/* =========================================================
   Heuer & Sack – Form Styles
   ========================================================= */

:root {
  --hs-primary:        #292749;
  --hs-primary-hover:  #1a1830;
  --hs-accent:         #4f98a3;
  --hs-accent-hover:   #3a7f8a;
  --hs-bg:             #f7f6f2;
  --hs-surface:        #ffffff;
  --hs-surface-2:      #f9f8f5;
  --hs-border:         rgba(41,39,73,0.12);
  --hs-text:           #1a1830;
  --hs-text-muted:     #6b6a7a;
  --hs-text-faint:     #b0afbc;
  --hs-error:          #c0392b;
  --hs-success:        #2e7d32;
  --hs-radius:         0.6rem;
  --hs-radius-lg:      1rem;
  --hs-shadow-sm:      0 1px 3px rgba(41,39,73,0.08);
  --hs-shadow-md:      0 4px 16px rgba(41,39,73,0.10);
  --hs-shadow-lg:      0 12px 40px rgba(41,39,73,0.14);
  --hs-transition:     220ms cubic-bezier(0.16, 1, 0.3, 1);
}

body {
  background-color: var(--hs-bg);
  font-family: 'Inter', 'Segoe UI', sans-serif;
  color: var(--hs-text);
}

/* ── Form card ────────────────────────────────────────── */
.form-card {
  background: var(--hs-surface);
  border-radius: var(--hs-radius-lg);
  box-shadow: var(--hs-shadow-lg);
  overflow: hidden;
  border: 1px solid var(--hs-border);
  max-width: 760px;
  margin: 0 auto;
}

/* ── Step indicator ───────────────────────────────────── */
.step-indicator {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem 2rem 1.25rem;
  background: var(--hs-primary);
}

.step-indicator__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  position: relative;
  flex: 1;
  max-width: 140px;
}

.step-indicator__item:not(:last-child)::after {
  content: '';
  position: absolute;
  top: 17px;
  left: calc(50% + 20px);
  right: calc(-50% + 20px);
  height: 2px;
  background: rgba(255,255,255,0.2);
  transition: background var(--hs-transition);
}

.step-indicator__item.is-done:not(:last-child)::after {
  background: var(--hs-accent);
}

.step-indicator__circle {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 2px solid rgba(255,255,255,0.3);
  background: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 700;
  color: rgba(255,255,255,0.4);
  transition: all var(--hs-transition);
  position: relative;
  z-index: 1;
}

.step-indicator__item.is-active .step-indicator__circle {
  background: var(--hs-accent);
  border-color: var(--hs-accent);
  color: #fff;
  box-shadow: 0 0 0 4px rgba(79,152,163,0.3);
}

.step-indicator__item.is-done .step-indicator__circle {
  background: rgba(255,255,255,0.12);
  border-color: var(--hs-accent);
  color: var(--hs-accent);
}

.step-indicator__label {
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: rgba(255,255,255,0.3);
  transition: color var(--hs-transition);
  white-space: nowrap;
}

.step-indicator__item.is-active .step-indicator__label { color: rgba(255,255,255,0.9); }
.step-indicator__item.is-done  .step-indicator__label { color: rgba(255,255,255,0.5); }

/* ── Progress bar ─────────────────────────────────────── */
.step-progress-bar {
  height: 3px;
  background: rgba(41,39,73,0.08);
}

.step-progress-bar__fill {
  height: 100%;
  background: var(--hs-accent);
  transition: width 400ms cubic-bezier(0.16, 1, 0.3, 1);
}

/* ── Step panels & animations ─────────────────────────── */
.step-panel {
  padding: 2rem 2rem 0;
  display: none;
}

.step-panel.is-visible {
  display: block;
  animation: stepFadeIn 320ms cubic-bezier(0.16, 1, 0.3, 1) both;
}

.step-panel.slide-in-right {
  animation: stepSlideInRight 320ms cubic-bezier(0.16, 1, 0.3, 1) both;
}

.step-panel.slide-in-left {
  animation: stepSlideInLeft 320ms cubic-bezier(0.16, 1, 0.3, 1) both;
}

