/* Modern Billing System - Premium Design */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

/* সব element-এর default margin/padding শূন্য করা */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --success: #10b981;
    --success-light: #34d399;
    --danger: #ef4444;
    --warning: #f59e0b;
    --dark: #1f2937;
    --gray: #6b7280;
    --light: #f9fafb;
    --white: #ffffff;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow: 0 4px 6px rgba(0,0,0,0.07);
    --shadow-md: 0 6px 12px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.12);
    --shadow-xl: 0 20px 40px rgba(0,0,0,0.15);
    --radius: 12px;
    --radius-sm: 8px;
    --radius-lg: 16px;
    --green-border: #28a745;
    --red-border: #dc3545;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: linear-gradient(135deg, #f5f7fa 0%, #e8ecf1 100%);
    color: var(--dark);
    line-height: 1.6;
    min-height: 100vh;
}

/* ===== SIDEBAR ===== */
/* বাম পাশের navigation menu, fixed position */
.sidebar {
    width: 260px;
    height: 100vh;
    background: linear-gradient(180deg, #1e293b 0%, #0f172a 100%);
    position: fixed;
    left: -260px;
    top: 0;
    transition: left 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1000;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
}

/* sidebar খোলা অবস্থা */
.sidebar.active {
    left: 0;
}

/* sidebar-এর উপরে logo section */
.logo {
    padding: 24px 20px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    display: flex;
    align-items: center;
    gap: 12px;
    background: rgba(99, 102, 241, 0.1);
}

.logo i {
    font-size: 28px;
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo h3 {
    color: var(--white);
    font-size: 20px;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.sidebar ul {
    list-style: none;
    padding: 16px;
}

.sidebar ul li {
    margin-bottom: 6px;
}

.sidebar ul li a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    color: #94a3b8;
    text-decoration: none;
    border-radius: var(--radius-sm);
    transition: all 0.2s ease;
    font-size: 14px;
    font-weight: 500;
    position: relative;
    overflow: hidden;
}

.sidebar ul li a::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, #6366f1, #8b5cf6);
    transform: scaleY(0);
    transition: transform 0.2s ease;
}

.sidebar ul li a:hover {
    background: rgba(255,255,255,0.08);
    color: var(--white);
    transform: translateX(4px);
}

.sidebar ul li a:hover::before {
    transform: scaleY(1);
}

.sidebar ul li a.active {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.2), rgba(139, 92, 246, 0.2));
    color: var(--white);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.sidebar ul li a.active::before {
    transform: scaleY(1);
}

.sidebar ul li a i {
    font-size: 18px;
    width: 20px;
}

/* Summary Section */
.summary {
    padding: 20px;
    margin-top: 16px;
    border-top: 1px solid rgba(255,255,255,0.1);
    background: rgba(0,0,0,0.2);
}

.summary p {
    color: #cbd5e1;
    font-size: 13px;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 12px;
    background: rgba(255,255,255,0.05);
    border-radius: var(--radius-sm);
    transition: all 0.2s ease;
}

.summary p:hover {
    background: rgba(255,255,255,0.1);
    transform: translateX(4px);
}

.summary p i {
    color: #818cf8;
    margin-right: 8px;
}

.summary p span {
    font-weight: 700;
    color: var(--white);
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 12px;
}

/* ===== MAIN CONTENT ===== */
/* মূল content area */
.main-content {
    margin-left: 0;
    min-height: 100vh;
    transition: margin-left 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.sidebar.active ~ .main-content {
    margin-left: 260px;
}

/* ===== HEADER ===== */
/* উপরের bar (menu button, username, refresh) */
.header {
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    padding: 20px 28px;
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    gap: 20px;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(99, 102, 241, 0.1);
}

.header h2 {
    font-size: 20px;
    font-weight: 700;
    color: var(--dark);
    background: linear-gradient(135deg, #1f2937, #6366f1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    flex: 1;
}

.menu-btn {
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    border: none;
    width: 44px;
    height: 44px;
    border-radius: var(--radius);
    color: var(--white);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.menu-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(99, 102, 241, 0.4);
}

.menu-btn:active {
    transform: translateY(0);
}

.refresh-btn {
    background: linear-gradient(135deg, #10b981, #059669);
    border: none;
    padding: 12px 24px;
    border-radius: var(--radius);
    color: var(--white);
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

