/* ═══════════════════════════════════════════════
   Konfigurator Okien – stylesheet
   ═══════════════════════════════════════════════ */

:root {
    --ko-primary:   #1a5c8c;
    --ko-primary-h: #1248a;
    --ko-accent:    #f0a500;
    --ko-bg:        #f8f9fa;
    --ko-card-bg:   #ffffff;
    --ko-border:    #dde3e9;
    --ko-text:      #2d3748;
    --ko-muted:     #718096;
    --ko-success:   #276749;
    --ko-error:     #c53030;
    --ko-radius:    10px;
    --ko-shadow:    0 2px 12px rgba(0,0,0,.08);
}

.ko-wrap {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--ko-text);
    max-width: 820px;
    margin: 0 auto;
    padding: 24px 16px 40px;
}

/* ── Progress bar ── */
.ko-progress {
    height: 6px;
    background: var(--ko-border);
    border-radius: 3px;
    margin-bottom: 12px;
    overflow: hidden;
}
.ko-progress-bar {
    height: 100%;
    background: var(--ko-primary);
    border-radius: 3px;
    transition: width .4s ease;
    width: 0%;
}

/* ── Steps nav ── */
.ko-steps-nav {
    display: flex;
    justify-content: space-between;
    margin-bottom: 28px;
    flex-wrap: wrap;
    gap: 4px;
}
.ko-nav-dot {
    display: flex;
    flex-direction: column;
    align-items: center;
    font-size: 11px;
    color: var(--ko-muted);
    cursor: default;
    gap: 4px;
    flex: 1;
    min-width: 60px;
}
.ko-nav-num {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--ko-border);
    color: var(--ko-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 13px;
    transition: background .3s, color .3s;
}
.ko-nav-dot--active .ko-nav-num {
    background: var(--ko-primary);
    color: #fff;
}
.ko-nav-dot--completed .ko-nav-num {
    background: var(--ko-primary);
    color: #fff;
    opacity: .55;
}
.ko-nav-label {
    text-align: center;
    font-size: 10px;
    line-height: 1.2;
}

/* ── Step heading ── */
.ko-step h2 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--ko-primary);
    margin: 0 0 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--ko-border);
}
.ko-step h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--ko-primary);
    margin: 28px 0 14px;
}

/* ── Card grid ── */
.ko-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
    gap: 14px;
}
.ko-cards-color {
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
}

/* ── Single card ── */
.ko-card {
    background: var(--ko-card-bg);
    border: 2px solid var(--ko-border);
    border-radius: var(--ko-radius);
    padding: 18px 14px 14px;
    cursor: pointer;
    text-align: center;
    transition: border-color .2s, box-shadow .2s, transform .15s;
    user-select: none;
}
.ko-card:hover {
    border-color: var(--ko-primary);
    box-shadow: var(--ko-shadow);
    transform: translateY(-2px);
}
.ko-card--selected {
    border-color: var(--ko-primary);
    background: #eaf2f9;
    box-shadow: 0 0 0 3px rgba(26,92,140,.18);
}
.ko-card-icon {
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 10px;
}
.ko-card-icon img {
    max-height: 44px;
    max-width: 100%;
}
.ko-card-title {
    font-weight: 700;
    font-size: .9rem;
    margin-bottom: 4px;
}
.ko-card-desc {
    font-size: .78rem;
    color: var(--ko-muted);
    line-height: 1.4;
}

/* ── Color swatch ── */
.ko-color-swatch {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    margin: 0 auto 10px;
    border: 3px solid var(--ko-border);
    box-shadow: 0 1px 4px rgba(0,0,0,.12);
    transition: transform .2s;
}
.ko-card--selected .ko-color-swatch,
.ko-card:hover .ko-color-swatch {
    transform: scale(1.12);
    border-color: var(--ko-primary);
}

/* ── Opening icons (SVG-drawn via CSS) ── */
.ko-icon-glass,
.ko-icon-open {
    position: relative;
    width: 44px;
    height: 44px;
    margin: 0 auto;
    border: 2px solid var(--ko-primary);
    border-radius: 4px;
    background: #eaf2f9;
}
.ko-icon-glass::after {
    content: '';
    display: block;
    position: absolute;
    inset: 4px;
    border: 2px solid var(--ko-primary);
    opacity: .4;
    border-radius: 2px;
}
.ko-icon-glass-3::before,
.ko-icon-glass-3p::before {
    content: '';
    display: block;
    position: absolute;
    top: 4px; bottom: 4px;
    left: 50%; transform: translateX(-50%);
    width: 2px;
    background: var(--ko-primary);
    opacity: .4;
}
/* Tilt arrow for open icons */
.ko-icon-open-tilt::after,
.ko-icon-open-tr::after {
    content: '↥';
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: var(--ko-primary);
}
.ko-icon-open-left::after  { content: '←'; position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:20px;color:var(--ko-primary); }
.ko-icon-open-right::after { content: '→'; position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:20px;color:var(--ko-primary); }
.ko-icon-open-fixed::after { content: '▭'; position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:18px;color:var(--ko-primary); }

