/* ==========================================================================
   Kapture Studio Booking — Premium Frontend CSS v1.0.1
   Brand: Black / Charcoal / Off-white / Gold (#d4af37)
   System fonts only — no external domains
   ========================================================================== */

/* --------------------------------------------------------------------------
   CSS Custom Properties
   -------------------------------------------------------------------------- */
:root {
    --ksb-bg-deep:       #080808;
    --ksb-bg-card:       #111111;
    --ksb-bg-surface:    #171717;
    --ksb-bg-hover:      #1e1e1e;
    --ksb-gold:          #d4af37;
    --ksb-gold-dim:      #b8962c;
    --ksb-gold-rgb:      212, 175, 55;
    --ksb-gold-glow:     rgba(212, 175, 55, 0.15);
    --ksb-text-primary:  #f0f0f0;
    --ksb-text-secondary:#a8a8a8;
    --ksb-text-muted:    #616161;
    --ksb-border:        #222222;
    --ksb-border-subtle: #1a1a1a;
    --ksb-success:       #22c55e;
    --ksb-success-bg:    rgba(34, 197, 94, 0.08);
    --ksb-danger:        #ef4444;
    --ksb-danger-bg:     rgba(239, 68, 68, 0.08);
    --ksb-info:          #3b82f6;
    --ksb-radius-sm:     6px;
    --ksb-radius:        10px;
    --ksb-radius-lg:     14px;
    --ksb-transition:    all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --ksb-shadow-card:   0 4px 24px rgba(0, 0, 0, 0.35);
    --ksb-shadow-hover:  0 12px 32px rgba(0, 0, 0, 0.5);
    --ksb-font:          system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
                         Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue",
                         sans-serif;
}

/* --------------------------------------------------------------------------
   Wizard Container
   -------------------------------------------------------------------------- */
.ksb-wizard-container {
    background-color: var(--ksb-bg-deep);
    color: var(--ksb-text-primary);
    font-family: var(--ksb-font);
    font-size: 15px;
    line-height: 1.6;
    border-radius: var(--ksb-radius-lg);
    border: 1px solid var(--ksb-border);
    box-shadow: var(--ksb-shadow-card);
    max-width: 1240px;
    margin: 32px auto;
    overflow: hidden;
}

/* --------------------------------------------------------------------------
   Wizard Header & Stepper
   -------------------------------------------------------------------------- */
.ksb-wizard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
    padding: 28px 36px;
    border-bottom: 1px solid var(--ksb-border);
    background-color: var(--ksb-bg-card);
}

.ksb-brand-logo h2 {
    color: #ffffff;
    font-size: 22px;
    font-weight: 700;
    margin: 0;
    text-transform: uppercase;
    letter-spacing: 2px;
}
.ksb-brand-logo span {
    display: block;
    color: var(--ksb-gold);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 3px;
    font-weight: 500;
    margin-top: 3px;
    opacity: 0.85;
}

/* Stepper bar */
.ksb-stepper {
    display: flex;
    align-items: center;
    gap: 0;
    flex-wrap: wrap;
    gap: 4px;
}
.ksb-step-item {
    display: flex;
    align-items: center;
    gap: 8px;
    opacity: 0.38;
    transition: var(--ksb-transition);
    position: relative;
}
.ksb-step-item + .ksb-step-item {
    padding-left: 12px;
}
.ksb-step-item + .ksb-step-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 8px;
    height: 1px;
    background: var(--ksb-border);
}
.ksb-step-item.active  { opacity: 1; }
.ksb-step-item.completed { opacity: 0.75; }

.ksb-step-number {
    width: 26px;
    height: 26px;
    border-radius: 50%;
    border: 2px solid var(--ksb-text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    font-weight: 700;
    flex-shrink: 0;
    transition: var(--ksb-transition);
}
.ksb-step-item.active .ksb-step-number {
    border-color: var(--ksb-gold);
    background-color: var(--ksb-gold);
    color: #000;
    box-shadow: 0 0 12px var(--ksb-gold-glow);
}
.ksb-step-item.completed .ksb-step-number {
    border-color: var(--ksb-success);
    background-color: var(--ksb-success);
    color: #fff;
}
.ksb-step-item.completed .ksb-step-number::before {
    content: '✓';
    font-size: 12px;
}
.ksb-step-item.completed .ksb-step-number-text {
    display: none;
}
.ksb-step-label {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--ksb-text-secondary);
}
.ksb-step-item.active .ksb-step-label { color: var(--ksb-gold); }

