/* =============================================================
   QuickBill v3
   ============================================================= */

*{margin:0;padding:0;box-sizing:border-box}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
  background:#f0f2f5;color:#1a1a2e;line-height:1.6;min-height:100vh}

/* --- Загрузка --- */
.loading-screen{display:flex;flex-direction:column;align-items:center;
  justify-content:center;min-height:100vh;gap:20px}
.loading{text-align:center;padding:60px 20px;color:#888}
.spinner{width:36px;height:36px;border:4px solid #e1e5eb;
  border-top-color:#667eea;border-radius:50%;animation:spin .7s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* --- Логотип --- */
.logo{font-size:2.2em;font-weight:800;color:#667eea;cursor:pointer}
.logo span{color:#764ba2}
.logo.sm{font-size:1.3em}

/* =============================================================
   ВЕРХНЯЯ ПАНЕЛЬ (гостевой режим)
   ============================================================= */

.topbar{background:#fff;box-shadow:0 2px 12px rgba(0,0,0,.08);
  position:sticky;top:0;z-index:100}
.topbar-in{max-width:1200px;margin:0 auto;padding:0 20px;
  display:flex;align-items:center;justify-content:space-between;height:56px}
.topbar-r{display:flex;gap:8px;align-items:center}

  /* ===== ЛЕНДИНГ (ШАПКА) ===== */
  .hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 40px 20px;
    text-align: center;
  }

  .hero h1 {
    font-size: 2.5em;
    margin-bottom: 10px;
    font-weight: 800;
  }

  .hero h1 span { 
    background: rgba(255,255,255,0.2); 
    padding: 2px 12px; 
    border-radius: 8px; 
  }

  .hero p {
    font-size: 1.2em;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto 20px;
  }

  .hero-badges {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 15px;
  }

  .hero-badges div {
    background: rgba(255,255,255,0.15);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.9em;
  }

/* =============================================================
   МОДАЛЬНОЕ ОКНО АВТОРИЗАЦИИ
   ============================================================= */

.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.5);
  display:flex;align-items:center;justify-content:center;z-index:500;
  padding:20px;backdrop-filter:blur(4px)}
.modal-overlay.hidden{display:none}
.modal-card{background:#fff;border-radius:20px;padding:36px;
  width:100%;max-width:400px;box-shadow:0 20px 60px rgba(0,0,0,.3);
  position:relative;animation:modalIn .25s ease}
@keyframes modalIn{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:none}}
.modal-close{position:absolute;top:14px;right:14px;background:none;
  border:none;font-size:1.4em;cursor:pointer;color:#999;width:36px;height:36px;
  border-radius:50%;display:flex;align-items:center;justify-content:center;transition:.2s}
.modal-close:hover{background:#f0f2f5;color:#333}

.auth-sub{text-align:center;color:#888;margin:4px 0 24px;font-size:.92em}
.tabs{display:flex;background:#f0f2f5;border-radius:12px;padding:4px;margin-bottom:24px}
.tab{flex:1;padding:10px;border:none;background:0;border-radius:10px;
  font-weight:600;font-size:.95em;cursor:pointer;font-family:inherit;color:#666;transition:.2s}
.tab.on{background:#fff;color:#667eea;box-shadow:0 2px 8px rgba(0,0,0,.1)}

/* =============================================================
   ПРОМО-БЛОК (бесплатная версия)
   ============================================================= */

.promo-block{background:linear-gradient(135deg,#f8f9ff,#eef0ff);
  border:2px solid #d4d9ff;border-radius:16px;padding:28px;
  text-align:center;margin-top:8px}
.promo-icon{font-size:2.5em;margin-bottom:8px}
.promo-block h3{font-size:1.15em;color:#667eea;margin-bottom:14px}
.promo-block ul{list-style:none;text-align:left;max-width:420px;
  margin:0 auto 20px;display:flex;flex-direction:column;gap:6px}
.promo-block li{font-size:.95em;color:#444}

/* =============================================================
   НАВИГАЦИЯ (авторизованный)
   ============================================================= */

