@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap");

:root {
  --km-bg-page: #f8fafc;
  --km-bg-surface: #ffffff;
  --km-border: #e5e7eb;
  --km-border-hover: #cbd5e1;
  --km-text: #0f172a;
  --km-text-strong: #1e293b;
  --km-text-muted: #64748b;
  --km-text-nav: #475569;
  --km-hover: #f3f4f6;
  --km-accent: #2563eb;
  --km-btn-primary: #0063ba;
  --km-avatar-bg: #dbeafe;
  --km-avatar-fg: #1e40af;
  --km-success: #059669;
  --km-danger: #d63939;
  --km-login-bg: #eef3f9;
  --km-header-h: 64px;
  --km-sidebar-w: 15rem;
  --km-sidebar-w-collapsed: 4rem;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: Inter, system-ui, sans-serif;
  background: var(--km-bg-page);
  color: var(--km-text);
  font-size: 14px;
  line-height: 1.45;
}

a { color: var(--km-accent); text-decoration: none; }
a:hover { color: #1d4ed8; }

.km-app-header {
  position: sticky;
  top: 0;
  z-index: 30;
  height: var(--km-header-h);
  background: #fff;
  border-bottom: 1px solid var(--km-border);
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 0 20px;
}
.km-brand { display: inline-flex; align-items: center; flex-shrink: 0; }
.km-brand img { height: 28px; width: auto; display: block; }
.km-brand--login {
  display: flex;
  justify-content: center;
  width: 100%;
  margin: 0 auto 16px;
}
.km-brand--login img { height: 34px; }
.km-header-right {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 12px;
}
.km-hello { color: var(--km-text-strong); font-weight: 650; font-size: 14px; }
.km-user-menu { position: relative; }
.km-user-pill {
  display: inline-flex; align-items: center; gap: 8px;
  border: 1px solid var(--km-border); border-radius: 999px;
  padding: 4px 10px 4px 4px; background: #fff; color: var(--km-text-strong);
  cursor: pointer; font: inherit; font-weight: 600;
}
.km-user-pill:hover { background: #f8fafc; }
.km-user-menu.is-open .km-user-pill { background: #f8fafc; border-color: var(--km-border-hover); }
.km-user-chevron { color: var(--km-text-muted); flex-shrink: 0; transition: transform 0.15s ease; }
.km-user-menu.is-open .km-user-chevron { transform: rotate(180deg); }
.km-user-dropdown {
  position: absolute;
  right: 0;
  top: calc(100% + 8px);
  z-index: 40;
  min-width: 180px;
  background: #fff;
  border: 1px solid var(--km-border);
  border-radius: 12px;
  box-shadow: 0 10px 28px rgba(15, 23, 42, 0.12);
  padding: 6px;
}
.km-user-logout {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 8px;
  border: 0;
  background: none;
  border-radius: 8px;
  padding: 9px 10px;
  color: var(--km-danger);
  cursor: pointer;
  font: inherit;
  font-weight: 600;
  font-size: 14px;
}
.km-user-logout:hover { background: #fef2f2; }
.km-avatar {
  width: 28px; height: 28px; border-radius: 999px;
  background: var(--km-avatar-bg); color: var(--km-avatar-fg);
  font-size: 11px; font-weight: 700; display: inline-flex;
  align-items: center; justify-content: center;
}