/* --------------------------------------------------------------------------
   Main Layout — 2-column grid
   -------------------------------------------------------------------------- */
.ksb-wizard-main {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 0;
    min-height: 500px;
}
.ksb-wizard-content {
    padding: 36px;
    border-right: 1px solid var(--ksb-border);
}

/* --------------------------------------------------------------------------
   Step Panes
   -------------------------------------------------------------------------- */
.ksb-step-pane { display: none; }
.ksb-step-pane.active {
    display: block;
    animation: ksbFadeUp 0.3s ease-out both;
}
@keyframes ksbFadeUp {
    from { opacity: 0; transform: translateY(10px); }
    to   { opacity: 1; transform: translateY(0); }
}

.ksb-step-title {
    color: #ffffff;
    font-size: 20px;
    font-weight: 700;
    margin: 0 0 6px 0;
    letter-spacing: -0.3px;
}
.ksb-step-subtitle {
    color: var(--ksb-text-secondary);
    font-size: 13px;
    margin: 0 0 28px 0;
}

/* --------------------------------------------------------------------------
   Type / Category Badges
   -------------------------------------------------------------------------- */
.ksb-type-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 9px;
    border-radius: 20px;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    border: 1px solid transparent;
}
.ksb-badge-hourly    { background: rgba(59,130,246,0.12); color: #60a5fa; border-color: rgba(59,130,246,0.25); }
.ksb-badge-half-day  { background: rgba(168,85,247,0.12); color: #c084fc; border-color: rgba(168,85,247,0.25); }
.ksb-badge-full-day  { background: rgba(212,175,55,0.12); color: var(--ksb-gold); border-color: rgba(212,175,55,0.3); }
.ksb-badge-equipment { background: rgba(20,184,166,0.12); color: #2dd4bf; border-color: rgba(20,184,166,0.25); }
.ksb-badge-props     { background: rgba(249,115,22,0.12); color: #fb923c; border-color: rgba(249,115,22,0.25); }
.ksb-badge-crew      { background: rgba(239,68,68,0.12);  color: #f87171; border-color: rgba(239,68,68,0.25); }
.ksb-badge-addon     { background: rgba(34,197,94,0.12);  color: #4ade80; border-color: rgba(34,197,94,0.25); }
.ksb-badge-editing   { background: rgba(99,102,241,0.12); color: #818cf8; border-color: rgba(99,102,241,0.25); }

/* --------------------------------------------------------------------------
   STEP 1: Studio Space Cards
   -------------------------------------------------------------------------- */
.ksb-spaces-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 18px;
    margin-bottom: 36px;
}
.ksb-space-card {
    background-color: var(--ksb-bg-card);
    border: 1px solid var(--ksb-border);
    border-radius: var(--ksb-radius);
    overflow: hidden;
    cursor: pointer;
    transition: var(--ksb-transition);
    position: relative;
    outline: none;
}
.ksb-space-card:focus-visible {
    outline: 2px solid var(--ksb-gold);
    outline-offset: 2px;
}
.ksb-space-card:hover {
    border-color: rgba(var(--ksb-gold-rgb), 0.4);
    transform: translateY(-3px);
    box-shadow: var(--ksb-shadow-hover);
}
.ksb-space-card.selected {
    border-color: var(--ksb-gold);
    box-shadow: 0 0 0 1px var(--ksb-gold), var(--ksb-shadow-hover);
    background-color: var(--ksb-bg-surface);
}
.ksb-space-card.selected::after {
    content: '✓';
    position: absolute;
    top: 10px;
    right: 10px;
    width: 22px;
    height: 22px;
    background: var(--ksb-gold);
    color: #000;
    border-radius: 50%;
    font-size: 11px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
}
.ksb-space-img {
    width: 100%;
    height: 160px;
    object-fit: cover;
    border-bottom: 1px solid var(--ksb-border);
    display: block;
}
.ksb-space-placeholder-img {
    width: 100%;
    height: 160px;
    background: linear-gradient(135deg, #1a1a1a 0%, #111 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--ksb-text-muted);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 3px;
    text-transform: uppercase;
    border-bottom: 1px solid var(--ksb-border);
}
.ksb-space-info { padding: 18px 20px; }
.ksb-space-name {
    color: #ffffff;
    font-size: 16px;
    font-weight: 700;
    margin: 0 0 6px 0;
}
.ksb-space-desc {
    color: var(--ksb-text-secondary);
    font-size: 13px;
    line-height: 1.5;
    margin: 0 0 14px 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.ksb-space-meta {
    font-size: 11px;
    color: var(--ksb-gold);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
}