/* ── Dimensions ── */
.ko-dims-wrap {
    display: flex;
    align-items: flex-end;
    gap: 16px;
    flex-wrap: wrap;
}
.ko-dim-field {
    display: flex;
    flex-direction: column;
    gap: 6px;
    flex: 1;
    min-width: 140px;
}
.ko-dim-field label {
    font-weight: 600;
    font-size: .9rem;
}
.ko-dim-field input {
    border: 2px solid var(--ko-border);
    border-radius: var(--ko-radius);
    padding: 10px 14px;
    font-size: 1rem;
    width: 100%;
    box-sizing: border-box;
    outline: none;
    transition: border-color .2s;
}
.ko-dim-field input:focus {
    border-color: var(--ko-primary);
    box-shadow: 0 0 0 3px rgba(26,92,140,.12);
}
.ko-dim-x {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--ko-muted);
    padding-bottom: 32px;
}
.ko-dim-hint {
    font-size: .75rem;
    color: var(--ko-muted);
}

/* ── Navigation buttons ── */
.ko-nav-btns {
    display: flex;
    justify-content: space-between;
    margin-top: 28px;
    gap: 12px;
}
.ko-btn {
    padding: 12px 28px;
    border-radius: var(--ko-radius);
    font-size: .95rem;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: background .2s, transform .1s;
}
.ko-btn:active { transform: scale(.98); }
.ko-btn-prev {
    background: var(--ko-border);
    color: var(--ko-text);
}
.ko-btn-prev:hover { background: #cbd5e0; }
.ko-btn-next {
    background: var(--ko-primary);
    color: #fff;
    margin-left: auto;
}
.ko-btn-next:hover { background: #1248a0; }

/* ── Step error ── */
.ko-step-error {
    color: var(--ko-error);
    background: #fff5f5;
    border: 1px solid #fc8181;
    border-radius: 6px;
    padding: 10px 14px;
    font-size: .88rem;
    margin-top: 8px;
}

/* ── Summary table ── */
.ko-summary {
    background: var(--ko-bg);
    border-radius: var(--ko-radius);
    padding: 18px;
    margin-bottom: 8px;
}
.ko-summary-table {
    width: 100%;
    border-collapse: collapse;
}
.ko-summary-table th,
.ko-summary-table td {
    padding: 8px 12px;
    text-align: left;
    border-bottom: 1px solid var(--ko-border);
    font-size: .9rem;
}
.ko-summary-table th {
    width: 40%;
    color: var(--ko-muted);
    font-weight: 600;
}
.ko-summary-table td {
    font-weight: 700;
    color: var(--ko-text);
}
.ko-summary-table tr:last-child th,
.ko-summary-table tr:last-child td {
    border-bottom: none;
}

/* ── Contact form ── */
.ko-form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
    margin-bottom: 14px;
}
.ko-form-field {
    display: flex;
    flex-direction: column;
    gap: 5px;
}
.ko-form-field-full {
    grid-column: 1 / -1;
    margin-bottom: 14px;
}
.ko-form-field label {
    font-weight: 600;
    font-size: .88rem;
}
.ko-form-field label span {
    color: var(--ko-error);
}
.ko-form-field input,
.ko-form-field textarea {
    border: 2px solid var(--ko-border);
    border-radius: var(--ko-radius);
    padding: 10px 14px;
    font-size: .95rem;
    font-family: inherit;
    width: 100%;
    box-sizing: border-box;
    outline: none;
    transition: border-color .2s;
}
.ko-form-field input:focus,
.ko-form-field textarea:focus {
    border-color: var(--ko-primary);
    box-shadow: 0 0 0 3px rgba(26,92,140,.12);
}
.ko-form-field textarea { resize: vertical; }

/* ── GDPR checkbox ── */
.ko-gdpr { margin-bottom: 6px; }
.ko-checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: .85rem;
    line-height: 1.5;
    cursor: pointer;
}
.ko-checkbox-label input { margin-top: 3px; flex-shrink: 0; cursor: pointer; }
.ko-checkbox-label a { color: var(--ko-primary); }

/* ── Submit button ── */
.ko-btn-submit {
    background: var(--ko-accent);
    color: #1a1a1a;
    border: none;
    border-radius: var(--ko-radius);
    padding: 14px 40px;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: background .2s, transform .1s;
    width: 100%;
}
.ko-btn-submit:hover    { background: #d4920a; }
.ko-btn-submit:active   { transform: scale(.98); }
.ko-btn-submit:disabled { opacity: .6; cursor: default; }

/* ── Form message ── */
.ko-form-msg {
    border-radius: 6px;
    padding: 12px 16px;
    font-size: .9rem;
    margin-bottom: 14px;
}
.ko-form-msg--success {
    background: #f0fff4;
    border: 1px solid #9ae6b4;
    color: var(--ko-success);
}
.ko-form-msg--error {
    background: #fff5f5;
    border: 1px solid #fc8181;
    color: var(--ko-error);
}

/* ── Responsive ── */
@media (max-width: 540px) {
    .ko-steps-nav { display: none; }
    .ko-cards { grid-template-columns: 1fr 1fr; }
    .ko-form-row { grid-template-columns: 1fr; }
    .ko-dims-wrap { flex-direction: column; }
    .ko-dim-x { padding-bottom: 0; }
}