/* =====================================================
   마당 (Madang) — 봄찬 통합 디자인 시스템
   ===================================================== */

:root {
  --green:       #006B5B;
  --green-light: #E6F2EF;
  --accent:      #00A080;
  --black:       #0a0a0a;
  --gray:        #666;
  --border:      #e8e8e8;
  --bg:          #f8f8f6;
  --white:       #ffffff;
  --error:       #c0392b;
  --amber:       #d97706;

  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 20px;
  --shadow-sm: 0 1px 4px rgba(0,0,0,.05);
  --shadow-md: 0 4px 20px rgba(0,0,0,.07);
  --shadow-lg: 0 8px 32px rgba(0,0,0,.10);
  --transition: all .18s ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--black);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* ===========================
   HEADER
   =========================== */
header {
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 32px;
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo-mark {
  width: 36px;
  height: 36px;
  background: var(--green);
  border-radius: 8px;
  display: grid;
  place-items: center;
  font-weight: 900;
  font-size: 13px;
  letter-spacing: -.5px;
  color: #fff;
  flex-shrink: 0;
}

.logo-text h1 {
  font-size: 16px;
  font-weight: 800;
  letter-spacing: -.4px;
  line-height: 1.2;
  color: var(--black);
}

.logo-text p {
  font-size: 11px;
  color: var(--gray);
  margin-top: 1px;
}

.header-actions { display: flex; gap: 8px; align-items: center; }

.btn-ghost {
  font-size: 13px;
  font-weight: 600;
  padding: 8px 16px;
  border-radius: 100px;
  border: 1.5px solid var(--border);
  color: var(--gray);
  background: transparent;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  display: inline-block;
}
.btn-ghost:hover { border-color: var(--green); color: var(--green); }

.btn-store {
  font-size: 13px;
  font-weight: 800;
  padding: 8px 18px;
  border-radius: 100px;
  background: var(--green);
  color: #fff;
  text-decoration: none;
  display: inline-block;
  transition: var(--transition);
  letter-spacing: -.2px;
  white-space: nowrap;
}
.btn-store:hover { opacity: .88; transform: translateY(-1px); }
@media (max-width: 480px) { .btn-store { font-size: 11px; padding: 7px 12px; } }

/* ===========================
   STEPPER
   =========================== */
.stepper-wrap {
  max-width: 760px;
  margin: 0 auto;
  padding: 24px 32px 0;
}

#stepper {
  display: flex;
  gap: 0;
  list-style: none;
  position: relative;
}

#stepper::before {
  content: '';
  position: absolute;
  top: 14px;
  left: 14px;
  right: 14px;
  height: 2px;
  background: var(--border);
  z-index: 0;
}

#stepper .step {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  position: relative;
  z-index: 1;
  cursor: pointer;
}

#stepper .step-num {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--white);
  border: 2px solid var(--border);
  display: grid;
  place-items: center;
  font-size: 12px;
  font-weight: 700;
  color: var(--gray);
  transition: var(--transition);
}

#stepper .step-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--gray);
  letter-spacing: .2px;
  transition: var(--transition);
  white-space: nowrap;
}

#stepper .step.active .step-num {
  background: var(--green);
  border-color: var(--green);
  color: #fff;
  box-shadow: 0 0 0 4px rgba(0,107,91,.12);
}
#stepper .step.active .step-label { color: var(--green); font-weight: 700; }

#stepper .step.done .step-num {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}
#stepper .step.done .step-num::after { content: '✓'; font-size: 11px; }
#stepper .step.done .step-label { color: var(--accent); }

/* ===========================
   MAIN LAYOUT
   =========================== */
main {
  max-width: 760px;
  margin: 0 auto;
  padding: 28px 32px 80px;
}

/* ===========================
   CARD / PANE
   =========================== */
.pane {
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-sm);
}
.pane.hidden { display: none; }

.pane-eyebrow {
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 8px;
}

.pane-title {
  font-size: 22px;
  font-weight: 900;
  color: var(--black);
  letter-spacing: -.8px;
  margin-bottom: 8px;
  line-height: 1.3;
}

.pane-desc {
  font-size: 14px;
  color: var(--gray);
  line-height: 1.7;
  margin-bottom: 28px;
}

/* ===========================
   FORM FIELDS
   =========================== */
.field-group { display: flex; flex-direction: column; gap: 6px; }
.field-group + .field-group { margin-top: 16px; }

.field-group label {
  font-size: 13px;
  font-weight: 700;
  color: var(--black);
}
.field-group .req { color: var(--error); margin-left: 2px; }