/* --------------------------------------------------------------------------
   STEP 1: Package Cards
   -------------------------------------------------------------------------- */
.ksb-package-selection-container { margin-top: 10px; }
.ksb-packages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
    gap: 14px;
    margin-top: 14px;
}
.ksb-package-card {
    background-color: var(--ksb-bg-card);
    border: 1px solid var(--ksb-border);
    border-radius: var(--ksb-radius);
    padding: 20px 18px;
    cursor: pointer;
    transition: var(--ksb-transition);
    position: relative;
    outline: none;
}
.ksb-package-card:focus-visible { outline: 2px solid var(--ksb-gold); outline-offset: 2px; }
.ksb-package-card:hover {
    border-color: rgba(var(--ksb-gold-rgb), 0.35);
    background-color: var(--ksb-bg-surface);
}
.ksb-package-card.selected {
    border-color: var(--ksb-gold);
    background-color: rgba(var(--ksb-gold-rgb), 0.06);
    box-shadow: 0 0 0 1px var(--ksb-gold);
}
.ksb-package-card.selected::after {
    content: '✓';
    position: absolute;
    top: 10px;
    right: 10px;
    width: 18px;
    height: 18px;
    background: var(--ksb-gold);
    color: #000;
    border-radius: 50%;
    font-size: 10px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
}
.ksb-package-name {
    color: #ffffff;
    font-size: 14px;
    font-weight: 700;
    margin: 0 0 6px 0;
}
.ksb-package-desc {
    color: var(--ksb-text-secondary);
    font-size: 12px;
    line-height: 1.45;
    margin: 0 0 14px 0;
}
.ksb-package-rate-label {
    color: var(--ksb-gold);
    font-size: 15px;
    font-weight: 700;
}

/* --------------------------------------------------------------------------
   STEP 2: Schedule / Date & Time
   -------------------------------------------------------------------------- */
.ksb-schedule-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-bottom: 10px;
}
.ksb-input-label {
    display: block;
    font-size: 11px;
    color: var(--ksb-text-secondary);
    text-transform: uppercase;
    letter-spacing: 1.2px;
    margin-bottom: 8px;
    font-weight: 700;
}
.ksb-text-input,
.ksb-select-input,
.ksb-textarea-input {
    width: 100%;
    background-color: var(--ksb-bg-surface);
    border: 1px solid var(--ksb-border);
    border-radius: var(--ksb-radius-sm);
    color: var(--ksb-text-primary);
    padding: 12px 14px;
    font-size: 14px;
    font-family: var(--ksb-font);
    transition: var(--ksb-transition);
    outline: none;
    box-sizing: border-box;
    appearance: none;
    -webkit-appearance: none;
}
.ksb-text-input:focus,
.ksb-select-input:focus,
.ksb-textarea-input:focus {
    border-color: var(--ksb-gold);
    box-shadow: 0 0 0 3px var(--ksb-gold-glow);
}
.ksb-text-input.ksb-input-error,
.ksb-select-input.ksb-input-error {
    border-color: var(--ksb-danger);
    box-shadow: 0 0 0 3px var(--ksb-danger-bg);
}
.ksb-field-error-msg {
    display: block;
    font-size: 12px;
    color: var(--ksb-danger);
    margin-top: 5px;
    font-weight: 600;
}
.ksb-time-fields {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
    margin-bottom: 20px;
}
.ksb-availability-notice {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    border-radius: var(--ksb-radius-sm);
    font-size: 13px;
    font-weight: 600;
    line-height: 1.4;
    border: 1px solid transparent;
    min-height: 44px;
}
.ksb-availability-notice.available {
    background-color: var(--ksb-success-bg);
    border-color: rgba(34, 197, 94, 0.3);
    color: var(--ksb-success);
}
.ksb-availability-notice.available::before { content: '✓'; font-size: 14px; font-weight: 700; }
.ksb-availability-notice.conflict {
    background-color: var(--ksb-danger-bg);
    border-color: rgba(239, 68, 68, 0.3);
    color: var(--ksb-danger);
}
.ksb-availability-notice.conflict::before { content: '✕'; font-size: 14px; font-weight: 700; }
.ksb-availability-notice.checking {
    background-color: rgba(255,255,255,0.03);
    border-color: var(--ksb-border);
    color: var(--ksb-text-secondary);
}