.nav{background:#fff;box-shadow:0 2px 12px rgba(0,0,0,.08);position:sticky;top:0;z-index:100}
.nav-in{max-width:1200px;margin:0 auto;padding:0 20px;
  display:flex;align-items:center;height:56px;gap:16px}
.nav-links{display:flex;gap:4px;margin-left:auto;}
.nl{padding:7px 14px;border:none;background:0;border-radius:10px;
  font-weight:500;font-size:.88em;cursor:pointer;font-family:inherit;
  color:#666;white-space:nowrap;transition:.2s}
.nl:hover{background:#f0f2f5}
.nl.on{background:#667eea;color:#fff}
.nav-user{display:flex;align-items:center;gap:10px;white-space:nowrap}
.uname{font-weight:500;color:#555;font-size:.88em}

/* =============================================================
   КОНТЕНТ
   ============================================================= */

.main{max-width:1200px;margin:28px auto;padding:0 20px}
.ph{display:flex;align-items:center;justify-content:space-between;
  margin-bottom:24px;flex-wrap:wrap;gap:14px}
.ph h1{font-size:1.7em;font-weight:700}

/* --- Статы --- */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:14px;margin-bottom:24px}
.sc{background:#fff;border-radius:16px;padding:22px;box-shadow:0 2px 10px rgba(0,0,0,.06)}
.sv{font-size:1.9em;font-weight:800;color:#667eea}
.sl{color:#888;font-size:.88em;margin-top:4px}
.sc.draft .sv{color:#f39c12}
.sc.paid .sv{color:#27ae60}

/* --- Карточки --- */
.card{background:#fff;border-radius:16px;padding:24px;
  box-shadow:0 2px 10px rgba(0,0,0,.06);margin-bottom:18px}
.card h2{font-size:1.15em;margin-bottom:18px;color:#333}
.ch{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}
.ch h2{margin-bottom:0}

/* --- Формы --- */
.fg{display:flex;flex-direction:column;margin-bottom:14px}
.fg label{font-size:.84em;font-weight:600;color:#555;margin-bottom:4px}
.fg input,.fg textarea,.fg select{padding:9px 13px;border:2px solid #e1e5eb;
  border-radius:10px;font-size:.94em;font-family:inherit;outline:none;transition:border .2s}
.fg input:focus,.fg textarea:focus,.fg select:focus{border-color:#667eea}
.fg textarea{resize:vertical;min-height:70px;width:100%}
.fg2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.fl{margin:0 auto}

/* =============================================================
   КНОПКИ
   ============================================================= */

.btn{padding:10px 20px;border:none;border-radius:10px;font-size:.94em;
  font-weight:600;cursor:pointer;transition:all .2s;font-family:inherit;
  display:inline-flex;align-items:center;justify-content:center;gap:6px}
.btn.pri{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff}
.btn.pri:hover{transform:translateY(-1px);box-shadow:0 6px 18px rgba(102,126,234,.35)}
.btn.sec{background:#f0f2f5;color:#333}
.btn.out{background:#fff;border:2px solid #e1e5eb;color:#555}
.btn.out:hover{border-color:#667eea;color:#667eea}
.btn.sm{padding:5px 11px;font-size:.8em}
.btn.full{width:100%}
.btn.danger{background:#fee;color:#e74c3c;border:none}
.btn.danger:hover{background:#e74c3c;color:#fff}
.btn.add{background:#f0f2f5;color:#667eea;border:2px dashed #667eea;width:100%;margin-top:8px}
.btn.add:hover{background:#667eea;color:#fff;border-style:solid}
.btn-x{background:#fee;color:#e74c3c;border:none;border-radius:8px;
  width:34px;height:34px;font-size:1.1em;cursor:pointer;transition:.2s}
.btn-x:hover{background:#e74c3c;color:#fff}

/* =============================================================
   ВЫБОР КЛИЕНТА (dropdown)
   ============================================================= */

.client-picker{margin-bottom:16px}
.client-picker select{width:100%;padding:10px 14px;border:2px solid #d4d9ff;
  border-radius:10px;font-size:.94em;font-family:inherit;outline:none;
  background:#f8f9ff;color:#667eea;font-weight:500;cursor:pointer;transition:.2s}
.client-picker select:focus{border-color:#667eea}

