/* ============================================================================
   QUILL STUDIO — Configurator
   ========================================================================== */
.cfg { padding-top: clamp(7rem, 12vh, 10rem); padding-bottom: clamp(4rem,7vw,7rem); }
.cfg-head { max-width: 60ch; }
.cfg-head h1 { font-size: var(--step-4); margin: 1rem 0; }

/* Stepper */
.stepper { display: flex; gap: 0.6rem; margin: 2rem 0 2.5rem; flex-wrap: wrap; }
.stepper .st { display: flex; align-items: center; gap: 0.7rem; padding: 0.7em 1.2em; border: 1px solid var(--line); border-radius: 100px; color: var(--paper-faint); transition: all 0.4s var(--ease); font-size: var(--step--1); }
.stepper .st .n { font-family: var(--font-mono); font-size: 0.7rem; width: 1.6em; height: 1.6em; display: grid; place-items: center; border: 1px solid currentColor; border-radius: 50%; }
.stepper .st.active { color: var(--ink-900); background: var(--brass); border-color: var(--brass); }
.stepper .st.done { color: var(--brass); border-color: var(--brass); }

/* Layout: form + sticky summary */
.cfg-grid { display: grid; grid-template-columns: 1.55fr 1fr; gap: clamp(1.5rem,3vw,3rem); align-items: start; }
@media (max-width: 980px){ .cfg-grid { grid-template-columns: 1fr; } }

.cfg-panel { min-height: 50vh; }
.cfg-step { display: none; animation: stepIn 0.6s var(--ease); }
.cfg-step.active { display: block; }
@keyframes stepIn { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: none; } }
.cfg-q { font-family: var(--font-display); font-size: var(--step-2); margin-bottom: 1.4rem; }
.cfg-block { margin-bottom: 2.4rem; }

/* Type cards */
.type-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0.9rem; }
@media (max-width: 520px){ .type-grid { grid-template-columns: 1fr; } }
.type-card { position: relative; text-align: left; padding: 1.3rem; border: 1px solid var(--line); border-radius: var(--radius); background: var(--ink-800); transition: all 0.35s var(--ease); display: flex; gap: 1rem; align-items: flex-start; }
.type-card:hover { border-color: var(--line-strong); transform: translateY(-3px); }
.type-card.sel { border-color: var(--brass); background: rgba(201,163,90,0.06); }
.type-card .ti { width: 40px; height: 40px; flex: none; color: var(--brass); }
.type-card .tn { display: block; font-family: var(--font-display); font-size: var(--step-1); }
.type-card .ts { display: block; font-size: var(--step--1); color: var(--paper-dim); margin-top: 0.15rem; }
.type-card .tk { position: absolute; top: 1rem; right: 1rem; width: 18px; height: 18px; border: 1px solid var(--line-strong); border-radius: 50%; transition: all 0.3s; }
.type-card.sel .tk { background: var(--brass); border-color: var(--brass); }
.type-card.sel .tk::after { content: "✓"; color: var(--ink-900); font-size: 11px; display: grid; place-items: center; height: 100%; }

/* Slider */
.area-row { display: flex; align-items: center; gap: 1.2rem; flex-wrap: wrap; }
.area-val { font-family: var(--font-display); font-size: var(--step-3); color: var(--paper); white-space: nowrap; }
.area-val small { font-size: var(--step--1); color: var(--paper-dim); font-family: var(--font-sans); }
input[type="range"].slider { -webkit-appearance: none; appearance: none; width: 100%; height: 3px; background: var(--line-strong); border-radius: 3px; outline: none; }
input[type="range"].slider::-webkit-slider-thumb { -webkit-appearance: none; width: 22px; height: 22px; border-radius: 50%; background: var(--brass); cursor: pointer; box-shadow: 0 0 0 6px rgba(201,163,90,0.15); transition: box-shadow 0.3s; }
input[type="range"].slider::-webkit-slider-thumb:hover { box-shadow: 0 0 0 10px rgba(201,163,90,0.2); }
input[type="range"].slider::-moz-range-thumb { width: 22px; height: 22px; border: none; border-radius: 50%; background: var(--brass); cursor: pointer; }
.area-minmax { display: flex; justify-content: space-between; font-family: var(--font-mono); font-size: 0.7rem; color: var(--paper-faint); margin-top: 0.6rem; }

