/* ============================================
   Smart Off-Grid Solar – Main Stylesheet
   Font: Kanit (Google Fonts)
   Colors: Teal primary, clean white/gray
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Kanit:wght@300;400;500;600&display=swap');

:root {
  --primary:      #1D9E75;
  --primary-dark: #0F6E56;
  --primary-light:#E1F5EE;
  --primary-mid:  #5DCAA5;
  --accent:       #F59E0B;
  --danger:       #EF4444;
  --text-main:    #1a1a1a;
  --text-muted:   #6b7280;
  --text-light:   #9ca3af;
  --bg:           #f8fafc;
  --surface:      #ffffff;
  --border:       #e5e7eb;
  --border-mid:   #d1d5db;
  --radius-sm:    6px;
  --radius-md:    10px;
  --radius-lg:    14px;
  --radius-xl:    20px;
  --shadow-sm:    0 1px 3px rgba(0,0,0,.06);
  --shadow-md:    0 4px 12px rgba(0,0,0,.08);
}

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

body {
  font-family: 'Kanit', sans-serif;
  font-size: 15px;
  font-weight: 400;
  color: var(--text-main);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ── Typography ── */
h1 { font-size: 28px; font-weight: 600; }
h2 { font-size: 22px; font-weight: 500; }
h3 { font-size: 18px; font-weight: 500; }
h4 { font-size: 15px; font-weight: 500; }

/* ── Wizard layout ── */
.wizard-wrap {
  max-width: 800px;
  margin: 0 auto;
  padding: 16px;
}

/* ── Step Bar ── */
.step-bar {
  display: flex;
  align-items: center;
  padding: 20px 24px 0;
}
.step-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--text-light);
  cursor: pointer;
  white-space: nowrap;
}
.step-item.active { color: var(--primary-dark); font-weight: 500; }
.step-item.done   { color: var(--primary); }
.step-dot {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 1.5px solid var(--border-mid);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 500;
  flex-shrink: 0;
  background: var(--surface);
}
.step-item.active .step-dot { background: var(--primary-light); border-color: var(--primary); color: var(--primary-dark); }
.step-item.done .step-dot   { background: var(--primary); border-color: var(--primary); color: #fff; }
.step-line { flex: 1; height: 1px; background: var(--border); margin: 0 6px; }
.step-line.done { background: var(--primary); }

/* ── Wizard Card ── */
.wizard-card {
  background: var(--surface);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}
.wizard-body  { padding: 24px; }
.wizard-title { font-size: 18px; font-weight: 500; margin-bottom: 4px; }
.wizard-sub   { font-size: 13px; color: var(--text-muted); margin-bottom: 20px; }
.wizard-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  border-top: 1px solid var(--border);
  background: #f9fafb;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 20px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-mid);
  font-family: 'Kanit', sans-serif;
  font-size: 14px;
  font-weight: 400;
  cursor: pointer;
  transition: all .15s;
  background: var(--surface);
  color: var(--text-main);
}
.btn:hover     { background: #f3f4f6; }
.btn-primary   { background: var(--primary-light); color: var(--primary-dark); border-color: var(--primary-mid); }
.btn-primary:hover { background: #c9eddf; }
.btn-solid     { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn-solid:hover { background: var(--primary-dark); }
.btn-sm        { padding: 6px 14px; font-size: 13px; }
.btn-icon      { padding: 8px; border-radius: var(--radius-sm); }
.btn-danger    { background: #fff1f2; color: #b91c1c; border-color: #fecaca; }

