/* ═══════════════════════════════════════════════════════════════════
   PrintCalc — Public calculator
   Visual style matches the main app (style-v3.css aesthetic).
═══════════════════════════════════════════════════════════════════ */

:root{
  --c-bg:           #f6f7fb;
  --c-panel:        #ffffff;
  --c-panel-alt:    #f8fafc;
  --c-border:       #e8eaf2;
  --c-border-strong:#d7dbe8;
  --c-text:         #0f172a;
  --c-muted:        #64748b;
  --c-placeholder:  #94a3b8;
  --c-accent:       #4f46e5;
  --c-accent-2:     #6366f1;
  --c-cyan:         #06b6d4;
  --c-pink:         #ec4899;
  --c-green:        #16a34a;
  --c-red:          #dc2626;
  --c-grad-brand:   linear-gradient(135deg,#6366f1 0%,#4f46e5 45%,#2563eb 100%);
  --c-grad-cool:    linear-gradient(135deg,#6366f1,#06b6d4);
  --c-shadow-sm:    0 1px 2px rgba(15,23,42,.04), 0 1px 3px rgba(15,23,42,.06);
  --c-shadow-md:    0 4px 12px -4px rgba(15,23,42,.08), 0 2px 6px rgba(15,23,42,.05);
  --c-shadow-lg:    0 24px 48px -20px rgba(15,23,42,.18), 0 8px 18px -10px rgba(15,23,42,.08);
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{
  font-family:'Inter','Segoe UI',system-ui,-apple-system,sans-serif;
  font-size:14px;line-height:1.5;color:var(--c-text);
  background:
    radial-gradient(ellipse at 0% 0%, rgba(99,102,241,.10), transparent 50%),
    radial-gradient(ellipse at 100% 100%, rgba(6,182,212,.08), transparent 50%),
    var(--c-bg);
  -webkit-font-smoothing:antialiased;
  min-height:100vh;
}

a{color:var(--c-accent);text-decoration:none}
a:hover{text-decoration:underline}
button{font-family:inherit;cursor:pointer}
svg{display:block;flex:none}

::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:rgba(15,23,42,.12);border-radius:10px;border:2px solid transparent;background-clip:padding-box}
::-webkit-scrollbar-thumb:hover{background:rgba(15,23,42,.22);background-clip:padding-box}

/* ═══ HEADER ═══ */
.calc-header{
  background: rgba(255,255,255,.85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--c-border);
  position: sticky; top: 0; z-index: 50;
  box-shadow: 0 1px 3px rgba(15,23,42,.04);
}
.calc-header-inner{
  max-width: 1100px; margin: 0 auto;
  padding: 16px 24px;
  display: flex; align-items: center; justify-content: space-between;
}
.calc-logo{
  display: flex; align-items: center; gap: 12px;
  font-size: 18px; font-weight: 800; letter-spacing: -.3px;
  color: var(--c-text);
}
.calc-logo img{
  width: 36px; height: 36px; border-radius: 10px;
  box-shadow: 0 6px 16px -6px rgba(99,102,241,.5);
}
.calc-logo span{
  background: var(--c-grad-cool);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}

.calc-header-contacts{
  display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
  font-size: 13px; color: var(--c-muted);
}
.calc-header-contacts .cc-item{
  display: inline-flex; align-items: center; gap: 6px;
  color: var(--c-text);
  text-decoration: none;
  padding: 4px 8px;
  border-radius: 8px;
  transition: background .15s;
}
.calc-header-contacts .cc-item:hover{
  background: rgba(99,102,241,.08);
  text-decoration: none;
}
.calc-header-contacts .cc-static{cursor: default}
.calc-header-contacts .cc-static:hover{background: transparent}
.calc-header-contacts .cc-item svg{color: var(--c-accent); flex: none}

@media (max-width: 760px){
  .calc-header-inner{flex-direction: column; align-items: flex-start; gap: 10px}
  .calc-header-contacts{font-size: 12px; gap: 8px}
}

/* ═══ LOADING ═══ */
.calc-loading{
  max-width: 480px; margin: 80px auto;
  padding: 40px;
  text-align: center;
  background: var(--c-panel);
  border: 1px solid var(--c-border);
  border-radius: 18px;
  box-shadow: var(--c-shadow-md);
}
.calc-loading::before{
  content:'';
  display:block;margin:0 auto 18px;
  width: 48px; height: 48px;
  border: 3px solid rgba(99,102,241,.18);
  border-top-color: var(--c-accent-2);
  border-radius: 50%;
  animation: c-spin 1s linear infinite;
}
@keyframes c-spin{to{transform:rotate(360deg)}}
.calc-loading p{color:var(--c-muted)}

