/* =====================================================================
   SmartController Dashboard
   Design system inspired by fermenter.sf10.kr
   ===================================================================== */

:root {
  /* Surfaces */
  --bg-dark:   #1a1a1a;
  --bg-card:   #2a2a2a;
  --bg-card2:  #333333;
  --border:    #444444;
  --border-soft: #2f2f2f;

  /* Brand */
  --header-green: #4CAF50;
  --header-green-hover: #43A047;
  --tab-active:  #4CAF50;

  /* Sensor / status accents */
  --c-blue:    #2196F3;
  --c-orange:  #FF9800;
  --c-green:   #4CAF50;
  --c-white:   #FFFFFF;
  --c-red:     #F44336;

  /* Text */
  --text-primary:   #EEEEEE;
  --text-secondary: #AAAAAA;
  --text-muted:     #777777;

  /* Status */
  --ok:      #4CAF50;
  --danger:  #F44336;
  --off:     #9aa3ad;

  /* Legacy aliases (kept for HTML/JS compatibility) */
  --bg:     var(--bg-dark);
  --panel:  var(--bg-card);
  --card:   var(--bg-card);
  --fg:     var(--text-primary);
  --muted:  var(--text-secondary);
  --accent: var(--header-green);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg-dark);
  color: var(--text-primary);
  font-family: "Segoe UI", "Noto Sans KR", -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  font-size: 14px;
  min-height: 100vh;
}

a { color: var(--header-green); text-decoration: none; }
a:hover { text-decoration: underline; }

/* =====================================================================
   Top bar / Header (green branded bar like reference)
   ===================================================================== */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  background: var(--header-green);
  color: #fff;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
  flex-wrap: wrap;
  gap: 10px;
}

.topbar h1 {
  font-size: 16px;
  font-weight: 700;
  margin: 0;
  letter-spacing: 0.3px;
  color: #fff;
}

.header-meta {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
  color: #fff;
}

.header-meta .stat {
  display: flex;
  gap: 4px;
  align-items: baseline;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.92);
}

.header-meta .label,
.card .label,
.pitem .label {
  color: var(--text-secondary);
  font-size: 12px;
}

/* On the green topbar, labels need lighter color */
.topbar .header-meta .label { color: rgba(255, 255, 255, 0.78); }

.alias { font-weight: 700; color: #fff; }

/* Header-only inputs/buttons override the global accent */
.topbar select,
.topbar a,
.topbar button {
  background: rgba(0, 0, 0, 0.25);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.3);
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 12px;
  cursor: pointer;
}
.topbar a { padding: 4px 8px; }
.topbar button:hover,
.topbar a:hover { background: rgba(0, 0, 0, 0.4); text-decoration: none; }

/* Status badge */
.badge {
  padding: 3px 8px;
  border-radius: 6px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.3px;
  text-transform: uppercase;
  white-space: nowrap;
}
.badge.online  { background: #1b5e20; color: #a5d6a7; }
.badge.offline { background: #4a1515; color: #ef9a9a; }

/* =====================================================================
   Main layout
   ===================================================================== */
.dash {
  padding: 16px;
  max-width: 1280px;
  margin: 0 auto;
}

/* =====================================================================
   Sensor cards (top row)
   - Color accents per sensor like reference
   ===================================================================== */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 10px;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  text-align: center;
  align-items: center;
  justify-content: center;
  min-height: 96px;
}

.card .label {
  font-size: 12px;
  color: var(--text-secondary);
  white-space: nowrap;
}

.card .value {
  font-size: 36px;
  font-weight: 700;
  line-height: 1.05;
  margin-top: 2px;
}

.card .unit {
  color: var(--text-muted);
  font-size: 11px;
  margin-top: 2px;
}

/* Per-sensor color accents (mapped by HTML id) */
#heat-t  { color: var(--c-orange); }   /* 히터 온도 */
#fan-t   { color: var(--c-green);  }   /* 환풍 온도 */
#inner-t { color: var(--c-blue);   }   /* 품온 */
#rm-h    { color: var(--c-white);  }   /* 환풍 습도 */

/* =====================================================================
   Relay state cards
   ===================================================================== */
.states {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 10px;
  margin-top: 12px;
}

.state-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 14px 16px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.state-card .label {
  font-size: 12px;
  color: var(--text-secondary);
}

.state-badge {
  padding: 6px 16px;
  border-radius: 8px;
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.5px;
  min-width: 56px;
  text-align: center;
}
.state-badge.on      { background: var(--c-red);  color: #fff; }   /* 히터 ON */
#fan-state .state-badge.on { background: var(--c-blue); color: #fff; } /* 환풍기 ON */
.state-badge.off     { background: #3a3a3a; color: var(--text-secondary); border: 1px solid var(--border); }
.state-badge.unknown { background: #3a4555; color: var(--text-muted); }

/* =====================================================================
   Placeholder / Blynk panel (collapsible)
   ===================================================================== */
.placeholder-panel {
  margin-top: 12px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 16px;
}