/* --------------------------------------------------------------------------
   STEP 3/4/5: Catalog Item Cards (Equipment / Props / Add-ons)
   -------------------------------------------------------------------------- */
.ksb-catalog-list { display: flex; flex-direction: column; gap: 12px; }

.ksb-catalog-item {
    display: flex;
    align-items: center;
    gap: 16px;
    background-color: var(--ksb-bg-card);
    border: 1px solid var(--ksb-border);
    border-radius: var(--ksb-radius);
    padding: 14px 18px;
    transition: var(--ksb-transition);
}
.ksb-catalog-item:hover { border-color: #2e2e2e; background-color: var(--ksb-bg-surface); }
.ksb-catalog-item.selected {
    border-color: rgba(var(--ksb-gold-rgb), 0.5);
    background-color: rgba(var(--ksb-gold-rgb), 0.04);
}

.ksb-item-thumb {
    width: 56px;
    height: 56px;
    object-fit: cover;
    border-radius: var(--ksb-radius-sm);
    border: 1px solid var(--ksb-border);
    flex-shrink: 0;
}
.ksb-item-thumb-placeholder {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, #1c1c1c, #111);
    border-radius: var(--ksb-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 8px;
    font-weight: 700;
    color: var(--ksb-text-muted);
    letter-spacing: 1px;
    border: 1px solid var(--ksb-border);
    flex-shrink: 0;
}
.ksb-item-details { flex-grow: 1; min-width: 0; }
.ksb-item-title {
    font-size: 14px;
    font-weight: 700;
    color: #ffffff;
    margin: 0 0 3px 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.ksb-item-desc {
    font-size: 12px;
    color: var(--ksb-text-secondary);
    line-height: 1.4;
    margin: 0 0 6px 0;
}
.ksb-item-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}
.ksb-item-price {
    font-size: 13px;
    font-weight: 700;
    color: var(--ksb-gold);
    white-space: nowrap;
    text-align: right;
}

/* Qty picker */
.ksb-qty-picker {
    display: flex;
    align-items: center;
    border: 1px solid var(--ksb-border);
    border-radius: var(--ksb-radius-sm);
    overflow: hidden;
    background: var(--ksb-bg-surface);
}
.ksb-qty-btn {
    background: transparent;
    color: var(--ksb-text-primary);
    border: none;
    width: 30px;
    height: 30px;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    outline: none;
    transition: var(--ksb-transition);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.ksb-qty-btn:hover { background-color: var(--ksb-bg-hover); color: var(--ksb-gold); }
.ksb-qty-btn:focus-visible { outline: 2px solid var(--ksb-gold); outline-offset: -2px; }
.ksb-qty-val {
    width: 36px;
    text-align: center;
    background: transparent;
    border: none;
    border-left: 1px solid var(--ksb-border);
    border-right: 1px solid var(--ksb-border);
    color: var(--ksb-text-primary);
    font-size: 13px;
    font-weight: 700;
    padding: 0;
    height: 30px;
    outline: none;
}
.ksb-qty-val::-webkit-outer-spin-button,
.ksb-qty-val::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }

