/* ============================================
   Intelligence - Stylesheet
   Font: DM Sans + DM Mono
   Theme: Light, ispirato a Fatture in Cloud
   ============================================ */

:root {
  --bg:          #F3F5F8;
  --bg-panel:    #FFFFFF;
  --bg-card:     #FFFFFF;
  --bg-hover:    #F1F4F8;
  --border:      #E5E9EF;
  --border-soft: #EEF1F5;

  --text:        #1E2733;
  --text-muted:  #78828F;
  --text-dim:    #A7AFB9;

  --accent:      #12A671;
  --accent-soft: rgba(18,166,113,.10);
  --accent-glow: rgba(18,166,113,.22);

  --topbar-bg:   #2563EB;

  --green:       #16A34A;
  --green-soft:  rgba(22,163,74,.10);
  --red:         #E23B3B;
  --red-soft:    rgba(226,59,59,.09);
  --yellow:      #D97706;
  --yellow-soft: rgba(217,119,6,.10);

  --radius:      8px;
  --radius-lg:   12px;
  --sidebar-w:   240px;
  --topbar-h:    60px;

  --font:        'DM Sans', sans-serif;
  --font-mono:   'DM Mono', monospace;

  --shadow:      0 1px 2px rgba(16,24,40,.06);
  --shadow-lg:   0 8px 24px rgba(16,24,40,.08);
}

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

html { font-size: 15px; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  display: flex;
  min-height: 100vh;
  overflow-x: hidden;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── Scrollbar ─────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: #D7DCE3; border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-dim); }

/* ── Sidebar ────────────────────────────── */
.sidebar {
  width: var(--sidebar-w);
  min-height: 100vh;
  background: var(--bg-panel);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  left: 0; top: 0; bottom: 0;
  z-index: 200;
  transition: transform .25s ease;
}

.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 18px;
  border-bottom: 1px solid var(--border);
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: .95rem;
  letter-spacing: .02em;
}

.logo-icon {
  color: var(--accent);
  font-size: 1.3rem;
}

.sidebar-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 1rem;
  padding: 4px;
}

.sidebar-nav {
  flex: 1;
  padding: 12px 10px;
  overflow-y: auto;
}

.nav-section {
  margin-bottom: 8px;
}

.nav-label {
  display: block;
  font-size: .68rem;
  font-weight: 600;
  letter-spacing: .09em;
  text-transform: uppercase;
  color: var(--text-dim);
  padding: 12px 10px 4px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border-radius: var(--radius);
  color: var(--text-muted);
  font-size: .88rem;
  font-weight: 400;
  transition: background .15s, color .15s;
  text-decoration: none;
  margin-bottom: 2px;
}

.nav-item:hover {
  background: var(--bg-hover);
  color: var(--text);
  text-decoration: none;
}

.nav-item.active {
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 600;
}

.nav-icon { font-size: .9rem; width: 18px; text-align: center; }

.sidebar-footer {
  padding: 14px 12px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 10px;
}

.user-avatar {
  width: 34px; height: 34px;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700;
  font-size: .85rem;
  flex-shrink: 0;
}

.user-details { flex: 1; min-width: 0; }
.user-name { display: block; font-size: .82rem; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.user-role { display: block; font-size: .72rem; color: var(--text-muted); }

.logout-btn {
  color: var(--text-muted);
  font-size: 1.1rem;
  padding: 6px;
  border-radius: 6px;
  transition: color .15s, background .15s;
  text-decoration: none;
}
.logout-btn:hover { color: var(--red); background: var(--red-soft); text-decoration: none; }

/* ── Main content ───────────────────────── */
.main-content {
  margin-left: var(--sidebar-w);
  flex: 1;
  min-width: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ── Topbar ─────────────────────────────── */
.topbar {
  height: var(--topbar-h);
  background: var(--topbar-bg);
  border-bottom: 1px solid var(--topbar-bg);
  display: flex;
  align-items: center;
  padding: 0 24px;
  gap: 16px;
  position: sticky;
  top: 0;
  z-index: 100;
}

.menu-btn {
  display: none;
  background: none;
  border: none;
  color: rgba(255,255,255,.85);
  font-size: 1.2rem;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 6px;
}
.menu-btn:hover { background: rgba(255,255,255,.15); color: #fff; }

.topbar-title {
  font-weight: 700;
  font-size: .95rem;
  flex: 1;
  color: #fff;
}

.topbar-actions { display: flex; align-items: center; gap: 10px; }

.topbar .btn-outline {
  background: rgba(255,255,255,.12);
  color: #fff;
  border-color: rgba(255,255,255,.3);
}
.topbar .btn-outline:hover { background: rgba(255,255,255,.22); color: #fff; }

