/* ============================================================
   auditspotreby.cz — design system
   ============================================================ */
:root{
    --ink:#0f172a;          /* slate-900 */
    --ink-2:#334155;        /* slate-700 */
    --muted:#64748b;        /* slate-500 */
    --line:#e2e8f0;         /* slate-200 */
    --bg:#f8fafc;           /* slate-50  */
    --card:#ffffff;
    --brand:#0d9488;        /* teal-600  */
    --brand-2:#0f766e;      /* teal-700  */
    --brand-ink:#134e4a;    /* teal-900  */
    --accent:#f59e0b;       /* amber-500 */
    --accent-2:#facc15;     /* yellow-400 */
    --green:#16a34a;
    --danger:#dc2626;
    --radius:18px;
    --radius-sm:12px;
    --shadow:0 10px 30px -12px rgba(15,23,42,.18);
    --shadow-lg:0 30px 60px -20px rgba(13,148,136,.35);
    --maxw:1120px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
    margin:0;font-family:'Plus Jakarta Sans',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
    color:var(--ink);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased;
}
a{color:var(--brand-2);text-decoration:none}
a:hover{color:var(--brand)}
h1,h2,h3,h4{line-height:1.15;margin:0 0 .4em;color:var(--ink);letter-spacing:-.02em}
h1{font-size:clamp(2.1rem,4.6vw,3.5rem);font-weight:800}
h2{font-size:clamp(1.6rem,3vw,2.3rem);font-weight:800}
p{margin:0 0 1rem}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px}
.muted{color:var(--muted)}
.hl{color:var(--brand);position:relative;white-space:nowrap}
.lead{font-size:1.15rem;color:var(--ink-2)}
.eyebrow{display:inline-block;font-weight:700;font-size:.8rem;letter-spacing:.08em;text-transform:uppercase;
    color:var(--brand-2);background:rgba(13,148,136,.1);padding:.35rem .7rem;border-radius:999px;margin-bottom:1rem}
.eyebrow-light{color:#fff;background:rgba(255,255,255,.18)}
.section-title{text-align:center;margin-bottom:2rem}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;font-weight:700;
    padding:.7rem 1.2rem;border-radius:999px;border:2px solid transparent;cursor:pointer;
    transition:transform .15s ease,box-shadow .15s ease,background .15s ease;font-size:.98rem;white-space:nowrap}
.btn:hover{transform:translateY(-2px)}
.btn-lg{padding:.95rem 1.7rem;font-size:1.05rem}
.btn-block,.btn-block.btn{display:flex;width:100%}
.btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;box-shadow:var(--shadow-lg)}
.btn-primary:hover{color:#fff}
.btn-outline{background:transparent;border-color:var(--brand);color:var(--brand-2)}
.btn-outline:hover{background:var(--brand);color:#fff}
.btn-ghost{background:transparent;color:var(--ink-2);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand-2)}

/* header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(248,250,252,.85);backdrop-filter:blur(10px);
    border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:70px}
.brand{display:flex;align-items:center;gap:.55rem;font-weight:800;font-size:1.15rem;color:var(--ink)}
.brand-mark{display:grid;place-items:center;width:34px;height:34px;border-radius:10px;
    background:linear-gradient(135deg,var(--brand),var(--brand-2));font-size:1.1rem;box-shadow:var(--shadow)}
.brand-name strong{color:var(--brand-2)}
.main-nav{display:flex;align-items:center;gap:1.4rem}
.main-nav a{color:var(--ink-2);font-weight:600}
.main-nav a:hover{color:var(--brand-2)}
.main-nav a.btn{color:#fff}
.main-nav a.btn-ghost{color:var(--ink-2)}
.nav-toggle{display:none;background:none;border:none;font-size:1.5rem;cursor:pointer}

/* flash */
.flash{margin:1rem 0;padding:.85rem 1.1rem;border-radius:var(--radius-sm);font-weight:600;border:1px solid}
.flash-success{background:#f0fdf4;border-color:#bbf7d0;color:#166534}
.flash-error{background:#fef2f2;border-color:#fecaca;color:#991b1b}
.flash-info{background:#eff6ff;border-color:#bfdbfe;color:#1e40af}