.km-shell { display: flex; min-height: calc(100vh - var(--km-header-h)); }
.km-shell--public { display: block; }
.km-shell--public .km-main { max-width: 960px; margin: 0 auto; width: 100%; }
.km-sidebar {
  position: relative;
  width: var(--km-sidebar-w);
  flex-shrink: 0;
  background: #fff;
  border-right: 1px solid var(--km-border);
  padding: 12px;
  transition: width 0.2s ease;
}
html.km-sidebar-collapsed .km-sidebar {
  width: var(--km-sidebar-w-collapsed);
  padding: 12px 8px;
}
.km-sidebar-nav { display: flex; flex-direction: column; }
.km-sidebar a {
  display: flex; align-items: center; gap: 8px;
  padding: 10px 12px; border-radius: 0.5rem;
  color: var(--km-text-nav); font-weight: 600; font-size: 14px;
  margin-bottom: 4px;
}
.km-sidebar a:hover { background: var(--km-hover); color: var(--km-text-strong); }
.km-sidebar a.active { background: #f3f4f6; color: var(--km-text-strong); }
.km-nav-ico { width: 20px; height: 20px; color: var(--km-text-muted); flex-shrink: 0; }
.km-sidebar a:hover .km-nav-ico,
.km-sidebar a.active .km-nav-ico { color: var(--km-text-strong); }
.km-nav-label { white-space: nowrap; }
html.km-sidebar-collapsed .km-sidebar a {
  justify-content: center;
  padding: 10px;
}
html.km-sidebar-collapsed .km-nav-label { display: none; }
.km-sidebar-toggle {
  position: absolute;
  top: 18px;
  right: -12px;
  z-index: 20;
  width: 24px;
  height: 24px;
  border-radius: 999px;
  border: 1px solid var(--km-border);
  background: #fff;
  color: var(--km-text-muted);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  padding: 0;
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.08);
}
.km-sidebar-toggle:hover { background: #f8fafc; color: var(--km-text-strong); border-color: var(--km-border-hover); }
.km-sidebar-toggle svg { display: block; transition: transform 0.2s ease; }
html.km-sidebar-collapsed .km-sidebar-toggle svg { transform: rotate(180deg); }

.km-main {
  flex: 1;
  min-width: 0;
  padding: 24px 28px 40px;
}

.km-page-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
}
.km-head-filters {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-left: auto;
  flex-wrap: wrap;
}
.km-head-select {
  width: 180px;
  min-width: 160px;
  height: 40px;
  border-radius: 10px;
}
.km-drp { position: relative; min-width: 240px; }
.km-drp-trigger {
  background: #fff;
  cursor: pointer;
  padding: 0.55rem 0.85rem;
  border-radius: 10px;
  border: 1px solid #e5e7eb;
  box-shadow: none;
  min-height: 40px;
  width: 100%;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8125rem;
  color: #334155;
  font-family: inherit;
  font-weight: 500;
  text-align: left;
}
.km-drp-trigger svg { color: #64748b; flex-shrink: 0; }
.km-drp-trigger:hover { border-color: #cbd5e1; }
.km-drp-panel {
  position: absolute;
  right: 0;
  top: calc(100% + 8px);
  z-index: 40;
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 12px;
  box-shadow: 0 12px 40px rgba(15, 23, 42, 0.12);
  min-width: 640px;
}
.km-drp-body { display: flex; }
.km-drp-ranges {
  width: 148px;
  flex-shrink: 0;
  border-right: 1px solid #f1f5f9;
  padding: 8px;
}
.km-drp-ranges button {
  display: block;
  width: 100%;
  text-align: left;
  padding: 8px 10px;
  border: 0;
  background: none;
  border-radius: 8px;
  font: inherit;
  font-size: 13px;
  font-weight: 500;
  color: #334155;
  cursor: pointer;
}
.km-drp-ranges button:hover,
.km-drp-ranges button.active { background: #f3f4f6; color: #0f172a; }
.km-drp-cals {
  position: relative;
  display: flex;
  gap: 16px;
  padding: 12px 36px 8px;
}
.km-drp-prev, .km-drp-next {
  position: absolute;
  top: 14px;
  width: 28px;
  height: 28px;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  background: #fff;
  cursor: pointer;
  font-size: 18px;
  line-height: 1;
  color: #334155;
}
.km-drp-prev { left: 8px; }
.km-drp-next { right: 8px; }
.km-drp-cal { width: 220px; }
.km-drp-cal-head {
  text-align: center;
  font-weight: 700;
  font-size: 13px;
  margin-bottom: 8px;
  color: #0f172a;
}
.km-drp-cal table { width: 100%; border-collapse: collapse; }
.km-drp-cal th {
  color: #64748b;
  font-size: 11px;
  font-weight: 600;
  padding: 4px 0;
}
.km-drp-cal td { text-align: center; padding: 1px; }
.km-drp-cal td button {
  width: 30px;
  height: 30px;
  border: 0;
  border-radius: 8px;
  background: none;
  cursor: pointer;
  font: inherit;
  font-size: 12px;
  color: #1e293b;
}
.km-drp-cal td button:hover { background: #f1f5f9; }
.km-drp-cal td button.in-range { background: #eff6ff; }
.km-drp-cal td button.start,
.km-drp-cal td button.end { background: #357ebd; color: #fff; }
.km-drp-cal td button.today { font-weight: 700; }
.km-drp-footer {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  padding: 10px 12px;
  border-top: 1px solid #f1f5f9;
}
.km-drp-apply {
  background: #357ebd;
  color: #fff;
  border: 0;
  min-height: 32px;
  padding: 4px 14px;
  border-radius: 8px;
}
.km-drp-apply:hover { background: #2e6da4; color: #fff; }

