:root{--bg:#f3f6fb;--panel:#ffffff;--text:#111827;--muted:#6b7280;--line:#e5e7eb;--primary:#1d4ed8;--danger:#dc2626;--success:#16a34a;--shadow:0 12px 30px rgba(15,23,42,.08)}*{box-sizing:border-box}body{margin:0;font-family:Inter,Arial,Helvetica,sans-serif;background:var(--bg);color:var(--text);font-size:14px}.app-shell,.layout{display:flex;min-height:100vh}.sidebar{width:292px;background:linear-gradient(180deg,#08111f,#111827);color:#fff;padding:18px;position:fixed;height:100vh;overflow:auto;box-shadow:8px 0 28px rgba(15,23,42,.18)}.brand{display:flex;gap:12px;align-items:center;padding:12px 10px 22px;border-bottom:1px solid rgba(255,255,255,.08);margin-bottom:14px}.brand-logo{width:42px;height:42px;border-radius:14px;background:linear-gradient(135deg,#2563eb,#22c55e);display:flex;align-items:center;justify-content:center;font-weight:800;color:#fff}.brand b{display:block;font-size:17px}.brand span{display:block;color:#94a3b8;font-size:12px;margin-top:3px}.nav-section{margin:14px 0}.nav-section>span{display:block;color:#94a3b8;text-transform:uppercase;letter-spacing:.08em;font-size:11px;font-weight:700;margin:12px 10px 7px}.sidebar a{display:flex;align-items:center;gap:9px;color:#d1d5db;text-decoration:none;padding:10px 12px;border-radius:12px;margin:3px 0;border:1px solid transparent}.sidebar a:hover{background:rgba(255,255,255,.08);color:#fff}.sidebar a.active{background:#fff;color:#0f172a;border-color:rgba(255,255,255,.25);box-shadow:0 10px 20px rgba(0,0,0,.18)}.content{margin-left:292px;padding:26px;width:calc(100% - 292px)}.topbar{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-bottom:22px}.topbar h1{margin:0;font-size:28px;letter-spacing:-.03em}.topbar p{margin:6px 0 0;color:var(--muted)}.user-pill{display:flex;gap:10px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:999px;padding:10px 14px;box-shadow:var(--shadow);white-space:nowrap}.user-pill span{color:var(--muted)}h1{margin:0 0 18px;font-size:26px}.card{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:20px;box-shadow:var(--shadow);margin-bottom:18px}.card h2,.card h3{margin-top:0}.grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-bottom:18px}.stat{background:linear-gradient(180deg,#fff,#f8fafc);padding:20px;border-radius:18px;border:1px solid var(--line);box-shadow:var(--shadow);position:relative;overflow:hidden}.stat:after{content:"";position:absolute;right:-30px;top:-30px;width:90px;height:90px;background:rgba(37,99,235,.08);border-radius:999px}.stat h3{margin:0;color:var(--muted);font-size:13px;text-transform:uppercase;letter-spacing:.04em}.stat b{display:block;font-size:28px;margin-top:10px;letter-spacing:-.03em}.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;border:0;background:var(--primary);color:#fff;padding:10px 14px;border-radius:12px;text-decoration:none;cursor:pointer;font-weight:700;box-shadow:0 8px 16px rgba(37,99,235,.18)}.btn:hover{filter:brightness(.96)}.btn.secondary{background:#64748b}.btn.danger{background:var(--danger)}.btn.success{background:var(--success)}.table-wrap{width:100%;overflow:auto;border-radius:16px;border:1px solid var(--line)}.table{width:100%;border-collapse:separate;border-spacing:0;background:white;overflow:hidden}.table th,.table td{padding:13px 14px;border-bottom:1px solid var(--line);text-align:left;vertical-align:middle}.table th{background:#f8fafc;color:#475569;font-size:12px;text-transform:uppercase;letter-spacing:.04em;white-space:nowrap}.table tr:hover td{background:#f8fafc}.table tr:last-child td{border-bottom:0}.form{display:grid;grid-template-columns:repeat(2,1fr);gap:15px}.form label{display:block;font-size:13px;color:#475569;margin-bottom:7px;font-weight:700}.form input,.form select,.form textarea{width:100%;padding:11px 12px;border:1px solid #cbd5e1;border-radius:12px;background:#fff;outline:none}.form input:focus,.form select:focus,.form textarea:focus{border-color:#2563eb;box-shadow:0 0 0 4px rgba(37,99,235,.10)}.form textarea{min-height:96px}.full{grid-column:1/-1}.badge{display:inline-flex;align-items:center;padding:5px 10px;border-radius:999px;font-size:12px;font-weight:800;background:#e5e7eb;color:#374151}.badge-active,.badge-called{background:#dbeafe;color:#1d4ed8}.badge-overdue,.badge-no_answer{background:#fee2e2;color:#b91c1c}.badge-closed,.badge-paid{background:#dcfce7;color:#166534}.badge-due_soon,.badge-promised{background:#fef3c7;color:#92400e}.search{display:flex;gap:10px;margin-bottom:14px;align-items:center;flex-wrap:wrap}.search input,.search select{padding:11px 12px;border:1px solid #cbd5e1;border-radius:12px;min-width:260px;background:#fff}.alert{padding:12px 14px;border-radius:14px;margin-bottom:14px;border:1px