/* ═══ ERROR ═══ */
.calc-error{
  max-width: 480px; margin: 80px auto;
  padding: 40px;
  text-align: center;
  background: var(--c-panel);
  border: 1px solid var(--c-border);
  border-radius: 18px;
  box-shadow: var(--c-shadow-md);
}
.calc-error h2{
  font-size: 22px; font-weight: 800; letter-spacing: -.5px;
  margin-bottom: 8px;
}
.calc-error p{color: var(--c-muted)}

/* ═══ MAIN ═══ */
.calc-main{
  max-width: 1100px; margin: 32px auto 64px;
  padding: 0 24px;
  display: flex; flex-direction: column; gap: 20px;
}

/* ═══ SECTION (each step) ═══ */
.calc-section{
  background: var(--c-panel);
  border: 1px solid var(--c-border);
  border-radius: 18px;
  box-shadow: var(--c-shadow-sm);
  padding: 28px 28px 24px;
  position: relative;
  overflow: hidden;
}
.calc-section::before{
  content:''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: var(--c-grad-cool);
  opacity: .9;
}
.calc-section-title{
  display: flex; align-items: center; gap: 14px;
  font-size: 18px; font-weight: 700; letter-spacing: -.3px;
  margin-bottom: 20px;
  color: var(--c-text);
}
.calc-step{
  display: inline-grid; place-items: center;
  width: 32px; height: 32px;
  border-radius: 10px;
  background: var(--c-grad-brand);
  color: #fff; font-weight: 800; font-size: 14px;
  box-shadow: 0 6px 16px -6px rgba(79,70,229,.55);
}

/* ═══ STEP 1: CONTACT ═══ */
.calc-contact-grid{
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px 16px;
}
.calc-field{display:flex;flex-direction:column;gap:6px}
.calc-field label{
  font-size: 12px; font-weight: 600; color: var(--c-muted);
  text-transform: uppercase; letter-spacing: .5px;
}
.calc-field input,
.calc-prop-row select,
.calc-doc-select-row select{
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--c-border);
  border-radius: 10px;
  background: #fff;
  color: var(--c-text);
  font-family: inherit; font-size: 14px;
  transition: border-color .15s, box-shadow .2s, background .15s;
}
.calc-field input::placeholder{color: var(--c-placeholder)}
.calc-field input:hover:not(:focus),
.calc-prop-row select:hover:not(:focus){border-color: var(--c-border-strong)}
.calc-field input:focus,
.calc-prop-row select:focus,
.calc-doc-select-row select:focus{
  outline: none;
  border-color: var(--c-accent-2);
  box-shadow: 0 0 0 4px rgba(99,102,241,.12);
}

/* ═══ STEP 2: UPLOAD ═══ */
.calc-upload-zone{
  border: 2px dashed var(--c-border-strong);
  border-radius: 14px;
  padding: 40px 24px;
  text-align: center;
  background: rgba(99,102,241,.02);
  transition: border-color .2s, background .2s, transform .2s;
  cursor: default;
}
.calc-upload-zone.dragover,
.calc-upload-zone:hover{
  border-color: var(--c-accent-2);
  background: rgba(99,102,241,.06);
}
.calc-upload-zone.dragover{transform: scale(1.01)}
.calc-upload-icon{
  display:grid;place-items:center;
  width: 64px; height: 64px;
  margin: 0 auto 14px;
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(99,102,241,.15), rgba(6,182,212,.15));
  color: var(--c-accent);
}
.calc-upload-icon svg{stroke: var(--c-accent) !important; width:28px;height:28px}
.calc-upload-text{
  font-size: 15px; font-weight: 600; color: var(--c-text); margin-bottom: 6px;
}
.calc-upload-btn{
  background: none; border: none; padding: 0;
  color: var(--c-accent); font-weight: 700; font-size: 15px;
  text-decoration: underline; text-underline-offset: 3px;
  cursor: pointer;
}
.calc-upload-btn:hover{color: var(--c-accent-2)}
.calc-upload-hint{font-size: 12.5px; color: var(--c-muted); margin-top: 4px}

.calc-upload-status{
  display: flex; align-items: center; gap: 10px;
  margin-top: 14px; padding: 12px 16px;
  background: linear-gradient(135deg, rgba(99,102,241,.08), rgba(6,182,212,.06));
  border: 1px solid rgba(99,102,241,.2);
  border-radius: 12px;
  color: var(--c-accent); font-weight: 600; font-size: 13.5px;
}
.calc-upload-status::before{
  content:''; width: 16px; height: 16px; border-radius: 50%;
  border: 2px solid rgba(99,102,241,.25);
  border-top-color: var(--c-accent-2);
  animation: c-spin 1s linear infinite;
}

