/* ??????????????????????????????????????????
   THEME VARIABLES — dark
   ?????????????????????????????????????????? */
:root {
    color-scheme: dark;
    --primary:        #f78b1e;
    --primary-hover:  #e07010;
    --primary-dim:    rgba(247,139,30,.15);
    --primary-border: rgba(247,139,30,.35);
    --bg:             #0d0d0d;
    --bg-gradient:    radial-gradient(ellipse at 30% 0%, rgba(247,139,30,.07) 0%, transparent 60%);
    --surface:        rgba(255,255,255,0.04);
    --surface2:       rgba(255,255,255,0.07);
    --surface-hover:  rgba(255,255,255,0.11);
    --border:         rgba(255,255,255,0.09);
    --glass-bar:      rgba(10,10,10,0.85);
    --glass-card:     rgba(255,255,255,0.05);
    --glass-border:   rgba(255,255,255,0.10);
    --glass-shine:    rgba(255,255,255,0.06);
    --glass-bg:       rgba(20,20,20,0.75);
    --text:           #eaeaea;
    --text-muted:     #9ca3af;
    --text-dim:       #64748b;
    --success:        #22c55e;
    --success-dim:    rgba(34,197,94,.15);
    --warning:        #f59e0b;
    --warning-dim:    rgba(245,158,11,.15);
    --error:          #ef4444;
    --error-dim:      rgba(239,68,68,.15);
    --info:           #38bdf8;
    --info-dim:       rgba(56,189,248,.15);
    --shadow:         rgba(0,0,0,0.60);
    --shadow-card:    0 4px 28px rgba(0,0,0,0.45);
    --sidebar-w:      220px;
    --appbar-h:       52px;
}

/* ??????????????????????????????????????????
   RESET & BASE
   ?????????????????????????????????????????? */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; font-family: Roboto, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; background: var(--bg); color: var(--text); overflow: hidden; }
a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-hover); text-decoration: underline; }

/* ??????????????????????????????????????????
   LAYOUT
   ?????????????????????????????????????????? */
.rr-layout {
    background: var(--bg);
    background-image: var(--bg-gradient);
    background-attachment: fixed;
    height: 100vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.rr-appbar {
    height: var(--appbar-h);
    background: var(--glass-bar);
    backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
    display: flex; align-items: center; justify-content: space-between;
    padding: 0 1rem; flex-shrink: 0; z-index: 100; position: relative;
}
.rr-appbar-left  { display: flex; align-items: center; gap: .75rem; }
.rr-appbar-right { display: flex; align-items: center; gap: .5rem; }

.rr-brand { font-size: 1.1rem; font-weight: 800; letter-spacing: -.5px; color: var(--text); text-decoration: none; }
.rr-brand span { color: var(--primary); }
.rr-brand:hover { text-decoration: none; color: var(--text); }

.hamburger {
    background: none; border: none; padding: .35rem; cursor: pointer;
    display: flex; flex-direction: column; gap: 5px; border-radius: 6px;
    transition: background .15s;
}
.hamburger:hover { background: var(--surface-hover); }
.hamburger span {
    display: block; width: 20px; height: 2px;
    background: var(--text-muted); border-radius: 2px;
    transition: transform .25s, opacity .25s;
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.rr-body { display: flex; flex: 1; overflow: hidden; position: relative; }

.rr-sidebar {
    width: var(--sidebar-w);
    background: var(--glass-bar);
    backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
    border-right: 1px solid var(--border);
    display: flex; flex-direction: column; flex-shrink: 0;
    overflow-y: auto; transition: transform .25s;
}

.sidebar-nav { padding: 1rem .5rem; display: flex; flex-direction: column; gap: .2rem; }
.sidebar-nav .nav-link {
    display: flex; align-items: center; gap: .65rem;
    padding: .55rem .85rem; border-radius: 8px;
    color: var(--text-muted); font-size: .875rem; font-weight: 500;
    text-decoration: none; transition: background .15s, color .15s;
}
.sidebar-nav .nav-link:hover { background: var(--surface-hover); color: var(--text); text-decoration: none; }
.sidebar-nav .nav-link.active { background: var(--primary-dim); color: var(--primary); }
.nav-icon { font-size: 1rem; opacity: .8; flex-shrink: 0; }
.nav-divider { border: none; border-top: 1px solid var(--border); margin: .5rem .85rem; }