/* ── Template Cards ── */
.tpl-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 16px;
}
@media (min-width: 600px) {
  .tpl-grid { grid-template-columns: repeat(3, 1fr); }
}
.tpl-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 16px;
  cursor: pointer;
  transition: border-color .15s, box-shadow .15s;
  position: relative;
  background: var(--surface);
}
.tpl-card:hover   { border-color: var(--primary-mid); box-shadow: var(--shadow-sm); }
.tpl-card.active  { border: 2px solid var(--primary); background: var(--primary-light); }
.tpl-icon  { font-size: 26px; color: var(--text-muted); margin-bottom: 8px; }
.tpl-card.active .tpl-icon { color: var(--primary-dark); }
.tpl-name  { font-size: 14px; font-weight: 500; margin-bottom: 2px; }
.tpl-sub   { font-size: 11px; color: var(--text-muted); margin-bottom: 10px; }
.tpl-spec  { display: flex; justify-content: space-between; font-size: 11px; padding: 2px 0; }
.tpl-spec .sk { color: var(--text-muted); }
.tpl-spec .sv { font-weight: 500; }
.tpl-card.active .tpl-spec .sv { color: var(--primary-dark); }
.tpl-badge {
  position: absolute;
  top: 10px; right: 10px;
  font-size: 10px;
  padding: 2px 8px;
  border-radius: 20px;
  font-weight: 500;
}
.badge-eco     { background: #dcfce7; color: #166534; }
.badge-popular { background: var(--primary-light); color: var(--primary-dark); }
.badge-pro     { background: #ede9fe; color: #4c1d95; }

/* ── Appliance / Load Rows ── */
.load-table-header {
  display: grid;
  grid-template-columns: 28px 1fr 70px 60px 70px 80px 28px;
  gap: 8px;
  padding: 0 12px 6px;
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 500;
}
.load-row {
  display: grid;
  grid-template-columns: 28px 1fr 70px 60px 70px 80px 28px;
  gap: 8px;
  align-items: center;
  padding: 9px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  margin-bottom: 6px;
  background: var(--surface);
  transition: border-color .15s;
}
.load-row:hover { border-color: var(--border-mid); }
.load-icon { font-size: 16px; color: var(--text-muted); text-align: center; }
.load-name { font-size: 13px; font-weight: 500; }
.load-wh   { font-size: 13px; font-weight: 500; color: var(--primary); text-align: right; }
.load-pct  { font-size: 10px; color: var(--text-light); text-align: right; }
.bar-wrap  { height: 4px; background: #f0fdf4; border-radius: 3px; margin-top: 3px; overflow: hidden; }
.bar-fill  { height: 4px; border-radius: 3px; background: var(--primary); transition: width .4s; }

/* ── Qty Control ── */
.qty-ctrl  { display: flex; align-items: center; gap: 4px; justify-content: center; }
.qty-btn   {
  width: 24px; height: 24px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-mid);
  background: #f9fafb;
  font-size: 14px;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  color: var(--text-main);
  transition: background .1s;
}
.qty-btn:hover { background: var(--primary-light); border-color: var(--primary-mid); }
.qty-val   { width: 24px; text-align: center; font-size: 13px; font-weight: 500; }
.hrs-input {
  width: 46px;
  border: 1px solid var(--border-mid);
  border-radius: var(--radius-sm);
  padding: 3px 6px;
  font-size: 12px;
  text-align: center;
  font-family: 'Kanit', sans-serif;
  background: var(--surface);
}
.hrs-input:focus { outline: none; border-color: var(--primary); }

/* ── Result Cards ── */
.result-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  margin-bottom: 16px;
}
@media (min-width: 480px) {
  .result-grid { grid-template-columns: repeat(4, 1fr); }
}
.r-card {
  background: #f8fafc;
  border-radius: var(--radius-md);
  padding: 10px 14px;
}
.r-card .rl { font-size: 11px; color: var(--text-muted); margin-bottom: 4px; }
.r-card .rv { font-size: 18px; font-weight: 500; }
.r-card .ru { font-size: 11px; color: var(--text-muted); margin-left: 2px; }
.r-card.hi  .rv { color: var(--primary-dark); }

/* ── Package Cards ── */
.pkg-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.pkg-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 16px;
  cursor: pointer;
  transition: border-color .15s;
}
.pkg-card:hover      { border-color: var(--primary-mid); }
.pkg-card.recommended { border: 2px solid var(--primary); }
.pkg-badge  { display: inline-block; font-size: 11px; background: var(--primary-light); color: var(--primary-dark); border-radius: var(--radius-sm); padding: 2px 8px; margin-bottom: 8px; }
.pkg-name   { font-size: 14px; font-weight: 500; margin-bottom: 4px; }
.pkg-price  { font-size: 20px; font-weight: 600; color: var(--primary); margin-bottom: 6px; }
.pkg-detail { font-size: 12px; color: var(--text-muted); line-height: 1.7; }

