/* =====================================================
   DESIGN SYSTEM - SiculaIn Fedeltà
   ===================================================== */
:root {
    --bg: #f5f1ea;
    --surface: #fdfbf7;
    --surface-alt: #faf8f4;
    --ink: #100e0b;
    --ink-70: #4a453d;
    --ink-50: #7a746a;
    --ink-30: #b8b2a7;
    --line: #e6dfd2;
    --line-strong: #d4cbb9;
    --gold: #a8842e;
    --gold-soft: #f1e6cc;
    --ok: #2f6b4a;
    --ok-bg: #e6f0e9;
    --warn: #a86a12;
    --warn-bg: #fbf0dd;
    --info: #345d84;
    --info-bg: #e6eef5;
    --danger: #8f3232;
    --danger-bg: #f7e6e6;
    --r-sm: 6px;
    --r: 10px;
    --r-lg: 16px;
    --shadow-xs: 0 1px 2px rgba(16,14,11,.04);
    --shadow-sm: 0 1px 2px rgba(16,14,11,.04), 0 4px 12px rgba(16,14,11,.05);
    --shadow-md: 0 1px 2px rgba(16,14,11,.04), 0 8px 24px rgba(16,14,11,.06);
    --shadow-lg: 0 20px 60px rgba(16,14,11,.10);
    --ease: cubic-bezier(.2,.7,.2,1);
    --fast: 160ms;
    --sidebar-w: 260px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
    font-family: 'Inter', system-ui, sans-serif;
    background: var(--bg);
    color: var(--ink);
    font-size: 15px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }

/* =====================================================
   LAYOUT CLIENTE (sidebar + topbar + content)
   ===================================================== */
.app-shell {
    display: grid;
    grid-template-columns: var(--sidebar-w) 1fr;
    grid-template-rows: 64px 1fr;
    grid-template-areas:
        "sidebar topbar"
        "sidebar content";
    min-height: 100vh;
}

/* TOPBAR */
.topbar {
    grid-area: topbar;
    background: var(--surface);
    border-bottom: 1px solid var(--line);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 28px;
    gap: 16px;
    position: sticky;
    top: 0;
    z-index: 50;
}
.topbar__title {
    font-family: 'Fraunces', serif;
    font-weight: 500;
    font-size: 1.15rem;
    letter-spacing: -.01em;
}
.topbar__right {
    display: flex;
    align-items: center;
    gap: 12px;
}
.topbar__points {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: var(--gold-soft);
    border-radius: 100px;
    font-weight: 700;
    font-size: .82rem;
    color: var(--gold);
}
.topbar__avatar {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--ink), #2a241c);
    color: var(--gold-soft);
    display: grid;
    place-items: center;
    font-weight: 700;
    font-size: .9rem;
}

/* SIDEBAR */
.sidebar {
    grid-area: sidebar;
    background: var(--surface);
    border-right: 1px solid var(--line);
    padding: 22px 16px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    position: sticky;
    top: 0;
    height: 100vh;
    overflow-y: auto;
}
.sidebar__brand {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 0 8px 18px;
    border-bottom: 1px solid var(--line);
    margin-bottom: 12px;
}
.sidebar__brand img { height: 36px; width: auto; }
.sidebar__brand-text {
    font-family: 'Fraunces', serif;
    font-weight: 500;
    font-size: .95rem;
    line-height: 1.15;
}
.sidebar__section {
    font-size: .65rem;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: var(--ink-50);
    font-weight: 700;
    padding: 14px 10px 6px;
}
.sidebar__link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 11px 14px;
    border-radius: var(--r);
    color: var(--ink-70);
    font-weight: 600;
    font-size: .88rem;
    transition: all var(--fast) var(--ease);
}
.sidebar__link:hover { background: var(--bg); color: var(--ink); }
.sidebar__link.active { background: var(--ink); color: var(--gold-soft); }
.sidebar__link.active .sidebar__icon { color: var(--gold); }
.sidebar__icon { font-size: 1.1rem; width: 20px; text-align: center; }
.sidebar__link-danger { color: var(--danger); }
.sidebar__link-danger:hover { background: var(--danger-bg); }