/* ═══ TABLES ═══ */
.calc-docs-list{margin-top: 16px}
.calc-table{
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: 12px;
  overflow: hidden;
  font-size: 13.5px;
}
.calc-table thead th{
  background: var(--c-panel-alt);
  color: var(--c-muted);
  font-size: 10.5px; font-weight: 700;
  text-transform: uppercase; letter-spacing: .8px;
  padding: 10px 14px;
  text-align: left;
  border-bottom: 1px solid var(--c-border);
}
.calc-table tbody td{
  padding: 10px 14px;
  border-bottom: 1px solid #f1f5f9;
}
.calc-table tbody tr:last-child td{border-bottom: none}
.calc-table tbody tr:hover{background: rgba(99,102,241,.04)}

.calc-ink-cell{
  display: flex; align-items: center; gap: 8px;
  min-width: 90px;
}
.calc-ink-pct{
  font-variant-numeric: tabular-nums;
  font-size: 12.5px;
  color: var(--c-text);
  min-width: 34px;
}
.calc-ink-bar{
  flex: 1;
  height: 6px;
  background: #f1f5f9;
  border-radius: 3px;
  overflow: hidden;
  min-width: 50px;
}
.calc-ink-bar-fill{
  height: 100%;
  border-radius: 3px;
  transition: width .25s;
}

.calc-remove-doc{
  background: transparent; border: none;
  width: 28px; height: 28px; border-radius: 8px;
  color: var(--c-muted);
  display: inline-grid; place-items: center;
  transition: all .15s;
}
.calc-remove-doc:hover{
  background: rgba(220,38,38,.1); color: var(--c-red);
}

/* ═══ STEP 3: PAGE DETAILS ═══ */
.calc-doc-select-row{
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 16px;
}
.calc-doc-select-row label{
  font-size: 12.5px; font-weight: 600; color: var(--c-muted);
  letter-spacing: .3px;
}
.calc-doc-select-row select{
  flex: 1; max-width: 360px;
}

.calc-detail-wrap{
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 16px;
}
.calc-pages-table-wrap{
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: 12px;
  overflow: hidden;
  max-height: 500px; overflow-y: auto;
}

.calc-props-panel{
  background: var(--c-panel-alt);
  border: 1px solid var(--c-border);
  border-radius: 12px;
  padding: 18px;
  display: flex; flex-direction: column; gap: 14px;
  height: fit-content;
}
.calc-props-panel h4{
  font-size: 11px; font-weight: 700; color: var(--c-muted);
  text-transform: uppercase; letter-spacing: 1px;
  margin-bottom: 4px;
}
.calc-prop-row{display:flex;flex-direction:column;gap:6px}
.calc-prop-row > label{
  font-size: 12px; font-weight: 600; color: var(--c-muted);
  text-transform: uppercase; letter-spacing: .3px;
}
.calc-radio-group{display:flex;gap:6px}
.calc-radio-group label{
  flex: 1;
  display: flex; align-items: center; justify-content: center; gap: 6px;
  padding: 8px 10px;
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: 9px;
  cursor: pointer;
  font-size: 12.5px; font-weight: 500;
  transition: all .15s;
}
.calc-radio-group label:hover{border-color: var(--c-border-strong)}
.calc-radio-group input[type="radio"]{accent-color: var(--c-accent-2); margin: 0}
.calc-radio-group label:has(input:checked){
  background: linear-gradient(135deg, rgba(99,102,241,.1), rgba(99,102,241,.04));
  border-color: var(--c-accent-2);
  color: var(--c-accent);
}

.calc-apply-btn{
  margin-top: 6px;
  padding: 10px 16px;
  background: var(--c-grad-brand);
  color: #fff;
  border: none;
  border-radius: 10px;
  font-weight: 600; font-size: 14px;
  box-shadow: 0 8px 20px -8px rgba(79,70,229,.5);
  transition: transform .2s, box-shadow .25s;
  position: relative; overflow: hidden;
}
.calc-apply-btn::before{
  content:'';position:absolute;inset:0;
  background:linear-gradient(120deg,transparent 30%,rgba(255,255,255,.25) 50%,transparent 70%);
  transform:translateX(-100%); transition: transform .7s;
}
.calc-apply-btn:hover{
  transform: translateY(-2px);
  box-shadow: 0 14px 28px -10px rgba(79,70,229,.6);
}
.calc-apply-btn:hover::before{transform:translateX(100%)}