/* Sketch */
.sketch-wrap { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: var(--ink-900); margin-top: 1.2rem; }
.sketch-bar { display: flex; align-items: center; gap: 0.6rem; padding: 0.7rem 1rem; border-bottom: 1px solid var(--line); flex-wrap: wrap; }
.sketch-bar .sk-hint { font-family: var(--font-mono); font-size: 0.66rem; letter-spacing: 0.05em; color: var(--paper-faint); }
.sketch-bar .sk-tools { margin-left: auto; display: flex; gap: 0.5rem; }
.sk-btn { padding: 0.45em 0.9em; border: 1px solid var(--line-strong); border-radius: 100px; font-size: 0.72rem; color: var(--paper-dim); transition: all 0.3s; }
.sk-btn:hover { border-color: var(--brass); color: var(--brass); }
#sketch-canvas { display: block; width: 100%; height: auto; cursor: crosshair; touch-action: none; }
.sketch-foot { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 0.9rem 1rem; border-top: 1px solid var(--line); flex-wrap: wrap; }
.sketch-foot .sk-total { font-family: var(--font-display); font-size: var(--step-1); }
.sketch-foot .sk-total b { color: var(--brass); }

/* Level options */
.opts { display: grid; gap: 0.8rem; }
.opt { display: flex; align-items: flex-start; gap: 1rem; padding: 1.2rem; border: 1px solid var(--line); border-radius: var(--radius); background: var(--ink-800); cursor: pointer; transition: all 0.3s var(--ease); }
.opt:hover { border-color: var(--line-strong); }
.opt.sel { border-color: var(--brass); background: rgba(201,163,90,0.06); }
.opt .radio { width: 20px; height: 20px; border: 1px solid var(--line-strong); border-radius: 50%; flex: none; margin-top: 2px; transition: all 0.3s; position: relative; }
.opt.sel .radio { border-color: var(--brass); }
.opt.sel .radio::after { content: ""; position: absolute; inset: 4px; border-radius: 50%; background: var(--brass); }
.opt .ot { display: block; font-family: var(--font-display); font-size: var(--step-1); }
.opt .od { display: block; font-size: var(--step--1); color: var(--paper-dim); margin-top: 0.2rem; }

/* Ready toggle */
.ready-toggle { display: flex; align-items: center; gap: 1rem; padding: 1.2rem 1.4rem; border: 1px solid var(--line); border-radius: var(--radius); background: linear-gradient(120deg, rgba(201,163,90,0.07), transparent); margin-top: 1.4rem; }
.ready-toggle .rt-txt { flex: 1; }
.ready-toggle .rt-t { font-family: var(--font-display); font-size: var(--step-1); }
.ready-toggle .rt-h { font-size: var(--step--1); color: var(--paper-dim); margin-top: 0.2rem; }
.switch { width: 52px; height: 28px; border-radius: 100px; background: var(--ink-700); border: 1px solid var(--line-strong); position: relative; flex: none; cursor: pointer; transition: background 0.3s; }
.switch::after { content: ""; position: absolute; top: 2px; left: 2px; width: 22px; height: 22px; border-radius: 50%; background: var(--paper-dim); transition: transform 0.3s var(--ease), background 0.3s; }
.switch.on { background: var(--brass); }
.switch.on::after { transform: translateX(24px); background: var(--ink-900); }

/* Add-ons */
.addons { display: grid; gap: 0.7rem; }
.addon { display: flex; align-items: center; gap: 1rem; padding: 1rem 1.2rem; border: 1px solid var(--line); border-radius: var(--radius); cursor: pointer; transition: all 0.3s; }
.addon:hover { border-color: var(--line-strong); }
.addon.sel { border-color: var(--brass); }
.addon .chk { width: 22px; height: 22px; border: 1px solid var(--line-strong); border-radius: 6px; flex: none; transition: all 0.3s; }
.addon.sel .chk { background: var(--brass); border-color: var(--brass); }
.addon.sel .chk::after { content: "✓"; color: var(--ink-900); display: grid; place-items: center; height: 100%; font-size: 13px; }
.addon .an { display: block; font-size: var(--step-0); }
.addon .ad { display: block; font-size: var(--step--1); color: var(--paper-faint); margin-top: 0.1rem; }
.addon > span:nth-child(2) { flex: 1; }
.addon .ap { margin-left: auto; font-family: var(--font-mono); font-size: 0.72rem; color: var(--brass); white-space: nowrap; }