.km-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-bottom: 12px; }
.km-kpi-row { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; margin-bottom: 12px; }
.km-charts, .km-detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 12px; }
.km-detail-grid { grid-template-columns: 1.6fr 1fr; }

.km-kpi, .km-card, .km-nav-card, .km-filter-card {
  background: #fff;
  border: 1px solid var(--km-border);
  border-radius: 12px;
  box-shadow: none;
}
.km-kpi { display: flex; gap: 12px; padding: 16px; align-items: flex-start; min-width: 0; }
.km-kpi-icon {
  width: 40px; height: 40px; border-radius: 10px; display: flex;
  align-items: center; justify-content: center; color: #fff; font-size: 16px; flex-shrink: 0;
}
.km-kpi-label { font-size: 11px; font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase; color: var(--km-text-muted); }
.km-kpi-value { font-size: 20px; font-weight: 700; margin-top: 4px; }

.km-nav-card {
  padding: 14px 16px; display: flex; align-items: center; gap: 12px;
  color: var(--km-text); font-weight: 600; font-size: 14px;
}
.km-nav-card:hover { border-color: var(--km-border-hover); color: var(--km-text); }
.km-nav-card span.arrow { margin-left: auto; color: #94a3b8; }
.km-nav-ico {
  width: 36px; height: 36px; border-radius: 10px; display: flex;
  align-items: center; justify-content: center; flex-shrink: 0;
}

.km-card { overflow: hidden; }
.km-card h3 {
  margin: 0; padding: 14px 16px; border-bottom: 1px solid #f1f5f9;
  font-size: 15px; font-weight: 700;
}
.km-card .body { padding: 12px 16px 16px; }

.km-filter-card { padding: 16px 16px 12px; margin-bottom: 16px; }
.filters {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 12px 12px;
  align-items: end;
}
.filters .field { margin: 0; min-width: 0; }
.filters-dash {
  grid-template-columns: minmax(180px, 1.5fr) 180px 180px;
}
.filters-actions {
  display: flex;
  gap: 8px;
  margin-top: 12px;
}

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 999px; border: 1px solid transparent; cursor: pointer;
  font-weight: 600; font-size: 14px; padding: 8px 16px; min-height: 40px;
  font-family: inherit;
}
.btn-primary { background: var(--km-btn-primary); color: #fff; }
.btn-primary:hover { background: #0052a0; color: #fff; }
.btn-outline { background: #fff; border-color: var(--km-border); color: var(--km-text-strong); }
.btn-outline:hover { background: #f8fafc; }
.btn-danger { background: #fff; border-color: #fecaca; color: var(--km-danger); }
.btn-sm { min-height: 32px; padding: 4px 12px; font-size: 13px; }

input:not([type="checkbox"]):not([type="radio"]):not([type="hidden"]),
select, textarea {
  width: 100%; height: 40px; padding: 0 12px;
  border: 1px solid var(--km-border); border-radius: 8px;
  background: #fff; font: inherit; color: var(--km-text);
}
textarea { height: auto; padding: 10px 12px; }
input:not([type="checkbox"]):not([type="radio"]):focus, select:focus, textarea:focus {
  outline: none; border-color: #93c5fd; box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}
label { display: block; font-size: 12px; color: var(--km-text-muted); margin-bottom: 6px; font-weight: 600; }
.field { margin-bottom: 0; min-width: 0; }
.field-hint { margin: 6px 0 0; color: var(--km-text-muted); font-size: 12px; font-weight: 400; line-height: 1.4; }
.field-hint code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 11px; background: #f1f5f9; padding: 1px 5px; border-radius: 4px;
}
.form-card { max-width: 560px; padding: 20px; }

