/* ============================================================
   SOUTHSTUDIO Analytics — Stile dashboard
   Ispirato a Shopify Polaris: pulito, monocromatico, funzionale
   ============================================================ */

:root {
    --color-bg:         #f6f6f7;
    --color-surface:    #ffffff;
    --color-border:     #e1e3e5;
    --color-text:       #202223;
    --color-text-sub:   #6d7175;
    --color-primary:    #008060;
    --color-primary-h:  #006e52;
    --color-danger:     #d82c0d;
    --color-warning:    #916a00;
    --color-success:    #008060;
    --color-badge-bg:   #f1f8f5;
    --radius:           8px;
    --shadow:           0 1px 3px rgba(0,0,0,.08);
    --font:             -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

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

body {
    font-family: var(--font);
    font-size: 14px;
    line-height: 1.5;
    color: var(--color-text);
    background: var(--color-bg);
}

/* ---- Loading screen --------------------------------------- */
.loading-screen {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100vh;
    gap: 16px;
    color: var(--color-text-sub);
}
.spinner {
    width: 36px; height: 36px;
    border: 3px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---- Layout principale ------------------------------------ */
#app { min-height: 100vh; }

.layout {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* ---- Header ----------------------------------------------- */
.header {
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: 12px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 100;
}
.header-logo {
    font-size: 16px;
    font-weight: 700;
    letter-spacing: -0.3px;
    color: var(--color-text);
}
.header-logo span { color: var(--color-primary); }
.header-actions { display: flex; gap: 8px; align-items: center; }

/* ---- Navigazione tabs ------------------------------------- */
.tab-nav {
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: 0 24px;
    display: flex;
    gap: 0;
}
.tab-btn {
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    padding: 12px 16px;
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text-sub);
    cursor: pointer;
    transition: color .15s, border-color .15s;
    white-space: nowrap;
}
.tab-btn:hover     { color: var(--color-text); }
.tab-btn.active    { color: var(--color-primary); border-bottom-color: var(--color-primary); }

/* ---- Contenuto principale --------------------------------- */
.main-content { padding: 24px; max-width: 1400px; width: 100%; margin: 0 auto; }

/* ---- Barra filtri ----------------------------------------- */
.filters-bar {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 16px;
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: flex-end;
    margin-bottom: 20px;
}
.filter-group { display: flex; flex-direction: column; gap: 4px; }
.filter-group label {
    font-size: 12px;
    font-weight: 600;
    color: var(--color-text-sub);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.filter-group select,
.filter-group input[type="month"],
.filter-group input[type="text"] {
    border: 1px solid var(--color-border);
    border-radius: 6px;
    padding: 6px 10px;
    font-size: 14px;
    font-family: var(--font);
    color: var(--color-text);
    background: var(--color-surface);
    min-width: 160px;
    outline: none;
    transition: border-color .15s;
}
.filter-group select:focus,
.filter-group input:focus { border-color: var(--color-primary); }

/* ---- Bottoni ---------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 7px 14px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    border: 1px solid transparent;
    transition: background .15s, color .15s, border-color .15s;
    text-decoration: none;
    white-space: nowrap;
}
.btn-primary   { background: var(--color-primary); color: #fff; }
.btn-primary:hover { background: var(--color-primary-h); }
.btn-secondary { background: var(--color-surface); color: var(--color-text); border-color: var(--color-border); }
.btn-secondary:hover { background: var(--color-bg); }
.btn-sm        { padding: 5px 10px; font-size: 13px; }
.btn:disabled  { opacity: .5; cursor: default; }

/* ---- KPI Cards -------------------------------------------- */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 12px;
    margin-bottom: 24px;
}
.kpi-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 16px;
    box-shadow: var(--shadow);
}
.kpi-label {
    font-size: 12px;
    font-weight: 600;
    color: var(--color-text-sub);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 6px;
}
.kpi-value {
    font-size: 22px;
    font-weight: 700;
    letter-spacing: -0.5px;
    color: var(--color-text);
}
.kpi-value.positive { color: var(--color-success); }
.kpi-value.negative { color: var(--color-danger); }
.kpi-sub { font-size: 12px; color: var(--color-text-sub); margin-top: 2px; }

