/**
 * VerdeMed Fatturazione - Tema Chiaro
 * CSS condiviso per tutte le pagine
 * Versione: 1.0
 */

/* ===== RESET E VARIABILI ===== */
* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
    /* Colori sfondo */
    --bg: #f8fafc;
    --bg2: #ffffff;
    --bg3: #e2e8f0;
    
    /* Bordi */
    --border: #cbd5e1;
    
    /* Testo */
    --text: #1e293b;
    --text2: #475569;
    --text3: #64748b;
    
    /* Colori accent */
    --green: #059669;
    --blue: #2563eb;
    --amber: #d97706;
    --red: #dc2626;
    --purple: #7c3aed;
    
    /* Ombre */
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.07);
    --shadow-lg: 0 10px 15px rgba(0,0,0,0.1);
}

/* ===== BASE ===== */
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg);
    min-height: 100vh;
    color: var(--text);
}

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

/* ===== HEADER E NAVIGAZIONE ===== */
.header {
    background: var(--bg2);
    border-bottom: 1px solid var(--border);
    padding: 16px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-sm);
}

.logo { font-size: 22px; font-weight: 700; }
.logo span { color: var(--green); }

.nav { display: flex; gap: 8px; }
.nav a {
    padding: 8px 16px;
    border-radius: 8px;
    color: var(--text2);
    text-decoration: none;
    font-size: 14px;
    transition: all 0.2s;
}
.nav a:hover, .nav a.active {
    background: var(--bg3);
    color: var(--text);
}

/* ===== BOTTONI ===== */
.btn {
    padding: 10px 16px;
    border-radius: 8px;
    border: none;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.2s;
}
.btn:hover { transform: translateY(-1px); opacity: 0.9; }

.btn-outline {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text2);
}
.btn-outline:hover { background: var(--bg3); }

.btn-green { background: var(--green); color: #fff; }
.btn-blue { background: var(--blue); color: #fff; }
.btn-amber { background: var(--amber); color: #fff; }
.btn-red { background: #fee2e2; color: var(--red); border: 1px solid #fecaca; }
.btn-purple { background: var(--purple); color: #fff; }

.btn-sm { padding: 8px 12px; font-size: 13px; }
.btn-xs { padding: 6px 10px; font-size: 12px; }

/* ===== LAYOUT ===== */
.main {
    max-width: 1400px;
    margin: 0 auto;
    padding: 24px;
}

.main.narrow { max-width: 800px; }
.main.wide { max-width: 1600px; }

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    flex-wrap: wrap;
    gap: 16px;
}

.page-title { font-size: 28px; font-weight: 700; }
.page-subtitle { color: var(--text2); margin-bottom: 24px; }

.grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; margin-bottom: 24px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* ===== CARD ===== */
.card {
    background: var(--bg2);
    border: 1px solid var(--border);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    margin-bottom: 24px;
}

.card-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--bg);
    flex-wrap: wrap;
    gap: 12px;
}

.card-title { font-weight: 600; font-size: 16px; }
.card-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.card-body { padding: 20px; }

/* ===== STATISTICHE ===== */
.stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 24px;
}

.stat-card {
    background: var(--bg2);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px;
    box-shadow: var(--shadow-sm);
}

.stat-label {
    color: var(--text3);
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-value {
    font-size: 28px;
    font-weight: 700;
    margin-top: 8px;
}

.stat-value.green { color: var(--green); }
.stat-value.blue { color: var(--blue); }
.stat-value.amber { color: var(--amber); }
.stat-value.red { color: var(--red); }

.stat-sub { font-size: 12px; color: var(--text3); margin-top: 4px; }

/* Stat box (alternativa compatta) */
.stats-row { display: flex; gap: 16px; margin-bottom: 24px; flex-wrap: wrap; }
.stat-box {
    background: var(--bg2);
    border: 1px solid var(--border);
    padding: 16px 24px;
    border-radius: 12px;
    text-align: center;
    min-width: 140px;
    box-shadow: var(--shadow-sm);
}

/* ===== ALERT ===== */
.alert {
    padding: 14px 18px;
    border-radius: 10px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.alert-success { background: #d1fae5; border: 1px solid #6ee7b7; color: #065f46; }
.alert-error { background: #fee2e2; border: 1px solid #fecaca; color: #991b1b; }
.alert-warning { background: #fef3c7; border: 1px solid #fcd34d; color: #b45309; }
.alert-info { background: #dbeafe; border: 1px solid #93c5fd; color: #1d4ed8; }