.placeholder-panel summary {
  cursor: pointer;
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 600;
  padding: 4px 0;
  list-style: none;
}
.placeholder-panel summary::-webkit-details-marker { display: none; }
.placeholder-panel summary::before {
  content: '▸';
  display: inline-block;
  margin-right: 6px;
  transition: transform 0.15s;
  color: var(--text-muted);
}
.placeholder-panel[open] summary::before { transform: rotate(90deg); }

.placeholder-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 8px;
  margin-top: 12px;
}

/* fermenter.sf10.kr 디자인 시스템 차용 (tab-nav / tab-btn / tab-content)
   prefix `ctl-`로 admin 탭(.tabs)과 충돌 회피 */
.ctl-tab-nav {
  display: flex;
  margin-top: 12px;
  border-bottom: 2px solid var(--border);
}
.ctl-tab-btn {
  flex: 1;
  padding: 10px 8px;
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  border-bottom: 3px solid transparent;
  margin-bottom: -2px; /* border-bottom 겹치게 */
  transition: color 0.2s, border-bottom-color 0.2s;
}
.ctl-tab-btn.active {
  color: var(--tab-active);
  border-bottom-color: var(--tab-active);
}
.ctl-tab-btn:hover:not(.active) {
  color: var(--text-primary);
}
.ctl-tab-btn:focus-visible {
  outline: 2px solid var(--c-blue);
  outline-offset: -2px;
  border-radius: 4px;
}
.ctl-tab-content {
  display: none;
  padding-top: 12px;
}
.ctl-tab-content.active {
  display: block;
}
.ctl-tab-content .placeholder-grid {
  margin-top: 0;
}
.ctl-tab-content > .muted.small {
  margin-top: 10px;
  margin-bottom: 0;
}

.pitem {
  display: flex;
  flex-direction: column;
  gap: 4px;
  background: var(--bg-card2);
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
}
.pitem .label { font-size: 11px; }
.pitem button,
.pitem input {
  background: var(--bg-card);
  color: var(--text-secondary);
  border: 1px solid var(--border);
  padding: 5px 8px;
  border-radius: 6px;
  font-size: 13px;
}
/* 제어 패널 V11/V12 작동상태 버튼 (실데이터 색) */
.ctl-btn.on        { background: var(--c-red);  color: #fff; border-color: transparent; }
#ctl-fan.on        { background: var(--c-blue); color: #fff; }
.ctl-btn.off       { background: #3a3a3a; color: var(--text-secondary); }
.ctl-btn.unknown   { background: #3a4555; color: var(--text-muted); }
.ctl-btn:disabled  { cursor: not-allowed; opacity: 0.95; }
/* V21/V22/V23 설정값 입력: 편집 가능 → 호버/포커스 시 강조 */
.pitem input[type="number"] {
  font-variant-numeric: tabular-nums;
  text-align: right;
  cursor: text;
}
.pitem input[type="number"]:hover { border-color: var(--text-secondary); }
.pitem input[type="number"]:focus { outline: 2px solid var(--c-blue); outline-offset: -1px; border-color: var(--c-blue); }
.pitem input[type="number"][data-pending="1"] { background: #2a3340; border-color: var(--c-blue); }
/* readonly 호환 (다른 패널에서 readonly로 쓸 때) */
.pitem input[readonly] { font-variant-numeric: tabular-nums; text-align: right; }

.small { font-size: 11px; }
.muted { color: var(--text-muted); }

/* =====================================================================
   Chart wrapper
   ===================================================================== */
.chart-wrap {
  margin-top: 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 14px 16px;
  border-radius: 10px;
}
.chart-wrap h2 {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin: 0 0 12px 0;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

/* =====================================================================
   Buttons & form controls (global)
   ===================================================================== */
button {
  background: var(--header-green);
  color: #fff;
  border: none;
  padding: 8px 16px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, opacity 0.15s;
  font-family: inherit;
}
button:hover  { background: var(--header-green-hover); }
button:active { opacity: 0.85; }
button:disabled {
  background: var(--bg-card2);
  color: var(--text-muted);
  cursor: not-allowed;
  border: 1px solid var(--border);
}
button.danger { background: var(--c-red); color: #fff; }
button.danger:hover { background: #d32f2f; }
button.secondary {
  background: var(--bg-card2);
  color: var(--text-primary);
  border: 1px solid var(--border);
}
button.secondary:hover { background: #3f3f3f; }

select,
input[type="text"],
input[type="password"],
input[type="number"],
input[type="datetime-local"],
input[type="email"] {
  background: var(--bg-card2);
  color: var(--text-primary);
  border: 1px solid var(--border);
  padding: 8px 10px;
  border-radius: 6px;
  font-size: 13px;
  font-family: inherit;
  outline: none;
  transition: border-color 0.15s;
}
select:focus,
input:focus { border-color: var(--header-green); }