/* ---- Grafici ---------------------------------------------- */
.chart-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(480px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}
.chart-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 20px;
    box-shadow: var(--shadow);
}
.chart-card h3 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--color-text);
}
.chart-wrap { position: relative; height: 260px; }

/* ---- Tabelle ---------------------------------------------- */
.table-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    margin-bottom: 24px;
}
.table-card-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
}
.table-card-header h3 { font-size: 15px; font-weight: 600; }

.table-wrap { overflow-x: auto; }

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}
thead th {
    background: var(--color-bg);
    padding: 10px 14px;
    text-align: left;
    font-weight: 600;
    font-size: 12px;
    color: var(--color-text-sub);
    text-transform: uppercase;
    letter-spacing: 0.4px;
    border-bottom: 1px solid var(--color-border);
    white-space: nowrap;
}
tbody td {
    padding: 10px 14px;
    border-bottom: 1px solid var(--color-border);
    vertical-align: top;
    color: var(--color-text);
}
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover td { background: #fafafa; }

td.num, th.num { text-align: right; }
td.mono { font-family: 'SF Mono', 'Fira Code', monospace; font-size: 12px; }

/* ---- Badge sorgente -------------------------------------- */
.badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.3px;
    white-space: nowrap;
}
.badge-instagram_ads    { background: #fce4ec; color: #ad1457; }
.badge-instagram_organic{ background: #fce4ec; color: #ad1457; opacity: .75; }
.badge-facebook_ads     { background: #e3f2fd; color: #1565c0; }
.badge-facebook_organic { background: #e3f2fd; color: #1565c0; opacity: .75; }
.badge-google_ads       { background: #fff3e0; color: #e65100; }
.badge-google_organic   { background: #fff3e0; color: #e65100; opacity: .75; }
.badge-email            { background: #e8f5e9; color: #2e7d32; }
.badge-direct           { background: #f3f4f6; color: #374151; }
.badge-default          { background: #f3f4f6; color: #6d7175; }

/* ---- Paginazione ------------------------------------------ */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 16px;
    border-top: 1px solid var(--color-border);
}
.page-info { font-size: 13px; color: var(--color-text-sub); }

/* ---- States ----------------------------------------------- */
.empty-state {
    text-align: center;
    padding: 48px 24px;
    color: var(--color-text-sub);
}
.empty-state p { font-size: 15px; margin-top: 8px; }

.toast {
    position: fixed;
    bottom: 24px;
    right: 24px;
    background: var(--color-text);
    color: #fff;
    padding: 12px 20px;
    border-radius: var(--radius);
    font-size: 14px;
    z-index: 9999;
    box-shadow: 0 4px 12px rgba(0,0,0,.2);
    animation: slide-in .2s ease;
}
.toast.success { background: var(--color-primary); }
.toast.error   { background: var(--color-danger); }
@keyframes slide-in { from { transform: translateY(16px); opacity: 0; } }

/* ---- Responsive ------------------------------------------- */
@media (max-width: 768px) {
    .main-content { padding: 12px; }
    .chart-grid   { grid-template-columns: 1fr; }
    .kpi-grid     { grid-template-columns: repeat(2, 1fr); }
    .filters-bar  { flex-direction: column; align-items: stretch; }
}

/* ---- Custom Date Picker ----------------------------------- */
.dp-trigger {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 6px;
    padding: 6px 12px;
    font-size: 14px;
    font-family: var(--font);
    color: var(--color-text);
    cursor: pointer;
    min-width: 160px;
    text-align: left;
    transition: border-color .15s, box-shadow .15s;
}
.dp-trigger:hover  { border-color: #5b4fcf; }
.dp-trigger:focus  { outline: none; border-color: #5b4fcf; box-shadow: 0 0 0 3px rgba(91,79,207,.12); }
.dp-trigger.dp-open { border-color: #5b4fcf; }

.dp-popup {
    background: #fff;
    border: 1px solid #e8e5f5;
    border-radius: 16px;
    box-shadow: 0 12px 40px rgba(91,79,207,.15), 0 2px 8px rgba(0,0,0,.08);
    width: 296px;
    overflow: hidden;
    font-family: var(--font);
}

