* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: Arial, sans-serif; background: #f4f6f9; color: #1a1a2e; min-height: 100vh; }

/* ── HEADER ── */
.header {
  background: #ffffff;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
  border-bottom: 3px solid #c9a84c;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 8px rgba(0,0,0,0.10);
}
.logo { display: flex; align-items: center; gap: 12px; }

.logo-text { color: #0a2342; }
.logo-text .name { font-size: 17px; font-weight: 700; color: #0a2342; }
.logo-text .sub  { font-size: 10px; color: #c9a84c; letter-spacing: 1.5px; text-transform: uppercase; }
.header-right { display: flex; gap: 10px; }
.btn-save {
  background: #1a7a4a; color: #fff;
  border: none; padding: 8px 14px; border-radius: 4px;
  font-family: Arial, sans-serif; font-size: 12px; font-weight: 700; cursor: pointer;
}
.btn-save:hover { background: #14603a; }
.btn-load {
  background: transparent; color: #0a2342;
  border: 1.5px solid #0a2342; padding: 7px 14px; border-radius: 4px;
  font-family: Arial, sans-serif; font-size: 12px; font-weight: 700; cursor: pointer;
  display: flex; align-items: center;
}
.btn-load:hover { background: #0a2342; color: #fff; }
.btn-pdf {
  background: #c9a84c; color: #0a2342;
  border: none; padding: 8px 18px; border-radius: 4px;
  font-family: Arial, sans-serif; font-size: 13px; font-weight: 700; cursor: pointer;
}
.btn-pdf:hover { background: #e8c97a; }
.btn-doc {
  background: transparent; color: #0a2342;
  border: 1.5px solid #0a2342; padding: 7px 16px; border-radius: 4px;
  font-family: Arial, sans-serif; font-size: 13px; font-weight: 700; cursor: pointer;
}
.btn-doc:hover { background: #0a2342; color: #fff; }

/* ── STEPPER ── */
.stepper-bar {
  background: #0a2342;
  padding: 12px 32px;
  display: flex;
  align-items: center;
  gap: 0;
  border-bottom: 1px solid rgba(201,168,76,0.25);
  overflow-x: auto;
}
.step-tab {
  display: flex; align-items: center; gap: 8px;
  padding: 6px 14px; cursor: pointer; white-space: nowrap;
}
.step-tab .num {
  width: 26px; height: 26px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 700;
  background: #3a5272; color: #8aa0bc;
  flex-shrink: 0; transition: all 0.15s;
}
.step-tab .lbl { font-size: 12px; font-weight: 600; color: #6b88a8; transition: all 0.15s; }
.step-tab.active .num { background: #c9a84c; color: #0a2342; }
.step-tab.active .lbl { color: #c9a84c; }
.step-tab.done .num { background: #1a7a4a; color: #fff; }
.step-tab.done .lbl { color: #5ab87a; }
.step-sep { color: #3a5272; font-size: 14px; padding: 0 2px; }

/* ── LAYOUT ── */
.layout { display: flex; min-height: calc(100vh - 114px); }

.sidebar {
  width: 240px; flex-shrink: 0;
  background: #fff;
  border-right: 1px solid #dce3ec;
  padding: 20px 16px;
}
.sb-section { margin-bottom: 20px; }
.sb-label {
  font-size: 10px; font-weight: 700; color: #6b7c93;
  text-transform: uppercase; letter-spacing: 1.2px;
  padding-bottom: 6px; border-bottom: 1px solid #dce3ec; margin-bottom: 8px;
}
.sb-row { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 4px; }
.sb-key { font-size: 11px; color: #6b7c93; }
.sb-val { font-size: 12px; font-weight: 700; color: #0a2342; }
.sb-val.hi { color: #c9a84c; font-size: 13px; }

/* ── CONTENT ── */
.content { flex: 1; padding: 28px 32px; overflow-y: auto; max-width: 900px; }