.rr-main { flex: 1; overflow-y: auto; padding: 1.5rem; }

.sidebar-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,.5); z-index: 90; }

@media (max-width: 768px) {
    .rr-sidebar { position: fixed; top: var(--appbar-h); left: 0; bottom: 0; z-index: 95; transform: translateX(-100%); }
    .rr-sidebar.open { transform: translateX(0); }
    .sidebar-overlay { display: block; opacity: 0; pointer-events: none; transition: opacity .25s; }
    .sidebar-overlay.visible { opacity: 1; pointer-events: auto; }
    .rr-main { padding: 1rem; }
}

/* ??????????????????????????????????????????
   USER MENU
   ?????????????????????????????????????????? */
.rr-user { position: relative; }
.user-btn {
    background: var(--surface2); border: 1px solid var(--border);
    color: var(--text-muted); border-radius: 8px;
    padding: .35rem .75rem; font-size: .85rem; cursor: pointer;
    display: flex; align-items: center; gap: .4rem;
    transition: background .15s, color .15s;
}
.user-btn:hover { background: var(--surface-hover); color: var(--text); }
.chevron { font-size: .7rem; display: inline-block; transition: transform .2s; }
.chevron.up { transform: rotate(180deg); }

.user-dropdown {
    position: absolute; top: calc(100% + .4rem); right: 0;
    background: var(--glass-bg);
    backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border); border-radius: 10px;
    min-width: 170px; padding: .4rem;
    box-shadow: 0 12px 36px var(--shadow); z-index: 200;
}
.dropdown-section-label { font-size: .7rem; text-transform: uppercase; letter-spacing: .06em; color: var(--text-dim); padding: .35rem .6rem .2rem; }
.dropdown-item {
    display: block; width: 100%; text-align: left;
    padding: .45rem .75rem; border-radius: 7px; font-size: .85rem;
    color: var(--text-muted); background: transparent; border: none; cursor: pointer;
    transition: background .12s, color .12s; text-decoration: none;
}
.dropdown-item:hover { background: var(--surface-hover); color: var(--text); text-decoration: none; }
.dropdown-item.lang-active { color: var(--primary); background: var(--primary-dim); }
.dropdown-divider { border: none; border-top: 1px solid var(--border); margin: .35rem 0; }
.logout-item { color: var(--error); }
.logout-item:hover { background: var(--error-dim); color: var(--error); }

/* ??????????????????????????????????????????
   GLASSMORPHISM
   ?????????????????????????????????????????? */
.glass-card {
    background: var(--glass-card);
    backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border); border-radius: 12px;
    padding: 1.25rem; margin-bottom: 1.25rem; box-shadow: var(--shadow-card);
}

/* ??????????????????????????????????????????
   FORM INPUTS
   ?????????????????????????????????????????? */
.form-input {
    padding: .6rem .9rem; border-radius: 8px; border: 1px solid var(--border);
    background: var(--surface2); color: var(--text); font-size: .9rem; width: 100%;
    transition: border-color .15s, box-shadow .15s;
}
.form-input:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-dim); }
.form-input::placeholder { color: var(--text-dim); }
.form-group { display: flex; flex-direction: column; gap: .35rem; }
.form-group label { font-size: .8rem; font-weight: 500; color: var(--text-muted); letter-spacing: .02em; }
.form-row { display: flex; gap: .75rem; }
.form-row .form-group { flex: 1; }
.input-error { border-color: var(--error) !important; }

/* ??????????????????????????????????????????
   BUTTONS
   ?????????????????????????????????????????? */
.btn-primary {
    display: inline-flex; align-items: center; gap: .4rem;
    padding: .6rem 1.25rem; border-radius: 8px;
    background: var(--primary); color: #fff; font-size: .875rem; font-weight: 600;
    border: none; cursor: pointer; text-decoration: none;
    transition: background .15s, box-shadow .15s; box-shadow: 0 2px 8px var(--primary-dim);
}
.btn-primary:hover:not(:disabled) { background: var(--primary-hover); box-shadow: 0 4px 14px rgba(247,139,30,.35); color: #fff; text-decoration: none; }
.btn-primary:disabled { opacity: .5; cursor: not-allowed; }