/* ── Page content ───────────────────────── */
.page-content {
  padding: 28px 28px;
  flex: 1;
  min-width: 0;
}

/* ── Flash messages ─────────────────────── */
.flash {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  font-size: .88rem;
  gap: 12px;
}
.flash button { background: none; border: none; cursor: pointer; font-size: 1rem; opacity: .7; }
.flash button:hover { opacity: 1; }
.flash-success { background: var(--green-soft); color: var(--green); border-bottom: 1px solid rgba(22,163,74,.18); }
.flash-error   { background: var(--red-soft); color: var(--red); border-bottom: 1px solid rgba(226,59,59,.18); }
.flash-info    { background: var(--accent-soft); color: var(--accent); border-bottom: 1px solid var(--accent-glow); }

/* ── Cards ──────────────────────────────── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 22px;
  box-shadow: var(--shadow);
}

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

.card-title {
  font-size: .82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .07em;
  color: var(--text-muted);
}

/* ── KPI Stats ──────────────────────────── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 28px;
  min-width: 0;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px 22px;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--accent);
  opacity: .85;
}

.stat-label {
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .07em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.stat-value {
  font-size: 1.75rem;
  font-weight: 700;
  font-family: var(--font-mono);
  letter-spacing: -.02em;
  line-height: 1;
  margin-bottom: 8px;
  color: var(--text);
}

.stat-trend {
  font-size: .78rem;
  font-weight: 600;
}

.trend-up   { color: var(--green); }
.trend-down { color: var(--red); }

/* ── Tables ─────────────────────────────── */
.table-wrap {
  overflow-x: auto;
  min-width: 0;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: var(--bg-card);
  box-shadow: var(--shadow);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: .87rem;
}

thead th {
  background: #FAFBFC;
  padding: 12px 16px;
  text-align: left;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .07em;
  text-transform: uppercase;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

tbody tr {
  border-bottom: 1px solid var(--border-soft);
  transition: background .12s;
}

tbody tr:last-child { border-bottom: none; }
tbody tr:hover { background: var(--bg-hover); }

tbody td {
  padding: 13px 16px;
  vertical-align: middle;
}

/* ── Badges ─────────────────────────────── */
.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .02em;
}

.badge-green  { background: var(--green-soft); color: var(--green); }
.badge-red    { background: var(--red-soft); color: var(--red); }
.badge-blue   { background: var(--accent-soft); color: var(--accent); }
.badge-yellow { background: var(--yellow-soft); color: var(--yellow); }
.badge-gray   { background: #F0F2F5; color: var(--text-muted); }

/* ── Buttons ─────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 9px 18px;
  border-radius: var(--radius);
  font-family: var(--font);
  font-size: .87rem;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all .15s;
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  box-shadow: 0 1px 2px rgba(18,166,113,.25);
}
.btn-primary:hover { background: #0E8F60; text-decoration: none; color: #fff; }

.btn-outline {
  background: #fff;
  color: var(--text-muted);
  border-color: var(--border);
}
.btn-outline:hover { background: var(--bg-hover); color: var(--text); text-decoration: none; }

.btn-danger {
  background: var(--red-soft);
  color: var(--red);
  border-color: rgba(226,59,59,.18);
}
.btn-danger:hover { background: rgba(226,59,59,.16); text-decoration: none; color: var(--red); }

.btn-sm { padding: 6px 12px; font-size: .8rem; }
.btn-icon { padding: 8px; }

/* ── Forms ──────────────────────────────── */
.form-group { margin-bottom: 18px; }

label {
  display: block;
  font-size: .82rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 6px;
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="url"],
input[type="date"],
input[type="number"],
select,
textarea {
  width: 100%;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 10px 14px;
  color: var(--text);
  font-family: var(--font);
  font-size: .9rem;
  transition: border-color .15s, box-shadow .15s;
  outline: none;
}

input:focus, select:focus, textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2378828F' d='M6 8L1 3h10z'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 12px center; padding-right: 36px; }

textarea { resize: vertical; min-height: 90px; }

.form-hint { font-size: .78rem; color: var(--text-muted); margin-top: 5px; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

.form-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-top: 8px;
}

/* ── Page header ─────────────────────────── */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
  gap: 16px;
  flex-wrap: wrap;
}

.page-header-left h1 {
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -.02em;
  color: var(--text);
}

.page-header-left p {
  font-size: .85rem;
  color: var(--text-muted);
  margin-top: 3px;
}

/* ── Chart container ─────────────────────── */
.chart-container {
  position: relative;
  height: 260px;
}