/* =============================================================
   ТАБЛИЦА ПОЗИЦИЙ
   ============================================================= */

.tbl{width:100%;border-collapse:collapse;margin-bottom:8px}
.tbl th{background:#f8f9fb;padding:10px 8px;text-align:left;
  font-size:.84em;font-weight:600;color:#555;border-bottom:2px solid #e1e5eb}
.tbl td{padding:6px 4px;vertical-align:middle}
.tbl input{width:100%;padding:8px 9px;border:2px solid #e1e5eb;
  border-radius:8px;font-size:.9em;font-family:inherit;outline:none;transition:border .2s}
.tbl input:focus{border-color:#667eea}
.it-sum{font-weight:600;padding:8px 9px;background:#f8f9fb;
  border-radius:8px;text-align:right;font-size:.88em}

/* --- НДС и итоги --- */
.vat-row{display:flex;align-items:center;gap:10px;margin-top:10px}
.vat-row input[type="number"]{padding:7px;border:2px solid #e1e5eb;
  border-radius:8px;font-size:.94em;outline:none}
.vat-row input[type="number"]:focus{border-color:#667eea}
.totals{display:flex;flex-direction:column;align-items:flex-end;
  gap:7px;margin-top:18px;padding-top:18px;border-top:2px solid #e1e5eb}
.tr{display:flex;justify-content:space-between;width:270px;font-size:.94em}
.tr.grand{font-size:1.25em;font-weight:800;color:#667eea;
  border-top:2px solid #667eea;padding-top:10px;margin-top:4px}

/* --- Кнопки формы --- */
.form-btns{display:flex;gap:14px;margin-top:8px}
.form-btns .btn{flex:1}

/* =============================================================
   СПИСОК СЧЕТОВ
   ============================================================= */

.il{display:flex;flex-direction:column;gap:10px}
.ic{border:2px solid #f0f2f5;border-radius:12px;padding:14px;transition:.2s}
.ic:hover{border-color:#667eea;box-shadow:0 3px 14px rgba(102,126,234,.1)}
.ic-top{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:10px}
.ic-num{font-weight:700;font-size:1.08em;color:#667eea}
.ic-cl{color:#555;font-size:.88em;margin-top:3px}
.ic-dt{color:#999;font-size:.82em;margin-top:2px}
.ic-sum{font-size:1.25em;font-weight:700;color:#1a1a2e}
.ic-bot{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:8px}
.ic-acts{display:flex;gap:6px;flex-wrap:wrap}
.badge{padding:3px 11px;border-radius:20px;font-size:.78em;font-weight:600}
.st-dr{background:#fff3cd;color:#856404}
.st-se{background:#cce5ff;color:#004085}
.st-pa{background:#d4edda;color:#155724}
.st-ca{background:#f8d7da;color:#721c24}
.ssel{padding:4px 8px;border:2px solid #e1e5eb;border-radius:8px;
  font-size:.78em;font-family:inherit;outline:none;cursor:pointer}

/* --- Фильтры --- */
.filters{display:flex;gap:14px;margin-bottom:18px;flex-wrap:wrap}
.ff{display:flex;align-items:center;gap:7px}
.ff label{font-weight:600;font-size:.88em;color:#555;white-space:nowrap}
.ff select,.ff input{padding:7px 11px;border:2px solid #e1e5eb;
  border-radius:8px;font-size:.88em;font-family:inherit;outline:none}
.ff select:focus,.ff input:focus{border-color:#667eea}

/* --- Пустое состояние --- */
.empty{text-align:center;padding:36px 20px;color:#888}
.ei{font-size:3em;margin-bottom:8px}
.empty p{margin-bottom:18px;font-size:1.05em}

/* =============================================================
   СПРАВОЧНИК КЛИЕНТОВ (настройки)
   ============================================================= */

