border: none;
  border-radius: 10px;
  padding: 0.7rem 0.95rem;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  cursor: pointer;
}

button:disabled {
  opacity: 0.65;
  cursor: not-allowed;
}

.tabs,
.roadmap-grid {
  display: grid;
  gap: 0.8rem;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.tab-card,
.roadmap-card,
.item-card {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0.9rem;
  background: var(--panel);
}

.tab-card ul,
.roadmap-card ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.tab-card li,
.roadmap-card li {
  padding: 0.65rem 0;
  border-bottom: 1px solid var(--line);
}

.tab-card li:last-child,
.roadmap-card li:last-child {
  border-bottom: none;
}

.tab-card span,
.roadmap-card span {
  display: inline-block;
  font-size: 0.8rem;
  color: var(--muted);
  margin-top: 0.2rem;
}

.big-roadmap .tab-card {
  min-height: 380px;
}

.roadmap-filters {
  margin-bottom: 1rem;
}

.topbar-cta {
  background: var(--accent);
  color: #fff;
  padding: 0.45rem 0.8rem;
  font-size: 0.9rem;
}

.globe-marker {
  margin-right: 0.35rem;
  font-size: 0.95em;
}

.roadmap-open-detail {
  width: 100%;
  text-align: left;
  background: transparent;
  color: var(--ink);
  padding: 0;
  border: none;
  border-radius: 0;
  font-weight: 700;
}

.roadmap-open-detail:hover,
.roadmap-open-detail:focus-visible {
  color: var(--accent);
  text-decoration: underline;
}

.muted {
  color: var(--muted);
}

.list-wrap {
  display: grid;
  gap: 0.8rem;
}

.tab-shell {
  padding-top: 0.8rem;
}

.tab-header {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-bottom: 1rem;
}

.tab-button {
  background: color-mix(in srgb, var(--accent-soft) 80%, white);
  color: var(--ink);
  border: 1px solid var(--line);
}

.tab-button.active {
  background: var(--accent);
  color: #fff;
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
}

.tab-tools {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.8rem;
  flex-wrap: wrap;
}

.filter-bar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.8rem;
  margin-top: 0.8rem;
}

.verification-wrap {
  border: 1px dashed var(--line);
  border-radius: 10px;
  padding: 0.8rem;
  display: grid;
  gap: 0.7rem;
}

.smtp-hint-box {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.75rem;
  background: color-mix(in srgb, var(--panel) 84%, var(--accent-soft));
}

.smtp-hint-title {
  margin: 0 0 0.4rem;
  font-weight: 700;
}

.smtp-hint-box ul {
  margin: 0;
  padding-left: 1rem;
  display: grid;
  gap: 0.35rem;
}

.smtp-hint-box li.error {
  color: var(--danger);
}

.smtp-hint-box li.warning {
  color: #a06a10;
}

.smtp-hint-box li.ok {
  color: var(--ok);
}

.hidden {
  display: none !important;
}

.error-text {
  color: var(--danger);
}

.flash-wrap {
  display: grid;
  gap: 0.6rem;
  margin-bottom: 1rem;
}

.flash {
  border-radius: 10px;
  padding: 0.68rem 0.8rem;
}

.flash.error {
  background: color-mix(in srgb, var(--danger) 18%, transparent);
  border: 1px solid color-mix(in srgb, var(--danger) 55%, var(--line));
  color: var(--danger);
}

.flash.success {
  background: color-mix(in srgb, var(--ok) 18%, transparent);
  border: 1px solid color-mix(in srgb, var(--ok) 55%, var(--line));
  color: var(--ok);
}

.modal {
  border: none;
  padding: 0;
  background: transparent;
  width: min(720px, 92vw);
}

.modal::backdrop {
  background: rgba(5, 14, 20, 0.66);
}

.modal-card {
  position: relative;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--panel);
  padding: 1.25rem;
}

.modal-close {
  position: absolute;
  top: 0.6rem;
  right: 0.6rem;
  border-radius: 999px;
  width: 2rem;
  height: 2rem;
  padding: 0;
  line-height: 1;
}

@media (max-width: 700px) {
  .topbar {
    padding: 0.9rem 1rem;
  }

  .topbar nav {
    gap: 0.45rem;
  }

  .hero {
    padding: 1.2rem;
  }

  .tab-tools {
    align-items: stretch;
  }
}