@keyframes stepFadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes stepSlideInRight {
  from { opacity: 0; transform: translateX(36px); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes stepSlideInLeft {
  from { opacity: 0; transform: translateX(-36px); }
  to   { opacity: 1; transform: translateX(0); }
}

@media (prefers-reduced-motion: reduce) {
  .step-panel,
  .step-panel.slide-in-right,
  .step-panel.slide-in-left { animation: none; }
}

/* ── Section titles ───────────────────────────────────── */
.step-section-title {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--hs-text-faint);
  margin-bottom: 1rem;
  margin-top: 1.5rem;
  padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--hs-border);
}

.step-section-title:first-child { margin-top: 0; }

/* ── Inputs ───────────────────────────────────────────── */
.form-control,
.form-select {
  border: 1.5px solid var(--hs-border);
  border-radius: var(--hs-radius);
  background: var(--hs-surface-2);
  color: var(--hs-text);
  font-size: 0.9rem;
  padding: 0.55rem 0.85rem;
  transition: border-color var(--hs-transition), box-shadow var(--hs-transition), background var(--hs-transition);
}

.form-control:focus,
.form-select:focus {
  border-color: var(--hs-accent);
  box-shadow: 0 0 0 3px rgba(79,152,163,0.18);
  background: #fff;
  outline: none;
}

.form-control.is-invalid,
.form-select.is-invalid {
  border-color: var(--hs-error);
  box-shadow: 0 0 0 3px rgba(192,57,43,0.12);
}

.form-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--hs-text-muted);
  margin-bottom: 0.3rem;
}

/* ── Buttons ──────────────────────────────────────────── */
.btn.next,
.btn-primary {
  background: var(--hs-primary);
  border: none;
  border-radius: var(--hs-radius);
  color: #fff;
  font-weight: 600;
  font-size: 0.9rem;
  padding: 0.6rem 1.5rem;
  transition: background var(--hs-transition), transform var(--hs-transition), box-shadow var(--hs-transition);
}

.btn.next:hover,
.btn-primary:hover {
  background: var(--hs-primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--hs-shadow-md);
  color: #fff;
}

.btn.next:active,
.btn-primary:active {
  transform: translateY(0);
  box-shadow: none;
}

.btn.back,
.btn-outline-secondary {
  background: transparent;
  border: 1.5px solid var(--hs-border);
  border-radius: var(--hs-radius);
  color: var(--hs-text-muted);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 0.6rem 1.5rem;
  transition: all var(--hs-transition);
}

.btn.back:hover,
.btn-outline-secondary:hover {
  border-color: var(--hs-primary);
  color: var(--hs-primary);
  background: rgba(41,39,73,0.04);
}

.btn-success {
  background: var(--hs-success) !important;
  border: none;
  border-radius: var(--hs-radius);
  color: #fff !important;
  font-weight: 600;
  transition: all var(--hs-transition);
}

.btn-success:hover {
  background: #1b5e20 !important;
  transform: translateY(-1px);
  box-shadow: var(--hs-shadow-md);
}

/* ── Step nav footer ──────────────────────────────────── */
.step-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 0 1.5rem;
  margin-top: 1rem;
  border-top: 1px solid var(--hs-border);
}

/* ── Radio cards ──────────────────────────────────────── */
.radio-card-group {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.radio-card { position: relative; }

.radio-card input[type="radio"] {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.radio-card label {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  padding: 0.9rem 1.5rem;
  border: 2px solid var(--hs-border);
  border-radius: var(--hs-radius);
  background: var(--hs-surface-2);
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--hs-text-muted);
  transition: all var(--hs-transition);
  min-width: 130px;
  text-align: center;
}

.radio-card label:hover {
  border-color: var(--hs-accent);
  background: #fff;
  color: var(--hs-text);
}

.radio-card input[type="radio"]:checked + label {
  border-color: var(--hs-primary);
  background: rgba(41,39,73,0.05);
  color: var(--hs-primary);
  box-shadow: 0 0 0 3px rgba(41,39,73,0.1);
}

/* ── Checkboxes ───────────────────────────────────────── */
.form-check-input:checked {
  background-color: var(--hs-primary);
  border-color: var(--hs-primary);
}