/* CONTENT */
.content {
    grid-area: content;
    padding: 32px;
    max-width: 1200px;
}

/* =====================================================
   COMPONENTI
   ===================================================== */
.card {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--r-lg);
    padding: 26px 28px;
    margin-bottom: 20px;
    box-shadow: var(--shadow-sm);
}
.card--flat { box-shadow: none; }
.card--dark {
    background: linear-gradient(135deg, var(--ink), #2a241c);
    color: var(--gold-soft);
    border-color: transparent;
}
.card--gold {
    background: linear-gradient(135deg, var(--gold), #8a6b1f);
    color: white;
    border-color: transparent;
}
.card h1 { font-family: 'Fraunces', serif; font-weight: 500; font-size: 1.6rem; letter-spacing: -.02em; margin-bottom: 6px; }
.card h2 { font-family: 'Fraunces', serif; font-weight: 500; font-size: 1.3rem; letter-spacing: -.01em; margin-bottom: 8px; }
.card h3 { font-family: 'Fraunces', serif; font-weight: 500; font-size: 1.05rem; margin-bottom: 10px; }
.card p { color: var(--ink-50); font-size: .88rem; }
.card--dark p, .card--gold p { color: rgba(255,255,255,.75); }

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 18px;
    flex-wrap: wrap;
}

/* GRID */
.grid { display: grid; gap: 16px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-auto { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }

/* STATS */
.stat {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--r-lg);
    padding: 20px 22px;
    box-shadow: var(--shadow-xs);
}
.stat__label {
    font-size: .68rem;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: var(--ink-50);
    font-weight: 700;
    margin-bottom: 6px;
}
.stat__value {
    font-family: 'Fraunces', serif;
    font-weight: 600;
    font-size: 2rem;
    line-height: 1;
    color: var(--ink);
}
.stat__sub { font-size: .78rem; color: var(--ink-50); margin-top: 4px; }
.stat--gold .stat__value { color: var(--gold); }

/* BUTTON */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 11px 22px;
    background: var(--ink);
    color: var(--gold-soft);
    border: 1px solid var(--ink);
    border-radius: var(--r);
    font-weight: 700;
    font-size: .88rem;
    cursor: pointer;
    font-family: inherit;
    transition: all var(--fast) var(--ease);
    text-decoration: none;
    white-space: nowrap;
}
.btn:hover { background: #000; transform: translateY(-1px); box-shadow: var(--shadow-sm); }
.btn--gold { background: var(--gold); color: white; border-color: var(--gold); }
.btn--gold:hover { background: #8a6b1f; }
.btn--outline { background: var(--surface); color: var(--ink-70); border-color: var(--line); }
.btn--outline:hover { background: var(--bg); color: var(--ink); border-color: var(--gold); }
.btn--danger { background: var(--danger); color: white; border-color: var(--danger); }
.btn--danger:hover { background: #6f2525; }
.btn--block { width: 100%; }
.btn--sm { padding: 8px 16px; font-size: .8rem; }
.btn--lg { padding: 15px 32px; font-size: 1rem; }
.btn:disabled { opacity: .5; cursor: not-allowed; transform: none; }

/* FORM */
.form-group { margin-bottom: 18px; }
.form-group label {
    display: block;
    font-size: .72rem;
    font-weight: 700;
    letter-spacing: .06em;
    text-transform: uppercase;
    color: var(--ink-70);
    margin-bottom: 7px;
}
.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--line-strong);
    border-radius: var(--r);
    font-size: .92rem;
    background: var(--bg);
    color: var(--ink);
    font-family: inherit;
    transition: all var(--fast) var(--ease);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--gold);
    background: var(--surface);
    box-shadow: 0 0 0 4px var(--gold-soft);
}
.form-group small { display: block; font-size: .72rem; color: var(--ink-50); margin-top: 5px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

