@import url("https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;700&family=IBM+Plex+Mono:wght@400;500&display=swap");

:root {
  --font-ui: "Space Grotesk", sans-serif;
  --font-mono: "IBM Plex Mono", monospace;
  --bg: #050505;
  --panel: #0d0f12;
  --panel-2: #11161b;
  --panel-3: #171d24;
  --line: rgba(255, 255, 255, 0.08);
  --text: #f7f7f2;
  --muted: #9098a3;
  --accent: #d7ff64;
  --accent-ink: #101400;
  --good: #49dba0;
  --danger: #ff6a51;
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

body[data-theme="pure-light"] {
  --bg: #eff2ea;
  --panel: #ffffff;
  --panel-2: #f3f5f0;
  --panel-3: #e8ece5;
  --line: rgba(0, 0, 0, 0.08);
  --text: #14171a;
  --muted: #5b6672;
  --accent: #9ccf11;
  --accent-ink: #0f1600;
  --good: #127a57;
  --danger: #d44f35;
  --shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
  margin: 0;
}

body {
  font-family: var(--font-ui);
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(215, 255, 100, 0.08), transparent 25%),
    radial-gradient(circle at top right, rgba(42, 97, 214, 0.1), transparent 25%),
    var(--bg);
}

button,
input,
textarea {
  font: inherit;
}

.workspace {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 284px minmax(0, 1fr);
  min-width: 1100px;
}

.sidebar {
  border-right: 1px solid var(--line);
  background: rgba(9, 11, 13, 0.72);
  backdrop-filter: blur(18px);
  padding: 18px;
  display: grid;
  grid-template-rows: auto auto auto 1fr auto;
  gap: 14px;
}

.sidebar-head,
.brand-row {
  display: flex;
  align-items: center;
  gap: 14px;
}

.mark {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  font-weight: 700;
  background: rgba(215, 255, 100, 0.12);
  border: 1px solid var(--line);
}

.eyebrow {
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.sidebar-actions,
.topbar-actions,
.dialog-actions,
.inline-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.topbar-title {
  min-width: 160px;
}

.folder-search input,
label input,
label textarea {
  width: 100%;
  background: var(--panel-2);
  border: 1px solid var(--line);
  color: var(--text);
  border-radius: 16px;
  padding: 12px 14px;
}

label {
  display: grid;
  gap: 8px;
}

label textarea {
  min-height: 180px;
  resize: vertical;
}

.folder-list,
.message-list,
.settings-list,
.stack {
  display: grid;
  gap: 10px;
}

.folder-item,
.message-row,
.button,
.ghost-button,
.theme-toggle {
  border: 1px solid var(--line);
  border-radius: 16px;
  cursor: pointer;
}

.folder-item,
.message-row,
.ghost-button,
.theme-toggle {
  color: var(--text);
  background: var(--panel-2);
}

.button {
  background: var(--accent);
  color: var(--accent-ink);
  border-color: transparent;
  font-weight: 700;
  padding: 12px 16px;
}

.ghost-button,
.theme-toggle {
  padding: 12px 16px;
}

.folder-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 12px;
  min-height: 44px;
  border-radius: 14px;
}

.folder-item.active {
  background: var(--panel-3);
  border-color: rgba(215, 255, 100, 0.28);
}

.folder-label {
  display: inline-flex;
  gap: 12px;
  align-items: center;
}

.folder-icon,
.folder-meta,
.small {
  color: var(--muted);
}

.main-shell {
  display: grid;
  grid-template-rows: auto 1fr;
  min-width: 0;
  padding: 18px;
  gap: 16px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
}

.topbar-search {
  flex: 1 1 420px;
  min-width: 220px;
}

.topbar-search input {
  width: 100%;
  background: var(--panel-2);
  border: 1px solid var(--line);
  color: var(--text);
  border-radius: 16px;
  padding: 12px 14px;
}

.topbar h1,
.dialog-head h3,
.pane-head h2,
.login-card h1 {
  margin: 4px 0 0;
}

.mail-grid {
  min-height: 0;
  display: grid;
  grid-template-columns: minmax(320px, 0.76fr) minmax(520px, 1.24fr);
  gap: 16px;
}

.pane,
.dialog,
.login-card {
  border: 1px solid var(--line);
  background: rgba(12, 14, 16, 0.82);
  border-radius: 26px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.pane {
  min-height: 0;
  display: grid;
  grid-template-rows: auto 1fr;
}

.pane-head,
.dialog-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 18px 18px 12px;
}

.list-pane .message-list,
.preview-pane {
  padding: 0 12px 12px;
}

.message-list {
  overflow: auto;
}

.message-row {
  text-align: left;
  padding: 10px 12px;
  min-height: 72px;
}

.message-row.active {
  border-color: rgba(215, 255, 100, 0.28);
  background: var(--panel-3);
}

.message-row.unread strong,
.message-row.unread .message-subject {
  font-weight: 700;
}

.message-row-top {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 6px;
  font-size: 0.88rem;
}

.message-row-top span,
.message-snippet,
.message-meta-panel span,
.preview-empty,
.login-copy {
  color: var(--muted);
}

.message-subject {
  margin-bottom: 6px;
}

.preview-pane {
  overflow: auto;
}

.message-meta-panel {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  padding: 0 18px 18px;
}

.message-meta-panel div,
.settings-row,
.meta-list div {
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 12px 14px;
}

.message-meta-panel strong,
.meta-list strong {
  display: block;
  margin-top: 6px;
}

.message-body {
  margin: 0 18px 18px;
  padding: 18px;
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 22px;
  line-height: 1.65;
}

.overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.56);
  display: grid;
  place-items: center;
  padding: 18px;
}

.dialog {
  width: min(1040px, 100%);
  max-height: calc(100vh - 36px);
  overflow: auto;
}

.composer,
.settings {
  padding-bottom: 18px;
}

.composer form,
.settings-grid {
  padding: 0 18px;
}

.settings-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.settings-block {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 16px;
}

.settings-block.wide {
  grid-column: 1 / -1;
}

.block-head {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: center;
  margin-bottom: 12px;
}

.block-head h4 {
  margin: 0;
}

.meta-list {
  display: grid;
  gap: 10px;
}

.settings-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
}

.login-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 20px;
}

.login-card {
  width: min(520px, 100%);
  padding: 26px;
}

.flash {
  border-radius: 16px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  background: rgba(215, 255, 100, 0.08);
}

.flash.error {
  background: rgba(255, 106, 81, 0.12);
}

.empty-state,
.preview-empty {
  padding: 18px;
  border: 1px dashed var(--line);
  border-radius: 20px;
  text-align: center;
}

@media (max-width: 1180px) {
  .settings-grid,
  .message-meta-panel {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 900px) {
  .workspace {
    min-width: 0;
    grid-template-columns: 1fr;
  }

  .sidebar {
    border-right: 0;
    border-bottom: 1px solid var(--line);
    grid-template-rows: auto auto 1fr auto;
  }

  .topbar {
    flex-wrap: wrap;
  }

  .mail-grid {
    grid-template-columns: 1fr;
  }
}