.cl-card{display:flex;justify-content:space-between;align-items:flex-start;
  padding:14px;border:2px solid #f0f2f5;border-radius:12px;margin-bottom:10px;
  transition:.2s}
.cl-card:hover{border-color:#667eea}
.cl-info{flex:1;min-width:0}
.cl-name{font-weight:700;font-size:1.05em;color:#333;margin-bottom:2px}
.cl-det{font-size:.88em;color:#666;line-height:1.6}
.cl-notes{font-size:.84em;color:#999;margin-top:4px;font-style:italic}
.cl-acts{display:flex;gap:6px;flex-shrink:0;margin-left:12px}

.cl-form{background:#f8f9ff;border:2px solid #d4d9ff;border-radius:14px;
  padding:20px;margin-bottom:18px;animation:modalIn .2s ease}
.cl-form h3{font-size:1em;color:#667eea;margin-bottom:14px}
.cl-form-btns{display:flex;gap:10px;margin-top:4px}

/* =============================================================
   TOAST-УВЕДОМЛЕНИЯ
   ============================================================= */

#toasts{position:fixed;top:70px;right:20px;z-index:1000;
  display:flex;flex-direction:column;gap:8px}
.toast{display:flex;align-items:center;gap:10px;padding:13px 18px;
  border-radius:12px;font-size:.93em;font-weight:500;
  box-shadow:0 8px 28px rgba(0,0,0,.14);
  transform:translateX(120%);transition:transform .3s;max-width:380px}
.toast.show{transform:translateX(0)}
.t-ok{background:#d4edda;color:#155724;border:1px solid #c3e6cb}
.t-err{background:#f8d7da;color:#721c24;border:1px solid #f5c6cb}

/* =============================================================
   ПЕЧАТЬ СЧЁТА
   ============================================================= */

.pa{display:flex;gap:14px;margin-bottom:18px}
.invoice-print{background:#fff;padding:48px;border-radius:4px;
  box-shadow:0 4px 20px rgba(0,0,0,.1);max-width:800px;margin:0 auto}
.ip-head{display:flex;justify-content:space-between;align-items:flex-start;
  margin-bottom:36px;padding-bottom:18px;border-bottom:3px solid #667eea}
.ip-title{font-size:2em;font-weight:800;color:#667eea}
.ip-num{color:#888;margin-top:4px}
.ip-brand{font-size:1.3em;font-weight:800;color:#667eea}
.ip-parties{display:grid;grid-template-columns:1fr 1fr;gap:28px;margin-bottom:28px}
.ip-party h3{font-size:.78em;text-transform:uppercase;letter-spacing:1px;
  color:#999;margin-bottom:7px}
.ip-name{font-size:1.08em;font-weight:700;margin-bottom:3px}
.ip-det{color:#666;font-size:.88em;line-height:1.7}
.ip-tbl{width:100%;border-collapse:collapse;margin-bottom:18px}
.ip-tbl th{background:#667eea;color:#fff;padding:10px 14px;
  text-align:left;font-size:.84em;font-weight:600}
.ip-tbl td{padding:10px 14px;border-bottom:1px solid #eee}
.ip-tbl tr:nth-child(even){background:#f9f9fb}
.r{text-align:right!important}
.ip-totals{display:flex;flex-direction:column;align-items:flex-end;gap:5px}
.ipt-r{display:flex;justify-content:space-between;width:240px;font-size:.94em;color:#555}
.ipt-r.grand{font-size:1.25em;font-weight:800;color:#1a1a2e;
  border-top:2px solid #667eea;padding-top:8px;margin-top:6px}
.ip-notes{margin-top:28px;padding:14px;background:#f8f9fb;
  border-radius:8px;font-size:.88em;color:#666}
.ip-footer{margin-top:36px;padding-top:18px;border-top:1px solid #eee;
  color:#999;font-size:.82em;text-align:center}

/* =============================================================
   PRINT
   ============================================================= */

@media print{
  body{background:#fff}
  .topbar,.nav,.pa,.hero-mini,.promo-block,.no-print,#toasts{display:none!important}
  .main{padding:0;margin:0;max-width:none}
  .invoice-print{box-shadow:none;margin:0;padding:20px}
}

/* =============================================================
   MOBILE
   ============================================================= */