.km-form-stack { max-width: 880px; display: flex; flex-direction: column; gap: 16px; }
.km-form-stack .km-card { margin: 0; }
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.form-grid .span-2 { grid-column: 1 / -1; }
.spam-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.km-check {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin: 0;
  padding: 14px 16px;
  border: 1px solid var(--km-border);
  border-radius: 10px;
  background: #f8fafc;
  cursor: pointer;
  color: var(--km-text-strong);
  font-size: 14px;
  font-weight: 600;
  line-height: 1.4;
}
.km-check:hover { background: #f1f5f9; }
.km-check input[type="checkbox"] {
  width: 16px; height: 16px; margin: 2px 0 0; padding: 0;
  flex-shrink: 0; accent-color: var(--km-btn-primary); cursor: pointer;
}
.km-check span { display: block; }
.km-check small {
  display: block; margin-top: 4px; color: var(--km-text-muted);
  font-size: 12px; font-weight: 400;
}
.form-actions-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 16px;
  background: #fff;
  border: 1px solid var(--km-border);
  border-radius: 12px;
}
.api-key-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}
.api-key-actions { display: flex; gap: 8px; flex-shrink: 0; }

.km-table-wrap { overflow-x: auto; min-width: 0; }
table.km-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.km-table th, .km-table td {
  text-align: left; padding: 12px 14px;
  border-bottom: 1px solid #f1f5f9;
  vertical-align: middle;
  white-space: nowrap;
}
.km-table th {
  color: var(--km-text-muted); font-size: 11px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.04em; background: #fafbfc;
}
.km-table tbody tr:hover { background: #f8fafc; }
.km-table .cell-wrap { white-space: normal; max-width: 220px; }
.km-table .muted { color: var(--km-text-muted); }

.logs-table { table-layout: fixed; }
.logs-table td { vertical-align: top; }
.logs-table th:nth-child(1) { width: 108px; }
.logs-table th:nth-child(2) { width: 14%; }
.logs-table th:nth-child(3) { width: 16%; }
.logs-table th:nth-child(4) { width: 28%; }
.logs-table th:nth-child(5) { width: 18%; }
.logs-table th:nth-child(6) { width: 88px; }
.logs-table th:nth-child(7) { width: 56px; }
.logs-table th:nth-child(8) { width: 64px; }
.logs-table .cell-ellipsis {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.logs-table .cell-recipients,
.logs-table .cell-wrap {
  white-space: normal;
  overflow: hidden;
}
.recipients {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}
.recipients span {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: 6px;
  font-size: 12px;
  line-height: 1.4;
  overflow-wrap: anywhere;
  word-break: break-word;
}
.recipients b { color: var(--km-text-muted); font-weight: 600; }

.chip { display: inline-flex; align-items: center; border-radius: 999px; padding: 2px 8px; font-size: 11px; font-weight: 600; line-height: 1.4; }
.chip-delivered { background: #ecfdf5; color: #047857; }
.chip-sent { background: #eff6ff; color: #1d4ed8; }
.chip-queued { background: #f1f5f9; color: #475569; }
.chip-bounced { background: #fffbeb; color: #b45309; }
.chip-blocked_spam, .chip-blocked, .chip-failed, .chip-complained { background: #fef2f2; color: #b91c1c; }
.chip-flagged { background: #fffbeb; color: #b45309; }

.spam-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  line-height: 1.4;
}
.spam-none { background: #f1f5f9; color: #64748b; }
.spam-flagged { background: #fffbeb; color: #b45309; }
.spam-blocked { background: #fef2f2; color: #b91c1c; }
.meta-block .spam-badge { margin-right: 6px; }

.banner {
  background: #eff6ff; border: 1px solid #bfdbfe; border-radius: 12px;
  padding: 16px; margin-bottom: 16px;
}
.key-box {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  background: #fff; border: 1px solid var(--km-border); border-radius: 8px;
  padding: 10px 12px; word-break: break-all; margin: 10px 0; font-size: 13px;
}
.alert { padding: 10px 14px; border-radius: 10px; margin-bottom: 16px; font-weight: 600; font-size: 13px; }
.alert-ok { background: #ecfdf5; color: #047857; }
.alert-err { background: #fef2f2; color: #b91c1c; }

.km-pager {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 16px; color: var(--km-text-muted); font-size: 13px;
}
.km-pager a { font-weight: 600; }

