/* FacturaPro — CSS */
:root{
  --bg:#0f0f13;--bg2:#16161d;--bg3:#1e1e28;
  --accent:#6c63ff;--accent2:#ff6584;--accent3:#43e97b;
  --text:#f0f0f5;--text2:#9999aa;--text3:#666677;
  --border:#2a2a3a;--card:#1a1a24;
  --radius:12px;--radius2:8px;
  font-family:'DM Sans',sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box;}
body{background:var(--bg);color:var(--text);min-height:100vh;-webkit-font-smoothing:antialiased;}
a{color:inherit;text-decoration:none;}

/* ---- TOPBAR ---- */
.topbar{background:var(--card);border-bottom:1px solid var(--border);padding:0 16px;display:flex;align-items:center;justify-content:space-between;height:56px;position:sticky;top:0;z-index:100;}
.topbar-logo{font-family:'Playfair Display',serif;font-size:20px;font-weight:600;}
.topbar-logo span{color:var(--accent);}
.user-badge{display:flex;align-items:center;gap:8px;cursor:pointer;}
.avatar{width:32px;height:32px;border-radius:50%;background:var(--accent);display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:600;}
.plan-badge{font-size:10px;padding:2px 7px;border-radius:20px;font-weight:600;}
.plan-free{background:#2a2a3a;color:var(--text2);}
.plan-pro{background:linear-gradient(135deg,#6c63ff,#ff6584);color:#fff;}
.plan-unlimited{background:linear-gradient(135deg,#43e97b,#38f9d7);color:#000;}

/* ---- MAIN ---- */
.main-content{padding:16px;padding-bottom:90px;max-width:1400px;margin:0 auto;}

/* ---- BOTTOM NAV ---- */
.bottom-nav{background:var(--card);border-top:1px solid var(--border);display:flex;padding:8px 0 max(12px,env(safe-area-inset-bottom));position:fixed;bottom:0;left:0;right:0;z-index:100;}
.nav-item{flex:1;display:flex;flex-direction:column;align-items:center;gap:3px;padding:6px 0;color:var(--text3);transition:.15s;}
.nav-item.active{color:var(--accent);}
.nav-icon{font-size:20px;line-height:1;}
.nav-label{font-size:10px;font-weight:500;}
.fab{position:fixed;bottom:72px;right:20px;width:52px;height:52px;border-radius:50%;background:var(--accent);display:flex;align-items:center;justify-content:center;font-size:26px;color:#fff;box-shadow:0 4px 20px rgba(108,99,255,.4);z-index:200;transition:.2s;font-weight:300;}
.fab:hover{transform:scale(1.05);}

/* ---- FLASH ---- */
.flash{padding:12px 16px;border-radius:var(--radius2);margin-bottom:14px;font-size:13px;font-weight:500;}
.flash-success{background:#1a3a1a;color:#43e97b;border:1px solid #2a5a2a;}
.flash-error{background:#3a1a1a;color:#ff6b6b;border:1px solid #5a2a2a;}

/* ---- FORMS ---- */
label{display:block;font-size:12px;color:var(--text2);margin-bottom:5px;margin-top:12px;}
input[type=text],input[type=email],input[type=password],input[type=number],input[type=date],textarea,select{
  width:100%;background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius2);
  padding:10px 12px;color:var(--text);font-size:14px;outline:none;font-family:inherit;transition:.2s;
}
input:focus,textarea:focus,select:focus{border-color:var(--accent);}
textarea{resize:vertical;}
select option{background:var(--bg2);}
input[type=date]::-webkit-calendar-picker-indicator{filter:invert(1);}
fieldset{border:1px solid var(--border);border-radius:var(--radius);padding:12px 14px;margin-top:14px;}
legend{font-size:12px;color:var(--text2);padding:0 6px;}
.field{margin-top:8px;}
.field:first-child{margin-top:0;}
.field-grid-2{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:12px;}
.fieldset{margin-top:14px;}

/* ---- BUTTONS ---- */
.btn{display:inline-block;padding:11px 20px;border-radius:var(--radius2);border:none;cursor:pointer;font-size:14px;font-weight:500;font-family:inherit;transition:.15s;text-align:center;}
.btn-primary{background:var(--accent);color:#fff;}
.btn-primary:hover{opacity:.9;}
.btn-primary:disabled{opacity:.4;cursor:not-allowed;}
.btn-secondary{background:var(--bg3);color:var(--text);border:1px solid var(--border);}
.btn-secondary:hover{border-color:var(--accent);color:var(--accent);}
.btn-danger{background:#3a1a1a;color:#ff6b6b;border:1px solid #5a2a2a;}
.btn-sm{padding:7px 13px;font-size:13px;}