.field-group input,
.field-group textarea,
.field-group select {
  padding: 12px 16px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--white);
  font-family: inherit;
  font-size: 14px;
  color: var(--black);
  transition: var(--transition);
  outline: none;
  resize: vertical;
}

.field-group input:focus,
.field-group textarea:focus,
.field-group select:focus {
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(0,107,91,.10);
}

.field-group input::placeholder,
.field-group textarea::placeholder { color: #aaa; }

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.form-grid .span-2 { grid-column: 1 / -1; }
@media (max-width: 580px) {
  .form-grid { grid-template-columns: 1fr; }
  .form-grid .span-2 { grid-column: 1; }
}

/* ===========================
   AREA CARDS
   =========================== */
.area-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 20px;
}
@media (max-width: 580px) { .area-grid { grid-template-columns: 1fr; } }

.area-card {
  display: block;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  padding: 18px;
  background: var(--white);
  cursor: pointer;
  transition: var(--transition);
}
.area-card:has(input[type="radio"]:checked) {
  border-color: var(--green);
  background: var(--green-light);
  box-shadow: 0 0 0 3px rgba(0,107,91,.10);
}
.area-card input[type="radio"] {
  accent-color: var(--green);
  margin-bottom: 10px;
  width: 16px;
  height: 16px;
}
.area-card-title {
  font-weight: 700;
  font-size: 13px;
  color: var(--black);
  margin-bottom: 10px;
}
.area-input {
  padding: 10px 14px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  width: 100%;
  font-size: 13px;
  font-family: inherit;
  background: var(--white);
  outline: none;
  transition: var(--transition);
}
.area-input:focus { border-color: var(--green); box-shadow: 0 0 0 3px rgba(0,107,91,.10); }

#area-summary {
  padding: 14px 18px;
  background: var(--green-light);
  border: 1px solid rgba(0,107,91,.2);
  border-radius: var(--radius-md);
  font-size: 13px;
  color: var(--green);
  margin-top: 16px;
  font-weight: 600;
}

#multi-area-panel { margin-top: 16px; }
#multi-area-panel input { outline: none; }
#multi-area-panel input:focus { border-color: var(--green); box-shadow: 0 0 0 3px rgba(0,107,91,.10); }

#total-sqm-display {
  margin-top: 10px;
  font-size: 13px;
  font-weight: 700;
  color: var(--green);
}

/* ===========================
   MATERIAL GROUPS
   =========================== */
.material-group {
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--white);
  overflow: hidden;
  margin-bottom: 10px;
}

.material-group-head {
  background: var(--bg);
  padding: 14px 20px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 700;
  font-size: 13px;
  color: var(--black);
  user-select: none;
  transition: var(--transition);
}
.material-group-head:hover { background: var(--green-light); }
.material-group-head .chev {
  font-size: 10px;
  color: var(--green);
  transition: transform .2s;
}
.material-group.open .material-group-head .chev { transform: rotate(180deg); }

.material-group-body { display: none; padding: 8px; }
.material-group.open .material-group-body { display: block; }

/* ===========================
   DIMSEOK ROW
   =========================== */
.dimseok-row {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 14px 16px;
  border: 1.5px solid transparent;
  border-radius: var(--radius-md);
  background: var(--bg);
  cursor: pointer;
  margin-bottom: 8px;
  transition: var(--transition);
}
.dimseok-row:hover { background: var(--green-light); border-color: rgba(0,107,91,.2); }
.dimseok-row.selected {
  border-color: var(--green);
  background: var(--green-light);
  box-shadow: 0 0 0 3px rgba(0,107,91,.10);
}
.dimseok-row input[type="radio"] {
  width: 18px;
  height: 18px;
  accent-color: var(--green);
  flex-shrink: 0;
  margin-top: 2px;
}
.mat-name { font-weight: 700; color: var(--black); font-size: 13px; line-height: 1.4; }
.mat-size { color: var(--gray); font-size: 11px; margin-top: 3px; line-height: 1.5; }

@media (max-width: 600px) {
  .dimseok-row { flex-wrap: wrap; gap: 10px; }
  .dimseok-row .flex-1 { flex: 1 1 100%; }
}

/* ===========================
   QUOTE BOX
   =========================== */
.quote-box {
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  padding: 24px;
  margin-bottom: 14px;
}
.quote-box h3 {
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--gray);
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 14px;
}