/* --------------------------------------------------------------------------
   STEP 5: Crew Cards (toggle-select style)
   -------------------------------------------------------------------------- */
.ksb-crew-card {
    cursor: pointer;
    user-select: none;
    position: relative;
}
.ksb-crew-card .ksb-crew-check {
    width: 20px;
    height: 20px;
    border: 2px solid var(--ksb-text-muted);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: var(--ksb-transition);
    font-size: 10px;
    font-weight: 700;
}
.ksb-crew-card.selected {
    border-color: var(--ksb-success);
    background-color: rgba(34, 197, 94, 0.05);
}
.ksb-crew-card.selected .ksb-crew-check {
    border-color: var(--ksb-success);
    background-color: var(--ksb-success);
    color: #000;
}
.ksb-crew-card.selected .ksb-crew-check::after { content: '✓'; }

/* Section split grid (crew + addons) */
.ksb-step-grid-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 28px;
}
.ksb-section-title {
    font-size: 11px;
    color: var(--ksb-text-secondary);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin: 0 0 14px 0;
    font-weight: 700;
}

/* --------------------------------------------------------------------------
   STEP 6: Client Details Form
   -------------------------------------------------------------------------- */
.ksb-form-group-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}
.ksb-form-group.ksb-full-width { grid-column: span 2; }
.ksb-textarea-input {
    resize: vertical;
    min-height: 100px;
    line-height: 1.5;
}

/* --------------------------------------------------------------------------
   STEP 7: Review & Confirm
   -------------------------------------------------------------------------- */
.ksb-review-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-bottom: 32px;
}
.ksb-summary-card {
    background-color: var(--ksb-bg-surface);
    border: 1px solid var(--ksb-border);
    border-radius: var(--ksb-radius);
    overflow: hidden;
    margin-bottom: 20px;
}
.ksb-summary-row {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    padding: 10px 18px;
    font-size: 13px;
    border-bottom: 1px solid var(--ksb-border-subtle);
}
.ksb-summary-row:last-child { border-bottom: none; }
.ksb-s-label { color: var(--ksb-text-secondary); }
.ksb-s-value { color: var(--ksb-text-primary); font-weight: 600; text-align: right; max-width: 55%; }

.ksb-billing-card {
    background-color: var(--ksb-bg-surface);
    border: 1px solid var(--ksb-border);
    border-radius: var(--ksb-radius);
    padding: 22px;
}
.ksb-billing-row {
    display: flex;
    justify-content: space-between;
    padding: 7px 0;
    font-size: 13px;
    color: var(--ksb-text-secondary);
    border-bottom: 1px solid var(--ksb-border-subtle);
}
.ksb-billing-row:last-child { border-bottom: none; }
.ksb-billing-row span:last-child { color: var(--ksb-text-primary); font-weight: 600; }
.ksb-grand-total {
    display: flex;
    justify-content: space-between;
    font-size: 17px;
    font-weight: 700;
    color: #fff;
    padding: 12px 0 0;
    margin-top: 4px;
    border-top: 1px solid var(--ksb-border);
}
.ksb-total-gold-price { color: var(--ksb-gold); font-size: 20px; }
.ksb-tax-disclaimer {
    font-size: 11px;
    color: var(--ksb-text-muted);
    margin-top: 12px;
    text-align: right;
    line-height: 1.4;
}