/* hero */
.hero{background:
    radial-gradient(1000px 500px at 85% -10%,rgba(250,204,21,.18),transparent 60%),
    radial-gradient(900px 600px at 0% 0%,rgba(13,148,136,.14),transparent 55%);
    padding:clamp(2.5rem,6vw,5rem) 0}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:3rem;align-items:center}
.hero-copy .lead{max-width:34rem}
.hero-cta{display:flex;gap:.8rem;flex-wrap:wrap;margin:1.6rem 0 1.2rem}
.hero-badges{list-style:none;display:flex;gap:1.2rem;flex-wrap:wrap;padding:0;margin:0;color:var(--ink-2);font-weight:600;font-size:.92rem}

.hero-card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow-lg);
    border:1px solid var(--line);padding:1.3rem;position:relative}
.hero-card-head{display:flex;justify-content:space-between;align-items:center;font-weight:700;
    padding-bottom:.8rem;margin-bottom:.4rem;border-bottom:1px dashed var(--line)}
.mini-row{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:.8rem;padding:.6rem 0;border-bottom:1px solid var(--line)}
.mini-ico{font-size:1.5rem;width:2.2rem;text-align:center}
.mini-name{font-weight:600;display:flex;flex-direction:column;line-height:1.2}
.mini-name small{color:var(--muted);font-weight:500;font-size:.78rem}
.mini-cost{font-weight:800;color:var(--brand-2);font-size:1.05rem;text-align:right;white-space:nowrap}
.mini-cost small{color:var(--muted);font-weight:600;font-size:.72rem;display:block}
.hero-card-foot{display:block;text-align:center;font-weight:700;margin-top:1rem;padding-top:.4rem}

/* steps */
.steps{padding:clamp(2.5rem,6vw,4.5rem) 20px}
.steps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem}
.step{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:1.8rem;box-shadow:var(--shadow);position:relative}
.step-num{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;font-weight:800;color:#fff;
    background:linear-gradient(135deg,var(--brand),var(--brand-2));font-size:1.2rem;margin-bottom:1rem}
.step h3{font-size:1.2rem}
.step p{margin:0;color:var(--ink-2)}

/* band */
.band{background:linear-gradient(135deg,#ecfeff,#f0fdfa);border-top:1px solid var(--line);border-bottom:1px solid var(--line);
    padding:clamp(2.5rem,6vw,4rem) 0}
.band-grid{display:grid;grid-template-columns:1.3fr .7fr;gap:2.5rem;align-items:center}
.chips{display:flex;flex-wrap:wrap;gap:.6rem;margin-top:1.2rem}
.chip{background:#fff;border:1px solid var(--line);border-radius:999px;padding:.45rem .9rem;font-weight:600;box-shadow:var(--shadow)}
.band-stat{display:grid;gap:1rem}
.stat{background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);padding:1rem 1.3rem;box-shadow:var(--shadow)}
.stat strong{display:block;font-size:1.8rem;color:var(--brand-2);font-weight:800}
.stat span{color:var(--muted);font-weight:600}

/* invoice CTA */
.invoice-cta{background:linear-gradient(135deg,var(--brand-ink),var(--brand-2));color:#fff;
    padding:clamp(2.5rem,6vw,4.5rem) 0;margin-top:0}
.invoice-cta h2{color:#fff}
.invoice-cta .lead{color:rgba(255,255,255,.9)}
.invoice-grid{display:grid;grid-template-columns:1fr .85fr;gap:3rem;align-items:center}
.check-list{list-style:none;padding:0;margin:1.2rem 0 0;display:grid;gap:.6rem}
.check-list li{padding-left:1.9rem;position:relative;font-weight:600}
.check-list li::before{content:"✓";position:absolute;left:0;top:0;width:1.35rem;height:1.35rem;border-radius:50%;
    background:var(--accent-2);color:var(--brand-ink);display:grid;place-items:center;font-size:.8rem;font-weight:800}

/* card / forms */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:1.6rem;box-shadow:var(--shadow-lg);color:var(--ink)}
.invoice-form h3{margin-bottom:1rem}
.field{margin-bottom:.9rem}
.field label{display:block;font-weight:600;margin-bottom:.35rem;font-size:.92rem}
.field input,.field select{width:100%;padding:.7rem .85rem;border:1.5px solid var(--line);border-radius:var(--radius-sm);
    font:inherit;color:var(--ink);background:#fff;transition:border-color .15s}
.field input:focus,.field select:focus{outline:none;border-color:var(--brand)}
.form-note{font-size:.82rem;margin:.7rem 0 0;text-align:center}

