/* =========================
   Smart Greenhouse - style.css
   Palette:
   #cad2c5, #84a98c, #52796f, #354f52, #2f3e46
   ========================= */

/* Reset */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  /* Core palette */
  --c1: #cad2c5; /* light */
  --c2: #84a98c; /* soft green */
  --c3: #52796f; /* medium green */
  --c4: #354f52; /* dark teal */
  --c5: #2f3e46; /* darkest */

  /* UI tokens */
  --bg: var(--c1);
  --surface: #ffffff;
  --surface-2: #f6f7f6;
  --text: #1f2a2b;
  --muted: #425a5c;

  --border: rgba(47, 62, 70, 0.25);
  --shadow: 0 8px 18px rgba(0, 0, 0, 0.18);
  --shadow-soft: 0 4px 12px rgba(0, 0, 0, 0.10);

  --radius: 12px;
  --radius-sm: 8px;

  --header-h: 70px;
  --footer-h: 50px;
  --sidebar-w: 250px;

  --focus: rgba(82, 121, 111, 0.35);
}

html, body {
  height: 100%;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background-color: var(--bg);
  color: var(--text);
  overflow-x: hidden;
}

/* =========================
   Layout grid
   ========================= */
.container {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  grid-template-rows: var(--header-h) 1fr var(--footer-h);
  grid-template-areas:
    "header header"
    "sidebar main"
    "footer footer";
  height: 100vh;
  transition: grid-template-columns 0.3s ease;
}

/* =========================
   Header
   ========================= */
header {
  grid-area: header;
  background-color: var(--c2);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 30px;
  box-shadow: var(--shadow-soft);
  font-weight: 700;
  font-size: 1.35rem;
  color: var(--c5);
  position: relative;
  z-index: 1001;
  gap: 20px;
  min-height: var(--header-h);
}

/* Hamburger (mobile) */
.toggle-btn {
  display: none;
  flex-direction: column;
  justify-content: space-around;
  width: 28px;
  height: 22px;
  cursor: pointer;
  order: 0;
  z-index: 1102;
}

.toggle-btn div {
  width: 100%;
  height: 3.5px;
  background-color: var(--c5);
  border-radius: 2px;
  transition: 0.3s;
}

/* Center logo */
.logo {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  font-weight: 800;
  font-size: 1.6rem;
  user-select: none;
  pointer-events: none;
  white-space: nowrap;
  z-index: 1101;
  text-align: center;
  width: 100%;
  color: var(--c5);
}

/* Right info */
.last-update {
  white-space: nowrap;
  font-size: 1rem;
  font-weight: 600;
  color: var(--c5);
  order: 3;
  user-select: none;
  z-index: 1102;
  flex-shrink: 0;
  padding-left: 15px;
  min-width: 180px;
  text-align: right;
}

/* Focus accessibility */
.toggle-btn:focus,
.toggle-btn:focus-visible,
aside.sidebar a:focus,
aside.sidebar a:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
  border-radius: 10px;
}

/* =========================
   Sidebar
   ========================= */
aside.sidebar {
  grid-area: sidebar;
  background-color: var(--c1);
  padding: 28px 25px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  box-shadow: 2px 0 10px rgba(0, 0, 0, 0.06);
  font-weight: 700;
  color: var(--c4);
  transition: transform 0.3s ease;
  position: relative;
  z-index: 1000;
  border-right: 1px solid var(--border);
}

aside.sidebar a {
  color: var(--c5);
  text-decoration: none;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  background-color: rgba(132, 169, 140, 0.22);
  border: 1px solid rgba(47, 62, 70, 0.18);
  transition: background-color 0.25s ease, color 0.25s ease, transform 0.15s ease;
  font-size: 1.02rem;
}

aside.sidebar a:hover {
  background-color: var(--c3);
  color: #ffffff;
  transform: translateY(-1px);
}

aside.sidebar a.active {
  background-color: var(--c5);
  color: #ffffff;
  pointer-events: none;
  border-color: rgba(255, 255, 255, 0.12);
}

/* =========================
   Main content
   ========================= */
main {
  grid-area: main;
  background-color: var(--bg);
  padding: 35px 45px;
  overflow-y: auto;
  color: var(--text);
  display: flex;
  flex-direction: column;
  align-items: center;
}

main h1 {
  margin-bottom: 18px;
  font-weight: 900;
  color: var(--c5);
  font-size: 2.05rem;
  text-align: center;
  width: 100%;
}

/* Image box */
.image-box {
  width: 100%;
  max-width: 960px;
  height: 300px;
  margin-bottom: 28px;
  border: 2px solid rgba(47, 62, 70, 0.35);
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.image-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Description text (optional class if you want remove inline style) */
.description {
  max-width: 960px;
  margin-bottom: 32px;
  font-size: 1.07rem;
  line-height: 1.65;
  color: var(--muted);
  text-align: justify;
}

/* Section title */
.monitoring-title {
  width: 100%;
  max-width: 960px;
  margin: 8px 0 18px;
  font-weight: 900;
  font-size: 1.75rem;
  color: var(--c5);
  text-align: left;
  border-bottom: 3px solid rgba(82, 121, 111, 0.55);
  padding-bottom: 8px;
}