.btn-secondary {
    display: inline-flex; align-items: center; gap: .4rem;
    padding: .6rem 1.25rem; border-radius: 8px;
    background: var(--surface2); color: var(--text-muted); font-size: .875rem; font-weight: 500;
    border: 1px solid var(--border); cursor: pointer; text-decoration: none;
    transition: background .15s, color .15s;
}
.btn-secondary:hover { background: var(--surface-hover); color: var(--text); text-decoration: none; }

.btn-auth {
    width: 100%; padding: .8rem; border-radius: 10px; border: none;
    background: var(--primary); color: #fff; font-size: 1rem; font-weight: 700;
    cursor: pointer; display: flex; align-items: center; justify-content: center; gap: .5rem;
    transition: background .2s, box-shadow .2s; box-shadow: 0 4px 14px var(--primary-dim);
}
.btn-auth:hover:not(:disabled) { background: var(--primary-hover); box-shadow: 0 6px 20px rgba(247,139,30,.4); }
.btn-auth:disabled { opacity: .6; box-shadow: none; }

.btn-sm-danger {
    padding: .35rem .8rem; border-radius: 6px; background: var(--error-dim); color: var(--error);
    border: 1px solid rgba(239,68,68,.25); cursor: pointer; font-size: .82rem; font-weight: 500;
    display: inline-flex; align-items: center; gap: .3rem; transition: background .15s;
}
.btn-sm-danger:hover { background: rgba(239,68,68,.25); }
.btn-sm-success {
    padding: .35rem .8rem; border-radius: 6px; background: var(--success-dim); color: var(--success);
    border: 1px solid rgba(34,197,94,.25); cursor: pointer; font-size: .82rem; font-weight: 500;
    display: inline-flex; align-items: center; gap: .3rem; transition: background .15s;
}
.btn-sm-success:hover { background: rgba(34,197,94,.25); }
.btn-sm-info {
    padding: .35rem .8rem; border-radius: 6px; background: var(--info-dim); color: var(--info);
    border: 1px solid rgba(56,189,248,.25); cursor: pointer; font-size: .82rem; font-weight: 500;
    display: inline-flex; align-items: center; gap: .3rem; transition: background .15s;
}

/* ??????????????????????????????????????????
   SPINNER
   ?????????????????????????????????????????? */
.spinner {
    width: 14px; height: 14px; border: 2px solid rgba(255,255,255,.3); border-top-color: #fff;
    border-radius: 50%; animation: spin .7s linear infinite; display: inline-block; vertical-align: middle;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ??????????????????????????????????????????
   ALERTS
   ?????????????????????????????????????????? */
.alert { padding: .7rem 1rem; border-radius: 8px; margin-bottom: 1rem; font-size: .875rem; }
.alert-info    { background: var(--info-dim);    border: 1px solid rgba(56,189,248,.25);  color: var(--info); }
.alert-warning { background: var(--warning-dim); border: 1px solid rgba(245,158,11,.25); color: var(--warning); }
.alert-error   { background: var(--error-dim);   border: 1px solid rgba(239,68,68,.25);  color: var(--error); }
.alert-success { background: var(--success-dim); border: 1px solid rgba(34,197,94,.25);  color: var(--success); }

/* ??????????????????????????????????????????
   AUTH PAGES
   ?????????????????????????????????????????? */
.auth-wrapper {
    display: flex; align-items: center; justify-content: center;
    min-height: 100vh; padding: 1rem;
    background: var(--bg); background-image: var(--bg-gradient);
}
.auth-card {
    background: var(--glass-card);
    backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border); border-radius: 18px;
    padding: 2.5rem 2rem; width: 100%; max-width: 420px;
    box-shadow: 0 20px 60px var(--shadow);
}
.auth-logo { text-align: center; margin-bottom: 1.75rem; }
.logo-text { font-size: 2rem; font-weight: 800; letter-spacing: -1px; color: var(--text); }
.logo-accent { color: var(--primary); }
.auth-tabs {
    display: flex; background: var(--surface2); border-radius: 10px;
    padding: 4px; margin-bottom: 1.5rem; border: 1px solid var(--border);
}
.tab-btn {
    flex: 1; padding: .55rem; border-radius: 7px; font-size: .9rem; font-weight: 600;
    background: transparent; color: var(--text-dim); border: none; cursor: pointer;
    transition: background .2s, color .2s;
}
.tab-btn.active { background: var(--primary); color: #fff; box-shadow: 0 2px 8px var(--primary-dim); }
.tab-btn:not(.active):hover { color: var(--text-muted); background: var(--surface-hover); }
.auth-form { display: flex; flex-direction: column; gap: 1rem; }
.pending-state { text-align: center; padding: 1rem 0; }
.pending-icon { font-size: 2.5rem; margin-bottom: .75rem; }
.pending-title { font-size: 1.1rem; font-weight: 700; margin-bottom: .5rem; }
.pending-sub { font-size: .875rem; color: var(--text-muted); line-height: 1.5; margin-bottom: 1.25rem; }
.link-back { font-size: .875rem; color: var(--primary); text-decoration: none; }
.link-back:hover { text-decoration: underline; }
.verify-email { font-size: .9rem; color: var(--text-muted); margin-bottom: 1rem; text-align: center; }
.code-input { font-size: 2rem; letter-spacing: .5rem; text-align: center; padding: .75rem; }
.verify-note { font-size: .8rem; color: var(--text-dim); text-align: center; margin-top: 1rem; }
.verify-back { text-align: center; margin-top: .5rem; }