.dropzone{display:flex;flex-direction:column;align-items:center;text-align:center;gap:.3rem;
    border:2px dashed var(--brand);border-radius:var(--radius-sm);padding:1.6rem 1rem;cursor:pointer;
    background:#f0fdfa;transition:background .15s,border-color .15s;margin-bottom:1rem;position:relative}
.dropzone:hover,.dropzone.drag{background:#ccfbf1}
.dropzone input[type=file]{position:absolute;inset:0;opacity:0;cursor:pointer}
.dz-icon{font-size:2rem}
.dz-text{font-weight:600}
.dz-hint{font-size:.82rem;color:var(--muted)}
.dz-file{font-weight:700;color:var(--brand-2)}

/* compare */
.compare{padding:clamp(2.5rem,6vw,4rem) 20px}
.compare-inner{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);
    padding:2.2rem;display:grid;grid-template-columns:1fr auto;gap:2rem;align-items:center}
.compare-inner h2{margin-bottom:.3rem}

/* footer */
.site-footer{background:#0b1220;color:#cbd5e1;margin-top:3rem;padding:3rem 0 1.5rem}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:2rem}
.footer-grid h4{color:#fff;font-size:.95rem;margin-bottom:.8rem}
.footer-grid a{display:block;color:#94a3b8;margin-bottom:.4rem}
.footer-grid a:hover{color:#fff}
.brand-footer{color:#fff;margin-bottom:.7rem}
.brand-footer .brand-name strong{color:var(--accent-2)}
.link-out{font-weight:700;color:var(--accent-2)!important}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:2rem;padding-top:1.2rem;font-size:.85rem}

/* ===== app / dashboard ===== */
.page{padding:clamp(1.8rem,4vw,3rem) 20px;max-width:var(--maxw);margin:0 auto}
.page-head{display:flex;justify-content:space-between;align-items:flex-end;flex-wrap:wrap;gap:1rem;margin-bottom:1.6rem}
.page-head h1{font-size:1.9rem;margin:0}
.subnav{display:flex;gap:.5rem;flex-wrap:wrap;margin-bottom:1.6rem}
.subnav a{padding:.5rem 1rem;border-radius:999px;font-weight:600;color:var(--ink-2);border:1px solid var(--line);background:#fff}
.subnav a.active{background:var(--brand);color:#fff;border-color:var(--brand)}

.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem;margin-bottom:1.8rem}
.kpi{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:1.3rem 1.5rem;box-shadow:var(--shadow)}
.kpi .k-label{color:var(--muted);font-weight:600;font-size:.9rem}
.kpi .k-value{font-size:2rem;font-weight:800;color:var(--brand-2);margin-top:.2rem}
.kpi.kpi-accent{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;border:none}
.kpi.kpi-accent .k-label,.kpi.kpi-accent .k-value{color:#fff}

.grid-2{display:grid;grid-template-columns:1.4fr .9fr;gap:1.5rem;align-items:start}
@media (max-width:900px){.grid-2{grid-template-columns:1fr}}

.panel{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:1.5rem;margin-bottom:1.5rem}
.panel h2,.panel h3{margin-top:0}

/* appliance list */
.appl-list{display:grid;gap:.7rem}
.appl{display:grid;grid-template-columns:auto 1fr auto auto;gap:1rem;align-items:center;
    background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);padding:.8rem 1rem}
.appl-ico{font-size:1.7rem;width:2.4rem;text-align:center}
.appl-main{min-width:0}
.appl-name{font-weight:700}
.appl-detail{color:var(--muted);font-size:.85rem}
.appl-cost{text-align:right;font-weight:800;color:var(--brand-2);white-space:nowrap}
.appl-cost small{display:block;color:var(--muted);font-weight:600;font-size:.75rem}
.appl-actions{display:flex;gap:.4rem}
.icon-btn{border:1px solid var(--line);background:#fff;border-radius:8px;padding:.35rem .55rem;cursor:pointer;font-size:.9rem}
.icon-btn:hover{border-color:var(--brand);color:var(--brand-2)}
.icon-btn.danger:hover{border-color:var(--danger);color:var(--danger)}

.bar-row{display:grid;grid-template-columns:9rem 1fr auto;gap:.7rem;align-items:center;margin-bottom:.6rem;font-size:.9rem}
.bar-track{background:var(--line);border-radius:999px;height:14px;overflow:hidden}
.bar-fill{height:100%;border-radius:999px;background:linear-gradient(90deg,var(--brand),var(--accent))}
.bar-val{font-weight:700;white-space:nowrap}