/* ===== TABELLE ===== */
.table-wrapper { overflow-x: auto; }

table { width: 100%; border-collapse: collapse; }

th {
    text-align: left;
    padding: 12px 16px;
    font-size: 12px;
    color: var(--text3);
    text-transform: uppercase;
    background: var(--bg);
    white-space: nowrap;
}

td {
    padding: 14px 16px;
    border-top: 1px solid var(--border);
    vertical-align: middle;
}

tr:hover td { background: #f1f5f9; }

/* Tabelle compatte */
table.compact th { padding: 10px 14px; font-size: 11px; }
table.compact td { padding: 10px 14px; font-size: 13px; }

/* ===== FORM ===== */
.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 16px;
}

.form-group { margin-bottom: 16px; }
.form-group label {
    display: block;
    font-size: 13px;
    color: var(--text2);
    margin-bottom: 8px;
    font-weight: 500;
}

.form-control {
    width: 100%;
    padding: 10px 12px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    font-size: 14px;
}
.form-control:focus {
    outline: none;
    border-color: var(--green);
    background: var(--bg2);
}

.form-control-sm { padding: 8px 10px; font-size: 13px; }

textarea.form-control { min-height: 80px; resize: vertical; }

select.form-control { cursor: pointer; }

.checkbox {
    display: flex;
    align-items: center;
    gap: 8px;
}
.checkbox input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--green);
}

/* ===== FILTRI ===== */
.filters {
    background: var(--bg2);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 16px;
    margin-bottom: 24px;
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    align-items: end;
    box-shadow: var(--shadow-sm);
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.filter-group label {
    font-size: 11px;
    color: var(--text3);
    text-transform: uppercase;
}

.controls { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }

/* ===== BADGE ===== */
.badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 500;
}

.badge-green { background: #d1fae5; color: var(--green); }
.badge-red { background: #fee2e2; color: var(--red); }
.badge-amber { background: #fef3c7; color: var(--amber); }
.badge-blue { background: #dbeafe; color: var(--blue); }
.badge-gray { background: #e2e8f0; color: var(--text3); }
.badge-purple { background: #ede9fe; color: var(--purple); }

/* Alias per badge stato */
.badge-active { background: #d1fae5; color: var(--green); }
.badge-inactive { background: #fee2e2; color: var(--red); }

/* ===== MODAL ===== */
.modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}
.modal-overlay.active { display: flex; }

.modal {
    background: var(--bg2);
    border: 1px solid var(--border);
    border-radius: 16px;
    width: 100%;
    max-width: 700px;
    max-height: 90vh;
    overflow: auto;
    box-shadow: var(--shadow-lg);
}

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

.modal-title { font-size: 18px; font-weight: 600; }

.modal-close {
    background: none;
    border: none;
    color: var(--text3);
    font-size: 24px;
    cursor: pointer;
}
.modal-close:hover { color: var(--text); }

.modal-body { padding: 20px; }

.modal-footer {
    padding: 16px 20px;
    border-top: 1px solid var(--border);
    display: flex;
    gap: 12px;
    justify-content: flex-end;
    background: var(--bg);
}

/* ===== TABS ===== */
.tabs {
    display: flex;
    gap: 4px;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--border);
    padding-bottom: 12px;
}

.tab {
    padding: 10px 20px;
    border-radius: 8px 8px 0 0;
    cursor: pointer;
    color: var(--text2);
    font-size: 14px;
    transition: all 0.2s;
}
.tab.active {
    background: var(--bg3);
    color: var(--text);
}
.tab:hover { color: var(--text); }

.tab-content { display: none; }
.tab-content.active { display: block; }

/* ===== HELPER CLASSES ===== */

/* Testo */
.text-green { color: var(--green); }
.text-red { color: var(--red); }
.text-amber { color: var(--amber); }
.text-blue { color: var(--blue); }
.text-muted { color: var(--text3); }
.text-right { text-align: right; }
.text-center { text-align: center; }
.font-bold { font-weight: 600; }
.mono { font-family: monospace; }

/* Importi/Crediti */
.importo { font-weight: 600; font-size: 16px; }
.importo.green, .importo.pos { color: var(--green); }
.importo.red, .importo.neg { color: var(--red); }
.importo.amber { color: var(--amber); }

.credito { font-weight: 600; }
.credito.pos { color: var(--green); }
.credito.neg { color: var(--red); }

/* Layout */
.action-cell, .actions { display: flex; gap: 6px; }
.action-buttons { display: flex; gap: 12px; flex-wrap: wrap; }
.header-actions { display: flex; gap: 12px; flex-wrap: wrap; }

.empty-state {
    text-align: center;
    padding: 40px;
    color: var(--text3);
}

/* ===== COMPONENTI SPECIFICI ===== */

/* Cliente info (dettaglio_cliente) */
.cliente-info h1 { font-size: 28px; font-weight: 700; margin-bottom: 4px; }
.cliente-info .codice { color: var(--text3); font-family: monospace; }

