:root {
    --ik-primary: #2E8B57;
    --ik-secondary: #FFB84C;
    --ik-accent: #FF7043;
    --ik-bg: #FFFFFF;
    --ik-text: #26332B;
    --ik-muted: #6b7a72;
    --ik-border: #e3e8e5;
    --ik-danger: #d64545;
    --ik-success: #2e8b57;
    --ik-warning: #d68a1e;
    --ik-radius: 14px;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
    font-family: 'Tahoma', 'Segoe UI', system-ui, sans-serif;
    background: var(--ik-bg);
    color: var(--ik-text);
    line-height: 1.7;
}
a { color: inherit; text-decoration: none; }
.container { max-width: 1140px; margin: 0 auto; padding: 0 20px; }

/* ===== Header ===== */
.site-header { border-bottom: 1px solid var(--ik-border); background: #fff; position: sticky; top: 0; z-index: 50; }
.nav-wrap { display: flex; align-items: center; justify-content: space-between; padding: 14px 20px; gap: 20px; flex-wrap: wrap; }
.brand { font-weight: 800; font-size: 1.3rem; color: var(--ik-primary); }
.main-nav { display: flex; gap: 18px; flex-wrap: wrap; }
.main-nav a { font-weight: 600; color: var(--ik-text); }
.main-nav a:hover { color: var(--ik-primary); }
.nav-actions { display: flex; gap: 10px; }

/* ===== Buttons ===== */
.btn { display: inline-block; padding: 10px 22px; border-radius: 999px; font-weight: 700; cursor: pointer; border: 2px solid transparent; transition: .15s; }
.btn-primary { background: var(--ik-primary); color: #fff; }
.btn-primary:hover { opacity: .9; }
.btn-outline { border-color: var(--ik-primary); color: var(--ik-primary); }
.btn-outline:hover { background: var(--ik-primary); color: #fff; }
.btn-danger { background: var(--ik-danger); color: #fff; }
.btn-secondary { background: var(--ik-secondary); color: #402d00; }
.btn-sm { padding: 6px 14px; font-size: .85rem; }
button.btn { font-family: inherit; font-size: 1rem; }

/* ===== Alerts ===== */
.alert { padding: 14px 18px; border-radius: var(--ik-radius); margin: 16px 0; font-weight: 600; }
.alert-success { background: #e7f6ec; color: #1c6b3d; border: 1px solid #b7e3c6; }
.alert-danger { background: #fdeceb; color: #a32e2e; border: 1px solid #f3c3c1; }
.alert-info { background: #eaf3fb; color: #1f5c8a; border: 1px solid #c6dff2; }
.alert-warning { background: #fff6e3; color: #8a5e10; border: 1px solid #f2dba6; }

/* ===== Hero ===== */
.hero { text-align: center; padding: 70px 0 40px; }
.hero h1 { font-size: 2.4rem; color: var(--ik-primary); margin-bottom: 10px; }
.hero p { font-size: 1.15rem; color: var(--ik-muted); max-width: 640px; margin: 0 auto 26px; }

/* ===== Cards / Grid ===== */
.grid { display: grid; gap: 22px; }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }
.card { background: #fff; border: 1px solid var(--ik-border); border-radius: var(--ik-radius); padding: 24px; }
.card h3 { color: var(--ik-primary); margin-top: 0; }
.section { padding: 40px 0; }
.section-title { text-align: center; font-size: 1.7rem; margin-bottom: 30px; color: var(--ik-primary); }

/* ===== Forms ===== */
.form-group { margin-bottom: 16px; }
label { display: block; font-weight: 700; margin-bottom: 6px; }
input[type=text], input[type=tel], input[type=password], input[type=email], input[type=date], input[type=time],
input[type=number], textarea, select {
    width: 100%; padding: 11px 14px; border-radius: 10px; border: 1.5px solid var(--ik-border); font-size: 1rem; font-family: inherit;
}
input:focus, textarea:focus, select:focus { outline: none; border-color: var(--ik-primary); }
.form-card { max-width: 460px; margin: 40px auto; background: #fff; border: 1px solid var(--ik-border); border-radius: var(--ik-radius); padding: 34px; }
.form-errors { background: #fdeceb; border: 1px solid #f3c3c1; color: #a32e2e; padding: 12px 16px; border-radius: 10px; margin-bottom: 16px; }
.checkbox-row { display: flex; align-items: flex-start; gap: 8px; }
.checkbox-row input { width: auto; margin-top: 4px; }

/* ===== Tables ===== */
table { width: 100%; border-collapse: collapse; background: #fff; }
th, td { padding: 10px 12px; border-bottom: 1px solid var(--ik-border); text-align: right; }
th { background: #f7faf8; font-weight: 700; }
.table-wrap { overflow-x: auto; border: 1px solid var(--ik-border); border-radius: var(--ik-radius); }

/* ===== Badges ===== */
.badge { display: inline-block; padding: 3px 12px; border-radius: 999px; font-size: .8rem; font-weight: 700; }
.badge-new, .badge-pending_review { background: #fff6e3; color: #8a5e10; }
.badge-active, .badge-accepted, .badge-approved, .badge-paid, .badge-completed { background: #e7f6ec; color: #1c6b3d; }
.badge-frozen { background: #eaf3fb; color: #1f5c8a; }
.badge-expired, .badge-cancelled, .badge-rejected { background: #f1f1f1; color: #555; }

/* ===== Admin layout ===== */
.admin-wrap { display: flex; min-height: 100vh; }
.admin-sidebar { width: 250px; background: #1d2a22; color: #fff; padding: 20px 0; flex-shrink: 0; }
.admin-sidebar a { display: block; padding: 10px 22px; color: #cfe3d6; font-weight: 600; }
.admin-sidebar a:hover, .admin-sidebar a.active { background: rgba(255,255,255,.08); color: #fff; }
.admin-sidebar .brand { color: #fff; display: block; padding: 0 22px 20px; font-size: 1.2rem; }
.admin-main { flex: 1; padding: 26px 30px; background: #f5f7f6; }
.admin-topbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; }
.stat-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 16px; margin-bottom: 24px; }
.stat-card { background: #fff; border-radius: var(--ik-radius); padding: 18px 20px; border: 1px solid var(--ik-border); }
.stat-card .num { font-size: 1.8rem; font-weight: 800; color: var(--ik-primary); }
.stat-card .label { color: var(--ik-muted); font-size: .9rem; }

@media (max-width: 900px) {
    .admin-wrap { flex-direction: column; }
    .admin-sidebar { width: 100%; }
}

/* ===== Footer ===== */
.site-footer { border-top: 1px solid var(--ik-border); padding: 24px 0; margin-top: 40px; color: var(--ik-muted); }
.footer-wrap { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; }
.footer-links a { margin-inline-start: 16px; }

/* ===== Print ===== */
@media print {
    .no-print { display: none !important; }
}

/* QR scan page */
#qr-reader { max-width: 420px; margin: 0 auto; }
.scan-result { text-align: center; font-size: 1.4rem; font-weight: 800; padding: 20px; border-radius: var(--ik-radius); margin-top: 16px; }