/* ==========================================================================
   Modern Crisp Light Theme - Web-Based Commercial Accounting & Billing
   ========================================================================== */

:root {
    --bg-body: #f8fafc;
    --bg-surface: #ffffff;
    --bg-surface-subtle: #f1f5f9;
    --text-main: #0f172a;
    --text-muted: #64748b;
    --text-light: #94a3b8;
    --border-subtle: #e2e8f0;
    --border-strong: #cbd5e1;
    --primary: #059669;
    --primary-hover: #047857;
    --primary-subtle: #ecfdf5;
    --primary-border: #a7f3d0;
    --accent-blue: #2563eb;
    --accent-blue-subtle: #eff6ff;
    --accent-indigo: #4f46e5;
    --accent-amber: #d97706;
    --accent-amber-subtle: #fffbeb;
    --accent-rose: #dc2626;
    --accent-rose-subtle: #fef2f2;
}

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

body {
    font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--bg-body);
    color: var(--text-main);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

code, .font-mono {
    font-family: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

/* Sidebar item */
.sidebar-item {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    width: 100%;
    padding: 0.5rem 0.75rem;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--text-muted);
    border-radius: 0.5rem;
    transition: all 0.15s ease-in-out;
    text-align: left;
    background: transparent;
    border: 1px solid transparent;
    cursor: pointer;
}

.sidebar-item:hover {
    color: var(--text-main);
    background-color: var(--bg-surface-subtle);
}

.sidebar-item.active {
    color: var(--primary);
    background-color: var(--primary-subtle);
    font-weight: 600;
    border: 1px solid var(--primary-border);
}

/* Form elements */
.form-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    color: #475569;
    margin-bottom: 0.375rem;
}

.form-input, .form-select, textarea.form-input {
    width: 100%;
    padding: 0.45rem 0.65rem;
    font-size: 0.8125rem;
    background-color: #ffffff;
    border: 1px solid var(--border-strong);
    border-radius: 0.375rem;
    color: var(--text-main);
    outline: none;
    transition: border-color 0.15s, box-shadow 0.15s;
}

.form-input:focus, .form-select:focus, textarea.form-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(5, 150, 105, 0.15);
}

.form-input[readonly], .form-select[disabled] {
    background-color: #f1f5f9;
    color: #64748b;
    cursor: default;
}

/* Buttons */
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.8125rem;
    padding: 0.5rem 1rem;
    border-radius: 0.375rem;
    background-color: var(--primary);
    color: #ffffff;
    border: none;
    cursor: pointer;
    transition: all 0.15s;
    box-shadow: 0 1px 2px 0 rgba(5, 150, 105, 0.2);
}

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

.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 500;
    font-size: 0.8125rem;
    padding: 0.5rem 1rem;
    border-radius: 0.375rem;
    background-color: #ffffff;
    color: #334155;
    border: 1px solid var(--border-strong);
    cursor: pointer;
    transition: all 0.15s;
}

.btn-secondary:hover {
    background-color: #f8fafc;
    border-color: #94a3b8;
    color: #0f172a;
}

/* Quick Action Nav Buttons */
.quick-nav-btn {
    display: inline-flex;
    align-items: center;
    font-weight: 600;
    font-size: 0.75rem;
    padding: 0.375rem 0.625rem;
    border-radius: 0.375rem;
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.15s;
}

/* Status Badges */
.badge-pending {
    background-color: var(--accent-rose-subtle);
    color: var(--accent-rose);
    border: 1px solid #fecaca;
    padding: 0.15rem 0.5rem;
    border-radius: 0.25rem;
    font-size: 0.6875rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
}

.badge-partial {
    background-color: var(--accent-amber-subtle);
    color: var(--accent-amber);
    border: 1px solid #fde68a;
    padding: 0.15rem 0.5rem;
    border-radius: 0.25rem;
    font-size: 0.6875rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
}

.badge-settled {
    background-color: var(--primary-subtle);
    color: var(--primary);
    border: 1px solid var(--primary-border);
    padding: 0.15rem 0.5rem;
    border-radius: 0.25rem;
    font-size: 0.6875rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
}

/* Modal */
.modal-backdrop {
    position: fixed;
    inset: 0;
    background-color: rgba(15, 23, 42, 0.45);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 50;
    padding: 1rem;
}

.modal-card {
    background-color: #ffffff;
    border: 1px solid var(--border-subtle);
    border-radius: 0.75rem;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    padding: 1.5rem;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
}

/* Toast */
.toast {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    padding: 0.75rem 1.25rem;
    background-color: #047857;
    color: #ffffff;
    font-size: 0.8125rem;
    font-weight: 600;
    border-radius: 0.5rem;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.15);
    z-index: 60;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    animation: slideIn 0.2s ease-out;
}

.toast.error {
    background-color: #b91c1c;
}

@keyframes slideIn {
    from { transform: translateY(1rem); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

/* Table styling */
table {
    width: 100%;
    border-collapse: collapse;
}

th {
    background-color: #f8fafc;
    color: #475569;
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.025em;
    padding: 0.625rem 0.75rem;
    border-bottom: 1px solid var(--border-subtle);
}

td {
    padding: 0.625rem 0.75rem;
    font-size: 0.8125rem;
    border-bottom: 1px solid #f1f5f9;
    color: var(--text-main);
}

tbody tr:hover {
    background-color: #f8fafc;
}

/* Cards */
.card-light {
    background-color: #ffffff;
    border: 1px solid var(--border-subtle);
    border-radius: 0.75rem;
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.05);
}

/* Custom Scrollbars */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: #f1f5f9;
}

::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}

/* Print Styles */
@media print {
    body {
        background-color: #ffffff !important;
        color: #000000 !important;
    }
    header, aside, .btn-primary, .btn-secondary, .quick-nav-btn, .print\:hidden, #toast {
        display: none !important;
    }
    main {
        padding: 0 !important;
        background: #ffffff !important;
    }
    .modal-backdrop {
        position: static !important; 
        background: transparent !important;
        padding: 0 !important;
    }
    .modal-card {
        border: none !important;
        box-shadow: none !important;
        padding: 0 !important;
        max-height: none !important;
        max-width: none !important;
        width: 100% !important;
        margin: 0 !important;
    }
    table {
        border-collapse: collapse !important;
        width: 100% !important;
    }
    th, td {
        border: 1px solid #cbd5e1 !important;
        color: #000000 !important;
    }
}

.table-compact td, .table-compact th { padding: 0.15rem 0.25rem !important; font-size: 0.7rem !important; }

@media print { body.printing-bill main { display: none !important; } }




body { -webkit-user-select: none; -moz-user-select: none; -ms-user-select: none; user-select: none; }
input, textarea { -webkit-user-select: text; -moz-user-select: text; -ms-user-select: text; user-select: text; }