.step-panel { display: none; }
.step-panel.active { display: block; }

/* ── TYPOGRAPHY ── */
.step-title { font-size: 22px; font-weight: 700; color: #0a2342; margin-bottom: 6px; }
.step-desc  { font-size: 14px; color: #6b7c93; margin-bottom: 24px; line-height: 1.5; }
.badge-std {
  display: inline-block; background: #0a2342; color: #c9a84c;
  font-size: 10px; font-weight: 700; letter-spacing: 1px;
  padding: 3px 10px; border-radius: 12px; margin-top: 6px;
}

/* ── CARDS ── */
.card {
  background: #fff; border: 1px solid #dce3ec;
  border-radius: 6px; padding: 20px 24px; margin-bottom: 20px;
}
.card-title {
  font-size: 11px; font-weight: 700; color: #0a2342;
  text-transform: uppercase; letter-spacing: 0.8px;
  border-bottom: 2px solid #c9a84c; padding-bottom: 8px; margin-bottom: 16px;
}

/* ── FORM ── */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px 24px; }
.form-grid.cols3 { grid-template-columns: 1fr 1fr 1fr; }
.fg { display: flex; flex-direction: column; gap: 5px; }
.fg label { font-size: 11px; font-weight: 700; color: #6b7c93; text-transform: uppercase; letter-spacing: 0.7px; }
.fg label span { text-transform: none; font-weight: 400; color: #aab; margin-left: 2px; }
.fg label span { font-weight: 400; color: #aab; margin-left: 3px; }
.fg input, .fg select {
  border: 1.5px solid #dce3ec; border-radius: 4px;
  padding: 9px 11px; font-family: Arial, sans-serif; font-size: 13px; color: #1a1a2e;
  background: #fff; transition: border-color 0.15s;
}
.fg input:focus, .fg select:focus { outline: none; border-color: #c9a84c; }

/* ── NAV ── */
.nav-row {
  display: flex; justify-content: space-between; align-items: center;
  margin-top: 28px; padding-top: 20px; border-top: 1px solid #dce3ec;
}
.btn-prev {
  background: transparent; color: #0a2342;
  border: 1.5px solid #dce3ec; padding: 10px 24px; border-radius: 4px;
  font-family: Arial, sans-serif; font-size: 13px; font-weight: 700; cursor: pointer;
}
.btn-prev:hover { border-color: #0a2342; }
.btn-prev:disabled { opacity: 0.4; cursor: not-allowed; }
.btn-next {
  background: #0a2342; color: #fff;
  border: none; padding: 10px 28px; border-radius: 4px;
  font-family: Arial, sans-serif; font-size: 13px; font-weight: 700; cursor: pointer;
}
.btn-next:hover { background: #1a3a5c; }

/* ── LENGTH BOX (Step 3) ── */
.len-box {
  background: #f4f6f9; border: 1px solid #dce3ec;
  border-radius: 5px; padding: 12px 14px; text-align: center;
}
.len-box.hi { background: #fff8e8; border-color: #c9a84c; }
.len-label  { font-size: 10px; font-weight: 700; color: #6b7c93; text-transform: uppercase; letter-spacing: 0.7px; margin-bottom: 6px; }
.len-val    { font-size: 24px; font-weight: 700; color: #0a2342; line-height: 1; }
.len-unit   { font-size: 11px; color: #6b7c93; margin-top: 3px; }
.len-box.hi .len-val { color: #c9a84c; }

/* ── CALC BOX ── */
.calc-box {
  border: 1.5px solid #dce3ec; border-radius: 4px;
  padding: 9px 11px; font-size: 13px; font-weight: 700;
  color: #0a2342; background: #f4f6f9;
}
.calc-box.hi { background: #fff8e8; border-color: #c9a84c; }

/* ── FOOTER ── */
.footer {
  background: #0a2342; color: rgba(255,255,255,0.4);
  font-size: 11px; padding: 12px 32px;
  display: flex; justify-content: space-between;
  border-top: 1px solid rgba(255,255,255,0.08);
}