/* ??????????????????????????????????????????
   PAGE HEADER
   ?????????????????????????????????????????? */
.rr-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1.5rem; flex-wrap: wrap; gap: .5rem; }
.rr-header h1 { font-size: 1.35rem; font-weight: 700; letter-spacing: -.5px; margin: 0; }

/* ??????????????????????????????????????????
   STAT CARDS
   ?????????????????????????????????????????? */
.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: .85rem; margin-bottom: 1.5rem; }
.stat-card {
    background: var(--glass-card);
    backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border); border-radius: 12px;
    padding: 1.1rem 1.25rem; box-shadow: var(--shadow-card); text-align: center;
}
.stat-value { display: block; font-size: 1.75rem; font-weight: 700; color: var(--primary); }
.stat-label { font-size: .72rem; color: var(--text-dim); text-transform: uppercase; letter-spacing: .05em; }
.stat-card.today .stat-value { color: var(--info); }

/* ??????????????????????????????????????????
   TABLES
   ?????????????????????????????????????????? */
.rr-table-wrap { overflow-x: auto; border-radius: 12px; border: 1px solid var(--border); }
.rr-table { width: 100%; border-collapse: collapse; font-size: .875rem; }
.rr-table th {
    background: var(--surface2); color: var(--text-dim); font-size: .72rem;
    text-transform: uppercase; letter-spacing: .06em;
    padding: .65rem 1rem; text-align: left; border-bottom: 1px solid var(--border); white-space: nowrap;
}
.rr-table td { padding: .7rem 1rem; border-bottom: 1px solid var(--border); color: var(--text-muted); vertical-align: middle; }
.rr-table tr:last-child td { border-bottom: none; }
.rr-table tr:hover td { background: var(--surface-hover); }

/* ??????????????????????????????????????????
   BADGES
   ?????????????????????????????????????????? */
.badge { font-size: .7rem; padding: .15rem .5rem; border-radius: 999px; font-weight: 600; text-transform: uppercase; letter-spacing: .04em; }
.badge-primary { background: var(--primary-dim);  color: var(--primary); }
.badge-success { background: var(--success-dim);  color: var(--success); }
.badge-warning { background: var(--warning-dim);  color: var(--warning); }
.badge-error   { background: var(--error-dim);    color: var(--error); }
.badge-muted   { background: var(--surface2);     color: var(--text-dim); }
.badge-info    { background: var(--info-dim);     color: var(--info); }

/* ??????????????????????????????????????????
   FILTERS / SELECTS
   ?????????????????????????????????????????? */
.rr-filters { display: flex; gap: .5rem; flex-wrap: wrap; margin-bottom: 1rem; align-items: center; }
.rr-select {
    background: var(--surface2); border: 1px solid var(--border); color: var(--text);
    border-radius: 8px; padding: .4rem .75rem; font-size: .875rem;
}
.rr-select:focus { outline: none; border-color: var(--primary); }
.rr-select option { background: #1c1c1e; color: var(--text); }