.quote-line {
  display: grid;
  grid-template-columns: 1fr auto auto auto;
  gap: 12px;
  padding: 8px 0;
  border-bottom: 1px dashed var(--border);
  font-size: 13px;
  align-items: center;
}
.quote-line:last-child { border-bottom: none; }
.quote-line .name { color: var(--black); font-weight: 600; }
.quote-line .qty  { color: var(--gray); text-align: right; white-space: nowrap; }
.quote-line .unit { color: #aaa; text-align: right; white-space: nowrap; }
.quote-line .total { color: var(--green); font-weight: 800; text-align: right; white-space: nowrap; }
.quote-line.heading {
  background: var(--bg);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  font-weight: 700;
  font-size: 12px;
  color: var(--gray);
  border-bottom: none;
  margin-bottom: 4px;
}

.quote-total {
  background: var(--black);
  color: #fff;
  border-radius: var(--radius-md);
  padding: 20px 24px;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-top: 4px;
}
.quote-total .label { font-size: 13px; font-weight: 600; opacity: .7; }
.quote-total .amount { font-size: 28px; font-weight: 900; letter-spacing: -1px; }

/* ===========================
   BUTTONS
   =========================== */
.btn-primary {
  background: var(--green);
  color: #fff;
  font-weight: 800;
  font-family: inherit;
  padding: 13px 28px;
  border-radius: 100px;
  font-size: 14px;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  letter-spacing: -.2px;
}
.btn-primary:hover { opacity: .88; transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn-primary:active { transform: translateY(0); }
.btn-primary:disabled { opacity: .4; cursor: not-allowed; transform: none; }

.btn-secondary {
  background: var(--white);
  color: var(--gray);
  font-weight: 600;
  font-family: inherit;
  padding: 13px 28px;
  border-radius: 100px;
  font-size: 14px;
  border: 1.5px solid var(--border);
  cursor: pointer;
  transition: var(--transition);
}
.btn-secondary:hover { background: var(--bg); border-color: var(--green); color: var(--green); }

.btn-inquiry {
  background: var(--green);
  color: #fff;
  font-weight: 800;
  font-family: inherit;
  padding: 18px 28px;
  border-radius: var(--radius-lg);
  font-size: 16px;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
  width: 100%;
  letter-spacing: -.3px;
  box-shadow: 0 4px 20px rgba(0,107,91,.25);
  line-height: 1.4;
}
.btn-inquiry:hover {
  opacity: .88;
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(0,107,91,.3);
}
.btn-inquiry:active { transform: translateY(0); }
.btn-inquiry:disabled { opacity: .5; cursor: not-allowed; transform: none; box-shadow: none; }
.btn-inquiry small {
  display: block;
  font-size: 11px;
  font-weight: 500;
  opacity: .8;
  margin-top: 3px;
}

/* ===========================
   NOTICE / INFO BOXES
   =========================== */
.notice {
  border-radius: var(--radius-md);
  padding: 14px 18px;
  font-size: 12px;
  line-height: 1.7;
}
.notice.info    { background: var(--green-light); border: 1px solid rgba(0,107,91,.2); color: var(--green); }
.notice.warn    { background: #fff8e8; border: 1px solid #f0c040; color: #7a5c00; }
.notice.muted   { background: var(--bg); border: 1px solid var(--border); color: var(--gray); }
.notice.success { background: #f0faf6; border: 1px solid #5cb85c; color: #1e6b3d; }

/* ===========================
   NAVIGATION BAR
   =========================== */
.nav-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 24px;
  padding: 0 2px;
}
#step-info { font-size: 12px; color: var(--gray); font-weight: 600; letter-spacing: .3px; }

/* ===========================
   FOOTER
   =========================== */
footer {
  text-align: center;
  font-size: 11px;
  color: #aaa;
  padding: 32px 24px;
  letter-spacing: .3px;
}

/* ===========================
   SCROLLBAR
   =========================== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--green); }

/* ===========================
   DIMSEOK META
   =========================== */
.dimseok-meta {
  display: flex;
  flex-direction: column;
  gap: 4px;
  align-items: flex-end;
  min-width: 130px;
}
.dmeta-row {
  display: flex;
  align-items: baseline;
  gap: 5px;
}
.dmeta-label {
  font-size: 9px;
  font-weight: 700;
  letter-spacing: .5px;
  text-transform: uppercase;
  color: #aaa;
  white-space: nowrap;
}
.dmeta-val {
  font-size: 11px;
  font-weight: 700;
  color: var(--gray);
  white-space: nowrap;
}
.dmeta-val.green { color: var(--green); }
.dmeta-val.price {
  font-size: 12px;
  font-weight: 800;
  color: var(--green);
}
.dmeta-sub {
  font-size: 9px;
  font-weight: 500;
  color: #aaa;
  white-space: nowrap;
}
.dmeta-divider {
  width: 100%;
  height: 1px;
  background: var(--border);
  margin: 2px 0;
}
.dmeta-manual input {
  width: 68px;
  padding: 4px 7px;
  border: 1.5px solid var(--border);
  border-radius: 6px;
  font-size: 11px;
  font-family: inherit;
  text-align: right;
  background: var(--white);
  outline: none;
  transition: var(--transition);
}
.dmeta-manual input:focus {
  border-color: var(--green);
  box-shadow: 0 0 0 2px rgba(0,107,91,.12);
}

