:root {
  --primary: #0066cc;
  --primary-focus: #0071e3;
  --primary-on-dark: #2997ff;
  --canvas: #ffffff;
  --parchment: #f5f5f7;
  --tile-dark: #272729;
  --tile-dark-2: #2a2a2c;
  --ink: #1d1d1f;
  --muted: #7a7a7a;
  --hairline: #e0e0e0;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "SF Pro Text", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--canvas);
}

a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
button:focus,
input:focus,
select:focus,
textarea:focus,
dialog:focus {
  outline: none;
}

.global-nav {
  position: sticky;
  top: 0;
  z-index: 10;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  background: #000;
  color: #fff;
  font-size: 12px;
  letter-spacing: -0.12px;
}
.brand { font-weight: 600; }
.nav-links { display: flex; gap: 8px; color: #ccc; }
.nav-links a {
  padding: 7px 12px;
  border-radius: 9999px;
  transition: background 0.12s ease, color 0.12s ease, transform 0.12s ease;
}
.nav-links a:hover { color: #fff; }
.nav-links a:active { transform: scale(0.95); }
.nav-links a.active {
  color: #fff;
  background: rgba(255, 255, 255, 0.22);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.18);
}
.mqtt-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-width: 112px;
  justify-content: flex-end;
  font-size: 12px;
  color: #ff453a;
}
.mqtt-status.connected { color: #30d158; }
.mqtt-status.disconnected { color: #ff453a; }
.mqtt-dot {
  width: 8px;
  height: 8px;
  border-radius: 9999px;
  background: currentColor;
}

.tile-light, .tile-parchment, .tile-dark {
  padding: 80px 24px;
}
.tile-light { background: var(--canvas); }
.tile-parchment { background: var(--parchment); }
.tile-dark { background: var(--tile-dark); color: #fff; }
.compact { padding-top: 56px; padding-bottom: 56px; }

.hero { text-align: center; }
.hero h1 {
  margin: 8px auto 12px;
  max-width: 980px;
  font-family: "SF Pro Display", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: clamp(34px, 6vw, 56px);
  line-height: 1.07;
  letter-spacing: -0.28px;
  font-weight: 600;
}
.lead {
  max-width: 980px;
  margin: 0 auto;
  font-size: clamp(21px, 3vw, 28px);
  line-height: 1.25;
  letter-spacing: -0.2px;
}
.page-intro {
  padding-top: 40px;
  padding-bottom: 40px;
}
.page-intro h1 {
  font-size: clamp(28px, 4vw, 34px);
  line-height: 1.12;
  margin-bottom: 8px;
}
.page-intro .lead {
  font-size: 17px;
  line-height: 1.47;
  max-width: 720px;
}
.logs-intro {
  padding-top: 32px;
  padding-bottom: 24px;
}
.logs-section {
  padding-top: 24px;
  padding-bottom: 24px;
}
.eyebrow {
  margin: 0 0 8px;
  color: var(--muted);
  font-size: 14px;
}
.tile-dark .eyebrow, .tile-dark p { color: #ccc; }

.hero-actions, .inline-actions, .inline-form {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}
.compact-actions { margin-top: 20px; }
.home-status {
  padding-bottom: 64px;
}
.status-note {
  margin: 36px auto 20px;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.47;
}
.home-state-grid {
  margin-top: 0;
  text-align: left;
}
.button-primary, .button-secondary, .button-secondary-on-dark {
  min-height: 44px;
  border-radius: 9999px;
  padding: 11px 22px;
  border: 1px solid var(--primary);
  cursor: pointer;
  transition: transform 0.12s ease;
}
.button-primary {
  background: var(--primary);
  color: #fff;
}
.button-secondary {
  background: transparent;
  color: var(--primary);
}
.button-secondary-on-dark {
  background: transparent;
  color: var(--primary-on-dark);
  border-color: var(--primary-on-dark);
}
.button-primary:active, .button-secondary:active, .button-secondary-on-dark:active { transform: scale(0.95); }
.button-primary:focus, .button-secondary:focus, .button-secondary-on-dark:focus { outline: none; }
.button-primary:focus-visible, .button-secondary:focus-visible, .button-secondary-on-dark:focus-visible { outline: 2px solid var(--primary-focus); outline-offset: 2px; }
.small { min-height: 36px; padding: 8px 15px; font-size: 14px; }