.refresh-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(16, 185, 129, 0.4);
}

/* ===== CONTENT ===== */
/* page-এর মূল content padding */
.content {
    padding: 28px;
}

/* page section লুকানো */
.section {
    display: none;
}

/* page section দেখানো */
.section.active {
    display: block;
    animation: fadeInUp 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.section-title {
    font-size: 28px;
    font-weight: 800;
    margin-bottom: 28px;
    display: flex;
    align-items: center;
    gap: 14px;
    color: var(--dark);
    position: relative;
    padding-bottom: 16px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, #6366f1, #8b5cf6);
    border-radius: 2px;
}

.section-title i {
    font-size: 32px;
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ===== STAT BOXES ===== */
/* statistics card grid */
.stats {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 20px;
    margin-bottom: 32px;
}

/* individual stat card */
.stat-box {
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    padding: 24px 20px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    text-align: center;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(99, 102, 241, 0.1);
    position: relative;
    overflow: hidden;
}

.stat-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, #6366f1, #8b5cf6, #ec4899);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

.stat-box:hover::before {
    transform: scaleX(1);
}

.stat-box:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(99, 102, 241, 0.3);
}

.stat-box h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--dark);
    margin: 0;
}

.stat-box p {
    color: var(--gray);
    font-size: 13px;
    font-weight: 600;
    margin: 6px 0 0 0;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Company Status Boxes */
#companyStatusBoxes {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(95px, 1fr));
    gap: 12px;
    margin-bottom: 20px;
}

#companyStatusBoxes .stat-box {
    padding: 10px 8px;
    min-height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

#companyStatusBoxes .stat-box h3 {
    font-size: 12px;
    line-height: 1.3;
}

/* ===== TABLES ===== */
/* বিল তালিকার table design */
.recent-box, .table-container {
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    padding: 28px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    border: 1px solid rgba(99, 102, 241, 0.1);
    margin-bottom: 24px;
}

.recent-box:hover, .table-container:hover {
    box-shadow: var(--shadow-lg);
}

.recent-box h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--dark);
}

.recent-box h3 i {
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
}

table th {
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    color: var(--white);
    padding: 16px 14px;
    text-align: left;
    font-weight: 700;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border: none;
}

table th:first-child {
    border-top-left-radius: var(--radius-sm);
}

table th:last-child {
    border-top-right-radius: var(--radius-sm);
}

table td {
    padding: 14px;
    border-bottom: 1px solid #e5e7eb;
    color: var(--dark);
    font-size: 14px;
    transition: background 0.2s ease;
}

table tr:hover td {
    background: rgba(99, 102, 241, 0.05);
}

table tr:last-child td:first-child {
    border-bottom-left-radius: var(--radius-sm);
}

table tr:last-child td:last-child {
    border-bottom-right-radius: var(--radius-sm);
}

table tr:last-child td {
    border-bottom: none;
}

.no-data {
    text-align: center;
    padding: 48px 20px !important;
    color: var(--gray);
    font-size: 16px;
}

.no-data i {
    font-size: 48px;
    display: block;
    margin-bottom: 16px;
    opacity: 0.3;
}

/* ===== FORMS ===== */
/* বিল entry form design */
.bill-form {
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    padding: 32px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    max-width: 800px;
    border: 1px solid rgba(99, 102, 241, 0.1);
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    margin-bottom: 10px;
    font-weight: 600;
    color: var(--dark);
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.form-group label i {
    color: var(--primary);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid #e5e7eb;
    border-radius: var(--radius);
    font-size: 15px;
    transition: all 0.3s ease;
    font-family: inherit;
    background: white;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

/* ===== BUTTONS ===== */
/* বিল সংরক্ষণ ও আপডেট বাটনের style */
.btn-save, .btn-update {
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    color: var(--white);
    border: none;
    padding: 14px 32px;
    border-radius: var(--radius);
    cursor: pointer;
    font-weight: 700;
    font-size: 15px;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.btn-save:hover, .btn-update:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
}

/* edit বাটনের style */
.btn-edit {
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    color: var(--white);
    border: none;
    padding: 8px 14px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 13px;
}

