/* ===== Utilities & Fixes ===== */
.object-fit-contain{object-fit:contain;background:#fff}
.min-w-0{min-width:0}
.w-100{width:100%}
.media-item{display:flex;align-items:center;gap:.75rem;padding:.5rem .75rem}
.media-thumb{flex:0 0 auto;margin-right:.5rem}
.media-body{min-width:0;flex:1 1 auto}
.text-truncate{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.clamp-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.clamp-3{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}

/* Stars */
.fa-star,.fa-star-half-stroke{color:#ffb400}

/* ===== IoT Theme ===== */
:root{
  --iot-primary:#0ea5e9;
  --iot-accent:#22d3ee;
  --iot-dark:#0b1020;
  --iot-grid:rgba(255,255,255,.06)
}
.iot-theme{
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(14,165,233,.20), transparent),
    radial-gradient(800px 500px at 100% 10%, rgba(34,211,238,.12), transparent),
    linear-gradient(180deg, #ffffff, #f8fafc);
  min-height:100vh
}
.iot-bg{position:fixed;inset:0;pointer-events:none;z-index:0}
.iot-grid{
  position:absolute;inset:0;
  background-image:
    linear-gradient(0deg, var(--iot-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--iot-grid) 1px, transparent 1px);
  background-size:32px 32px;
  -webkit-mask-image:radial-gradient(circle at 20% 0%, black, transparent 65%);
          mask-image:radial-gradient(circle at 20% 0%, black, transparent 65%)
}
.iot-glow{position:absolute;width:420px;height:420px;border-radius:999px;filter:blur(80px);opacity:.35}
.iot-glow-a{top:10%;left:5%;background:radial-gradient(circle, var(--iot-primary), transparent 60%)}
.iot-glow-b{bottom:10%;right:5%;background:radial-gradient(circle, var(--iot-accent), transparent 60%)}

/* Hero & Buttons */
.iot-hero-card{background:linear-gradient(135deg,#ffffff 0%,#f2f7fb 100%);border:1px solid #e6eef6}
.btn-primary{background:linear-gradient(135deg,var(--iot-primary),var(--iot-accent));border:none;box-shadow:0 6px 16px rgba(14,165,233,.3)}
.btn-primary:hover{filter:brightness(.96)}
.iot-pulse{position:relative}
.iot-pulse::after{content:"";position:absolute;inset:-4px;border-radius:16px;box-shadow:0 0 0 0 rgba(14,165,233,.55);animation:pulse 1.4s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(14,165,233,.55)}70%{box-shadow:0 0 0 18px rgba(14,165,233,0)}100%{box-shadow:0 0 0 0 rgba(14,165,233,0)}}

/* Cards */
.card.shadow-sm,.concept-card{border:1px solid #eaf0f6!important}
.card:hover{transform:translateY(-1px);transition:transform .12s ease}
.concept-card .list-group-item{transition:transform .12s ease, background-color .12s ease}
.concept-card .list-group-item:hover{transform:translateX(3px);background-color:#f8fafc}

/* Kategori Cards */
.iot-card{
  border-radius:16px;overflow:hidden;
  background:linear-gradient(180deg,#ffffff 0%,#f8fbfe 100%);
  border:1px solid #eaf0f6!important;
  transition:transform .15s ease, box-shadow .15s ease
}
.iot-card:hover{transform:translateY(-3px);box-shadow:0 10px 24px rgba(14,165,233,.12)}
.iot-card-top{
  background:
    radial-gradient(300px 120px at 0% -20%, rgba(14,165,233,.10), transparent 60%),
    radial-gradient(300px 120px at 100% -30%, rgba(34,211,238,.10), transparent 60%),
    linear-gradient(180deg,#ffffff,#f2f7fb);
  border-bottom:1px solid #eef3f8
}
.iot-card-mid{padding:.75rem 1rem;border-bottom:1px dashed rgba(14,165,233,.25);background:linear-gradient(180deg,#ffffff 0%,#fbfdff 100%)}
.iot-badge{background:linear-gradient(135deg,var(--iot-primary),var(--iot-accent));color:#fff;box-shadow:0 2px 10px rgba(14,165,233,.35)}

