:root {
    --primary: #4F46E5;
    --primary-hover: #4338CA;
    --bg-color: #F3F4F6;
    --card-bg: #FFFFFF;
    --text-main: #111827;
    --text-muted: #6B7280;
    --border: #E5E7EB;
    --success: #10B981;
    --error: #EF4444;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-main);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    padding: 20px;
}

/* --- 2. LAYOUT I WSPÓLNE KOMPONENTY --- */
.generator-card, 
.thankyou-card {
    background: var(--card-bg);
    width: 100%;
    max-width: 480px;
    border-radius: 16px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.05);
    margin: auto; /* Magia wyśrodkowania dla index i thankyou */
    overflow: hidden;
}

.btn,
.btn-submit {
    display: inline-block;
    width: 100%;
    padding: 14px 32px;
    background-color: var(--primary);
    color: white;
    text-decoration: none;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s;
    text-align: center;
}

.btn:hover,
.btn-submit:hover {
    background-color: var(--primary-hover);
}

/* --- 3. GENERATOR LINKÓW (index.php) --- */
.card-body { padding: 32px; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; margin-bottom: 8px; font-size: 0.875rem; font-weight: 500; }
.form-control { width: 100%; padding: 12px 16px; border: 1px solid var(--border); border-radius: 8px; font-size: 1rem; color: var(--text-main); transition: all 0.2s; background-color: #F9FAFB; }
.form-control:focus { outline: none; border-color: var(--primary); background-color: #FFFFFF; box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1); }
.input-group { position: relative; display: flex; align-items: center; }
.input-group input { padding-right: 60px; }
.input-group .currency { position: absolute; right: 16px; color: var(--text-muted); font-weight: 500; }

.btn-submit:disabled { background-color: #9CA3AF; cursor: not-allowed; }
.action-buttons { display: flex; gap: 12px; margin-top: 10px; }
.action-buttons .btn-submit { margin-top: 0; flex: 1; }
.btn-clear { display: none; flex: 1; padding: 14px; background-color: transparent; color: var(--text-muted); border: 1px solid var(--border); border-radius: 8px; font-size: 1rem; font-weight: 600; cursor: pointer; transition: all 0.2s; }
.btn-clear:hover { background-color: #F9FAFB; color: var(--text-main); border-color: #D1D5DB; }

.result-box { display: none; margin-top: 24px; padding: 20px; background-color: #ECFDF5; border: 1px dashed var(--success); border-radius: 8px; text-align: center; }
.result-box p { color: #065F46; font-size: 0.875rem; font-weight: 500; margin-bottom: 12px; }
.link-container { display: flex; gap: 8px; }
.link-input { flex: 1; padding: 10px; border: 1px solid #A7F3D0; border-radius: 6px; font-size: 0.875rem; color: #047857; background: white; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.btn-copy { padding: 10px 16px; background-color: var(--success); color: white; border: none; border-radius: 6px; font-weight: 600; cursor: pointer; font-size: 0.875rem; transition: background 0.2s; }
.btn-copy:hover { background-color: #059669; }

.loader { display: none; text-align: center; margin-top: 20px; color: var(--text-muted); font-size: 0.875rem; }
.checkbox-group { display: flex; gap: 20px; margin-bottom: 24px; }
.checkbox-label { display: flex; align-items: center; gap: 8px; font-size: 0.875rem; font-weight: 500; cursor: pointer; }
.checkbox-label input[type="checkbox"] { width: 18px; height: 18px; accent-color: var(--primary); cursor: pointer; border-radius: 4px; }
.card-footer { padding: 16px 32px; border-top: 1px solid var(--border); text-align: center; font-size: 0.75rem; color: var(--text-muted); background-color: #F9FAFB; letter-spacing: 0.03em; }

/* --- 4. WIDOK STATYSTYK (stats.php) --- */
.dashboard { width: 100%; max-width: 1200px; margin: 0 auto; flex-grow: 1; }
.dashboard h2 { margin-bottom: 24px; }
.header-arenapay {
    background: linear-gradient(135deg, #E11D48, #2563EB);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
    font-family: 'Montserrat', sans-serif;
    font-weight: 800;
}
.arena-logo{
    width: 40px;
    border-radius: 100px;
    vertical-align: middle;
    margin-top: -5px;
}
.summary-cards { display: flex; gap: 20px; margin-bottom: 30px; }
.card { background: #fff; padding: 20px; border-radius: 12px; box-shadow: 0 2px 4px rgba(0,0,0,0.05); flex: 1; text-align: center; }
.card-title { font-size: 0.825rem; color: var(--text-muted); text-transform: uppercase; font-weight: 600; letter-spacing: 0.05em; }
.card-value { font-size: 1.8rem; font-weight: 700; margin-top: 8px; color: var(--text-main); }
.val-total { color: var(--primary); }
.val-paid { color: var(--success); }
.val-pending { color: #D97706; }

