/* ── Devis Calculator – Frontend Styles ─────────────────────────────────── */

:root {
  --dc-primary:   #1a3a5c;
  --dc-accent:    #2e86c1;
  --dc-success:   #27ae60;
  --dc-error:     #e74c3c;
  --dc-bg:        #f7f9fc;
  --dc-border:    #d0dae6;
  --dc-radius:    8px;
  --dc-shadow:    0 4px 20px rgba(0,0,0,.08);
  --dc-font:      inherit;
}

/* ── Wrapper ──────────────────────────────────────────────────────────────── */
.dc-wrap {
  font-family: var(--dc-font);
  max-width: 760px;
  margin: 0 auto;
  padding: 36px 32px;
  background: #fff;
  border-radius: var(--dc-radius);
  box-shadow: var(--dc-shadow);
  border-top: 4px solid var(--dc-primary);
}

/* ── Header ───────────────────────────────────────────────────────────────── */
.dc-header { margin-bottom: 28px; }
.dc-header h2 {
  margin: 0 0 6px;
  font-size: 22px;
  color: var(--dc-primary);
}
.dc-header p { margin: 0; color: #666; font-size: 14px; }

/* ── Section title ────────────────────────────────────────────────────────── */
.dc-section-title {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--dc-accent);
  margin-bottom: 14px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--dc-border);
}

/* ── Grid ─────────────────────────────────────────────────────────────────── */
.dc-grid { display: grid; gap: 18px; }
.dc-grid--2 { grid-template-columns: repeat(2, 1fr); }
.dc-grid--3 { grid-template-columns: repeat(3, 1fr); }

@media (max-width: 600px) {
  .dc-wrap { padding: 24px 18px; }
  .dc-grid--2,
  .dc-grid--3 { grid-template-columns: 1fr; }
}

/* ── Fields ───────────────────────────────────────────────────────────────── */
.dc-field { display: flex; flex-direction: column; gap: 6px; }
.dc-field label {
  font-size: 13px;
  font-weight: 600;
  color: var(--dc-primary);
}
.dc-required { color: var(--dc-error); }
.dc-hint { margin: 4px 0 0; font-size: 12px; color: #888; }

.dc-field input[type="text"],
.dc-field input[type="email"],
.dc-field input[type="tel"],
.dc-field input[type="number"] {
  width: 100%;
  padding: 10px 14px;
  border: 1.5px solid var(--dc-border);
  border-radius: var(--dc-radius);
  font-size: 14px;
  color: #333;
  transition: border-color .2s, box-shadow .2s;
  box-sizing: border-box;
  background: var(--dc-bg);
}
.dc-field input:focus {
  outline: none;
  border-color: var(--dc-accent);
  box-shadow: 0 0 0 3px rgba(46,134,193,.15);
  background: #fff;
}

/* ── Quantity stepper ─────────────────────────────────────────────────────── */
.dc-qty-wrap {
  display: flex;
  align-items: center;
  gap: 0;
  border: 1.5px solid var(--dc-border);
  border-radius: var(--dc-radius);
  overflow: hidden;
  background: var(--dc-bg);
}
.dc-qty-btn {
  width: 40px;
  height: 42px;
  border: none;
  background: #e8eef5;
  font-size: 18px;
  cursor: pointer;
  color: var(--dc-primary);
  transition: background .15s;
  flex-shrink: 0;
}
.dc-qty-btn:hover { background: var(--dc-border); }
.dc-qty-wrap input[type="number"] {
  border: none;
  border-radius: 0;
  text-align: center;
  flex: 1;
  background: transparent;
  -moz-appearance: textfield;
}
.dc-qty-wrap input[type="number"]::-webkit-outer-spin-button,
.dc-qty-wrap input[type="number"]::-webkit-inner-spin-button { -webkit-appearance: none; }

/* ── Checkboxes ───────────────────────────────────────────────────────────── */
.dc-checkbox-group { display: flex; flex-direction: column; gap: 10px; }
.dc-checkbox {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  font-size: 14px;
  color: #444;
  user-select: none;
}
.dc-checkbox input { display: none; }
.dc-checkmark {
  width: 20px;
  height: 20px;
  border: 2px solid var(--dc-border);
  border-radius: 4px;
  flex-shrink: 0;
  background: var(--dc-bg);
  transition: background .15s, border-color .15s;
  display: flex;
  align-items: center;
  justify-content: center;
}
.dc-checkbox input:checked + .dc-checkmark {
  background: var(--dc-accent);
  border-color: var(--dc-accent);
}
.dc-checkbox input:checked + .dc-checkmark::after {
  content: '';
  width: 5px;
  height: 9px;
  border: 2px solid #fff;
  border-top: none;
  border-left: none;
  transform: rotate(45deg) translateY(-1px);
  display: block;
}

/* ── Live preview ─────────────────────────────────────────────────────────── */
.dc-preview {
  margin-top: 24px;
  padding: 18px 22px;
  background: linear-gradient(135deg, var(--dc-primary), var(--dc-accent));
  border-radius: var(--dc-radius);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}
.dc-preview__label { font-size: 13px; opacity: .85; }
.dc-preview__amount { font-size: 28px; font-weight: 700; }
.dc-preview__note { font-size: 11px; opacity: .7; width: 100%; margin-top: -4px; }

/* ── Submit button ────────────────────────────────────────────────────────── */
.dc-btn {
  margin-top: 24px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 32px;
  background: var(--dc-primary);
  color: #fff;
  border: 2px solid var(--dc-primary);
  border-radius: var(--dc-radius);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: background .2s, transform .1s;
  width: 100%;
  justify-content: center;
}
.dc-btn:hover { background: var(--dc-accent); border-color: var(--dc-accent); }
.dc-btn:active { transform: scale(.98); }
.dc-btn--outline {
  background: transparent;
  color: var(--dc-primary);
}
.dc-btn--outline:hover { background: var(--dc-bg); }

/* ── Alert ────────────────────────────────────────────────────────────────── */
.dc-alert {
  padding: 12px 16px;
  border-radius: var(--dc-radius);
  font-size: 14px;
  margin-bottom: 18px;
}
.dc-alert--error { background: #fdecea; color: var(--dc-error); border-left: 4px solid var(--dc-error); }
.dc-alert--success { background: #eafaf1; color: var(--dc-success); border-left: 4px solid var(--dc-success); }

/* ── Success screen ───────────────────────────────────────────────────────── */
.dc-success { text-align: center; padding: 10px 0; }
.dc-success__icon {
  width: 64px;
  height: 64px;
  background: var(--dc-success);
  color: #fff;
  font-size: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 18px;
}
.dc-success h2 { color: var(--dc-primary); margin: 0 0 8px; }
.dc-success p  { color: #555; margin-bottom: 24px; }

/* ── Result table ─────────────────────────────────────────────────────────── */
.dc-result-box {
  background: var(--dc-bg);
  border-radius: var(--dc-radius);
  padding: 6px 0;
  margin-bottom: 24px;
  text-align: left;
}
.dc-result-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.dc-result-table td { padding: 9px 18px; }
.dc-result-table tbody tr { border-bottom: 1px solid var(--dc-border); }
.dc-result-table tbody td:last-child { text-align: right; color: #333; }
.dc-result-table__sub td { color: #666; }
.dc-result-table__sub td:last-child { text-align: right; }
.dc-result-table__total td {
  font-weight: 700;
  font-size: 16px;
  color: var(--dc-primary);
  border-top: 2px solid var(--dc-border);
  padding-top: 12px;
}
.dc-result-table__total td:last-child { text-align: right; }