.btn-edit:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

/* delete বাটনের style */
.btn-delete {
    background: linear-gradient(135deg, #ef4444, #dc2626);
    color: var(--white);
    border: none;
    padding: 8px 14px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 13px;
}

.btn-delete:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
}

/* cancel বাটনের style */
.btn-cancel {
    background: linear-gradient(135deg, #6b7280, #4b5563);
    color: var(--white);
    border: none;
    padding: 12px 24px;
    border-radius: var(--radius);
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-cancel:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(107, 114, 128, 0.3);
}

/* clear বাটনের style */
.btn-clear {
    background: linear-gradient(135deg, #f59e0b, #d97706);
    color: var(--white);
    border: none;
    padding: 10px 20px;
    border-radius: var(--radius);
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

.btn-clear:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(245, 158, 11, 0.3);
}

/* export বাটনের style */
.btn-export {
    background: linear-gradient(135deg, #10b981, #059669);
    color: var(--white);
    border: none;
    padding: 10px 20px;
    border-radius: var(--radius);
    cursor: pointer;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
    font-weight: 600;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

.btn-export:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(16, 185, 129, 0.4);
}

/* complete বাটনের style */
.btn-complete {
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    color: var(--white);
    border: none;
    padding: 10px 20px;
    border-radius: var(--radius);
    cursor: pointer;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
    font-weight: 600;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.btn-complete:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
}

.actions {
    display: flex;
    gap: 8px;
    justify-content: flex-start;
    flex-wrap: wrap;
}

/* ===== FILTERS ===== */
/* filter section */
.filter-section {
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    padding: 24px;
    border-radius: var(--radius-lg);
    margin-bottom: 24px;
    box-shadow: var(--shadow);
    border: 1px solid rgba(99, 102, 241, 0.1);
}

/* search box design */
.search-box {
    position: relative;
    margin-bottom: 16px;
}

.search-box i {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray);
    font-size: 16px;
}

.search-box input {
    width: 100%;
    padding: 14px 14px 14px 44px;
    border: 2px solid #e5e7eb;
    border-radius: var(--radius);
    font-size: 15px;
    transition: all 0.3s ease;
    background: white;
}

.search-box input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

/* filters dropdown ও button row */
.filters {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    align-items: center;
}

.filters select {
    padding: 10px 16px;
    border: 2px solid #e5e7eb;
    border-radius: var(--radius);
    font-size: 14px;
    transition: all 0.3s ease;
    background: white;
    cursor: pointer;
    font-weight: 500;
}

.filters select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

/* ===== MODALS ===== */
/* popup modal design */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.6);
    backdrop-filter: blur(4px);
    animation: fadeIn 0.3s ease;
}

.modal.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* modal-এর ভেতরের content box */
.modal-content {
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    margin: 5% auto;
    max-width: 500px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    animation: slideDown 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(99, 102, 241, 0.1);
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-header {
    padding: 24px 28px;
    border-bottom: 2px solid rgba(99, 102, 241, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.05), rgba(139, 92, 246, 0.05));
}

.modal-header h3 {
    margin: 0;
    font-size: 20px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--dark);
}

.modal-header h3 i {
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.close {
    font-size: 32px;
    font-weight: 300;
    color: var(--gray);
    cursor: pointer;
    transition: all 0.2s ease;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.close:hover {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger);
    transform: rotate(90deg);
}

.modal-body {
    padding: 28px;
}

.form-actions {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
    margin-top: 24px;
}

/* ===== COMPANY SUMMARY ===== */
.company-summary {
    display: flex;
    flex-direction: column;
    gap: 14px;
    margin: 24px 0 32px 0;
}

.summary-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    font-size: 15px;
    font-weight: 600;
    padding: 14px 20px;
    border-radius: var(--radius);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    box-shadow: var(--shadow);
    border-left: 4px solid transparent;
}

.summary-item:hover {
    transform: translateX(8px);
    box-shadow: var(--shadow-md);
}

.summary-item.green {
    color: #065f46;
    background: linear-gradient(135deg, #d1fae5 0%, #a7f3d0 100%);
    border-left-color: #10b981;
}

.summary-item.red {
    color: #991b1b;
    background: linear-gradient(135deg, #fee2e2 0%, #fecaca 100%);
    border-left-color: #ef4444;
}

.color-dot {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    display: inline-block;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