/* ??????????????????????????????????????????
   PAGINATION
   ?????????????????????????????????????????? */
.pagination { display: flex; align-items: center; justify-content: center; gap: .75rem; margin: 1.5rem 0; }
.btn-page {
    padding: .4rem .9rem; border-radius: 8px; background: var(--surface2); border: 1px solid var(--border);
    color: var(--text-muted); cursor: pointer; font-size: .85rem; transition: background .15s, color .15s;
}
.btn-page:hover:not(:disabled) { background: var(--primary-dim); color: var(--primary); border-color: var(--primary-border); }
.btn-page:disabled { opacity: .4; cursor: not-allowed; }
.page-info { font-size: .85rem; color: var(--text-dim); }

/* ??????????????????????????????????????????
   ERROR / ACCESS DENIED
   ?????????????????????????????????????????? */
.error-page-wrapper { display: flex; align-items: center; justify-content: center; min-height: 60vh; padding: 2rem; }
.error-card { max-width: 520px; width: 100%; text-align: center; padding: 2.5rem 2rem; }
.error-icon { font-size: 3rem; margin-bottom: 1rem; }
.error-title { font-size: 1.5rem; font-weight: 700; margin: 0 0 .6rem; }
.error-subtitle { font-size: .9rem; color: var(--text-muted); margin: 0 0 1.5rem; line-height: 1.6; }

/* ??????????????????????????????????????????
   USER CARDS (gestione utenti)
   ?????????????????????????????????????????? */
.user-list { display: flex; flex-direction: column; gap: .85rem; }
.user-card {
    background: var(--glass-card);
    backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
    border: 1px solid var(--glass-border); border-radius: 14px;
    padding: 1.1rem 1.4rem; box-shadow: var(--shadow-card);
    display: grid; grid-template-columns: auto 1fr; gap: 0 1rem; align-items: start;
    transition: border-color .2s;
}
.user-card:hover { border-color: var(--primary-border); }
.user-avatar {
    width: 42px; height: 42px; border-radius: 50%;
    background: var(--primary-dim); border: 2px solid var(--primary-border);
    display: flex; align-items: center; justify-content: center;
    font-size: .85rem; font-weight: 700; color: var(--primary);
    flex-shrink: 0; margin-top: 2px; text-transform: uppercase;
}
.user-body { display: flex; flex-direction: column; gap: .4rem; }
.user-row1 { display: flex; align-items: center; gap: .6rem; flex-wrap: wrap; }
.user-name  { font-weight: 700; font-size: 1rem; }
.user-role  { font-size: .7rem; padding: .15rem .5rem; border-radius: 4px; text-transform: uppercase; letter-spacing: .05em; font-weight: 600; }
.role-admin { background: var(--primary-dim); color: var(--primary); border: 1px solid var(--primary-border); }
.role-user  { background: var(--surface2); color: var(--text-muted); border: 1px solid var(--border); }
.user-email { color: var(--text-muted); font-size: .875rem; }
.user-actions { display: flex; gap: .5rem; flex-wrap: wrap; margin-top: .6rem; padding-top: .6rem; border-top: 1px solid var(--border); }

/* ??????????????????????????????????????????
   CONFIRM MODAL
   ?????????????????????????????????????????? */
.confirm-overlay {
    position: fixed; inset: 0; background: rgba(0,0,0,0.55);
    backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
    display: flex; align-items: center; justify-content: center; z-index: 500;
}
.confirm-box {
    background: var(--glass-bg);
    backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border); border-radius: 16px;
    padding: 1.75rem 2rem; max-width: 420px; width: 90%;
    text-align: center; box-shadow: 0 20px 60px var(--shadow);
}
.confirm-box p { font-size: .95rem; color: var(--text); line-height: 1.5; margin-bottom: 1.5rem; }
.confirm-actions { display: flex; gap: .75rem; justify-content: center; }

/* ??????????????????????????????????????????
   DETAIL PAGE
   ?????????????????????????????????????????? */
.detail-meta { display: flex; gap: .4rem; align-items: center; flex-wrap: wrap; margin-bottom: 1.25rem; }
.detail-section { margin-bottom: 1.25rem; }
.detail-label { font-size: .72rem; color: var(--text-dim); text-transform: uppercase; letter-spacing: .05em; display: block; margin-bottom: .4rem; }
.detail-value { color: var(--text-muted); font-size: .9rem; word-break: break-all; }
.monospace { font-family: monospace; font-size: .8rem; }

@keyframes fadeIn  { from { opacity: 0; } to { opacity: 1; } }
@keyframes slideUp { from { transform: translateY(12px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }