:root {
    --primary-color: #2563EB;
    --primary-hover: #1D4ED8;
    --secondary-color: #1E3A5F;
    --success-color: #059669;
    --success-hover: #047857;
    --background-color: #F4F4F5;
    --card-bg: #FFFFFF;
    --border-color: #E4E4E7;
    --text-primary: #18181B;
    --text-secondary: #71717A;
    --blue-light: #EFF6FF;
    --blue-border: #BFDBFE;
    --green-light: #ECFDF5;
    --green-border: #A7F3D0;
    --gray-light: #F3F4F6;
    --gray-border: #D1D5DB;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background-color: var(--background-color);
    color: var(--text-primary);
    line-height: 1.5;
}

.dashboard-container {
    max-width: 1280px;
    margin: 0 auto;
    padding-bottom: 60px;
}

/* Navbar */
.navbar {
    height: 56px;
    background-color: var(--card-bg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-left {
    display: flex;
    align-items: center;
    gap: 10px;
}

.nav-icon {
    color: var(--primary-color);
}

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

.user-info {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
}

/* Page Body */
.page-body {
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

/* Cards */
.card {
    background-color: var(--card-bg);
    border-radius: 8px;
    border: 1px solid var(--border-color);
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

.card-header {
    height: 44px;
    padding: 0 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.card-header h2 {
    font-size: 15px;
    font-weight: 600;
    color: #FFFFFF;
}

.section-icon {
    width: 18px;
    height: 18px;
    color: rgba(255, 255, 255, 0.9);
}

.card-body {
    padding: 16px;
}

/* Filter Section */
.filter-header {
    background-color: #F8F8F8;
    border-bottom: 1px solid var(--border-color);
}

.filter-header h2 {
    color: var(--text-primary);
}

.filter-header .section-icon {
    color: var(--primary-color);
}

.filter-body {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 24px;
    padding: 16px;
}

.filter-group {
    display: flex;
    align-items: center;
    gap: 12px;
}

.filter-group label {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    white-space: nowrap;
}

.input-row {
    display: flex;
    align-items: center;
    gap: 8px;
}

input[type="date"] {
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 14px;
    outline: none;
    transition: border-color 0.2s;
}

input[type="date"]:focus {
    border-color: var(--primary-color);
}

.filter-actions {
    display: flex;
    gap: 8px;
}

/* Info Grid */
.info-header {
    background-color: var(--secondary-color);
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1px;
    background-color: var(--border-color);
    padding: 1px;
}

.info-item {
    background-color: var(--card-bg);
    display: flex;
    min-height: 40px;
}

.info-item .label {
    width: 120px;
    background-color: #F8F9FA;
    padding: 8px 12px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    border-right: 1px solid var(--border-color);
    display: flex;
    align-items: center;
}

.info-item .value {
    flex: 1;
    padding: 8px 12px;
    font-size: 13px;
    display: flex;
    align-items: center;
}

/* Tables */
.table-wrapper {
    width: 100%;
    overflow-x: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

.data-table th {
    height: 36px;
    padding: 0 12px;
    text-align: left;
    font-weight: 500;
    background-color: #F8FAFC;
    border-bottom: 1px solid var(--border-color);
    white-space: nowrap;
}

.data-table td {
    height: 40px;
    padding: 0 12px;
    border-bottom: 1px solid var(--border-color);
}

.align-right { text-align: right; }
.blue-text { color: var(--primary-color); font-weight: 600; }
.green-text { color: var(--success-color); font-weight: 600; }

.blue-theme .card-header { background-color: var(--primary-color); }
.blue-theme thead th { background-color: var(--blue-light); border-bottom: 1px solid var(--blue-border); }
.blue-theme .subtotal-row { background-color: var(--blue-light); font-weight: 600; }

.gray-theme .card-header { background-color: #374151; }
.gray-theme thead th { background-color: var(--gray-light); border-bottom: 1px solid var(--gray-border); }
.gray-theme .subtotal-row.grey-bg { background-color: var(--gray-light); font-weight: 600; }

.green-theme .card-header { background-color: #064E3B; }
.green-theme thead th { background-color: var(--green-light); border-bottom: 1px solid var(--green-border); }

.fixed-width-lg { width: 150px; }

/* Summary Section */
.summary-header {
    background-color: var(--secondary-color);
}

.summary-body {
    display: flex;
    flex-direction: column;
}

.summary-item {
    display: flex;
    justify-content: space-between;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
    font-size: 14px;
}

.summary-footer {
    background-color: #1E293B;
    padding: 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #FFFFFF;
}

.summary-footer span { font-size: 15px; font-weight: 600; }

.final-result {
    text-align: right;
}

.final-result .amount {
    font-size: 20px;
    font-weight: 700;
    color: #38BDF8;
}

.final-result .unit {
    font-size: 12px;
    color: #94A3B8;
    margin-left: 4px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 16px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    border: none;
    outline: none;
}

.btn i { width: 16px; height: 16px; }

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

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-1px);
}

.btn-success {
    background-color: #065F46;
    color: #FFFFFF;
}

.btn-success:hover {
    background-color: #064E3B;
    transform: translateY(-1px);
}

.btn-outline {
    background-color: #FFFFFF;
    border: 1px solid #D4D4D8;
    color: var(--text-primary);
}

.btn-outline:hover {
    background-color: #F4F4F5;
    border-color: #A1A1AA;
}

.action-row {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    margin-top: 8px;
}

/* Toast */
.toast {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background-color: #18181B;
    color: #FFFFFF;
    padding: 12px 24px;
    border-radius: 8px;
    font-size: 14px;
    z-index: 1000;
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

.toast.show {
    transform: translateX(-50%) translateY(0);
}

/* Active Effects */
.data-table tbody tr:hover {
    background-color: #F8FAFC;
    cursor: pointer;
}

.loading-pulse {
    animation: pulse 1s infinite alternate;
}

@keyframes pulse {
    from { opacity: 1; }
    to { opacity: 0.5; }
}

@media print {
    .navbar, .filter-section, .action-row {
        display: none;
    }
    .page-body {
        padding: 0;
    }
    .card {
        border: 1px solid #000;
        box-shadow: none;
    }
}