/* ===========================
   THUMBNAIL
   =========================== */
.mat-thumb {
  width: 52px;
  height: 52px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  flex-shrink: 0;
  background: var(--bg);
  cursor: zoom-in;
}
.mat-thumb-empty {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  background: var(--bg);
  border: 1px dashed var(--border);
  flex-shrink: 0;
}

/* ===========================
   LIGHTBOX
   =========================== */
#img-lightbox {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(0,0,0,.8);
  align-items: center;
  justify-content: center;
  cursor: zoom-out;
  animation: lbFadeIn .15s ease;
}
#img-lightbox.open { display: flex; }
@keyframes lbFadeIn { from { opacity:0 } to { opacity:1 } }
#img-lightbox img {
  max-width: 92vw;
  max-height: 88vh;
  border-radius: var(--radius-lg);
  box-shadow: 0 24px 80px rgba(0,0,0,.5);
  object-fit: contain;
  pointer-events: none;
}
#img-lightbox .lb-close {
  position: absolute;
  top: 18px;
  right: 22px;
  color: #fff;
  font-size: 28px;
  font-weight: 300;
  line-height: 1;
  cursor: pointer;
  opacity: .8;
}
#img-lightbox .lb-close:hover { opacity: 1; }

/* ===========================
   모바일 (≤480px)
   =========================== */
@media (max-width: 480px) {
  .header-inner { padding: 0 16px; }
  .logo-mark { width: 32px; height: 32px; font-size: 12px; }
  .logo-text h1 { font-size: 14px; }
  .logo-text p { display: none; }
  .btn-ghost { font-size: 11px; padding: 6px 12px; }

  .stepper-wrap { padding: 16px 16px 0; }
  .step-label { font-size: 9px; }
  .step-num { width: 24px; height: 24px; font-size: 11px; }

  main { padding: 16px 16px 80px; }

  .pane { padding: 20px 16px; border-radius: var(--radius-md); }
  .pane-title { font-size: 18px; }
  .pane-desc { font-size: 13px; margin-bottom: 20px; }

  .form-grid { grid-template-columns: 1fr; gap: 12px; }
  .field-group input,
  .field-group textarea { font-size: 16px; padding: 13px 14px; }

  .area-grid { grid-template-columns: 1fr; }

  .dimseok-row {
    display: grid;
    grid-template-columns: 52px 1fr;
    grid-template-rows: auto auto;
    gap: 8px 10px;
    padding: 12px;
    align-items: start;
  }
  .dimseok-row input[type="radio"] { display: none; }
  .dimseok-row .mat-thumb,
  .dimseok-row .mat-thumb-empty { grid-column: 1; grid-row: 1; width: 48px; height: 48px; }
  .dimseok-row .flex-1 { grid-column: 2; grid-row: 1; }
  .dimseok-meta {
    grid-column: 1 / -1;
    grid-row: 2;
    flex-direction: row;
    justify-content: flex-start;
    gap: 14px;
    min-width: 0;
    padding-top: 6px;
    border-top: 1px solid var(--border);
    align-items: center;
  }
  .dmeta-divider { display: none; }
  .dmeta-row { flex-direction: column; align-items: flex-start; gap: 1px; }
  .dmeta-val.price { font-size: 13px; }

  .quote-line { grid-template-columns: 1fr auto; gap: 6px; }
  .quote-line .qty, .quote-line .unit { display: none; }
  .quote-total .amount { font-size: 22px; }

  .btn-primary, .btn-secondary { padding: 13px 20px; font-size: 13px; }
  .btn-inquiry { font-size: 15px; padding: 16px 20px; }

  .nav-bar { gap: 10px; }
  #step-info { font-size: 11px; }
}

@media (min-width: 481px) and (max-width: 720px) {
  main { padding: 20px 24px 80px; }
  .pane { padding: 28px 24px; }
  .field-group input,
  .field-group textarea { font-size: 16px; }
}