/* Terms Agreement */
.ksb-terms-agreement-container {
    background-color: var(--ksb-bg-surface);
    border: 1px solid var(--ksb-border);
    border-radius: var(--ksb-radius);
    padding: 24px;
    margin-top: 8px;
}
.ksb-terms-tabs {
    background-color: var(--ksb-bg-deep);
    border: 1px solid var(--ksb-border);
    border-radius: var(--ksb-radius-sm);
    padding: 18px 20px;
    max-height: 220px;
    overflow-y: auto;
    margin-bottom: 22px;
    scrollbar-width: thin;
    scrollbar-color: #2c2c2e transparent;
}
.ksb-terms-tabs::-webkit-scrollbar { width: 4px; }
.ksb-terms-tabs::-webkit-scrollbar-thumb { background: #2c2c2e; border-radius: 2px; }
.ksb-policy-subtitle {
    font-size: 11px;
    color: var(--ksb-gold);
    text-transform: uppercase;
    letter-spacing: 1.2px;
    font-weight: 700;
    margin: 18px 0 6px 0;
}
.ksb-policy-subtitle:first-child { margin-top: 0; }
.ksb-policy-detail-text {
    font-size: 12px;
    line-height: 1.6;
    color: var(--ksb-text-secondary);
    margin: 0;
}
.ksb-terms-checkbox-wrapper { margin-top: 4px; }
.ksb-checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    cursor: pointer;
    font-size: 13px;
    color: var(--ksb-text-primary);
    line-height: 1.5;
    user-select: none;
}
.ksb-checkbox-label input[type="checkbox"] { display: none; }
.ksb-checkbox-custom {
    width: 20px;
    height: 20px;
    border: 2px solid var(--ksb-text-muted);
    border-radius: 5px;
    background: transparent;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    margin-top: 1px;
    transition: var(--ksb-transition);
}
.ksb-checkbox-label input[type="checkbox"]:checked + .ksb-checkbox-custom {
    border-color: var(--ksb-gold);
    background-color: var(--ksb-gold);
}
.ksb-checkbox-label input[type="checkbox"]:checked + .ksb-checkbox-custom::after {
    content: "\2713";
    font-size: 12px;
    color: #000;
    font-weight: 900;
}
.ksb-checkbox-label:focus-within .ksb-checkbox-custom {
    outline: 2px solid var(--ksb-gold);
    outline-offset: 2px;
}
.ksb-checkbox-text { color: var(--ksb-text-primary); font-weight: 500; }

/* --------------------------------------------------------------------------
   Navigation Controls
   -------------------------------------------------------------------------- */
.ksb-wizard-navigation {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 36px;
    padding-top: 24px;
    border-top: 1px solid var(--ksb-border);
    gap: 12px;
}
.ksb-nav-btn {
    font-family: var(--ksb-font);
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    padding: 13px 28px;
    border-radius: var(--ksb-radius-sm);
    cursor: pointer;
    transition: var(--ksb-transition);
    outline: none;
    display: flex;
    align-items: center;
    gap: 8px;
    min-height: 46px;
}
.ksb-nav-btn:focus-visible { outline: 2px solid var(--ksb-gold); outline-offset: 2px; }
.ksb-btn-primary {
    background-color: var(--ksb-gold);
    color: #000;
    border: 1px solid var(--ksb-gold);
    flex-grow: 1;
    justify-content: center;
    max-width: 280px;
    margin-left: auto;
}
.ksb-btn-primary:hover:not(:disabled) {
    background-color: var(--ksb-gold-dim);
    border-color: var(--ksb-gold-dim);
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(var(--ksb-gold-rgb), 0.25);
}
.ksb-btn-primary:disabled { opacity: 0.4; cursor: not-allowed; transform: none; box-shadow: none; }
.ksb-btn-primary:active:not(:disabled) { transform: translateY(0); }
.ksb-btn-secondary {
    background-color: transparent;
    color: var(--ksb-text-secondary);
    border: 1px solid var(--ksb-border);
}
.ksb-btn-secondary:hover {
    background-color: var(--ksb-bg-hover);
    border-color: var(--ksb-text-muted);
    color: var(--ksb-text-primary);
}
.ksb-btn-arrow { font-size: 15px; line-height: 1; }

/* --------------------------------------------------------------------------
   Sticky Sidebar (desktop) / Collapsible (mobile)
   -------------------------------------------------------------------------- */
.ksb-wizard-sidebar {
    padding: 28px 24px;
    background-color: var(--ksb-bg-card);
    display: flex;
    flex-direction: column;
    gap: 0;
    position: sticky;
    top: 0;
    align-self: start;
    min-height: 100%;
}
.ksb-sidebar-title {
    font-size: 10px;
    color: var(--ksb-text-muted);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin: 0 0 22px 0;
    font-weight: 700;
}
.ksb-sidebar-card { display: flex; flex-direction: column; gap: 18px; }
.ksb-sidebar-item { display: flex; flex-direction: column; gap: 4px; }
.ksb-side-label {
    font-size: 10px;
    color: var(--ksb-text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 700;
}
.ksb-side-val {
    font-size: 14px;
    color: var(--ksb-text-primary);
    font-weight: 600;
    line-height: 1.4;
}
.ksb-sidebar-separator {
    height: 1px;
    background: var(--ksb-border);
    margin: 4px 0;
}
.ksb-sidebar-bill-list {
    display: flex;
    flex-direction: column;
    gap: 7px;
}
.ksb-sidebar-bill-item {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    font-size: 12px;
    color: var(--ksb-text-secondary);
    line-height: 1.4;
}
.ksb-sidebar-bill-item span:last-child { color: var(--ksb-text-primary); font-weight: 600; white-space: nowrap; margin-left: 8px; }
.ksb-sidebar-total {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-top: 16px;
    padding-top: 14px;
    border-top: 1px solid var(--ksb-border);
}
.ksb-sidebar-total-label {
    font-size: 11px;
    color: var(--ksb-text-muted);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}
.ksb-sidebar-total-amount {
    font-size: 22px;
    font-weight: 700;
    color: var(--ksb-gold);
    letter-spacing: -0.5px;
}