solid}.alert.success{background:#ecfdf5;color:#166534;border-color:#bbf7d0}.alert.error{background:#fef2f2;color:#991b1b;border-color:#fecaca}.module-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.module-card{display:block;background:#fff;border:1px solid var(--line);border-radius:18px;padding:18px;text-decoration:none;color:var(--text);box-shadow:var(--shadow)}.module-card b{font-size:16px}.module-card span{display:block;color:var(--muted);margin-top:7px;line-height:1.45}.login-bg{min-height:100vh;display:flex;align-items:center;justify-content:center;background:radial-gradient(circle at top left,#dbeafe,transparent 30%),linear-gradient(135deg,#0f172a,#1d4ed8)}.login-card{width:min(440px,92vw);background:#fff;border-radius:24px;padding:28px;box-shadow:0 24px 70px rgba(0,0,0,.28)}.login-card h2{margin:0 0 8px;font-size:28px}.login-card p{margin:0 0 22px;color:#64748b}@media(max-width:1100px){.grid{grid-template-columns:repeat(2,1fr)}.module-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:820px){.sidebar{position:static;width:100%;height:auto}.app-shell,.layout{display:block}.content{margin-left:0;width:100%;padding:16px}.topbar{align-items:flex-start;flex-direction:column}.grid,.form,.module-grid{grid-template-columns:1fr}.user-pill{border-radius:14px}.table{font-size:13px}.sidebar{box-shadow:none}}

/* Táo Hí premium branding update */
:root{--brand-navy:#101827;--brand-navy-2:#1f293b;--brand-gold:#d6a84f;--brand-gold-2:#f5d06f;--brand-cream:#fff8e8;--primary:#b8872f;--shadow:0 14px 35px rgba(15,23,42,.10)}
.sidebar{background:radial-gradient(circle at 50% -10%,rgba(245,208,111,.20),transparent 34%),linear-gradient(180deg,#070b12 0%,#111827 48%,#1f2937 100%);border-right:1px solid rgba(245,208,111,.18)}
.brand{padding:14px 10px 22px;border-bottom:1px solid rgba(245,208,111,.20)}
.brand-logo{background:linear-gradient(135deg,var(--brand-gold-2),var(--brand-gold));box-shadow:0 12px 26px rgba(214,168,79,.25);color:#111827}
.brand-logo-img{background:#ffffff;border:1px solid rgba(245,208,111,.45);overflow:hidden;padding:3px}
.brand-logo-img img{width:100%;height:100%;object-fit:contain;display:block}
.brand b{font-size:16px;line-height:1.15;color:#fff;letter-spacing:.01em}.brand span{color:#d6a84f;font-size:11px;line-height:1.35;max-width:190px}.nav-section>span{color:#d6a84f}.sidebar a{color:#e5e7eb}.sidebar a:hover{background:rgba(214,168,79,.10);border-color:rgba(214,168,79,.12)}.sidebar a.active{background:linear-gradient(135deg,#fff8e8,#f7e3ae);color:#111827;border-color:rgba(214,168,79,.45)}
.topbar{background:linear-gradient(135deg,#fff,#fff8e8);border:1px solid rgba(214,168,79,.22);border-radius:22px;padding:18px 20px;box-shadow:var(--shadow)}.topbar h1{color:#111827}.topbar p{color:#7c5d20}.user-pill{border-color:rgba(214,168,79,.25);background:#fffdf8}.btn{background:linear-gradient(135deg,#b8872f,#d6a84f);box-shadow:0 10px 18px rgba(184,135,47,.24)}.stat:after{background:rgba(214,168,79,.10)}.card,.stat,.module-card{border-color:rgba(214,168,79,.16)}.table th{background:#fff8e8;color:#6b4d17}.badge-active,.badge-called{background:#fff2c8;color:#8a5b11}.badge-overdue,.badge-no_answer{background:#fee2e2;color:#991b1b}.badge-closed,.badge-paid{background:#dcfce7;color:#166534}.badge-due_soon,.badge-promised{background:#fef3c7;color:#92400e}
.login-bg{background:radial-gradient(circle at top left,rgba(245,208,111,.25),transparent 32%),linear-gradient(135deg,#060a11,#111827 58%,#1f2937);padding:24px}.login-wrap{width:min(1120px,96vw);display:grid;grid-template-columns:1.15fr .85fr;gap:24px;align-items:stretch}.login-hero{position:relative;min-height:560px;border-radius:30px;overflow:hidden;background:#0b1220;box-shadow:0 28px 90px rgba(0,0,0,.35);border:1px solid rgba(245,208,111,.18)}.login-hero img{width:100%;height:100%;object-fit:cover;display:block}.hero-glass{position:absolute;left:22px;right:22px;bottom:22px;border:1px solid rgba(245,208,111,.32);background:rgba(8,13,24,.72);backdrop-filter:blur(10px);border-radius:20px;padding:18px;color:#fff}.hero-glass b{display:block;font-size:20px;margin-bottom:6px;color:#f5d06f}.hero-glass span{display:block;color:#e5e7eb;line-height:1.45}.login-card{align-self:center;width:100%;border:1px solid rgba(245,208,111,.22);box-shadow:0 24px 70px rgba(0,0,0,.35)}.login-brand{color:#0f172a!important;border:0!important;padding:0!important;margin:0 0 22px!important}.login-brand .brand-logo{width:58px;height:58px;border-radius:18px}.login-brand b{color:#111827;font-size:20px}.login-brand span{color:#8a5b11;max-width:260px}.login-card h2{letter-spacing:-.03em;color:#111827}.login-card input{font-size:15px}.login-card .btn{height:46px;font-size:15px}
@media(max-width:900px){.login-wrap{grid-template-columns:1fr}.login-hero{min-height:300px}.login-hero img{object-position:center}.brand span{max-width:none}}