.dp-header {
    display: flex;
    align-items: center;
    padding: 14px 16px;
    gap: 6px;
    background: #faf9ff;
    border-bottom: 1px solid #ede9fc;
}
.dp-month-btn {
    font-size: 14px;
    font-weight: 700;
    color: #5b4fcf;
    cursor: pointer;
    padding: 3px 6px;
    border-radius: 6px;
    transition: background .12s;
    letter-spacing: -.2px;
}
.dp-year-btn {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text);
    cursor: pointer;
    padding: 3px 6px;
    border-radius: 6px;
    transition: background .12s;
}
.dp-month-btn:hover, .dp-year-btn:hover { background: #ede9fc; }
.dp-month-btn.dp-active, .dp-year-btn.dp-active { background: #ede9fc; }

.dp-nav-group { margin-left: auto; display: flex; gap: 2px; }
.dp-nav {
    width: 30px; height: 30px;
    display: flex; align-items: center; justify-content: center;
    border-radius: 50%;
    cursor: pointer;
    font-size: 18px;
    color: #9491b0;
    transition: background .12s, color .12s;
}
.dp-nav:hover { background: #ede9fc; color: #5b4fcf; }

/* Calendar grid */
.dp-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 1px;
    padding: 10px 12px 6px;
}
.dp-day-hdr {
    text-align: center;
    font-size: 11px;
    font-weight: 700;
    color: #b0adc8;
    padding: 4px 0 6px;
    text-transform: uppercase;
    letter-spacing: .4px;
}
.dp-day {
    aspect-ratio: 1;
    display: flex; align-items: center; justify-content: center;
    font-size: 13px;
    border-radius: 50%;
    cursor: pointer;
    transition: background .1s, color .1s;
    color: var(--color-text);
}
.dp-day:hover:not(.other-month) { background: #f0eeff; }
.dp-day.other-month  { color: #d0cde6; pointer-events: none; }
.dp-day.today        { font-weight: 700; color: #5b4fcf; }
.dp-day.selected     { background: #5b4fcf; color: #fff; font-weight: 700; }
.dp-day.today.selected { background: #5b4fcf; color: #fff; }

/* Month / Year list */
.dp-list {
    max-height: 252px;
    overflow-y: auto;
    padding: 6px 0;
}
.dp-list-label {
    font-size: 10px;
    font-weight: 700;
    color: #b0adc8;
    letter-spacing: 1px;
    padding: 6px 16px 4px;
    text-transform: uppercase;
}
.dp-list-item {
    padding: 9px 20px;
    cursor: pointer;
    font-size: 14px;
    color: var(--color-text);
    transition: background .1s;
}
.dp-list-item:hover   { background: #f7f5ff; }
.dp-list-item.selected {
    color: #5b4fcf;
    font-weight: 700;
    background: #f0eeff;
}

/* Footer */
.dp-footer {
    display: flex;
    gap: 8px;
    padding: 10px 14px;
    border-top: 1px solid #ede9fc;
    justify-content: flex-end;
    background: #faf9ff;
}

/* ---- Sync Progress Modal ------------------------------------ */
.sync-modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(32, 34, 35, .45);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
}
.sync-modal {
    background: #fff;
    border-radius: 16px;
    padding: 32px 36px;
    width: 340px;
    text-align: center;
    box-shadow: 0 16px 48px rgba(0,0,0,.2);
}
.sync-modal-spinner { margin-bottom: 16px; display: flex; justify-content: center; }
.sync-modal h3 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 18px;
    color: var(--color-text);
}
.sync-progress-bar {
    width: 100%;
    height: 8px;
    background: var(--color-bg);
    border-radius: 99px;
    overflow: hidden;
    margin-bottom: 12px;
}
.sync-progress-fill {
    height: 100%;
    width: 0%;
    background: var(--color-primary);
    border-radius: 99px;
    transition: width .3s ease;
}
.sync-progress-fill.indeterminate {
    width: 40% !important;
    animation: sync-indeterminate 1.2s ease-in-out infinite;
}
@keyframes sync-indeterminate {
    0%   { margin-left: -40%; }
    100% { margin-left: 100%; }
}
.sync-progress-text {
    font-size: 13px;
    color: var(--color-text-sub);
}