/* ── Client cards grid ─────────────────── */
.clients-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}

.client-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 22px;
  transition: border-color .15s, transform .15s, box-shadow .15s;
  text-decoration: none;
  color: var(--text);
  display: block;
  box-shadow: var(--shadow);
}

.client-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  text-decoration: none;
  color: var(--text);
}

.client-card-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
}

.client-avatar {
  width: 44px; height: 44px;
  border-radius: 10px;
  background: var(--accent-soft);
  color: var(--accent);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.client-name { font-weight: 700; font-size: .95rem; }
.client-meta { font-size: .78rem; color: var(--text-muted); margin-top: 2px; }

.client-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
}

.client-stat-label { font-size: .72rem; color: var(--text-muted); }
.client-stat-value { font-size: .95rem; font-weight: 700; font-family: var(--font-mono); color: var(--text); }

/* ── Connection badges ──────────────────── */
.connection-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 12px; }
.conn-tag {
  font-size: .7rem;
  font-weight: 600;
  padding: 3px 9px;
  border-radius: 4px;
  background: #F0F2F5;
  color: var(--text-muted);
  letter-spacing: .03em;
}
.conn-tag.ps  { background: rgba(223,107,60,.1); color: #C05A2E; }
.conn-tag.woo { background: rgba(150,88,180,.1); color: #85479E; }
.conn-tag.ga4 { background: rgba(217,119,6,.1); color: #B7650A; }
.conn-tag.gsc { background: rgba(22,163,74,.1); color: var(--green); }

/* ── Month selector ─────────────────────── */
.period-selector {
  display: flex;
  align-items: center;
  gap: 8px;
}

.period-btn {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-muted);
  padding: 7px 14px;
  font-size: .83rem;
  font-weight: 500;
  cursor: pointer;
  font-family: var(--font);
  transition: all .15s;
}

.period-btn:hover, .period-btn.active {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--accent);
}

/* ── Filtri (form ricerca/filtro liste) ─── */
.filters-form {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: flex-end;
}

.filter-field {
  margin: 0;
  min-width: 180px;
  flex: 1 1 180px;
}

.filter-field-date {
  margin: 0;
  flex: 1 1 140px;
  max-width: 170px;
}

.filter-submit { flex-shrink: 0; }

@media (max-width: 640px) {
  .filters-form { flex-direction: column; align-items: stretch; }
  .filter-field,
  .filter-field-date {
    min-width: 0;
    max-width: none;
    width: 100%;
    flex: none;
  }
  .filter-submit { width: 100%; justify-content: center; }
}

/* ── Empty state ─────────────────────────── */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
}

.empty-icon { font-size: 2.5rem; margin-bottom: 16px; opacity: .5; }
.empty-title { font-size: 1rem; font-weight: 700; margin-bottom: 8px; color: var(--text); }
.empty-desc { font-size: .85rem; margin-bottom: 24px; }

/* ── Login page ─────────────────────────── */
.login-page {
  min-height: 100vh;
  width: 100vw;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  margin-left: 0 !important;
  position: fixed;
  top: 0; left: 0;
}

.login-box {
  width: 100%;
  max-width: 420px;
  padding: 20px;
}

.login-logo {
  text-align: center;
  margin-bottom: 28px;
}

.login-logo img {
  border-radius: 12px;
}

.login-card {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-lg);
}

.login-error {
  background: var(--red-soft);
  color: var(--red);
  border: 1px solid rgba(226,59,59,.18);
  border-radius: var(--radius);
  padding: 10px 14px;
  font-size: .85rem;
  margin-bottom: 20px;
}

/* ── Tabs ───────────────────────────────── */
.tabs { display: flex; gap: 4px; margin-bottom: 24px; border-bottom: 1px solid var(--border); }
.tab-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  font-family: var(--font);
  font-size: .88rem;
  font-weight: 600;
  padding: 10px 16px;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: color .15s, border-color .15s;
}
.tab-btn:hover { color: var(--text); }
.tab-btn.active { color: var(--accent); border-bottom-color: var(--accent); }
.tab-pane { display: none; }
.tab-pane.active { display: block; }

/* ── Responsive ─────────────────────────── */
@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
  }
  .sidebar.open {
    transform: translateX(0);
    box-shadow: var(--shadow-lg);
  }
  .sidebar-toggle { display: block; }
  .menu-btn { display: block; }
  .main-content { margin-left: 0; }
  .sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.4);
    z-index: 199;
  }
  .sidebar-overlay.show { display: block; }
  .page-content { padding: 18px 16px; }
  .form-row { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr; }
}