.section-heading {
  max-width: 980px;
  margin: 0 auto 32px;
  text-align: center;
}
.section-heading h2 {
  margin: 0 0 8px;
  font-size: 40px;
  line-height: 1.1;
  letter-spacing: -0.28px;
  font-weight: 600;
}
.section-heading p { margin: 0; font-size: 17px; line-height: 1.47; }
.dark-text { color: var(--ink); }
.compact-heading { margin-bottom: 24px; }
.compact-heading .button-primary { margin-top: 20px; }

.state-grid, .card-grid, .plan-columns, .two-col {
  max-width: 1180px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}
.plan-columns, .two-col { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.state-card, .utility-card {
  border-radius: 18px;
  padding: 24px;
  border: 1px solid var(--hairline);
  background: #fff;
  color: var(--ink);
}
.state-card { background: var(--tile-dark-2); border-color: rgba(255,255,255,0.12); color: #fff; }
.home-state-grid .state-card {
  background: #fff;
  color: var(--ink);
  border-color: var(--hairline);
}
.home-state-grid .state-card p,
.home-state-grid .state-card .eyebrow {
  color: var(--muted);
}
.state-value {
  margin: 4px 0 8px;
  font-size: 40px;
  line-height: 1.1;
  letter-spacing: -0.28px;
}
.state-on { color: #30d158; }
.state-off { color: #ff453a; }
.utility-card h2, .utility-card h3 { margin-top: 0; }
.schedule-status { font-weight: 600; }
.schedule-status-enabled { color: #30d158; }
.schedule-status-disabled { color: #ff453a; }
.schedule-disabled .schedule-content {
  color: var(--muted);
  text-decoration: line-through;
}
.holiday-import-grid { align-items: stretch; }
.holiday-card {
  display: grid;
  grid-template-rows: auto 360px auto;
  gap: 18px;
}
.holiday-card > .holiday-textarea,
.holiday-card > .holiday-form {
  min-height: 0;
}
.holiday-card-header {
  display: grid;
  align-content: start;
  gap: 0;
}
.holiday-card-header h2 { margin: 0; }
.holiday-card-header p { margin: 0; font-size: 14px; line-height: 1.47; }
.holiday-form {
  display: contents;
}
.holiday-textarea {
  height: 360px;
  min-height: 360px;
}
.holiday-action { justify-self: center; }
.wide { max-width: 1180px; margin-left: auto; margin-right: auto; }
.muted { color: var(--muted); }

.timeline { display: grid; gap: 14px; }
.timeline-item {
  display: grid;
  gap: 4px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--hairline);
}
.timeline-item:last-child { border-bottom: 0; padding-bottom: 0; }
.timeline-item span { color: var(--muted); }