@media(max-width:768px){
  .nav-in{flex-wrap:wrap;height:auto;padding:8px 14px}
  .nav-links{order:3;width:100%;justify-content:center;overflow-x:auto}
  .nl{padding:5px 10px;font-size:.78em}
  .uname{display:none}
  .fg2{grid-template-columns:1fr}
  .ic-bot{flex-direction:column;align-items:flex-start}
  .ic-acts{width:100%}
  .invoice-print{padding:20px}
  .ip-parties{grid-template-columns:1fr}
  .form-btns{flex-direction:column}
  .filters{flex-direction:column}
  .stats{grid-template-columns:1fr 1fr}
  .hero-mini h1{font-size:1.3em}
  .cl-card{flex-direction:column}
  .cl-acts{margin-left:0;margin-top:10px}
}
@media(max-width:400px){
  .stats{grid-template-columns:1fr}
  .topbar-in{flex-wrap:wrap;height:auto;padding:8px 14px;gap:8px}
}

/* =============================================================
   SEO-КОНТЕНТ
   ============================================================= */

.seo-content {
  max-width: 1200px;
  margin: 40px auto;
  padding: 0 20px;
  color: #333;
}

.seo-content h1 {
  font-size: 1.8em;
  font-weight: 800;
  color: #1a1a2e;
  margin-bottom: 16px;
  line-height: 1.3;
}

.seo-content h2 {
  font-size: 1.35em;
  font-weight: 700;
  color: #1a1a2e;
  margin: 32px 0 14px;
}

.seo-content p {
  font-size: 1.02em;
  line-height: 1.75;
  margin-bottom: 12px;
  color: #444;
}

.seo-content ul,
.seo-content ol {
  margin: 0 0 16px 20px;
  line-height: 1.8;
}

.seo-content li {
  margin-bottom: 6px;
  font-size: 1em;
  color: #444;
}

/* --- Блок фич --- */

.seo-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin: 20px 0 10px;
}

.seo-feature {
  background: #fff;
  border: 2px solid #f0f2f5;
  border-radius: 14px;
  padding: 22px;
  transition: border-color .2s;
}

.seo-feature:hover {
  border-color: #667eea;
}

.seo-feature h3 {
  font-size: 1.05em;
  font-weight: 700;
  color: #667eea;
  margin-bottom: 8px;
}

.seo-feature p {
  font-size: .93em;
  color: #555;
  margin-bottom: 0;
}

/* --- FAQ (аккордеон) --- */

.seo-content details {
  background: #fff;
  border: 2px solid #f0f2f5;
  border-radius: 12px;
  margin-bottom: 10px;
  transition: border-color .2s;
}

.seo-content details:hover {
  border-color: #667eea;
}

.seo-content details[open] {
  border-color: #667eea;
}

.seo-content summary {
  padding: 16px 20px;
  font-weight: 600;
  font-size: 1em;
  cursor: pointer;
  color: #1a1a2e;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 10px;
}

.seo-content summary::before {
  content: '▸';
  font-size: 1.1em;
  color: #667eea;
  transition: transform .2s;
}

.seo-content details[open] summary::before {
  transform: rotate(90deg);
}

.seo-content summary::-webkit-details-marker {
  display: none;
}

.seo-content details p {
  padding: 0 20px 16px;
  font-size: .95em;
  margin-bottom: 0;
}

@media (max-width: 768px) {
  .seo-features {
    grid-template-columns: 1fr;
  }
  .seo-content h1 {
    font-size: 1.4em;
  }
}

@media print {
  .seo-content {
    display: none !important;
  }
}
/* =============================================================
   ЕДИНЫЙ КОНТЕЙНЕР СТРАНИЦ QUICKBILL
   ============================================================= */

.main-content {
  width: 100%;margin: 28px auto;
}

.page-wrap {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px 30px;
}

/* Чтобы заголовки и блоки не липли к левому краю */
.page-wrap .ph,
.page-wrap .page-header {
  margin-left: 0;
  margin-right: 0;
}

/* Формы уже сами ограничены через .form-layout,
   поэтому просто не даём заголовку убежать влево */
.page-wrap .form-layout {
  max-width: 900px;
  margin: 0 auto;
}