/* === InvoiceForge === */
:root{--bg:#f1f5f9;--card:#fff;--text:#1a2744;--text2:#475569;--text3:#94a3b8;--border:#e2e8f0;--accent:#0c6ebd;--accent-light:rgba(12,110,189,.08);--radius:10px}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Inter',system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased}
::selection{background:var(--accent);color:#fff}

/* Nav */
nav{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.95);backdrop-filter:blur(20px);border-bottom:1px solid var(--border);padding:0 24px;height:60px;display:flex;align-items:center;justify-content:space-between}
.nav-logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--text);font-size:18px}
.nav-logo svg{color:var(--accent)}
.nav-logo strong{color:var(--accent)}
.nav-actions{display:flex;gap:8px}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:6px;padding:9px 18px;border-radius:8px;font-size:13px;font-weight:600;cursor:pointer;border:none;transition:all .2s}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 2px 12px rgba(12,110,189,.25)}
.btn-primary:hover{box-shadow:0 4px 20px rgba(12,110,189,.35);transform:translateY(-1px)}
.btn-ghost{background:transparent;color:var(--text2);border:1px solid var(--border)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent)}
.btn-add{background:var(--accent-light);color:var(--accent);border:1px dashed rgba(12,110,189,.3);width:100%;padding:12px;border-radius:8px;font-size:13px;font-weight:600;cursor:pointer;transition:all .2s}
.btn-add:hover{background:rgba(12,110,189,.15);border-color:var(--accent)}

/* Layout */
main{max-width:1400px;margin:0 auto;padding:24px}
.app-layout{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:start}

/* Editor */
.editor{display:flex;flex-direction:column;gap:16px}
.editor-section{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:24px}
.editor-section h3{font-family:'Syne',sans-serif;font-size:16px;font-weight:600;margin-bottom:16px;color:var(--text)}

input[type="text"],input[type="email"],input[type="tel"],input[type="url"],input[type="number"],input[type="date"],textarea,select{width:100%;padding:10px 14px;border:1px solid var(--border);border-radius:8px;font-size:14px;font-family:inherit;color:var(--text);background:var(--card);transition:border-color .2s;outline:none;resize:vertical}
input:focus,textarea:focus,select:focus{border-color:var(--accent)}
.input-lg{font-size:16px;font-weight:600;padding:12px 14px}
.editor-section>input,.editor-section>textarea,.editor-section>.field-row,.editor-section>.field-group{margin-top:10px}
.editor-section>input:first-of-type{margin-top:0}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.field-group{display:flex;flex-direction:column;gap:4px}
.field-group label{font-size:12px;font-weight:600;color:var(--text3);text-transform:uppercase;letter-spacing:.5px}

/* Logo upload */
.logo-upload{position:relative;margin-bottom:14px}
.logo-placeholder{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;padding:24px;border:2px dashed var(--border);border-radius:10px;cursor:pointer;color:var(--text3);font-size:13px;transition:all .2s}
.logo-placeholder:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-light)}
#logo-preview{max-width:180px;max-height:80px;object-fit:contain;border-radius:6px;cursor:pointer}
.logo-remove{position:absolute;top:4px;right:4px;width:24px;height:24px;border-radius:50%;background:#ef4444;color:#fff;border:none;font-size:16px;cursor:pointer;display:flex;align-items:center;justify-content:center;line-height:1}

/* Line items */
.items-header{display:grid;grid-template-columns:1fr 70px 100px 100px 36px;gap:8px;padding:0 0 8px;font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.5px;color:var(--text3);border-bottom:1px solid var(--border);margin-bottom:8px}
.line-item{display:grid;grid-template-columns:1fr 70px 100px 100px 36px;gap:8px;align-items:center;padding:8px 0;border-bottom:1px solid var(--border)}
.line-item input{margin:0;padding:8px 10px;font-size:13px}
.line-item .item-amount{font-size:14px;font-weight:600;text-align:right;color:var(--text);padding-right:4px}
.item-remove{width:32px;height:32px;border:none;background:transparent;color:var(--text3);cursor:pointer;border-radius:6px;font-size:18px;display:flex;align-items:center;justify-content:center;transition:all .2s}
.item-remove:hover{background:#fef2f2;color:#ef4444}

/* Color */
.color-row{display:flex;align-items:center;gap:12px;margin-top:4px}
.color-input{width:40px;height:36px;border:1px solid var(--border);border-radius:6px;cursor:pointer;padding:2px}
.color-presets{display:flex;gap:6px}
.color-dot{width:28px;height:28px;border-radius:50%;border:2px solid transparent;cursor:pointer;transition:all .2s}
.color-dot:hover{transform:scale(1.15)}

/* Preview */
.preview-wrapper{position:relative}
.preview-sticky{position:sticky;top:76px}
.preview-label{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:1.5px;color:var(--text3);margin-bottom:8px}
.invoice-preview{background:var(--card);border:1px solid var(--border);border-radius:12px;overflow:hidden;box-shadow:0 4px 24px rgba(0,0,0,.06)}

