/* Apple Minimalist Theme */
:root {
    --white: #FFFFFF;
    --light-gray: #F5F5F7;
    --black: #1D1D1F;
    --orange-pastel: #FF9500;
    --gray-medium: #86868B;
    --gray-light: #D2D2D7;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    --radius: 12px;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', Roboto, sans-serif;
    background: var(--light-gray);
    color: var(--black);
    line-height: 1.5;
    min-height: 100vh;
}

.container {
    max-width: 1920px;
    margin: 0 auto;
    padding: 20px;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    border-bottom: 2px solid var(--orange-pastel);
    margin-bottom: 20px;
    box-shadow: var(--shadow);
}

.header-left {
    display: flex;
    align-items: center;
    gap: 20px;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

h1 {
    font-size: 32px;
    font-weight: 700;
    color: var(--black);
    letter-spacing: 2px;
}

.sync-status {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    background: var(--white);
    border: 2px solid var(--gray-light);
    border-radius: 8px;
    font-size: 12px;
    color: var(--black);
    font-weight: 600;
    letter-spacing: 1px;
}

.sync-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #34C759;
    box-shadow: 0 0 10px rgba(52, 199, 89, 0.5);
}

.sync-dot.alert {
    background: #FF3B30;
    box-shadow: 0 0 10px rgba(255, 59, 48, 0.5);
    animation: blink 1s infinite;
}

.sync-text {
    color: var(--black);
}

.nav-dropdown {
    position: relative;
}

.nav-btn {
    background: var(--white);
    border: 2px solid var(--gray-light);
    padding: 10px 20px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
    color: var(--black);
    transition: all 0.3s;
    box-shadow: var(--shadow);
}

.nav-btn:hover {
    background: var(--orange-pastel);
    color: var(--white);
    border-color: var(--orange-pastel);
    box-shadow: 0 4px 12px rgba(255, 149, 0, 0.3);
}

.nav-content {
    display: none;
    position: absolute;
    top: 100%;
    right: 0;
    background: var(--white);
    border: 1px solid var(--gray-light);
    border-radius: 8px;
    box-shadow: var(--shadow);
    min-width: 200px;
    z-index: 1000;
    overflow: hidden;
}

.nav-dropdown:hover .nav-content {
    display: block;
}

.nav-content a {
    display: block;
    padding: 12px 16px;
    color: var(--black);
    text-decoration: none;
    transition: all 0.3s;
    border-bottom: 1px solid var(--gray-light);
}

.nav-content a:hover {
    background: var(--light-gray);
    padding-left: 20px;
}

.stats-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin-bottom: 20px;
}

.card {
    background: var(--white);
    border: 1px solid var(--gray-light);
    border-radius: var(--radius);
    padding: 20px;
    text-align: center;
    position: relative;
    transition: all 0.3s;
    box-shadow: var(--shadow);
}

.card:hover {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    transform: translateY(-5px);
}

.card h3 {
    font-size: 12px;
    color: var(--gray-medium);
    margin-bottom: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.card-value {
    font-size: 32px;
    font-weight: 700;
    color: var(--black);
}

.duplicate-card {
    border-color: #FF3B30;
    box-shadow: 0 2px 8px rgba(255, 59, 48, 0.15);
}

.duplicate-card:hover {
    box-shadow: 0 8px 24px rgba(255, 59, 48, 0.25);
}

.usage-card {
    border-color: #007AFF;
    box-shadow: 0 2px 8px rgba(0, 122, 255, 0.15);
}

.usage-card:hover {
    box-shadow: 0 8px 24px rgba(0, 122, 255, 0.25);
}

.trend-indicator {
    position: absolute;
    top: 10px;
    right: 10px;
    font-size: 16px;
    font-weight: 700;
}

.trend-indicator.up {
    color: #34C759;
}

.trend-indicator.down {
    color: #FF3B30;
}

.card-subtext {
    font-size: 11px;
    color: var(--gray-medium);
    margin-top: 6px;
}

.charts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 20px;
    margin-bottom: 20px;
}

.chart-container {
    background: var(--white);
    border: 1px solid var(--gray-light);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.3s;
}

.chart-container:hover {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.chart-header {
    display: flex;
    align-items: center;
    cursor: pointer;
    padding: 14px 16px;
    background: var(--light-gray);
    border-bottom: 1px solid var(--gray-light);
    transition: all 0.3s;
}