.login-screen {
  min-height: 100vh; background: var(--km-login-bg);
  display: flex; align-items: center; justify-content: center; padding: 24px;
}
.login-card {
  width: 100%; max-width: 420px; background: #fff; border-radius: 16px;
  padding: 32px; border: 1px solid var(--km-border);
}
.login-card h2 { margin: 0 0 20px; font-size: 22px; }
.login-badge {
  display: inline-block; background: #eff6ff; color: var(--km-btn-primary);
  font-size: 12px; font-weight: 700; padding: 4px 10px; border-radius: 999px; margin-bottom: 12px;
}
.btn-block { width: 100%; min-height: 44px; }

.meta-block { font-size: 14px; }
.meta-block p { margin: 0 0 14px; }
.email-body { font-size: 14px; color: var(--km-text-strong); }

.km-docs { max-width: 880px; }
.km-docs .km-card .body p { margin: 0 0 12px; color: var(--km-text-strong); }
.km-docs .km-table .cell-wrap { white-space: normal; max-width: none; }
.km-steps {
  margin: 0 0 12px;
  padding-left: 20px;
  color: var(--km-text-strong);
}
.km-steps li { margin-bottom: 8px; }
.km-steps ul { margin: 8px 0 0; padding-left: 18px; }
.km-docs-note {
  margin: 0;
  padding: 10px 12px;
  background: #f8fafc;
  border: 1px solid #f1f5f9;
  border-radius: 8px;
  color: var(--km-text-muted);
  font-size: 13px;
}
.spam-logic-note {
  margin: 16px 0 0;
  padding: 14px 16px;
  background: #f8fafc;
  border: 1px solid var(--km-border);
  border-radius: 10px;
}
.spam-logic-title {
  margin: 0 0 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--km-text-strong);
}
.spam-logic-note > p {
  margin: 0 0 12px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--km-text-muted);
}
.spam-logic-table { margin: 0; }
.spam-logic-table td { white-space: normal; }
.spam-logic-note code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 11px;
  background: #f1f5f9;
  padding: 1px 5px;
  border-radius: 4px;
}
.km-docs code, .km-steps code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12px;
  background: #f1f5f9;
  padding: 1px 6px;
  border-radius: 4px;
}
.km-code-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 8px;
  font-weight: 600;
  font-size: 13px;
}
.km-code {
  margin: 0;
  padding: 14px 16px;
  background: #0f172a;
  color: #e2e8f0;
  border-radius: 10px;
  font-size: 12px;
  line-height: 1.55;
  overflow-x: auto;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  white-space: pre-wrap;
  word-break: break-word;
}

@media (max-width: 1200px) {
  .km-kpi-row { grid-template-columns: repeat(3, 1fr); }
  .km-row { grid-template-columns: repeat(2, 1fr); }
  .filters { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 900px) {
  .km-row, .km-charts, .km-kpi-row, .form-grid, .spam-grid { grid-template-columns: 1fr; }
  .filters { grid-template-columns: 1fr 1fr; }
  .km-shell { flex-direction: column; }
  .km-sidebar,
  html.km-sidebar-collapsed .km-sidebar {
    width: 100%;
    padding: 8px 12px;
    display: flex;
    gap: 4px;
    overflow-x: auto;
    border-right: 0;
    border-bottom: 1px solid var(--km-border);
  }
  .km-sidebar-nav { flex-direction: row; }
  .km-sidebar a,
  html.km-sidebar-collapsed .km-sidebar a {
    margin: 0;
    white-space: nowrap;
    justify-content: flex-start;
    padding: 10px 12px;
  }
  html.km-sidebar-collapsed .km-nav-label { display: inline; }
  .km-sidebar-toggle { display: none; }
  .api-key-row { flex-direction: column; }
  .km-head-filters { width: 100%; margin-left: 0; }
  .km-head-select, .km-drp { width: 100%; }
  .km-drp-panel {
    min-width: 0;
    left: 0;
    right: 0;
    width: auto;
  }
  .km-drp-body { flex-direction: column; }
  .km-drp-ranges {
    width: 100%;
    border-right: 0;
    border-bottom: 1px solid #f1f5f9;
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
  }
  .km-drp-cals { flex-direction: column; align-items: center; padding: 12px; }
}