/* === INVOICE TEMPLATE === */
.inv{padding:48px;font-size:13px;color:#1a2744;background:#fff;min-height:700px;display:flex;flex-direction:column}
.inv-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:40px;gap:20px}
.inv-header-left{flex:1}
.inv-logo{max-width:160px;max-height:60px;object-fit:contain;margin-bottom:12px;display:block}
.inv-from-name{font-family:'Syne',sans-serif;font-size:20px;font-weight:700;margin-bottom:4px}
.inv-from-details{font-size:12px;color:#64748b;white-space:pre-line;line-height:1.6}
.inv-header-right{text-align:right}
.inv-title{font-family:'Syne',sans-serif;font-size:32px;font-weight:800;letter-spacing:-1px;margin-bottom:12px}
.inv-meta{font-size:13px;color:#64748b;line-height:1.8}
.inv-meta-label{font-weight:600;color:#1a2744}

.inv-billto{margin-bottom:32px;padding:16px 20px;border-radius:8px}
.inv-billto-label{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:2px;margin-bottom:6px}
.inv-to-name{font-weight:700;font-size:15px;margin-bottom:2px}
.inv-to-details{font-size:12px;color:#64748b;white-space:pre-line;line-height:1.6}

.inv-table{width:100%;border-collapse:collapse;margin-bottom:24px}
.inv-table thead tr{border-bottom:2px solid #e2e8f0}
.inv-table th{padding:10px 12px;text-align:left;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.5px;color:#64748b}
.inv-table th.it-qty,.inv-table th.it-rate,.inv-table th.it-amount{text-align:right}
.inv-table td{padding:12px;border-bottom:1px solid #f1f5f9;font-size:13px}
.inv-table td.it-qty,.inv-table td.it-rate,.inv-table td.it-amount{text-align:right;font-variant-numeric:tabular-nums}
.inv-table td.it-amount{font-weight:600}
.inv-table td.it-desc-text{color:#1a2744}

.inv-totals{margin-left:auto;width:280px}
.inv-totals-row{display:flex;justify-content:space-between;padding:8px 0;font-size:13px;color:#64748b;border-bottom:1px solid #f1f5f9}
.inv-totals-row span:last-child{font-weight:600;color:#1a2744;font-variant-numeric:tabular-nums}
.inv-totals-row.inv-total{border-top:2px solid;border-bottom:none;padding:12px 0;font-size:18px;font-weight:700;color:#1a2744;margin-top:4px}
.inv-totals-row.inv-total span:last-child{font-family:'Syne',sans-serif;font-size:22px}

.inv-notes{margin-top:auto;padding-top:24px;border-top:1px solid #e2e8f0}
.inv-notes-label{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:2px;color:#64748b;margin-bottom:6px}
.inv-notes-text{font-size:12px;color:#64748b;white-space:pre-line;line-height:1.6}

.inv-footer{margin-top:24px;text-align:center;font-size:10px;color:#cbd5e1;padding-top:16px;border-top:1px solid #f1f5f9}
.inv-footer a{color:#94a3b8;text-decoration:none}

/* Footer */
footer{margin-top:60px;padding:24px;border-top:1px solid var(--border);text-align:center}
.footer-inner{display:flex;justify-content:space-between;align-items:center;max-width:1400px;margin:0 auto;flex-wrap:wrap;gap:12px}
.footer-brand{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--text2)}
.footer-brand strong{color:var(--accent)}
.footer-brand svg{color:var(--accent)}
.footer-links{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text3)}
.footer-links a{color:var(--accent);text-decoration:none;font-weight:500}
.footer-links a:hover{text-decoration:underline}
.footer-sep{color:var(--border)}

/* Print */
@media print{
  nav,footer,.editor,.preview-label,.nav-actions{display:none!important}
  main{padding:0!important}
  .app-layout{display:block!important}
  .preview-wrapper{position:static!important}
  .preview-sticky{position:static!important}
  .invoice-preview{border:none!important;box-shadow:none!important;border-radius:0!important}
  .inv{padding:32px!important}
  .inv-footer a{color:#666!important}
}

/* Responsive */
@media(max-width:1024px){
  .app-layout{grid-template-columns:1fr}
  .preview-sticky{position:static}
  main{padding:16px}
}
@media(max-width:600px){
  nav{padding:0 12px}
  .nav-actions .btn span{display:none}
  .btn{padding:9px 12px}
  .items-header{display:none}
  .line-item{grid-template-columns:1fr;gap:6px;padding:12px 0}
  .line-item .item-amount{text-align:left}
  .inv{padding:24px}
  .inv-header{flex-direction:column}
  .inv-header-right{text-align:left}
  .inv-title{font-size:24px}
  .inv-totals{width:100%}
  .field-row{grid-template-columns:1fr}
  .footer-inner{flex-direction:column;text-align:center}
}