.form-check-input:focus {
  box-shadow: 0 0 0 3px rgba(41,39,73,0.15);
  border-color: var(--hs-primary);
}

/* ── Rabatt block ─────────────────────────────────────── */
#rabattBlock {
  background: rgba(79,152,163,0.06);
  border: 1.5px dashed rgba(79,152,163,0.4);
  border-radius: var(--hs-radius);
  padding: 0.9rem 1rem;
}

#rabattHint {
  font-size: 0.78rem;
  color: var(--hs-success);
  font-weight: 600;
}

/* ── Bank section ─────────────────────────────────────── */
#bankSection {
  background: var(--hs-surface-2);
  border: 1px solid var(--hs-border);
  border-radius: var(--hs-radius);
  padding: 1rem;
  margin-top: 0.5rem;
  animation: stepFadeIn 280ms cubic-bezier(0.16, 1, 0.3, 1) both;
}

/* ── Tarif description ────────────────────────────────── */
#tarifDescription {
  font-size: 0.8rem;
  color: var(--hs-text-muted);
  font-style: italic;
  margin-top: 0.3rem;
  min-height: 1.2em;
  transition: color var(--hs-transition);
}

/* ── Error message ────────────────────────────────────── */
#error-message {
  font-size: 0.78rem;
  color: var(--hs-error);
  font-weight: 600;
}

/* ── Cost table ───────────────────────────────────────── */
.cost-table {
  border-radius: var(--hs-radius);
  border: 1px solid var(--hs-border);
  overflow: hidden;
}

.cost-table thead th {
  background: var(--hs-primary);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.6rem 0.75rem;
  border: none;
}

.cost-table tbody td {
  padding: 0.45rem 0.75rem;
  border-bottom: 1px solid var(--hs-border);
  font-size: 0.88rem;
}

.cost-table tfoot td {
  font-weight: 700;
  background: rgba(41,39,73,0.04);
  border-top: 2px solid var(--hs-primary);
  padding: 0.55rem 0.75rem;
  font-size: 0.92rem;
}

.fee-old,
.price-old {
  text-decoration: line-through;
  color: var(--hs-text-faint);
  margin-right: 0.35rem;
  font-size: 0.82rem;
}

/* ── Modals ───────────────────────────────────────────── */
.modal-content {
  border-radius: var(--hs-radius-lg);
  border: none;
  box-shadow: var(--hs-shadow-lg);
}

.modal-header {
  background: var(--hs-primary);
  color: #fff;
  border-radius: var(--hs-radius-lg) var(--hs-radius-lg) 0 0;
  border-bottom: none;
}

.modal-header .btn-close { filter: invert(1); }

/* Lage radio group invalid state */
input[name="lage"].is-invalid + label {
  color: var(--bs-danger, #dc3545);
}

input[name="lage"].is-invalid {
  border-color: var(--bs-danger, #dc3545);
}

/* ── Send overlay ─────────────────────────────────────── */
#sendModalOverlay {
  position: fixed;
  inset: 0;
  background: rgba(26,24,48,0.6);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 1050;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: stepFadeIn 200ms ease both;
}

#sendModalOverlay > div {
  background: var(--hs-surface);
  border-radius: var(--hs-radius-lg);
  box-shadow: var(--hs-shadow-lg);
  padding: 2rem;
  max-width: 480px;
  width: 90%;
  animation: stepFadeIn 280ms cubic-bezier(0.16, 1, 0.3, 1) both;
}

/* ── Invalid feedback ─────────────────────────────────── */
.invalid-feedback { font-size: 0.75rem; }
.is-invalid ~ .invalid-feedback,
.is-invalid + .invalid-feedback { display: block; }

/* ── Responsive ───────────────────────────────────────── */
@media (max-width: 576px) {
  .step-panel  { padding: 1.25rem 1rem 0; }
  .step-nav    { padding: 1rem 0 1.25rem; }
  .step-indicator { padding: 1.1rem 0.75rem 1rem; }
  .step-indicator__label { display: none; }
  .step-indicator__item:not(:last-child)::after { display: none; }
}