:root {
    --bg-color: #f8fafc;
    --card-bg: #ffffff;
    --text-main: #0f172a;
    --text-muted: #64748b;
    --primary: #3b82f6; /* Blue theme for Finance */
    --primary-hover: #2563eb;
    --success: #10b981;
    --success-bg: #d1fae5;
    --danger: #ef4444;
    --danger-bg: #fee2e2;
    --border: #e2e8f0;
    --input-bg: #f1f5f9;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Inter', sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-main);
    min-height: 100vh;
}

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

.app-header {
    background-color: var(--card-bg);
    border-bottom: 1px solid var(--border);
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 10;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary);
}

.header-actions {
    display: flex;
    gap: 1rem;
}

.btn {
    padding: 0.5rem 1rem;
    border-radius: 0.375rem;
    font-weight: 500;
    font-size: 0.875rem;
    cursor: pointer;
    border: none;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-primary { background-color: var(--primary); color: white; }
.btn-primary:hover { background-color: var(--primary-hover); }
.btn-secondary { background-color: white; border: 1px solid var(--border); color: var(--text-main); }
.btn-secondary:hover { background-color: var(--input-bg); }
.btn-danger { background-color: white; border: 1px solid var(--danger); color: var(--danger); }
.btn-danger:hover { background-color: var(--danger-bg); }

.main-content {
    padding: 2rem;
    display: flex;
    justify-content: center;
}

.report-wrapper {
    background-color: var(--card-bg);
    width: 100%;
    max-width: 900px;
    padding: 3rem;
    border-radius: 0.5rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.report-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 2rem;
}

.company-name-wrapper { width: 60%; }
.company-name {
    font-size: 1.5rem !important;
    font-weight: 700;
    color: var(--text-main) !important;
    margin-bottom: 0.25rem;
    width: 100%;
}
.report-title {
    color: var(--text-muted);
    font-size: 1rem;
}

.report-meta { text-align: right; font-size: 0.875rem; color: var(--text-muted); }

.hidden-input {
    background: transparent;
    border: 1px solid transparent;
    color: var(--text-main);
    font-family: inherit;
    outline: none;
    transition: border-color 0.2s;
    padding: 0.25rem;
    border-radius: 0.25rem;
    resize: none;
}
.hidden-input:hover, .hidden-input:focus {
    border-color: var(--border);
    background: var(--input-bg);
}

/* Dashboard Cards */
.dashboard-cards {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.card {
    flex: 1;
    padding: 1.5rem;
    border-radius: 0.5rem;
    border: 1px solid var(--border);
    background: var(--card-bg);
}
.balance-card { background: #f8fafc; border-color: #cbd5e1; }
.income-card { background: var(--success-bg); border-color: #a7f3d0; }
.expense-card { background: var(--danger-bg); border-color: #fecaca; }

.card-title {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    font-weight: 600;
}
.card-value {
    font-size: 1.75rem;
    font-weight: 700;
}
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }

/* Add Transaction Form */
.add-transaction-box {
    background: var(--input-bg);
    padding: 1.5rem;
    border-radius: 0.5rem;
    margin-bottom: 2rem;
    border: 1px dashed var(--border);
}
.add-transaction-box h3 {
    font-size: 1rem;
    margin-bottom: 1rem;
    color: var(--text-main);
}
.transaction-form {
    display: flex;
    gap: 1rem;
    align-items: flex-end;
}
.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}
.desc-group { flex: 1; }
.form-group label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
}
.form-group input, .form-group select {
    padding: 0.5rem;
    border: 1px solid var(--border);
    border-radius: 0.375rem;
    font-size: 0.875rem;
    outline: none;
}
.form-group input:focus, .form-group select:focus {
    border-color: var(--primary);
}

/* Table */
.table-responsive { overflow-x: auto; }
.transactions-table {
    width: 100%;
    border-collapse: collapse;
}
.transactions-table th, .transactions-table td {
    padding: 0.75rem 0.5rem;
    border-bottom: 1px solid var(--border);
    font-size: 0.875rem;
}
.transactions-table th {
    background-color: var(--input-bg);
    color: var(--text-muted);
    font-weight: 600;
    text-align: left;
}
.text-right { text-align: right !important; }
.empty-text { text-align: center; color: var(--text-muted); padding: 2rem !important; }

.btn-del {
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0.25rem;
    border-radius: 0.25rem;
}
.btn-del:hover { color: var(--danger); background: var(--danger-bg); }

@media print {
    body { background: white; }
    .app-header, .hide-in-pdf, .col-action { display: none !important; }
    .main-content { padding: 0; }
    .report-wrapper { box-shadow: none; padding: 0; }
    .hidden-input { border: none !important; background: transparent !important; }
}