.table-container { background: #fff; border-radius: 12px; overflow: hidden; box-shadow: 0 2px 4px rgba(0,0,0,0.05); }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 16px; border-bottom: 1px solid var(--border); text-align: left; font-size: 0.95rem; }
th { background: #F9FAFB; font-weight: 600; color: #4B5563; }
.badge { padding: 6px 12px; border-radius: 20px; font-size: 0.8rem; font-weight: 600; display: inline-block; }

/*tr:hover {background: #f5f5f5;cursor: pointer;}*/
tr.row-opłacona:hover { background-color: #ecfdf5; }
tr.row-odrzucona:hover { background-color: #fef2f2; }
tr.row-wygasła:hover { background-color: #f3f4f6; }
tr.row-oczekuje:hover { background-color: #fffbeb; }

.amount { font-weight: 600; }
.date { color: var(--text-muted); font-size: 0.85rem; }

.pagination { padding: 16px; background: #fff; border-top: 1px solid var(--border); display: flex; justify-content: space-between; align-items: center; }
.pagination-info { font-size: 0.875rem; color: var(--text-muted); }
.pagination-buttons { display: flex; gap: 8px; }
.page-btn { padding: 8px 16px; border: 1px solid #D1D5DB; background: #fff; border-radius: 6px; text-decoration: none; color: #374151; font-size: 0.875rem; font-weight: 500; transition: all 0.2s; }
.page-btn:hover { background: var(--bg-color); }
.page-btn.disabled { opacity: 0.5; pointer-events: none; background: #F9FAFB; }

.badge-notify { padding: 4px 8px; border-radius: 4px; font-size: 0.75rem; font-weight: 600; display: inline-block; margin-right: 4px; }
.notify-email { background: #D1FAE5; color: #065F46; border: 1px solid #A7F3D0; }
.notify-sms { background: #DBEAFE; color: #1E40AF; border: 1px solid #BFDBFE; }
.notify-none { background: var(--bg-color); color: #9CA3AF; border: 1px solid var(--border); }

.app-footer { text-align: center; margin-top: 32px; padding-bottom: 24px; font-size: 0.8rem; color: #9CA3AF; letter-spacing: 0.03em; }

/* --- 5. EKRAN PODZIĘKOWANIA (thankyou.php) --- */
.thankyou-card { padding: 40px 32px; box-sizing: border-box; text-align: center; }
.merchant-logo { max-height: 50px; max-width: 200px; object-fit: contain; margin-bottom: 24px; }
.company-name { font-size: 0.95rem; font-weight: 600; color: #4B5563; margin-top: -12px; margin-bottom: 24px; }

.icon-circle {
    width: 80px; height: 80px; border-radius: 50%;
    display: flex; justify-content: center; align-items: center;
    font-size: 40px; font-weight: bold; margin: 0 auto 24px;
}
.icon-success { background-color: #D1FAE5; color: var(--success); }
.icon-error { background-color: #FEE2E2; color: var(--error); }

.thankyou-card h1 { color: var(--text-main); font-size: 1.5rem; margin-bottom: 16px; }
.thankyou-card p { color: #4B5563; line-height: 1.6; margin-bottom: 32px; }

/* --- 6. RWD (URZĄDZENIA MOBILNE) --- */
@media (max-width: 768px) {
    body { padding: 15px 10px; }
    .generator-card, .thankyou-card { border-radius: 12px; }
    .card-body { padding: 24px 16px; }
    .checkbox-group { flex-direction: column; gap: 12px; }
    .card-footer { padding: 12px 20px; }
    .action-buttons { flex-direction: column; }
    
    /* Karty na samej górze */
    .summary-cards { flex-direction: column; gap: 12px; margin-bottom: 24px; }

    /* Wyłączamy białe tło i cień głównego kontenera na telefonach */
    .table-container { 
        background: transparent; 
        box-shadow: none; 
    }
    
    /* Magia łamania tabeli w pionowe karty */
    .table-container table, 
    .table-container tbody, 
    .table-container td, 
    .table-container tr { 
        display: block; 
    }
    
    /* Całkowicie ukrywamy nagłówki th na telefonach */
    .table-container th { 
        display: none; 
    }
    
    .table-container tr { 
        border: 1px solid var(--border); 
        border-radius: 8px; 
        margin-bottom: 16px; 
        background: #fff;
        padding: 8px 0;
    }
    
    .table-container td { 
        border: none; 
        border-bottom: 1px solid #F9FAFB; 
        position: relative; 
        padding: 12px 16px 12px 45%; 
        min-height: 44px; 
        display: flex; 
        align-items: center; 
        justify-content: flex-end; 
        text-align: right; 
    }
    
    .table-container td:last-child { 
        border-bottom: 0; 
    }
    
    /* Wstawianie etykiet z atrybutu data-label */
    .table-container td::before { 
        content: attr(data-label); 
        position: absolute; 
        left: 16px; 
        width: 40%; 
        white-space: nowrap; 
        font-weight: 600; 
        text-align: left; 
        font-size: 0.85rem; 
        color: var(--text-muted); 
    }

    /* Paginacja w pionie */
    .pagination { 
        flex-direction: column; 
        gap: 16px; 
        text-align: center; 
    }
}