:root {
    --bg: #f4f7f5;
    --card: #ffffff;
    --text: #17231c;
    --muted: #617066;
    --line: #dce5dd;
    --green: #247a4b;
    --green-dark: #145a36;
    --accent: #f2b84b;
    --red: #b94141;
    --blue: #2869a8;
    --shadow: 0 18px 50px rgba(23,35,28,.08);
}
* { box-sizing: border-box; }
body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
a { color: inherit; }
.topbar {
    position: sticky;
    top: 0;
    z-index: 10;
    display: flex;
    gap: 18px;
    align-items: center;
    justify-content: space-between;
    padding: 14px clamp(16px, 4vw, 42px);
    background: rgba(255,255,255,.92);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--line);
}
.brand {
    display: inline-flex;
    gap: 12px;
    align-items: center;
    text-decoration: none;
}
.brand-mark {
    display: grid;
    place-items: center;
    width: 42px;
    height: 42px;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--green), #64a86f);
    color: #fff;
    font-weight: 900;
}
.brand strong { display: block; font-size: 18px; }
.brand small { display: block; color: var(--muted); font-size: 12px; }
.nav { display: flex; gap: 6px; flex-wrap: wrap; justify-content: center; }
.nav a {
    text-decoration: none;
    padding: 9px 12px;
    border-radius: 999px;
    color: var(--muted);
    font-weight: 700;
    font-size: 14px;
}
.nav a.active, .nav a:hover { background: #e7f1ea; color: var(--green-dark); }
.userbox { display: flex; gap: 10px; align-items: center; color: var(--muted); font-size: 14px; }
.page { width: min(1180px, calc(100% - 28px)); margin: 28px auto; }
.footer { width: min(1180px, calc(100% - 28px)); margin: 32px auto; padding: 20px 0; color: var(--muted); border-top: 1px solid var(--line); }
.hero, .panel, .login-card, .card {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 24px;
    box-shadow: var(--shadow);
}
.hero {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: clamp(22px, 4vw, 42px);
    background: radial-gradient(circle at top right, #fff4d7, transparent 32%), #fff;
}
.eyebrow { margin: 0 0 10px; color: var(--green); text-transform: uppercase; font-weight: 900; letter-spacing: .08em; font-size: 12px; }
h1 { margin: 0; font-size: clamp(30px, 5vw, 54px); line-height: 1.02; }
h2 { margin: 0 0 16px; font-size: 24px; }
p { color: var(--muted); }
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    border: 0;
    border-radius: 999px;
    padding: 0 18px;
    font-weight: 900;
    text-decoration: none;
    cursor: pointer;
}
.btn-primary { background: var(--green); color: #fff; }
.btn-primary:hover { background: var(--green-dark); }
.btn-light { background: #eef4ef; color: var(--green-dark); }
.grid.cards {
    display: grid;
    grid-template-columns: repeat(4, minmax(0,1fr));
    gap: 16px;
    margin: 18px 0;
}
.card { padding: 20px; }
.card span { color: var(--muted); font-weight: 700; }
.card strong { display: block; margin-top: 10px; font-size: 32px; }
.panel { padding: 22px; margin-top: 18px; }
.steps { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 12px; }
.steps a {
    padding: 16px;
    border: 1px solid var(--line);
    border-radius: 16px;
    text-decoration: none;
    font-weight: 800;
    background: #fbfdfb;
}
.section-head { display: flex; justify-content: space-between; align-items: end; margin-bottom: 18px; }
.section-head h1 { font-size: clamp(28px, 4vw, 42px); }
.form-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0,1fr));
    gap: 14px;
    align-items: end;
}
.form-grid .full { grid-column: 1 / -1; }
label { display: grid; gap: 7px; color: var(--muted); font-weight: 800; font-size: 14px; }
input, select {
    width: 100%;
    min-height: 42px;
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 8px 12px;
    font: inherit;
    background: #fff;
}
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; min-width: 760px; }
th, td { padding: 12px 10px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
th { color: var(--muted); font-size: 13px; text-transform: uppercase; letter-spacing: .04em; }
.badge, .status {
    display: inline-flex;
    border-radius: 999px;
    padding: 4px 9px;
    font-size: 12px;
    font-weight: 900;
}
.badge.carico, .status.ok { background: #e3f4e9; color: var(--green-dark); }
.badge.scarico, .status.red { background: #ffe7e7; color: var(--red); }
.badge.rettifica, .status.warn { background: #fff4d7; color: #896100; }
.flash {
    padding: 14px 16px;
    margin-bottom: 16px;
    border-radius: 16px;
    font-weight: 800;
}
.flash.success { background: #e3f4e9; color: var(--green-dark); }
.flash.error { background: #ffe7e7; color: var(--red); }
.flash.warning { background: #fff4d7; color: #896100; }
.login-wrap { min-height: 70vh; display: grid; place-items: center; }
.login-card { width: min(440px, 100%); padding: 28px; display: grid; gap: 16px; }
.login-card h1 { font-size: 34px; }
.login-card small { color: var(--muted); }
@media (max-width: 980px) {
    .topbar { align-items: flex-start; flex-direction: column; }
    .grid.cards, .steps, .form-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
    .hero { align-items: flex-start; flex-direction: column; }
}
@media (max-width: 640px) {
    .grid.cards, .steps, .form-grid { grid-template-columns: 1fr; }
    .userbox { width: 100%; justify-content: space-between; }
    .nav { justify-content: flex-start; }
}