/* ---- AUTH ---- */
.auth-page{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh;padding:24px;}
.auth-logo{font-family:'Playfair Display',serif;font-size:32px;margin-bottom:4px;}
.auth-logo span{color:var(--accent);}
.auth-sub{color:var(--text2);font-size:13px;margin-bottom:28px;}
.auth-card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:28px;width:100%;max-width:360px;}
.auth-tabs{display:flex;background:var(--bg2);border-radius:var(--radius2);padding:3px;margin-bottom:20px;}
.auth-tab{flex:1;padding:8px;text-align:center;font-size:13px;font-weight:500;border-radius:6px;color:var(--text2);transition:.2s;}
.auth-tab.active{background:var(--accent);color:#fff;}
.auth-card .btn-primary{width:100%;margin-top:18px;}
.auth-switch{text-align:center;margin-top:14px;font-size:12px;color:var(--text3);}
.auth-switch a{color:var(--accent);}

/* ---- DASHBOARD ---- */
.plan-info-bar{background:var(--bg3);border:1px solid var(--border);border-radius:var(--radius);padding:12px 14px;margin-bottom:16px;display:flex;align-items:center;justify-content:space-between;}
.plan-info-name{font-size:12px;color:var(--text2);}
.plan-info-count{font-size:11px;color:var(--text3);margin-top:2px;}
.stats-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:20px;}
.stat-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:16px;}
.stat-label{font-size:11px;color:var(--text2);text-transform:uppercase;letter-spacing:.5px;margin-bottom:6px;}
.stat-value{font-size:22px;font-weight:600;}
.stat-value-sm{font-size:15px !important;}
.stat-sub{font-size:11px;color:var(--text2);margin-top:4px;}

/* ---- SECTION TITLE ---- */
.section-title{font-size:15px;font-weight:600;margin-bottom:12px;display:flex;align-items:center;justify-content:space-between;}
.section-link{font-size:12px;color:var(--accent);}
.page-header{margin-bottom:16px;}
.page-header h2{font-size:18px;font-weight:600;}

/* ---- DOC LIST ---- */
.doc-list{display:flex;flex-direction:column;gap:10px;}
.doc-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:14px;display:flex;align-items:center;justify-content:space-between;transition:.15s;}
.doc-card:hover{border-color:var(--accent);transform:translateY(-1px);}
.doc-num{font-size:13px;font-weight:600;}
.doc-client{font-size:12px;color:var(--text2);margin-top:2px;}
.doc-date{font-size:11px;color:var(--text3);margin-top:2px;}
.doc-right{text-align:right;}
.doc-amount{font-size:14px;font-weight:600;}
.doc-type-tag{font-size:10px;color:var(--text3);margin-top:3px;}
.status-badge{font-size:10px;padding:2px 8px;border-radius:20px;font-weight:600;margin-top:4px;display:inline-block;}
.status-draft{background:#2a2a1a;color:#f9c22e;}
.status-sent{background:#1a2a3a;color:#5ab4f0;}
.status-paid{background:#1a3a1a;color:#43e97b;}
.status-pending{background:#2a1a2a;color:#b47af0;}

/* ---- FILTER TABS ---- */
.filter-tabs{display:flex;background:var(--bg2);border-radius:var(--radius2);padding:3px;margin-bottom:16px;}
.filter-tab{flex:1;padding:8px;text-align:center;font-size:13px;font-weight:500;border-radius:6px;color:var(--text2);transition:.2s;}
.filter-tab.active{background:var(--accent);color:#fff;}

/* ---- DOC TYPE TOGGLE ---- */
.doc-type-toggle{display:flex;background:var(--bg3);border-radius:var(--radius2);padding:3px;margin-bottom:16px;gap:3px;}
.doc-type-btn{flex:1;padding:9px;text-align:center;font-size:13px;font-weight:500;border-radius:6px;cursor:pointer;color:var(--text2);border:none;background:none;font-family:inherit;transition:.2s;}
.doc-type-btn.active{background:var(--accent);color:#fff;}