/* ===== MESSAGE/ALERTS ===== */
/* success ও error message design */
.message {
    padding: 16px 20px;
    border-radius: var(--radius);
    margin-bottom: 20px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 12px;
    animation: slideInDown 0.3s ease;
}

@keyframes slideInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* success message design */
.message.success {
    background: linear-gradient(135deg, #d1fae5, #a7f3d0);
    color: #065f46;
    border-left: 4px solid #10b981;
}

/* error message design */
.message.error {
    background: linear-gradient(135deg, #fee2e2, #fecaca);
    color: #991b1b;
    border-left: 4px solid #ef4444;
}

/* warning message design - duplicate bill এন্ট্রির জন্য */
.message.warning {
    background: linear-gradient(135deg, #fef9c3, #fef08a);
    color: #854d0e;
    border-left: 4px solid #f59e0b;
    font-size: 15px;
}

/* ===== HOLD INDICATOR ===== */
.hold-indicator {
    background: linear-gradient(135deg, #fef3c7, #fde68a);
    color: #92400e;
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-left: 8px;
    box-shadow: 0 2px 4px rgba(245, 158, 11, 0.2);
}

/* ===== RESPONSIVE ===== */
/* mobile responsive design */
@media (max-width: 768px) {
    .sidebar {
        width: 100%;
        left: -100%;
    }

    .sidebar.active {
        left: 0;
    }

    .sidebar.active ~ .main-content {
        margin-left: 0;
    }

    .stats {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
        gap: 12px;
    }

    .header {
        padding: 16px 20px;
    }

    .header h2 {
        font-size: 16px;
    }

    .content {
        padding: 20px;
    }

    .filters {
        flex-direction: column;
        align-items: stretch;
    }

    .filters select,
    .filters button {
        width: 100%;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    table {
        font-size: 13px;
    }

    table th,
    table td {
        padding: 10px 8px;
    }
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar {
    width: 10px;
}

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

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, #6366f1, #8b5cf6);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, #4f46e5, #7c3aed);
}

/* company status box background — dark mode overrideable */
.company-box { background: #ffffff; }

/* ===== COMPANY BILLS MODAL ===== */
.cbm-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.55);
    backdrop-filter: blur(4px);
    z-index: 9999;
    overflow-y: auto;
    padding: 30px 16px;
    animation: fadeIn 0.2s ease;
}
.cbm-box {
    background: #fff;
    border-radius: 16px;
    max-width: 860px;
    width: 100%;
    margin: 0 auto;
    box-shadow: 0 20px 60px rgba(0,0,0,0.25);
    overflow: hidden;
    animation: slideDown 0.25s cubic-bezier(0.4,0,0.2,1);
}
.cbm-header {
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    padding: 18px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.cbm-title {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #fff;
    font-size: 17px;
    font-weight: 700;
}
.cbm-title i { font-size: 20px; }
.cbm-close {
    background: rgba(255,255,255,0.2);
    border: none;
    color: #fff;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 20px;
    line-height: 1;
    transition: background 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}
.cbm-close:hover { background: rgba(255,255,255,0.35); }
.cbm-summary {
    display: flex;
    gap: 12px;
    padding: 14px 24px;
    background: #f8f9fa;
    border-bottom: 1px solid #e9ecef;
    flex-wrap: wrap;
}
.cbm-badge {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
}
.cbm-body {
    padding: 0;
    overflow-x: auto;
}
.cbm-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}
.cbm-table thead tr {
    background: linear-gradient(135deg, #1e293b, #0f172a);
}
.cbm-table thead th {
    padding: 13px 16px;
    text-align: left;
    color: #e2e8f0;
    font-weight: 600;
    font-size: 13px;
    letter-spacing: 0.3px;
    border: none;
}
.cbm-table tbody tr {
    border-bottom: 1px solid #f1f5f9;
    transition: background 0.15s;
}
.cbm-table tbody tr:hover { background: rgba(99,102,241,0.05); }
.cbm-table tbody tr:last-child { border-bottom: none; }
.cbm-table td {
    padding: 12px 16px;
    color: #374151;
    border: none;
}
.cbm-status {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}
.cbm-loading {
    text-align: center;
    padding: 40px !important;
    color: #94a3b8;
    font-size: 15px;
}