.cliente-nome { font-weight: 600; }
.cliente-codice { font-size: 12px; color: var(--text3); font-family: monospace; }

a.cliente-link { color: var(--text); text-decoration: none; }
a.cliente-link:hover { color: var(--green); }

/* Config items (config_api, test_api) */
.config-item {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid var(--border);
}
.config-item:last-child { border-bottom: none; }
.config-label { color: var(--text2); }
.config-value { font-family: monospace; color: var(--green); }
.config-value.warning { color: var(--amber); }

/* Result cards (test_api) */
.result-card {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 16px;
    margin-bottom: 16px;
}
.result-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}
.result-title { font-weight: 600; }
.result-badge { padding: 4px 12px; border-radius: 20px; font-size: 12px; font-weight: 500; }
.result-badge.success { background: #d1fae5; color: var(--green); }
.result-badge.error { background: #fee2e2; color: var(--red); }
.result-details { font-size: 13px; color: var(--text2); }
.result-details code {
    background: var(--bg3);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: monospace;
    color: var(--text);
}
.result-json {
    background: var(--bg3);
    padding: 12px;
    border-radius: 8px;
    font-family: monospace;
    font-size: 12px;
    overflow-x: auto;
    max-height: 200px;
    overflow-y: auto;
    margin-top: 12px;
    white-space: pre-wrap;
}

/* Test buttons */
.test-buttons { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 24px; }

/* Info box */
.info-box {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 16px;
    margin-bottom: 16px;
}

/* Status items */
.status-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 0;
}

/* ===== LOGIN PAGE ===== */
body.login-page {
    background: linear-gradient(135deg, #e0e7ff, #f1f5f9);
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-box {
    background: var(--bg2);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 40px;
    width: 100%;
    max-width: 400px;
    box-shadow: var(--shadow-lg);
}

.login-box .logo { text-align: center; margin-bottom: 30px; }
.login-box .logo h1 { color: var(--green); font-size: 28px; }
.login-box .logo h1 span { color: var(--text); }
.login-box .logo p { color: var(--text2); font-size: 14px; margin-top: 8px; }

.login-box .form-group { margin-bottom: 20px; }
.login-box label { display: block; color: var(--text2); font-size: 13px; margin-bottom: 8px; }
.login-box input {
    width: 100%;
    padding: 14px 16px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--text);
    font-size: 15px;
}
.login-box input:focus { outline: none; border-color: var(--green); }
.login-box .btn {
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, var(--green), #047857);
    border: none;
    border-radius: 10px;
    color: #fff;
    font-size: 16px;
    font-weight: 600;
}
.login-box .btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(5, 150, 105, 0.4);
}
.login-box .error {
    background: #fee2e2;
    border: 1px solid #fecaca;
    color: #991b1b;
    padding: 12px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 14px;
}

/* ===== STATS GRID (per storico.php) ===== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 20px;
}

.stats-grid .stat-box {
    background: var(--bg);
    border: 1px solid var(--border);
    padding: 20px;
    border-radius: 12px;
    text-align: center;
}

.stats-grid .stat-value {
    font-size: 24px;
    font-weight: 700;
    color: var(--text);
}

.stats-grid .stat-label {
    font-size: 12px;
    color: var(--text3);
    text-transform: uppercase;
    margin-top: 4px;
}

/* ===== TABELLA STORICO ===== */
.table-wrapper { overflow-x: auto; }

table th.mese {
    text-align: center;
    min-width: 90px;
    font-size: 11px;
    white-space: nowrap;
}

table td.credito {
    text-align: right;
    font-family: monospace;
    padding: 10px 12px;
    white-space: nowrap;
}

table td.credito .no-data {
    color: var(--text3);
    font-style: italic;
}

/* Highlight consumo alto */
table td.highlight-warning {
    background: rgba(245, 158, 11, 0.15) !important;
}

table td.highlight-danger {
    background: rgba(239, 68, 68, 0.15) !important;
}

/* Variazioni */
.var-positiva { color: var(--green); font-weight: 500; }
.var-negativa { color: var(--red); font-weight: 500; }
.var-zero { color: var(--text3); }

/* ===== LEGENDA ===== */
.legenda {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid var(--border);
    font-size: 13px;
    color: var(--text2);
}

.legenda-item {
    display: flex;
    align-items: center;
    gap: 8px;
}

.legenda-color {
    width: 16px;
    height: 16px;
    border-radius: 4px;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .stats { grid-template-columns: repeat(2, 1fr); }
    .grid { grid-template-columns: 1fr; }
    .nav { flex-wrap: wrap; }
}

@media (max-width: 640px) {
    .header { flex-direction: column; gap: 16px; }
    .stats { grid-template-columns: 1fr; }
    .page-header { flex-direction: column; align-items: flex-start; }
    .filters { flex-direction: column; }
    .modal { margin: 16px; max-height: calc(100vh - 32px); }
}