/* ── RESET & VARIABLES ─────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:        #0e0f11;
  --bg2:       #161719;
  --bg3:       #1e2023;
  --border:    #2a2c30;
  --text:      #e8e9eb;
  --muted:     #7a7d85;
  --accent:    #f0b429;
  --accent2:   #3dd68c;
  --danger:    #f87171;
  --radius:    6px;
  --sidebar-w: 220px;
  --mono:      'DM Mono', monospace;
  --sans:      'Syne', sans-serif;
}

html, body { height: 100%; background: var(--bg); color: var(--text); font-family: var(--sans); font-size: 14px; }
#app { height: 100%; }

.hidden { display: none !important; }
.err-msg { color: var(--danger); font-size: 12px; margin-top: 8px; min-height: 18px; }

/* ── SCROLLBAR ─────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg2); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }

/* ── LOGIN ─────────────────────────────────────────── */
.login-screen {
  display: flex; align-items: center; justify-content: center;
  height: 100%;
  background: var(--bg);
  background-image:
    repeating-linear-gradient(0deg,   transparent, transparent 39px, var(--border) 39px, var(--border) 40px),
    repeating-linear-gradient(90deg,  transparent, transparent 39px, var(--border) 39px, var(--border) 40px);
}
.login-box {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px;
  width: 340px;
  display: flex; flex-direction: column; gap: 16px;
  box-shadow: 0 0 60px rgba(240,180,41,.07);
}
.login-logo {
  width: 48px; height: 48px;
  background: var(--accent);
  color: var(--bg);
  font-family: var(--sans);
  font-weight: 800;
  font-size: 18px;
  border-radius: 4px;
  display: grid; place-items: center;
}
.login-box h1 { font-size: 22px; font-weight: 700; }
.login-box input {
  background: var(--bg3); border: 1px solid var(--border);
  color: var(--text); border-radius: var(--radius);
  padding: 10px 14px; font-family: var(--sans); font-size: 14px;
  outline: none; transition: border-color .2s;
}
.login-box input:focus { border-color: var(--accent); }

/* ── MAIN LAYOUT ───────────────────────────────────── */
#main-app { display: flex; height: 100%; }

/* ── SIDEBAR ───────────────────────────────────────── */
#sidebar {
  width: var(--sidebar-w); flex-shrink: 0;
  background: var(--bg2);
  border-right: 1px solid var(--border);
  display: flex; flex-direction: column;
  padding: 0;
}
.sidebar-brand {
  display: flex; align-items: center; gap: 12px;
  padding: 24px 20px;
  border-bottom: 1px solid var(--border);
}
.brand-icon {
  width: 36px; height: 36px; background: var(--accent);
  color: var(--bg); font-weight: 800; font-size: 13px;
  border-radius: 4px; display: grid; place-items: center; flex-shrink: 0;
}
.brand-text { font-size: 13px; font-weight: 700; line-height: 1.3; }

.nav-links { list-style: none; padding: 16px 0; flex: 1; }
.nav-links a {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 20px; color: var(--muted);
  text-decoration: none; font-size: 13px; font-weight: 600;
  transition: color .15s, background .15s;
  border-left: 3px solid transparent;
}
.nav-links a:hover  { color: var(--text); background: var(--bg3); }
.nav-links a.active { color: var(--accent); border-left-color: var(--accent); background: var(--bg3); }
.nav-icon { font-style: normal; width: 18px; text-align: center; }

.sidebar-footer { padding: 20px; border-top: 1px solid var(--border); }
#logout-btn { width: 100%; background: transparent; border: 1px solid var(--border); color: var(--muted); padding: 8px; border-radius: var(--radius); cursor: pointer; font-family: var(--sans); font-size: 12px; transition: all .2s; }
#logout-btn:hover { border-color: var(--danger); color: var(--danger); }

/* ── CONTENT ───────────────────────────────────────── */
#content { flex: 1; overflow-y: auto; padding: 32px; }

.view-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 28px; gap: 16px;
}
.view-header h2 { font-size: 24px; font-weight: 800; }
.view-header select { background: var(--bg2); border: 1px solid var(--border); color: var(--text); padding: 7px 12px; border-radius: var(--radius); font-family: var(--sans); font-size: 13px; outline: none; cursor: pointer; }

/* ── KPI CARDS ─────────────────────────────────────── */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px; margin-bottom: 24px;
}
.kpi-card {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 20px;
}
.kpi-label { font-size: 11px; font-weight: 700; color: var(--muted); text-transform: uppercase; letter-spacing: .08em; margin-bottom: 8px; }
.kpi-value { font-family: var(--mono); font-size: 26px; color: var(--accent); font-weight: 500; }

/* ── CHARTS ────────────────────────────────────────── */
.charts-row { display: flex; gap: 16px; margin-bottom: 20px; flex-wrap: wrap; }
.chart-card {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 20px; flex: 1; min-width: 280px;
}
.chart-card.wide { flex-basis: 100%; }
.chart-title { font-size: 12px; font-weight: 700; color: var(--muted); text-transform: uppercase; letter-spacing: .08em; margin-bottom: 16px; }

/* ── FILTER BAR ────────────────────────────────────── */
.filter-bar {
  display: flex; flex-wrap: wrap; gap: 10px;
  margin-bottom: 16px; align-items: center;
}
.filter-bar select, .filter-bar input {
  background: var(--bg2); border: 1px solid var(--border);
  color: var(--text); padding: 7px 10px; border-radius: var(--radius);
  font-family: var(--sans); font-size: 13px; outline: none; min-width: 140px;
}
.table-summary { font-family: var(--mono); font-size: 13px; color: var(--muted); margin-bottom: 10px; }