/* ---- LINE ITEMS ---- */
.line-item{background:var(--bg3);border-radius:var(--radius2);padding:12px;position:relative;margin-bottom:8px;}
.line-item input{font-size:13px;}
.line-qty-price{display:grid;grid-template-columns:1fr 1fr 1fr;gap:8px;margin-top:8px;}
.line-total-display{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius2);padding:10px 12px;font-size:13px;font-weight:600;color:var(--accent);min-height:40px;}
.remove-line{position:absolute;top:8px;right:8px;background:none;border:none;color:var(--text3);cursor:pointer;font-size:16px;padding:2px 5px;border-radius:4px;}
.remove-line:hover{color:var(--accent2);}
.add-line-btn{width:100%;background:var(--bg3);border:1px dashed var(--border);border-radius:var(--radius2);padding:10px;text-align:center;cursor:pointer;color:var(--text2);font-size:13px;font-family:inherit;transition:.2s;margin-top:2px;}
.add-line-btn:hover{border-color:var(--accent);color:var(--accent);}
.form-actions{display:flex;gap:8px;margin-top:20px;}
.form-actions .btn{flex:1;}
.limit-warning{background:#2a1a1a;border:1px solid #5a2a2a;border-radius:var(--radius);padding:14px;margin-bottom:16px;font-size:13px;}
.limit-warning a{color:var(--accent);}

/* ---- SHOW PAGE ---- */
.show-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;flex-wrap:wrap;gap:8px;}
.back-link{font-size:13px;color:var(--accent);}
.show-actions{display:flex;gap:6px;flex-wrap:wrap;}
.status-row{display:flex;gap:8px;margin-bottom:16px;flex-wrap:wrap;}
.status-btn{cursor:pointer;}
.doc-preview-outer{margin-top:4px;}

/* ---- PLANS ---- */
.plans-list{display:flex;flex-direction:column;gap:14px;}
.plan-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:18px;position:relative;}
.plan-card.featured{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent);}
.plan-badge-top{position:absolute;top:-1px;right:16px;background:var(--accent);color:#fff;font-size:9px;font-weight:700;padding:3px 8px;border-radius:0 0 6px 6px;letter-spacing:1px;}
.plan-name{font-size:16px;font-weight:600;margin-bottom:4px;}
.current-badge{font-size:11px;color:var(--accent3);margin-left:8px;}
.plan-price{font-size:26px;font-weight:700;margin:8px 0 2px;}
.plan-period{font-size:12px;color:var(--text2);margin-bottom:8px;}
.plan-features{list-style:none;display:flex;flex-direction:column;gap:5px;margin:12px 0;}
.plan-features li{font-size:13px;color:var(--text2);display:flex;align-items:center;gap:8px;}
.plan-features li::before{content:'✓';color:var(--accent3);font-weight:700;}
.plan-features li.no::before{content:'✗';color:var(--text3);}
.plan-card .btn-primary{width:100%;margin-top:10px;}
.plan-card .btn-secondary{width:100%;margin-top:10px;}
.pay-per-use-info{background:var(--bg3);border:1px dashed var(--border);border-radius:var(--radius);padding:14px;margin-top:14px;font-size:13px;color:var(--text2);}
.pay-per-use-info strong{display:block;color:var(--text);margin-bottom:4px;}

/* ---- SETTINGS ---- */
.settings-section{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);margin-bottom:14px;overflow:hidden;}
.settings-header{padding:13px 16px;font-size:14px;font-weight:600;border-bottom:1px solid var(--border);}
.settings-body{padding:12px 16px;}
.settings-row{display:flex;align-items:center;justify-content:space-between;padding:8px 0;font-size:14px;}
.settings-row span{color:var(--text2);}

/* ---- EMPTY STATE ---- */
.empty{text-align:center;padding:40px 20px;color:var(--text3);}
.empty-icon{font-size:40px;margin-bottom:12px;}
.empty a{color:var(--accent);}

/* ============================================================
   FORM LAYOUT AVEC PREVIEW LIVE — DESKTOP / TABLETTE
   ============================================================ */
.form-layout{display:flex;gap:0;align-items:flex-start;}
.form-panel{flex:0 0 100%;min-width:0;}
.preview-panel{display:none;position:sticky;top:72px;flex:0 0 45%;min-width:0;max-height:calc(100vh - 80px);overflow-y:auto;}
.preview-panel-header{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;background:var(--bg3);border-radius:var(--radius) var(--radius) 0 0;font-size:13px;font-weight:600;border:1px solid var(--border);border-bottom:none;}
.live-preview-container{background:var(--bg2);border:1px solid var(--border);border-radius:0 0 var(--radius) var(--radius);padding:16px;min-height:300px;}
.preview-loading{color:var(--text3);font-size:13px;text-align:center;padding:40px 20px;}

@media (min-width: 900px) {
  .form-layout{gap:20px;}
  .form-panel{flex:0 0 52%;}
  .preview-panel{display:block;}
  .main-content{padding:20px;}
}

/* ---- PRINT ---- */
@media print{
  .topbar,.bottom-nav,.fab,.show-actions,.status-row,.back-link{display:none!important;}
}