.empty{text-align:center;padding:2.5rem 1rem;color:var(--muted)}
.empty .empty-ico{font-size:3rem}

/* auth */
.auth-wrap{max-width:440px;margin:clamp(2rem,6vw,4rem) auto;padding:0 20px}
.auth-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-lg);padding:2rem}
.auth-card h1{font-size:1.6rem}
.auth-alt{text-align:center;margin-top:1.2rem;color:var(--muted)}
.checkbox{display:flex;gap:.6rem;align-items:flex-start;font-size:.9rem;color:var(--ink-2)}
.checkbox input{margin-top:.25rem}

/* catalog picker */
.cat-group{margin-bottom:1rem}
.cat-group h4{margin:.4rem 0;color:var(--muted);font-size:.85rem;text-transform:uppercase;letter-spacing:.05em}
.cat-items{display:flex;flex-wrap:wrap;gap:.5rem}
.cat-item{border:1.5px solid var(--line);background:#fff;border-radius:999px;padding:.45rem .85rem;cursor:pointer;
    font-weight:600;font-size:.9rem;display:inline-flex;gap:.4rem;align-items:center;transition:all .12s}
.cat-item:hover{border-color:var(--brand);background:#f0fdfa}
.cat-item.sel{border-color:var(--brand);background:var(--brand);color:#fff}

.form-row{display:grid;grid-template-columns:1fr 1fr;gap:.8rem}
.hint{font-size:.82rem;color:var(--muted);margin-top:.3rem}
.live-cost{background:#f0fdfa;border:1px solid #99f6e4;border-radius:var(--radius-sm);padding:1rem;text-align:center;margin:1rem 0}
.live-cost .lc-big{font-size:1.8rem;font-weight:800;color:var(--brand-2)}

/* ---- administrace ---- */
.table{width:100%;border-collapse:collapse;font-size:.92rem}
.table th,.table td{text-align:left;padding:.6rem .7rem;border-bottom:1px solid var(--line);vertical-align:middle}
.table thead th{font-size:.78rem;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);font-weight:700}
.table tbody tr:hover{background:#f8fafc}
.table-wrap{overflow-x:auto}
.badge{display:inline-block;font-size:.72rem;font-weight:700;padding:.15rem .5rem;border-radius:999px;line-height:1.4}
.badge-green{background:#dcfce7;color:#166534}
.badge-muted{background:#f1f5f9;color:#475569}
.badge-brand{background:#ccfbf1;color:var(--brand-2)}
.btn-sm{padding:.4rem .8rem;font-size:.85rem}
.btn-danger{background:var(--danger);color:#fff}
.btn-danger:hover{color:#fff;filter:brightness(1.05)}
.check{display:flex;align-items:center;gap:.5rem;font-weight:600;margin:.5rem 0;font-size:.95rem}
.check input{width:auto}
.admin-search{display:flex;gap:.6rem;margin-bottom:1.4rem;flex-wrap:wrap}
.admin-search input{flex:1;min-width:220px;padding:.7rem .85rem;border:1.5px solid var(--line);border-radius:var(--radius-sm)}
.admin-actions{display:flex;gap:.6rem;flex-wrap:wrap;margin-top:1rem}
.row-unread td{font-weight:700}
.dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--brand)}
.mail-meta{border-collapse:collapse}
.mail-meta th{text-align:left;color:var(--muted);font-weight:600;padding:.25rem 1rem .25rem 0;vertical-align:top;white-space:nowrap}
.mail-meta td{padding:.25rem 0}
.mail-html{width:100%;min-height:60vh;border:1px solid var(--line);border-radius:var(--radius-sm);background:#fff}
.mail-text{white-space:pre-wrap;word-break:break-word;font-family:inherit;margin:0}

@media (max-width:820px){
    .hero-grid,.band-grid,.invoice-grid,.footer-grid,.steps-grid,.compare-inner{grid-template-columns:1fr}
    .steps-grid{gap:1rem}
    .main-nav{position:fixed;inset:70px 0 auto 0;background:#fff;flex-direction:column;align-items:stretch;
        padding:1rem 20px;gap:.4rem;border-bottom:1px solid var(--line);display:none;box-shadow:var(--shadow)}
    body.nav-open .main-nav{display:flex}
    .nav-toggle{display:block}
    .compare-inner{text-align:center}
}