/* Pros & Cons Table */
.proscons-table th{font-weight:600;border-bottom:2px solid #dee2e6!important}
.proscons-table td{vertical-align:top;font-size:.95rem;padding:.5rem .75rem}
.proscons-table td:first-child{background-color:#f6fffa;border-right:1px solid #e0f2e9}
.proscons-table td:last-child{background-color:#fff7f7;border-left:1px solid #f3e0e0}
.proscons-table tr:nth-child(even) td:first-child{background-color:#f0fff4}
.proscons-table tr:nth-child(even) td:last-child{background-color:#fff0f0}

/* Rating widget */
.rating-widget{display:flex;gap:.35rem}
.rating-star{appearance:none;border:0;background:transparent;padding:0;cursor:pointer;line-height:1;transition:transform .08s ease}
.rating-star:focus{outline:2px solid rgba(14,165,233,.35);outline-offset:2px;border-radius:6px}
.rating-star:hover{transform:translateY(-1px)}
.rating-star i{font-size:1.6rem}
.rating-star i.fa-solid{color:#ffb400}
.rating-star i.fa-regular{color:#c7c7c7}

/* Navbar dropdown cosmetics */
.navbar .dropdown-menu{border-radius:.75rem;border:1px solid #e5e7eb;animation:fadeIn .15s ease-in}
.navbar .dropdown-item:hover{background-color:#eef6ff;color:#0d6efd}
@keyframes fadeIn{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}
/* ========== RATING WIDGET (no border, gradien IoT) ========== */
.rating-widget{
  display:flex; gap:.4rem; padding:.2rem .3rem; border:0!important; outline:0!important;
  background:transparent; border-radius:.5rem; box-shadow:none;
}
.rating-star{
  appearance:none; border:0; background:transparent; padding:0; cursor:pointer; line-height:1;
  outline:0; box-shadow:none;
}
.rating-star:focus,
.rating-star:active{ outline:0; box-shadow:none; }
.rating-star:focus-visible{ box-shadow:0 0 0 3px rgba(14,165,233,.25); border-radius:.5rem; }
.rating-star i{ font-size:1.8rem; line-height:1; filter:drop-shadow(0 1px 0 rgba(0,0,0,.05)); }

/* Warna bintang (solid & half = gradien biru; kosong = abu lembut) */
.rating-star i.fa-solid,
.rating-star i.fa-star-half-stroke,
.card .fa-star.fa-solid,
.card .fa-star-half-stroke,
.list-group-item .fa-star.fa-solid,
.list-group-item .fa-star-half-stroke{
  background:linear-gradient(135deg,#0ea5e9,#22d3ee);
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  color:transparent; /* fallback */
}
.rating-star i.fa-regular,
.card .fa-star.fa-regular,
.list-group-item .fa-star.fa-regular{
  color:#c9d3df;
}

.media-item{ gap:1rem; padding:.6rem .9rem; }
.media-thumb{ margin-right:0; }      /* karena sudah pakai gap */
.media-body{ min-width:0; }

.card-body > header.d-flex{ gap:1rem; }

.list-group-item.d-flex.gap-3{ gap:.8rem !important; }

.btn-primary {
  background:linear-gradient(135deg,#2563eb,#3b82f6);
  border:0;
  font-weight:600;
  transition:.25s all ease;
  margin: 0px 0px 10px 0px;
}
.btn-primary:hover {
  background:linear-gradient(135deg,#1e40af,#1d4ed8);
  transform:translateY(-2px);
  box-shadow:0 6px 16px rgba(59,130,246,.35);
}
.btn-primary i {
  font-size:1.1rem;
}