.table-wrap { overflow-x: auto; }
.table-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
}
.table-card-header h2 { margin: 0; }
.log-table-card { overflow: hidden; }
.table-scroll {
  position: relative;
  max-height: calc(100vh - 285px);
  overflow: auto;
  background: var(--canvas);
}
table { width: 100%; border-collapse: separate; border-spacing: 0; font-size: 14px; }
th, td { padding: 12px 10px; border-bottom: 1px solid var(--hairline); text-align: left; vertical-align: top; }
th {
  position: sticky;
  top: 0;
  z-index: 3;
  background: var(--canvas);
  box-shadow: inset 0 1px 0 var(--canvas), 0 1px 0 var(--hairline);
  font-weight: 600;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  align-items: start;
}
label { display: grid; grid-template-rows: auto 44px auto; gap: 8px; font-size: 14px; color: var(--muted); }
.field-hint { font-size: 12px; color: var(--muted); }
input, select, textarea {
  width: 100%;
  height: 44px;
  border: 1px solid rgba(0,0,0,0.08);
  border-radius: 18px;
  padding: 12px 16px;
  background: #fff;
  color: var(--ink);
}
textarea { height: auto; resize: vertical; line-height: 1.45; font-family: ui-monospace, SFMono-Regular, Consolas, monospace; }
.weekday-picker {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 18px;
}
.weekday-picker[hidden] { display: none; }
.weekday-picker label { display: flex; grid-template-rows: none; align-items: center; gap: 6px; }
.weekday-picker input { width: auto; }
.form-actions {
  grid-column: 1 / -1;
  display: flex;
  justify-content: center;
  margin-top: 4px;
}

.notice {
  position: fixed;
  top: 58px;
  left: 50%;
  z-index: 30;
  transform: translateX(-50%);
  width: min(520px, calc(100vw - 32px));
  margin: 0;
  padding: 12px 18px;
  border-radius: 18px;
  background: #e8f2ff;
  color: var(--ink);
  text-align: center;
  border: 1px solid rgba(0, 102, 204, 0.16);
  animation: message-pop 3.2s ease forwards;
}
.notice-error {
  background: #fff0f0;
  border-color: rgba(255, 69, 58, 0.18);
}

@keyframes message-pop {
  0% { opacity: 0; transform: translate(-50%, -8px); }
  12% { opacity: 1; transform: translate(-50%, 0); }
  78% { opacity: 1; transform: translate(-50%, 0); }
  100% { opacity: 0; transform: translate(-50%, -8px); visibility: hidden; }
}
code { word-break: break-all; }
.topic-preview p { line-height: 1.6; }
.topic-preview { margin-top: 24px; }

.modal {
  width: min(760px, calc(100vw - 32px));
  border: 1px solid var(--hairline);
  border-radius: 18px;
  padding: 24px;
  color: var(--ink);
  background: rgba(245, 245, 247, 0.96);
  backdrop-filter: saturate(180%) blur(20px);
}
.modal::backdrop { background: rgba(0, 0, 0, 0.36); }
.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 24px;
}
.modal-header h2 {
  margin: 0;
  font-size: 34px;
  line-height: 1.12;
  letter-spacing: -0.28px;
}
.modal-close {
  width: 36px;
  height: 36px;
  border: 0;
  border-radius: 9999px;
  background: rgba(0, 0, 0, 0.06);
  color: var(--ink);
  cursor: pointer;
  font-size: 24px;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.12s ease, background 0.12s ease;
}
.modal-close:active { transform: scale(0.95); }
.modal-close:hover { background: rgba(0, 0, 0, 0.1); }
.modal-form {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px 18px;
}
.modal-form label { min-width: 0; }
.modal-actions {
  grid-column: 1 / -1;
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  margin-top: 8px;
}

@media (max-width: 833px) {
  .global-nav { padding: 0 16px; }
  .nav-links { gap: 6px; }
  .state-grid, .card-grid, .plan-columns, .two-col, .form-grid { grid-template-columns: 1fr; }
  .tile-light, .tile-parchment, .tile-dark { padding: 48px 16px; }
  .section-heading h2 { font-size: 34px; }
}

@media (max-width: 520px) {
  .nav-links { font-size: 11px; gap: 2px; }
  .nav-links a { padding: 7px 8px; }
  .mqtt-status { min-width: auto; font-size: 11px; }
  .mqtt-status span:last-child { display: none; }
  .brand { display: none; }
  .hero-actions, .inline-actions { align-items: stretch; }
  .hero-actions form, .inline-actions form, .hero-actions button, .inline-actions button { width: 100%; }
}