/* --------------------------------------------------------------------------
   Empty State
   -------------------------------------------------------------------------- */
.ksb-no-data {
    text-align: center;
    padding: 48px 20px;
    color: var(--ksb-text-muted);
    font-style: italic;
    font-size: 14px;
    background: var(--ksb-bg-surface);
    border: 1px dashed var(--ksb-border);
    border-radius: var(--ksb-radius);
}
.ksb-no-data strong {
    display: block;
    color: var(--ksb-text-secondary);
    font-style: normal;
    font-size: 15px;
    margin-bottom: 8px;
}

/* --------------------------------------------------------------------------
   Loading States
   -------------------------------------------------------------------------- */
.ksb-loading-spinner {
    width: 36px;
    height: 36px;
    border: 3px solid rgba(255,255,255,0.08);
    border-top-color: var(--ksb-gold);
    border-radius: 50%;
    animation: ksbSpin 0.8s linear infinite;
    margin: 48px auto;
}
@keyframes ksbSpin {
    to { transform: rotate(360deg); }
}
.ksb-loading-inline {
    display: inline-block;
    width: 14px;
    height: 14px;
    border: 2px solid rgba(0,0,0,0.3);
    border-top-color: #000;
    border-radius: 50%;
    animation: ksbSpin 0.7s linear infinite;
    vertical-align: middle;
    margin-right: 6px;
}

/* --------------------------------------------------------------------------
   Success Modal Overlay
   -------------------------------------------------------------------------- */
.ksb-modal-overlay {
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.88);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 999999;
    padding: 20px;
    animation: ksbFadeIn 0.35s ease-out both;
}
@keyframes ksbFadeIn { from { opacity: 0; } to { opacity: 1; } }
.ksb-modal-card {
    background-color: var(--ksb-bg-card);
    border: 1px solid var(--ksb-border);
    border-radius: var(--ksb-radius-lg);
    padding: 44px 40px;
    max-width: 460px;
    width: 100%;
    text-align: center;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.6);
    animation: ksbScaleIn 0.4s cubic-bezier(0.34, 1.56, 0.64, 1) both;
}
@keyframes ksbScaleIn { from { transform: scale(0.88); } to { transform: scale(1); } }
.ksb-modal-success-icon {
    width: 68px;
    height: 68px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--ksb-success), #16a34a);
    color: #fff;
    font-size: 28px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px auto;
    box-shadow: 0 0 0 8px rgba(34,197,94,0.12);
}
.ksb-modal-title {
    color: #ffffff;
    font-size: 22px;
    font-weight: 700;
    margin: 0 0 10px 0;
}
.ksb-modal-message {
    color: var(--ksb-text-secondary);
    font-size: 14px;
    line-height: 1.65;
    margin: 0 0 28px 0;
}
.ksb-modal-summary-box {
    background-color: var(--ksb-bg-surface);
    border: 1px solid var(--ksb-border);
    border-radius: var(--ksb-radius-sm);
    padding: 18px 20px;
    margin-bottom: 28px;
    text-align: left;
    font-size: 13px;
    display: flex;
    flex-direction: column;
    gap: 9px;
    color: var(--ksb-text-secondary);
}
.ksb-modal-summary-box span { color: var(--ksb-gold); font-weight: 700; }
.ksb-modal-summary-box strong { color: var(--ksb-text-primary); font-weight: 700; }
.ksb-modal-btn {
    font-family: var(--ksb-font);
    font-size: 13px;
    font-weight: 700;
    color: #000;
    background-color: var(--ksb-gold);
    border: none;
    border-radius: var(--ksb-radius-sm);
    padding: 13px 32px;
    cursor: pointer;
    transition: var(--ksb-transition);
    outline: none;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    width: 100%;
}
.ksb-modal-btn:hover { background-color: var(--ksb-gold-dim); }
.ksb-modal-btn:focus-visible { outline: 2px solid #fff; outline-offset: 2px; }