/* ── Form inputs ── */
input[type=text], input[type=tel], select, textarea {
  width: 100%;
  padding: 9px 12px;
  border: 1px solid var(--border-mid);
  border-radius: var(--radius-md);
  font-family: 'Kanit', sans-serif;
  font-size: 14px;
  background: var(--surface);
  color: var(--text-main);
  transition: border-color .15s;
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(29,158,117,.1);
}

/* ── Slider ── */
input[type=range] {
  -webkit-appearance: none;
  height: 4px;
  background: var(--border);
  border-radius: 3px;
  outline: none;
  flex: 1;
}
input[type=range]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: var(--primary);
  border: 2px solid #fff;
  box-shadow: 0 1px 4px rgba(0,0,0,.2);
  cursor: pointer;
}

/* ── Hint / Alert boxes ── */
.hint-box {
  padding: 10px 14px;
  border-radius: var(--radius-md);
  font-size: 13px;
  display: flex;
  gap: 8px;
  align-items: flex-start;
  margin-bottom: 14px;
}
.hint-info  { background: #eff6ff; color: #1e40af; }
.hint-warn  { background: #fffbeb; color: #92400e; }
.hint-green { background: var(--primary-light); color: var(--primary-dark); }

/* ── Donut / Pie Legend ── */
.pie-wrap {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  margin-top: 14px;
}
.pie-legend { flex: 1; display: flex; flex-direction: column; gap: 6px; }
.leg-item   { display: flex; align-items: center; gap: 8px; font-size: 12px; }
.leg-dot    { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; }

/* ── Tabs ── */
.tabs       { display: flex; border-bottom: 1px solid var(--border); margin-bottom: 16px; gap: 0; overflow-x: auto; }
.tab        { padding: 8px 16px; font-size: 13px; cursor: pointer; color: var(--text-muted); border-bottom: 2px solid transparent; margin-bottom: -1px; white-space: nowrap; }
.tab.active { color: var(--primary-dark); border-bottom-color: var(--primary); font-weight: 500; }

/* ── Section label ── */
.section-label {
  font-size: 11px;
  font-weight: 500;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: .5px;
  margin-bottom: 10px;
}

/* ── Summary total row ── */
.total-strip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  background: #f0fdf4;
  border: 1px solid #bbf7d0;
  border-radius: var(--radius-md);
  margin-top: 4px;
}
.total-strip .tl { font-size: 13px; color: var(--primary-dark); }
.total-strip .tv { font-size: 16px; font-weight: 600; color: var(--primary-dark); }

/* ── Add row dashed ── */
.add-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 9px;
  border: 1px dashed var(--primary-mid);
  border-radius: var(--radius-md);
  font-size: 13px;
  color: var(--primary);
  cursor: pointer;
  margin-bottom: 4px;
  transition: background .15s;
}
.add-row:hover { background: var(--primary-light); }

/* ── Divider ── */
.divider { height: 1px; background: var(--border); margin: 16px 0; }

/* ── Navbar (Admin) ── */
.navbar {
  background: var(--primary-dark);
  color: #fff;
  padding: 0 24px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky; top: 0; z-index: 100;
}
.navbar-brand { font-size: 16px; font-weight: 500; display: flex; align-items: center; gap: 8px; }
.navbar-links  { display: flex; gap: 4px; }
.nav-link {
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  color: rgba(255,255,255,.8);
  cursor: pointer;
  text-decoration: none;
  transition: background .15s;
}
.nav-link:hover, .nav-link.active { background: rgba(255,255,255,.15); color: #fff; }

/* ── Mobile ── */
@media (max-width: 600px) {
  .wizard-body    { padding: 16px; }
  .wizard-footer  { padding: 12px 16px; }
  .step-bar       { padding: 16px 16px 0; }
  .step-item span { display: none; }
  .tpl-grid       { grid-template-columns: repeat(2, 1fr); }
  .result-grid    { grid-template-columns: repeat(2, 1fr); }
  .pkg-grid       { grid-template-columns: 1fr; }
  .load-table-header { display: none; }
  .load-row {
    grid-template-columns: 28px 1fr auto auto;
    grid-template-rows: auto auto;
  }
}