/* =========================
   Cards
   ========================= */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
  gap: 18px;
  width: 100%;
  max-width: 960px;
}

/* Card base */
.card {
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
  border: 1px solid rgba(47, 62, 70, 0.22);
  background: var(--surface);
  overflow: hidden;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 22px rgba(0, 0, 0, 0.22);
}

.card-header {
  font-size: 1.18rem;
  font-weight: 900;
  padding: 14px 16px;
  color: #ffffff;
  letter-spacing: 0.2px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.card-body {
  background-color: var(--surface-2);
  color: var(--text);
  padding: 18px;
  text-align: center;
}

.card-body h2 {
  font-size: 2.25rem;
  font-weight: 900;
  color: var(--c5);
}

/* Header color variants (use these on each card header) */
.bg-suhu { background-color: var(--c3); }         /* Suhu */
.bg-humid-air { background-color: var(--c4); }    /* Kelembapan udara */
.bg-soil { background-color: var(--c5); }         /* Kelembapan tanah */
.bg-ph { background-color: var(--c3); }           /* pH tanah */
.bg-co2 { background-color: var(--c4); }          /* CO2 */

/* Status badge (for rule engine output) */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: 999px;
  font-weight: 800;
  font-size: 0.95rem;
  border: 1px solid rgba(47, 62, 70, 0.18);
  background: rgba(202, 210, 197, 0.55);
  color: var(--c5);
}

.badge.ok {
  background: rgba(132, 169, 140, 0.25);
  color: var(--c5);
  border-color: rgba(132, 169, 140, 0.55);
}
.badge.warn {
  background: rgba(82, 121, 111, 0.18);
  color: var(--c5);
  border-color: rgba(82, 121, 111, 0.40);
}
.badge.alert {
  background: rgba(53, 79, 82, 0.16);
  color: var(--c5);
  border-color: rgba(47, 62, 70, 0.45);
}

/* Rule engine panel (optional container) */
.rule-panel {
  width: 100%;
  max-width: 960px;
  margin-top: 22px;
  background: var(--surface);
  border: 1px solid rgba(47, 62, 70, 0.18);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  padding: 16px 18px;
}

.rule-panel h3 {
  font-size: 1.2rem;
  font-weight: 900;
  color: var(--c5);
  margin-bottom: 10px;
}

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

.rule-item {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  justify-content: space-between;
  padding: 10px 12px;
  background: rgba(202, 210, 197, 0.35);
  border: 1px solid rgba(47, 62, 70, 0.16);
  border-radius: 10px;
}

.rule-item .rule-text {
  color: var(--c5);
  line-height: 1.35;
}

.rule-item .rule-then {
  color: var(--c4);
  font-weight: 800;
  white-space: nowrap;
}

/* =========================
   Footer
   ========================= */
footer {
  grid-area: footer;
  background-color: var(--c2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1rem;
  color: var(--c5);
  box-shadow: var(--shadow-soft);
  padding: 0 15px;
}

/* =========================
   Overlay (mobile sidebar)
   ========================= */
.overlay {
  position: fixed;
  top: var(--header-h);
  left: 0;
  width: 100%;
  height: calc(100% - (var(--header-h) + var(--footer-h)));
  background: rgba(0, 0, 0, 0.32);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease;
  z-index: 1050;
}

.overlay.show {
  opacity: 1;
  visibility: visible;
}

/* =========================
   Responsive
   ========================= */
@media (max-width: 1024px) {
  main {
    padding: 25px 30px;
  }
  .cards-grid {
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 16px;
    max-width: 100%;
  }
  .image-box {
    height: 240px;
  }
  .monitoring-title {
    font-size: 1.55rem;
  }
}

@media (max-width: 768px) {
  .container {
    grid-template-columns: 1fr;
    grid-template-rows: var(--header-h) 1fr var(--footer-h);
    grid-template-areas:
      "header"
      "main"
      "footer";
  }

  /* Show hamburger */
  .toggle-btn {
    display: flex;
  }

  /* Sidebar becomes drawer */
  aside.sidebar {
    position: fixed;
    top: var(--header-h);
    left: 0;
    width: var(--sidebar-w);
    height: calc(100% - (var(--header-h) + var(--footer-h)));
    background-color: var(--c1);
    box-shadow: 2px 0 16px rgba(0, 0, 0, 0.22);
    padding: 20px;
    transform: translateX(-100%);
    z-index: 1100;
    border-right: 1px solid rgba(47, 62, 70, 0.22);
  }

  aside.sidebar.show {
    transform: translateX(0);
  }

  main {
    padding: 18px 14px;
  }

  .cards-grid {
    grid-template-columns: 1fr !important;
    gap: 14px;
  }

  .image-box {
    height: 180px;
    margin-bottom: 20px;
  }

  .monitoring-title {
    font-size: 1.4rem;
  }

  .last-update {
    min-width: 150px;
    font-size: 0.95rem;
  }
}