/* ═══ SUMMARY ═══ */
.calc-summary-section{
  background: linear-gradient(135deg,rgba(99,102,241,.06), rgba(6,182,212,.04));
  border: 1px solid rgba(99,102,241,.18);
}
.calc-summary-section::before{display:none}
.calc-summary-box{
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: 14px;
  padding: 18px 22px;
  margin-bottom: 18px;
}
.calc-summary-row{
  display: flex; justify-content: space-between; align-items: center;
  padding: 8px 0;
  font-size: 14.5px;
}
.calc-summary-row + .calc-summary-row{
  border-top: 1px solid #f1f5f9;
}
.calc-summary-row span{color: var(--c-muted)}
.calc-summary-row strong{color: var(--c-text); font-weight: 700}
.calc-summary-total{padding-top: 14px !important; margin-top: 6px}
.calc-summary-total span{
  font-size: 13px; text-transform: uppercase; letter-spacing: 1px;
  font-weight: 700; color: var(--c-text);
}
.calc-summary-total strong{
  font-size: 26px; font-weight: 800; letter-spacing: -.5px;
  background: var(--c-grad-cool);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}

.calc-actions{
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.calc-action-btn{
  flex: 1 1 200px;
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 14px 22px;
  border: none;
  border-radius: 12px;
  font-weight: 700; font-size: 15px;
  cursor: pointer;
  transition: transform .2s, box-shadow .25s;
  position: relative; overflow: hidden;
}
.calc-action-btn::before{
  content:'';position:absolute;inset:0;
  background:linear-gradient(120deg,transparent 30%,rgba(255,255,255,.2) 50%,transparent 70%);
  transform:translateX(-100%); transition: transform .7s;
}
.calc-action-btn:hover{transform: translateY(-2px)}
.calc-action-btn:hover::before{transform:translateX(100%)}
.calc-btn-pay{
  background: var(--c-grad-brand);
  color: #fff;
  box-shadow: 0 12px 28px -10px rgba(79,70,229,.55);
}
.calc-btn-pay:hover{box-shadow: 0 18px 36px -10px rgba(79,70,229,.7)}
.calc-btn-contact{
  background: #fff;
  color: var(--c-text);
  border: 1px solid var(--c-border);
  box-shadow: var(--c-shadow-sm);
}
.calc-btn-contact:hover{
  border-color: var(--c-border-strong);
  box-shadow: var(--c-shadow-md);
}

/* ═══ SERVICES (Step 4) ═══ */
.calc-services-hint{
  font-size: 13px;
  color: var(--c-muted);
  margin-bottom: 14px;
}
.calc-services-list{
  display: flex; flex-direction: column; gap: 8px;
  margin-bottom: 14px;
}
.calc-services-empty{
  padding: 16px;
  text-align: center;
  color: var(--c-muted);
  font-size: 13px;
  background: var(--c-panel-alt);
  border: 1px dashed var(--c-border-strong);
  border-radius: 10px;
}
.calc-service-row{
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px;
  padding: 12px 14px;
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: 10px;
}
.calc-service-name{
  font-size: 14px; font-weight: 600; color: var(--c-text);
  flex: 1;
}
.calc-service-controls{
  display: flex; align-items: center; gap: 8px;
  font-size: 13px;
  color: var(--c-muted);
}
.calc-service-controls input[type="number"]{
  width: 64px;
  padding: 6px 8px;
  border: 1px solid var(--c-border);
  border-radius: 6px;
  font-size: 13px;
  text-align: center;
}
.calc-service-unit{font-size: 12px; color: var(--c-muted)}
.calc-service-x, .calc-service-eq{color: var(--c-muted); margin: 0 2px}
.calc-service-price{color: var(--c-muted)}
.calc-service-total{color: var(--c-text); font-weight: 700; min-width: 80px; text-align: right}