/* ── BUTTONS ───────────────────────────────────────── */
.btn-primary {
  background: var(--accent); color: var(--bg); border: none;
  padding: 8px 18px; border-radius: var(--radius); cursor: pointer;
  font-family: var(--sans); font-weight: 700; font-size: 13px;
  transition: opacity .15s;
}
.btn-primary:hover { opacity: .85; }
.btn-ghost {
  background: transparent; color: var(--muted);
  border: 1px solid var(--border); padding: 8px 18px;
  border-radius: var(--radius); cursor: pointer;
  font-family: var(--sans); font-size: 13px; transition: all .2s;
}
.btn-ghost:hover { color: var(--text); border-color: var(--text); }
.btn-icon {
  background: transparent; border: none; cursor: pointer;
  color: var(--muted); font-size: 14px; padding: 4px 8px;
  border-radius: 4px; transition: color .15s;
}
.btn-icon:hover { color: var(--accent); }
.btn-icon.del:hover { color: var(--danger); }

/* ── TABLES ────────────────────────────────────────── */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
thead tr { border-bottom: 2px solid var(--border); }
th {
  text-align: left; padding: 10px 12px;
  font-size: 11px; font-weight: 700; text-transform: uppercase;
  letter-spacing: .06em; color: var(--muted); white-space: nowrap;
}
th.num { text-align: right; }
td {
  padding: 10px 12px; border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
td.num { text-align: right; font-family: var(--mono); }
tbody tr:hover { background: var(--bg3); }

.badge {
  display: inline-block; padding: 2px 8px; border-radius: 20px;
  font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .04em;
}
.badge-ordine       { background: rgba(61,214,140,.15); color: var(--accent2); }
.badge-nota-credito { background: rgba(248,113,113,.15); color: var(--danger); }

/* ── FORM ──────────────────────────────────────────── */
.form-card {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 28px; max-width: 680px;
}
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label { font-size: 11px; font-weight: 700; color: var(--muted); text-transform: uppercase; letter-spacing: .06em; }
.form-group input,
.form-group select {
  background: var(--bg3); border: 1px solid var(--border);
  color: var(--text); padding: 10px 12px;
  border-radius: var(--radius); font-family: var(--sans); font-size: 14px;
  outline: none; transition: border-color .2s;
}
.form-group input:focus,
.form-group select:focus { border-color: var(--accent); }
.form-actions { display: flex; gap: 12px; margin-top: 24px; }

/* ── MODAL ─────────────────────────────────────────── */
#modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.65); backdrop-filter: blur(4px);
  display: flex; align-items: center; justify-content: center; z-index: 100;
}
.modal {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 28px; min-width: 360px; max-width: 480px; width: 90%;
}
.modal h3 { font-size: 17px; font-weight: 700; margin-bottom: 20px; }
.modal-actions { display: flex; gap: 12px; margin-top: 20px; }
.modal .form-group { margin-bottom: 14px; }
.modal input {
  width: 100%; background: var(--bg3); border: 1px solid var(--border);
  color: var(--text); padding: 10px 12px; border-radius: var(--radius);
  font-family: var(--sans); font-size: 14px; outline: none;
}
.modal input:focus { border-color: var(--accent); }

/* ── TOAST ─────────────────────────────────────────── */
#toast-container {
  position: fixed; bottom: 24px; right: 24px;
  display: flex; flex-direction: column; gap: 8px;
  z-index: 500; pointer-events: none;
}
.toast {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 12px 18px;
  font-size: 13px; min-width: 220px; max-width: 340px;
  box-shadow: 0 4px 20px rgba(0,0,0,.4);
  opacity: 0; transform: translateY(8px);
  transition: opacity .25s, transform .25s;
  pointer-events: auto;
  display: flex; align-items: center; gap: 10px;
}
.toast.show   { opacity: 1; transform: translateY(0); }
.toast.hide   { opacity: 0; transform: translateY(8px); }
.toast-ok     { border-left: 3px solid var(--accent2); }
.toast-err    { border-left: 3px solid var(--danger); }
.toast-info   { border-left: 3px solid var(--accent); }
.toast-icon   { font-size: 16px; flex-shrink: 0; }

/* ── SPINNER ───────────────────────────────────────── */
#spinner-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.45); backdrop-filter: blur(2px);
  display: flex; align-items: center; justify-content: center;
  z-index: 400;
}
.spinner {
  width: 40px; height: 40px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin .7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── CONFIRM MODAL ─────────────────────────────────── */
.modal-sm { max-width: 360px; }
.btn-danger {
  background: var(--danger); color: #fff; border: none;
  padding: 8px 18px; border-radius: var(--radius); cursor: pointer;
  font-family: var(--sans); font-weight: 700; font-size: 13px;
  transition: opacity .15s;
}
.btn-danger:hover { opacity: .85; }

/* ── BACK BUTTON ───────────────────────────────────── */
.btn-back { padding: 6px 12px; font-size: 13px; }

/* ── LINK STYLE IN TABLE ───────────────────────────── */
.link-cell {
  cursor: pointer; color: var(--text);
  text-decoration: underline; text-decoration-color: var(--border);
  text-underline-offset: 3px; transition: color .15s;
}
.link-cell:hover { color: var(--accent); }

/* ── DETTAGLIO KPIS ────────────────────────────────── */
.kpi-card.accent2 .kpi-value { color: var(--accent2); }

/* ── CONFIRM OVERLAY (centrato a schermo) ──────────── */
#confirm-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.65); backdrop-filter: blur(4px);
  display: flex; align-items: center; justify-content: center;
  z-index: 200;
}

/* ── DATA FONT ─────────────────────────────────────── */
td.td-date { font-family: Arial, sans-serif; }