/* --------------------------------------------------------------------------
   Utility
   -------------------------------------------------------------------------- */
.ksb-hidden     { display: none !important; }
.ksb-invisible  { visibility: hidden !important; }
.ksb-divider {
    border: 0;
    border-top: 1px solid var(--ksb-border);
    margin: 16px 0;
}

/* --------------------------------------------------------------------------
   Responsive: 768px Tablet
   -------------------------------------------------------------------------- */
@media (max-width: 900px) {
    .ksb-wizard-main {
        grid-template-columns: 1fr;
    }
    .ksb-wizard-content {
        border-right: none;
        border-bottom: 1px solid var(--ksb-border);
    }
    /* Collapsible sidebar */
    .ksb-wizard-sidebar {
        position: static;
        min-height: auto;
        padding: 20px 24px;
        border-top: 1px solid var(--ksb-border);
    }
    .ksb-sidebar-title {
        cursor: pointer;
        display: flex;
        justify-content: space-between;
        align-items: center;
        margin-bottom: 0;
        padding: 4px 0;
        font-size: 12px;
    }
    .ksb-sidebar-title::after {
        content: '▼';
        font-size: 9px;
        color: var(--ksb-gold);
        transition: transform 0.25s ease;
    }
    .ksb-wizard-sidebar.expanded .ksb-sidebar-title::after {
        transform: rotate(180deg);
    }
    .ksb-wizard-sidebar.expanded .ksb-sidebar-title {
        margin-bottom: 20px;
    }
    /* Sidebar card: CSS-animated collapse — max-height transition, no jQuery */
    .ksb-sidebar-card {
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.28s ease;
    }
    .ksb-wizard-sidebar.expanded .ksb-sidebar-card {
        max-height: 600px; /* large enough for all summary content */
    }
    /* Nav button full width on mobile */
    .ksb-wizard-navigation { flex-wrap: wrap; }
    .ksb-btn-primary { max-width: 100%; flex-grow: 1; justify-content: center; }
}

@media (max-width: 768px) {
    .ksb-wizard-header {
        padding: 20px 22px;
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }
    .ksb-stepper { gap: 2px; }
    .ksb-step-label { display: none; }
    .ksb-step-item.active .ksb-step-label { display: block; }
    .ksb-wizard-content { padding: 24px 22px; }
    .ksb-schedule-row,
    .ksb-review-grid { grid-template-columns: 1fr; }
    .ksb-time-fields { grid-template-columns: 1fr; }
    .ksb-step-grid-split { grid-template-columns: 1fr; }
    .ksb-form-group-grid { grid-template-columns: 1fr; }
    .ksb-form-group.ksb-full-width { grid-column: span 1; }
    .ksb-spaces-grid { grid-template-columns: 1fr; }
    .ksb-packages-grid { grid-template-columns: 1fr 1fr; }
}

/* 390px — smallest phone */
@media (max-width: 430px) {
    .ksb-wizard-container { margin: 0; border-radius: 0; border-left: none; border-right: none; }
    .ksb-wizard-header { padding: 16px 16px; }
    .ksb-wizard-content { padding: 20px 16px; }
    .ksb-packages-grid { grid-template-columns: 1fr; }
    .ksb-catalog-item { flex-wrap: wrap; }
    .ksb-item-actions { width: 100%; justify-content: space-between; margin-top: 8px; }
    .ksb-nav-btn { padding: 13px 16px; font-size: 12px; }
    .ksb-modal-card { padding: 32px 24px; }
}

/* 1440px+ desktop polish */
@media (min-width: 1440px) {
    .ksb-wizard-container { max-width: 1320px; }
    .ksb-wizard-main { grid-template-columns: 1fr 380px; }
    .ksb-spaces-grid { grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
}