/* Nav buttons */
.cfg-nav { display: flex; justify-content: space-between; gap: 1rem; margin-top: 2.5rem; }

/* Summary card */
.summary { position: sticky; top: 6rem; border: 1px solid var(--line-strong); border-radius: var(--radius-lg); background: linear-gradient(180deg, var(--ink-750), var(--ink-850)); overflow: hidden; }
.summary-head { padding: 1.4rem 1.6rem; border-bottom: 1px solid var(--line); }
.summary-head .sh-k { font-family: var(--font-mono); font-size: 0.66rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--paper-faint); }
.summary-head .sh-type { font-family: var(--font-display); font-size: var(--step-1); margin-top: 0.3rem; }
.summary-body { padding: 1.6rem; }
.price-big { font-family: var(--font-display); font-size: clamp(2.2rem,5vw,3rem); line-height: 1; color: var(--paper); }
.price-big .cur { color: var(--brass); }
.price-sub { font-size: var(--step--1); color: var(--paper-faint); margin-top: 0.4rem; }
.sum-line { display: flex; justify-content: space-between; gap: 1rem; padding: 0.7rem 0; border-bottom: 1px solid var(--line); font-size: var(--step-0); }
.sum-line .v { color: var(--paper); font-family: var(--font-mono); font-size: 0.82rem; }
.sum-line .k { color: var(--paper-dim); }
.sum-save { display: flex; justify-content: space-between; align-items: center; margin-top: 1rem; padding: 0.8rem 1rem; border-radius: 10px; background: rgba(201,163,90,0.1); color: var(--brass); font-size: var(--step--1); }
.permit-badge { display: flex; gap: 0.7rem; align-items: flex-start; padding: 1rem; border-radius: 10px; margin-top: 1.2rem; font-size: var(--step--1); border: 1px solid var(--line); }
.permit-badge .pb-dot { width: 9px; height: 9px; border-radius: 50%; flex: none; margin-top: 5px; }
.permit-badge.ok { border-color: rgba(125,190,138,0.4); } .permit-badge.ok .pb-dot { background: #7DBE8A; }
.permit-badge.warn { border-color: rgba(201,163,90,0.4); } .permit-badge.warn .pb-dot { background: var(--brass); }
.permit-badge.info { border-color: rgba(110,146,201,0.4); } .permit-badge.info .pb-dot { background: var(--blueprint); }
.permit-badge .pb-l { font-weight: 500; color: var(--paper); display: block; margin-bottom: 0.2rem; }
.permit-badge .pb-t { color: var(--paper-dim); }
.breakdown { margin-top: 1.2rem; }
.breakdown .bd-row { display: flex; justify-content: space-between; gap: 1rem; padding: 0.55rem 0; font-size: var(--step--1); border-bottom: 1px dotted var(--line); }
.breakdown .bd-row.off { opacity: 0.4; }
.breakdown .bd-row .bv { font-family: var(--font-mono); font-size: 0.76rem; color: var(--paper-dim); }
.summary-foot { padding: 1.4rem 1.6rem; border-top: 1px solid var(--line); }
.vat-note { font-size: 0.72rem; color: var(--paper-faint); margin-top: 0.8rem; line-height: 1.5; }

/* Success state */
.cfg-success { text-align: center; padding: clamp(2rem,5vw,4rem); border: 1px solid var(--brass); border-radius: var(--radius-lg); background: rgba(201,163,90,0.05); }
.cfg-success .ok-ic { width: 64px; height: 64px; margin: 0 auto 1.4rem; border-radius: 50%; border: 1px solid var(--brass); display: grid; place-items: center; color: var(--brass); font-size: 1.6rem; }
.cfg-success h2 { font-size: var(--step-3); }