/* ALERT */
.alert {
    padding: 14px 20px;
    border-radius: var(--r);
    margin-bottom: 18px;
    font-size: .88rem;
    font-weight: 500;
    border: 1px solid;
    display: flex;
    align-items: center;
    gap: 12px;
}
.alert--success { background: var(--ok-bg); color: var(--ok); border-color: #cfe4d3; }
.alert--danger { background: var(--danger-bg); color: var(--danger); border-color: #f0c8c8; }
.alert--warn { background: var(--warn-bg); color: var(--warn); border-color: #f0dca0; }
.alert--info { background: var(--info-bg); color: var(--info); border-color: #c8dae8; }

/* BADGE */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 12px;
    border-radius: 100px;
    font-size: .68rem;
    font-weight: 700;
    letter-spacing: .04em;
    text-transform: uppercase;
}
.badge--base { background: var(--bg); color: var(--ink-70); }
.badge--silver { background: #e8e8e8; color: #4a453d; }
.badge--gold { background: var(--gold-soft); color: var(--gold); }
.badge--platinum { background: #e6eef5; color: #24425e; }
.badge--ok { background: var(--ok-bg); color: var(--ok); }
.badge--danger { background: var(--danger-bg); color: var(--danger); }
.badge--info { background: var(--info-bg); color: var(--info); }

/* TABLE */
.table {
    width: 100%;
    border-collapse: collapse;
    font-size: .88rem;
}
.table th {
    text-align: left;
    padding: 12px 10px;
    border-bottom: 2px solid var(--line);
    font-size: .7rem;
    text-transform: uppercase;
    letter-spacing: .08em;
    color: var(--ink-50);
    font-weight: 700;
}
.table td {
    padding: 14px 10px;
    border-bottom: 1px solid var(--line);
}
.table tr:last-child td { border-bottom: none; }
.table tr:hover td { background: var(--surface-alt); }

/* PROGRESS */
.progress {
    background: var(--bg);
    height: 10px;
    border-radius: 100px;
    overflow: hidden;
}
.progress__bar {
    background: var(--gold);
    height: 100%;
    transition: width .4s var(--ease);
}

/* EMPTY STATE */
.empty {
    text-align: center;
    padding: 48px 20px;
    color: var(--ink-50);
}
.empty__icon { font-size: 3rem; margin-bottom: 12px; opacity: .5; }
.empty h3 { font-family: 'Fraunces', serif; color: var(--ink); font-size: 1.1rem; margin-bottom: 6px; }

/* TESSERA */
.tessera {
    background: linear-gradient(135deg, var(--ink), #2a241c);
    border-radius: 20px;
    padding: 32px 28px;
    color: var(--gold-soft);
    text-align: center;
    max-width: 400px;
    margin: 0 auto;
    box-shadow: var(--shadow-lg);
}
.tessera__label {
    font-size: .62rem;
    letter-spacing: .22em;
    text-transform: uppercase;
    opacity: .65;
    margin-bottom: 6px;
}
.tessera__code {
    font-family: 'Fraunces', serif;
    font-size: 2rem;
    font-weight: 600;
    letter-spacing: .12em;
    padding: 20px 0;
    border-top: 1px solid rgba(255,255,255,.12);
    border-bottom: 1px solid rgba(255,255,255,.12);
    margin: 20px 0;
}
.tessera__footer {
    display: flex;
    justify-content: space-around;
    margin-top: 18px;
}
.tessera__stat-value {
    font-family: 'Fraunces', serif;
    font-size: 1.5rem;
    font-weight: 600;
}
.tessera__stat-label {
    font-size: .62rem;
    letter-spacing: .14em;
    text-transform: uppercase;
    opacity: .7;
}

/* RESPONSIVE */
@media (max-width: 900px) {
    .app-shell {
        grid-template-columns: 1fr;
        grid-template-rows: 64px auto 1fr;
        grid-template-areas: "topbar" "sidebar" "content";
    }
    .sidebar {
        position: static;
        height: auto;
        flex-direction: row;
        overflow-x: auto;
        padding: 12px;
        border-right: none;
        border-bottom: 1px solid var(--line);
    }
    .sidebar__brand, .sidebar__section { display: none; }
    .sidebar__link { white-space: nowrap; }
    .content { padding: 20px; }
    .grid-2, .grid-3, .grid-4, .form-row { grid-template-columns: 1fr; }
}