/* =====================================================================
   Tabs (admin)
   ===================================================================== */
.tabs {
  display: flex;
  gap: 0;
  padding: 0 16px;
  background: #222;
  border-bottom: 2px solid var(--border);
  position: sticky;
  top: 54px;
  z-index: 99;
}
.tabs button {
  background: transparent;
  color: var(--text-secondary);
  border: none;
  border-bottom: 3px solid transparent;
  border-radius: 0;
  padding: 12px 20px;
  font-size: 13px;
  font-weight: 600;
  transition: color 0.2s, border-color 0.2s;
}
.tabs button:hover:not(.active) { color: var(--text-primary); background: transparent; }
.tabs button.active {
  background: transparent;
  color: var(--tab-active);
  border-bottom-color: var(--tab-active);
}

/* =====================================================================
   Admin tables
   ===================================================================== */
.admin {
  padding: 16px;
  max-width: 1280px;
  margin: 0 auto;
}

.admin section.tab { margin-bottom: 16px; }
.admin h3 {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin: 20px 0 10px 0;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

.admin table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 12px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  font-size: 13px;
}
.admin th, .admin td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border-soft);
  text-align: left;
}
.admin th {
  background: var(--bg-card2);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-secondary);
}
.admin tr:last-child td { border-bottom: none; }
.admin tr:hover td { background: rgba(255, 255, 255, 0.03); }

.admin form {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  margin-top: 8px;
}
.admin form label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 12px;
  color: var(--text-secondary);
}

/* =====================================================================
   Dialogs
   ===================================================================== */
dialog {
  background: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  min-width: 340px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.6);
}
dialog::backdrop { background: rgba(0, 0, 0, 0.5); }
dialog h3 {
  margin: 0 0 12px 0;
  font-size: 16px;
  color: var(--text-primary);
  border: none;
  padding: 0;
  text-transform: none;
  letter-spacing: 0;
}
dialog form { display: grid; gap: 12px; }
dialog label {
  display: grid;
  gap: 4px;
  font-size: 12px;
  color: var(--text-secondary);
}
dialog menu {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
  padding: 0;
  margin: 12px 0 0 0;
}
dialog menu button[value="cancel"] {
  background: var(--bg-card2);
  color: var(--text-primary);
  border: 1px solid var(--border);
}
dialog menu button[value="cancel"]:hover { background: #3f3f3f; }

/* =====================================================================
   Login (auth) page
   ===================================================================== */
.auth-page {
  display: flex;
  min-height: 100vh;
  align-items: center;
  justify-content: center;
  background: var(--bg-dark);
}

.auth-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 32px 28px;
  border-radius: 12px;
  width: min(360px, 90vw);
  display: grid;
  gap: 14px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}
.auth-card h1 {
  text-align: center;
  margin: 0;
  font-size: 22px;
  font-weight: 700;
  color: var(--header-green);
  letter-spacing: 0.3px;
}
.auth-card .muted {
  text-align: center;
  font-size: 12px;
  color: var(--text-muted);
  margin: -6px 0 6px 0;
}
.auth-card form { display: grid; gap: 12px; }
.auth-card label {
  display: grid;
  gap: 6px;
  font-size: 12px;
  color: var(--text-secondary);
}
.auth-card button[type="submit"] {
  margin-top: 6px;
  padding: 11px;
  font-size: 14px;
  font-weight: 700;
}

.err {
  color: var(--danger);
  font-size: 13px;
  text-align: center;
  margin-top: 6px;
}

/* =====================================================================
   Responsive
   ===================================================================== */
@media (max-width: 640px) {
  .dash { padding: 12px; }
  .card .value { font-size: 30px; }
  .topbar { padding: 8px 12px; }
  .topbar h1 { font-size: 15px; }
  .header-meta { gap: 6px; }
  .header-meta .stat { font-size: 11px; }
  .cards { grid-template-columns: repeat(2, 1fr); gap: 8px; }
  .card { padding: 10px; min-height: 84px; }
  .card .value { font-size: 26px; }
  .states { grid-template-columns: 1fr 1fr; }
  .state-card { padding: 12px; }
  .state-badge { font-size: 13px; padding: 5px 12px; }
  .tabs { padding: 0 8px; }
  .tabs button { padding: 10px 12px; font-size: 12px; }
  .admin { padding: 12px; }
  .admin table { font-size: 12px; }
  .admin th, .admin td { padding: 8px; }
}

@media (max-width: 380px) {
  .cards { grid-template-columns: 1fr 1fr; }
  .card .value { font-size: 24px; }
}

/* Firmware tab (Design §6) */
.fw-toolbar { display: flex; gap: 12px; align-items: center; margin-bottom: 12px; flex-wrap: wrap; }
.fw-toolbar label { display: inline-flex; align-items: center; gap: 4px; font-size: 14px; }
#fw-assets-body tr.archived { opacity: 0.5; font-style: italic; }
#fw-assets-body .sha-cell { cursor: pointer; font-family: monospace; }
#fw-assets-body .sha-cell:hover { background: #f0f0f0; }
#fw-upload-dialog form, #fw-deploy-dialog form { display: flex; flex-direction: column; gap: 10px; min-width: 360px; }
#fw-upload-dialog label, #fw-deploy-dialog label { display: flex; flex-direction: column; font-size: 14px; gap: 4px; }
#fw-upload-dialog menu, #fw-deploy-dialog menu { display: flex; justify-content: flex-end; gap: 8px; margin: 12px 0 0; padding: 0; }