/* Dark mode for modal */
body.dark-mode .cbm-box { background: #1e293b; }
body.dark-mode .cbm-summary { background: #0f172a; border-bottom-color: #334155; }
body.dark-mode .cbm-table tbody tr { border-bottom-color: #334155; }
body.dark-mode .cbm-table tbody tr:hover { background: rgba(99,102,241,0.1); }
body.dark-mode .cbm-table td { color: #e2e8f0; }

/* ===== DARK MODE =====  */
body.dark-mode {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    color: #e2e8f0;
}

/* --- Header --- */
body.dark-mode .header {
    background: linear-gradient(135deg, #1e293b 0%, #152033 100%);
    border-bottom: 1px solid rgba(99,102,241,0.2);
}
body.dark-mode .header h2 {
    background: none !important;
    -webkit-text-fill-color: #e2e8f0 !important;
    color: #e2e8f0 !important;
}

/* --- Section titles (gradient text fix) --- */
body.dark-mode .section-title {
    background: none !important;
    -webkit-text-fill-color: #e2e8f0 !important;
    color: #e2e8f0 !important;
}
body.dark-mode .section-title i {
    background: none !important;
    -webkit-text-fill-color: #818cf8 !important;
    color: #818cf8 !important;
}

/* --- Stat boxes --- */
body.dark-mode .stat-box {
    background: linear-gradient(135deg, #1e293b, #172032) !important;
    border-color: #334155 !important;
}
body.dark-mode .stat-box h3 { color: #e2e8f0 !important; }
body.dark-mode .stat-box p  { color: #94a3b8 !important; }

/* --- Recent box & table container --- */
body.dark-mode .recent-box,
body.dark-mode .table-container {
    background: linear-gradient(135deg, #1e293b, #172032) !important;
    border-color: #334155 !important;
}
body.dark-mode .recent-box h3 { color: #e2e8f0; }
body.dark-mode .recent-box h3 i {
    background: none !important;
    -webkit-text-fill-color: #818cf8 !important;
}

/* --- Tables --- */
body.dark-mode table { background: transparent; }
body.dark-mode table td {
    border-bottom-color: #334155 !important;
    color: #e2e8f0 !important;
}
body.dark-mode table tr:hover td {
    background: rgba(99,102,241,0.1) !important;
}

/* --- Forms --- */
body.dark-mode .bill-form,
body.dark-mode .filter-section {
    background: linear-gradient(135deg, #1e293b, #172032) !important;
    border-color: #334155 !important;
}
body.dark-mode .form-group label { color: #94a3b8 !important; }

body.dark-mode .form-group input,
body.dark-mode .form-group select,
body.dark-mode .form-group textarea,
body.dark-mode .search-box input,
body.dark-mode .filters select,
body.dark-mode input,
body.dark-mode select,
body.dark-mode textarea {
    background: #0f172a !important;
    border-color: #334155 !important;
    color: #e2e8f0 !important;
}
body.dark-mode input::placeholder,
body.dark-mode textarea::placeholder { color: #475569 !important; }

/* --- Modals --- */
body.dark-mode .modal-content {
    background: linear-gradient(135deg, #1e293b, #172032) !important;
    border-color: #334155 !important;
}
body.dark-mode .modal-header {
    background: rgba(99,102,241,0.1) !important;
    border-bottom-color: #334155 !important;
}
body.dark-mode .modal-header h3 { color: #e2e8f0 !important; }
body.dark-mode .modal-header h3 i {
    background: none !important;
    -webkit-text-fill-color: #818cf8 !important;
}
body.dark-mode .close { color: #94a3b8; }
body.dark-mode .modal-body { color: #e2e8f0; }

/* --- Company summary items --- */
body.dark-mode .summary-item {
    background: linear-gradient(135deg, #1e293b, #172032) !important;
    color: #e2e8f0 !important;
}
body.dark-mode .summary-item.green {
    background: linear-gradient(135deg, #064e3b, #065f46) !important;
    color: #a7f3d0 !important;
}
body.dark-mode .summary-item.red {
    background: linear-gradient(135deg, #7f1d1d, #991b1b) !important;
    color: #fecaca !important;
}