.calc-services-add{
  display: flex; gap: 8px; flex-wrap: wrap;
  padding-top: 6px;
  border-top: 1px solid var(--c-border);
}
.calc-services-add select{
  flex: 1; min-width: 220px;
  padding: 10px 12px;
  border: 1px solid var(--c-border);
  border-radius: 10px;
  background: #fff;
  font-family: inherit; font-size: 13.5px;
}
.calc-services-add input[type="number"]{
  padding: 10px 12px;
  border: 1px solid var(--c-border);
  border-radius: 10px;
  font-family: inherit; font-size: 13.5px;
  text-align: center;
}
.calc-services-add .calc-service-qty-wrap input[type="number"]{
  width: 80px;
}
.calc-brochure-fields{
  display: flex; gap: 8px; flex: 2;
  min-width: 0;
}
.calc-brochure-fields select{
  flex: 1;
  padding: 10px 12px;
  border: 1px solid var(--c-border);
  border-radius: 10px;
  background: #fff;
  font-family: inherit; font-size: 13.5px;
  min-width: 110px;
}
.calc-add-service-btn{
  padding: 10px 18px;
  background: var(--c-grad-brand);
  color: #fff;
  border: none;
  border-radius: 10px;
  font-weight: 600; font-size: 13.5px;
  box-shadow: 0 6px 16px -8px rgba(79,70,229,.5);
  transition: transform .2s, box-shadow .25s;
}
.calc-add-service-btn:hover{
  transform: translateY(-1px);
  box-shadow: 0 10px 22px -10px rgba(79,70,229,.6);
}

/* ═══ SUCCESS ═══ */
.calc-success{
  max-width: 520px; margin: 60px auto;
  text-align: center;
  padding: 48px 32px;
  background: var(--c-panel);
  border: 1px solid var(--c-border);
  border-radius: 18px;
  box-shadow: var(--c-shadow-md);
}
.calc-success svg{margin: 0 auto 18px}
.calc-success h2{
  font-size: 22px; font-weight: 800; letter-spacing: -.4px; margin-bottom: 10px;
}
.calc-success p{color: var(--c-muted); font-size: 14.5px}

/* ═══ RESPONSIVE ═══ */
@media (max-width: 900px){
  .calc-contact-grid{grid-template-columns: 1fr}
  .calc-detail-wrap{grid-template-columns: 1fr}
  .calc-section{padding: 22px 18px 18px}
  .calc-main{padding: 0 16px; margin-top: 18px}
  .calc-pages-table-wrap{overflow-x: auto; max-height: 400px}
  .calc-table{min-width: 540px}
  .calc-services-add{flex-direction: column; align-items: stretch}
  .calc-services-add select,
  .calc-services-add input[type="number"],
  .calc-add-service-btn{width: 100%}
  .calc-service-row{flex-direction: column; align-items: stretch; gap: 8px}
  .calc-service-controls{justify-content: space-between; flex-wrap: wrap}
}

@media (max-width: 600px){
  .calc-section{padding: 18px 14px 14px; border-radius: 14px}
  .calc-section-title{font-size: 16px; margin-bottom: 14px}
  .calc-step{width: 28px; height: 28px; font-size: 13px; border-radius: 8px}
  .calc-summary-total strong{font-size: 22px}
  .calc-action-btn{padding: 13px 18px; font-size: 14px}
  .calc-upload-zone{padding: 28px 16px}
  .calc-upload-text{font-size: 14px}
  .calc-upload-icon{width: 56px; height: 56px}
  .calc-table{font-size: 12.5px}
  .calc-table thead th{padding: 8px 10px; font-size: 10px}
  .calc-table tbody td{padding: 8px 10px}
  .calc-doc-select-row{flex-direction: column; align-items: stretch; gap: 6px}
  .calc-doc-select-row select{max-width: 100%}
  .calc-radio-group{flex-wrap: wrap}
  .calc-prop-row .calc-radio-group label{flex: 1 1 calc(50% - 4px)}
  .calc-header-inner{padding: 12px 16px; gap: 8px}
  .calc-header-contacts{font-size: 11px; gap: 6px}
  .calc-header-contacts .cc-item{padding: 3px 6px}
  .calc-logo{font-size: 16px}
  .calc-logo img{width: 32px; height: 32px}
  .calc-logo span{display: block}
  .calc-success{padding: 36px 20px; margin: 30px 14px}
  .calc-success h2{font-size: 18px}
  #calc-watermark{bottom: 8px; right: 8px; font-size: 11px; padding: 5px 10px}
}

/* ─── Free-tier watermark ────────────────────────────────────── */
#calc-watermark{
  position:fixed;bottom:14px;right:18px;z-index:50;
  background:rgba(255,255,255,.95);backdrop-filter:blur(6px);
  border:1px solid #e2e8f0;border-radius:24px;
  padding:7px 14px;
  font-size:12px;font-weight:500;color:#64748b;
  box-shadow:0 6px 20px -8px rgba(15,23,42,.12);
  pointer-events:auto;
}
#calc-watermark a{color:#2563eb;font-weight:600;text-decoration:none;margin-left:3px}
#calc-watermark a:hover{text-decoration:underline}