/* ==========================================
   Residential Products Page - NK Enterprises
   File: css/residential-products.css
   ========================================== */

:root{
  --nk-brown:#7a4b21;
  --nk-brown-dark:#5c3718;
  --nk-gold:#c18b2f;
  --nk-gold-light:#d7aa54;

  --nk-bg:#f7f3ef;
  --nk-card:#ffffff;
  --nk-border:#eadfd6;

  --nk-text:#2b1f18;
  --nk-muted:#6b5b52;

  --nk-shadow: 0 10px 30px rgba(0,0,0,.08);
  --nk-radius:18px;
}

/* =========================
   PAGE WRAPPER
========================= */
.residential-wrap{
  max-width: 1200px;
  margin: 0 auto;
  padding: 18px;
}

/* =========================
   PAGE HEADER
========================= */
.res-header{
  margin-top: 20px;
  background: rgba(255,255,255,.75);
  border: 1px solid var(--nk-border);
  border-radius: var(--nk-radius);
  box-shadow: var(--nk-shadow);
  padding: 18px;
}

.res-breadcrumb{
  font-size: 13px;
  color: var(--nk-muted);
  margin-bottom: 6px;
}

.res-title{
  margin: 0;
  font-size: 26px;
  font-weight: 700;
  color: var(--nk-text);
}

.res-subtitle{
  margin: 8px 0 0;
  color: var(--nk-muted);
  font-size: 14px;
  max-width: 850px;
  line-height: 1.6;
}

/* =========================
   CONTROLS
========================= */
.res-controls{
  margin-top: 14px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.res-input,
.res-select{
  background: #fff;
  border: 1px solid var(--nk-border);
  border-radius: 999px;
  padding: 10px 14px;
  outline: none;
  min-width: 240px;
  font-family: inherit;
  box-shadow: 0 6px 16px rgba(0,0,0,.05);
  color: var(--nk-text);
}

.res-input:focus,
.res-select:focus{
  border-color: rgba(193,139,47,.55);
  box-shadow: 0 0 0 4px rgba(193,139,47,.18);
}

.res-btn{
  border: 1px solid var(--nk-border);
  background: #fff;
  padding: 10px 14px;
  border-radius: 999px;
  cursor: pointer;
  font-weight: 700;
  font-family: inherit;
  box-shadow: 0 6px 16px rgba(0,0,0,.05);
  color: var(--nk-text);
  transition: .2s ease;
}

.res-btn:hover{
  transform: translateY(-1px);
}

.res-btn.primary{
  background: var(--nk-brown);
  color: #fff;
  border-color: transparent;
}

.res-btn.primary:hover{
  background: var(--nk-brown-dark);
}

/* =========================
   LAYOUT
========================= */
.res-layout{
  display: grid;
  grid-template-columns: 330px 1fr;
  gap: 18px;
  margin-top: 18px;
  align-items: start;
}

/* =========================
   SIDEBAR FILTER
========================= */
.res-sidebar{
  position: sticky;
  top: 120px;
}

.res-panel{
  background: var(--nk-card);
  border: 1px solid var(--nk-border);
  border-radius: var(--nk-radius);
  box-shadow: var(--nk-shadow);
  overflow: hidden;
}

.res-panel-head{
  padding: 14px 14px 10px;
  border-bottom: 1px solid var(--nk-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.res-panel-head h3{
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  color: var(--nk-text);
}

.res-panel-body{
  padding: 12px 14px 14px;
}

/* Accordion */
.res-panel details{
  border: 1px solid var(--nk-border);
  border-radius: 14px;
  padding: 10px 12px;
  margin-bottom: 10px;
  background: rgba(247,243,239,.65);
  transition: .2s ease;
}

.res-panel details[open]{
  background: #fff;
}

.res-panel summary{
  cursor: pointer;
  font-weight: 700;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--nk-text);
}

.res-panel summary::-webkit-details-marker{
  display: none;
}

/* Golden Brown Icon Badge */
.cat-icon{
  width: 34px;
  height: 34px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--nk-brown), var(--nk-gold));
  color: #fff;
  box-shadow: 0 10px 22px rgba(0,0,0,.12);
  flex: 0 0 auto;
}

.res-group{
  margin-top: 10px;
  padding-top: 8px;
  border-top: 1px dashed var(--nk-border);
}

.res-group-title{
  margin: 0 0 6px;
  font-size: 13px;
  color: var(--nk-muted);
  font-weight: 700;
}

.res-check{
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 0;
  font-size: 14px;
  color: var(--nk-text);
}

.res-check input{
  accent-color: var(--nk-brown);
}

/* =========================
   MAIN AREA
========================= */
.res-main{
  min-height: 500px;
}

/* Active filter tags */
.res-tags{
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 10px;
}

.res-tag{
  background: #fff;
  border: 1px solid var(--nk-border);
  padding: 8px 10px;
  border-radius: 999px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 13px;
  box-shadow: 0 6px 16px rgba(0,0,0,.05);
  color: var(--nk-text);
}

.res-tag button{
  border: none;
  background: transparent;
  cursor: pointer;
  font-weight: 900;
  color: var(--nk-muted);
}

/* Meta row */
.res-meta{
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  margin: 10px 0 14px;
  color: var(--nk-muted);
  font-size: 13px;
}

/* =========================
   PRODUCT GRID
========================= */
.res-grid{
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.res-card{
  background: #fff;
  border: 1px solid var(--nk-border);
  border-radius: var(--nk-radius);
  box-shadow: var(--nk-shadow);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: .2s ease;
}

.res-card:hover{
  transform: translateY(-3px);
}

.res-thumb{
  height: 160px;
  background: linear-gradient(135deg, #fff, #efe5dc);
  display: grid;
  place-items: center;
  font-size: 34px;
  color: var(--nk-brown);
}

.res-card-body{
  padding: 12px 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.res-name{
  margin: 0;
  font-weight: 700;
  font-size: 15px;
  line-height: 1.2;
  color: var(--nk-text);
}

.res-card-meta{
  font-size: 13px;
  color: var(--nk-muted);
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  line-height: 1.4;
}

.res-price{
  font-weight: 700;
  color: var(--nk-text);
}

/* Buttons */
.res-actions{
  display: flex;
  gap: 8px;
  margin-top: 8px;
}

.res-small-btn{
  flex: 1;
  border-radius: 999px;
  padding: 10px 10px;
  border: 1px solid var(--nk-border);
  background: #fff;
  cursor: pointer;
  font-weight: 700;
  font-size: 13px;
  text-align: center;
  font-family: inherit;
  transition: .2s ease;
  color: var(--nk-text);
}

.res-small-btn:hover{
  transform: translateY(-1px);
}

.res-small-btn.primary{
  background: var(--nk-brown);
  color: #fff;
  border-color: transparent;
}

.res-small-btn.primary:hover{
  background: var(--nk-brown-dark);
}

/* Empty State */
.res-empty{
  background: #fff;
  border: 1px dashed var(--nk-border);
  border-radius: var(--nk-radius);
  padding: 18px;
  color: var(--nk-muted);
  box-shadow: var(--nk-shadow);
  margin-top: 14px;
  display: none;
}

/* =========================
   RESPONSIVE
========================= */
@media (max-width: 1024px){
  .res-layout{
    grid-template-columns: 1fr;
  }

  .res-sidebar{
    position: relative;
    top: auto;
  }

  .res-grid{
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 560px){
  .res-grid{
    grid-template-columns: 1fr;
  }

  .res-input,
  .res-select{
    min-width: 100%;
  }
}