/* --- No data --- */
body.dark-mode .no-data { color: #475569; }

/* --- Developer footer --- */
body.dark-mode div[style*="background: #fff"],
body.dark-mode div[style*="background:#fff"] {
    background: #1e293b !important;
    border-top-color: #334155 !important;
    color: #64748b !important;
}

/* --- Company boxes --- */
body.dark-mode .company-box {
    background: #1e293b !important;
}

/* --- stat-icon (report section) --- */
body.dark-mode .stat-icon {
    opacity: 0.85;
}
body.dark-mode .stat-content h3 { color: #e2e8f0 !important; }
body.dark-mode .stat-content p  { color: #94a3b8 !important; }

/* --- Filter section & search --- */
body.dark-mode .filter-section,
body.dark-mode .date-filter-box {
    background: linear-gradient(135deg, #1e293b, #172032) !important;
    border-color: #334155 !important;
}
body.dark-mode .search-box i { color: #64748b; }

/* --- Company summary (JS inline flex cards) --- */
body.dark-mode .company-summary > div > div {
    background: #1e293b !important;
    border-left-color: #334155 !important;
}

/* --- Hold description box inside table --- */
body.dark-mode td div[style*="background: #fff3cd"] {
    background: rgba(245,158,11,0.15) !important;
    border-left-color: #f59e0b !important;
    color: #fcd34d !important;
}

/* --- Message alerts in dark mode --- */
body.dark-mode .message.success {
    background: linear-gradient(135deg, #064e3b, #065f46);
    color: #a7f3d0;
}
body.dark-mode .message.error {
    background: linear-gradient(135deg, #7f1d1d, #991b1b);
    color: #fecaca;
}
body.dark-mode .message.warning {
    background: linear-gradient(135deg, #78350f, #92400e);
    color: #fde68a;
}

/* --- Scrollbar --- */
body.dark-mode ::-webkit-scrollbar-track { background: #1e293b; }

/* ===== DARK MODE TOGGLE BUTTON ===== */
.dark-mode-btn {
    background: transparent;
    border: 2px solid #d1d5db;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    transition: all 0.3s ease;
    color: #6b7280;
    flex-shrink: 0;
}
body.dark-mode .dark-mode-btn {
    border-color: #475569;
    color: #fbbf24;
    background: rgba(251,191,36,0.1);
}
.dark-mode-btn:hover {
    transform: rotate(20deg) scale(1.1);
}

/* ===== Header Logo (Right Side) ===== */
.header-logo {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}
.header-logo img {
    height: 52px;
    width: 52px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid #e9ecef;
    box-shadow: 0 2px 8px rgba(0,0,0,0.10);
    transition: transform 0.2s ease;
}
.header-logo img:hover {
    transform: scale(1.08);
}
.header-logo .logo-name {
    font-size: 12px;
    font-weight: 700;
    color: #4a6cf7;
    line-height: 1.3;
    max-width: 110px;
    text-align: left;
}
body.dark-mode .header-logo img {
    border-color: #334155;
}
body.dark-mode .header-logo .logo-name {
    color: #818cf8;
}

/* ===== Developer Footer (Fixed, All Pages) ===== */
.dev-footer {
    position: fixed;
    bottom: 0;
    right: 0;
    width: 100%;
    background: #fff;
    text-align: right;
    padding: 10px 20px;
    font-size: 13px;
    color: #888;
    letter-spacing: 0.5px;
    border-top: 1px solid #e9ecef;
    z-index: 9999;
}
.dev-footer a {
    color: #4a6cf7;
    text-decoration: none;
}
body.dark-mode .dev-footer {
    background: #1e293b;
    border-top-color: rgba(99,102,241,0.2);
    color: #64748b;
}
body.dark-mode .dev-footer a {
    color: #818cf8;
}

/* ===== Dashboard Month Label ===== */
.dashboard-month {
    text-align: center;
    font-size: 16px;
    color: #555;
    margin: -8px 0 18px 0;
    letter-spacing: 0.4px;
}
.dashboard-month strong {
    color: #4a6cf7;
    font-size: 17px;
}
.dashboard-month .fa-calendar-alt {
    color: #4a6cf7;
    margin-right: 5px;
}
body.dark-mode .dashboard-month {
    color: #94a3b8;
}
body.dark-mode .dashboard-month strong,
body.dark-mode .dashboard-month .fa-calendar-alt {
    color: #818cf8;
}