.chart-header:hover {
    background: #E8E8ED;
}

.toggle-icon {
    font-size: 16px;
    margin-right: 10px;
    color: var(--gray-medium);
    transition: transform 0.3s;
}

.toggle-icon.collapsed {
    transform: rotate(-90deg);
}

.chart-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--black);
    flex-grow: 1;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.chart-content {
    padding: 16px;
}

.chart-container canvas {
    max-height: 300px;
}

.chart-full-width {
    grid-column: 1 / -1;
}

.controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 10px;
}

.control-group {
    display: flex;
    align-items: center;
    gap: 10px;
}

.control-group label {
    font-size: 13px;
    color: var(--gray-medium);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.control-group select {
    padding: 8px 14px;
    border: 1px solid var(--gray-light);
    border-radius: 6px;
    background: var(--white);
    color: var(--black);
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s;
}

.control-group select:hover {
    border-color: var(--orange-pastel);
}

.btn-reset, .btn-sync, .btn-export {
    padding: 10px 18px;
    border: 1px solid;
    border-radius: 6px;
    cursor: pointer;
    font-size: 13px;
    font-weight: 600;
    transition: all 0.3s;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-reset {
    background: var(--white);
    color: var(--black);
    border-color: var(--gray-light);
}

.btn-reset:hover {
    background: var(--orange-pastel);
    color: var(--white);
    border-color: var(--orange-pastel);
}

.btn-sync {
    background: var(--white);
    color: #34C759;
    border-color: #34C759;
}

.btn-sync:hover {
    background: #34C759;
    color: var(--white);
    box-shadow: 0 4px 12px rgba(52, 199, 89, 0.3);
}

.btn-export {
    background: var(--white);
    color: var(--orange-pastel);
    border-color: var(--orange-pastel);
}

.btn-export:hover {
    background: var(--orange-pastel);
    color: var(--white);
    box-shadow: 0 4px 12px rgba(255, 149, 0, 0.3);
}

.panel {
    background: var(--white);
    border: 1px solid var(--gray-light);
    border-radius: var(--radius);
    margin-bottom: 20px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.panel.collapsed .panel-content {
    display: none;
}

.panel-header {
    padding: 14px 16px;
    background: var(--light-gray);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    color: var(--black);
    transition: all 0.3s;
}

.panel-header:hover {
    background: #E8E8ED;
}

.toggle-icon {
    transition: transform 0.3s;
}

.panel-content {
    padding: 16px;
}

.filter-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 10px;
}

.filter-grid input {
    padding: 10px 14px;
    border: 1px solid var(--gray-light);
    border-radius: 6px;
    background: var(--white);
    color: var(--black);
    font-size: 14px;
    width: 100%;
    transition: all 0.3s;
}

.filter-grid input:focus {
    outline: none;
    border-color: var(--orange-pastel);
}

.filter-grid input::placeholder {
    color: var(--gray-medium);
}

.table-container {
    background: var(--white);
    border: 1px solid var(--gray-light);
    border-radius: var(--radius);
    overflow-x: auto;
    margin-bottom: 20px;
    box-shadow: var(--shadow);
}

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

thead {
    background: var(--light-gray);
    position: sticky;
    top: 0;
    z-index: 10;
}

th {
    padding: 14px 10px;
    text-align: left;
    font-weight: 700;
    color: var(--black);
    border-bottom: 2px solid var(--gray-light);
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.3s;
    text-transform: uppercase;
    letter-spacing: 1px;
}

th:hover {
    background: #E8E8ED;
}

.sort-icon {
    color: var(--gray-medium);
    font-size: 12px;
    margin-left: 4px;
}

tbody tr {
    border-bottom: 1px solid var(--gray-light);
    transition: all 0.3s;
}

tbody tr:hover {
    background: rgba(255, 149, 0, 0.05);
}

td {
    padding: 12px 10px;
    color: var(--black);
}

td.low-margin, td.low-profit {
    color: #FF3B30;
    font-weight: 600;
}

td.both-low {
    background-color: rgba(255, 59, 48, 0.1);
    color: #FF3B30;
    font-weight: 600;
}

.bo-alert {
    cursor: pointer;
    color: #FF3B30;
    font-size: 16px;
    margin-left: 6px;
    transition: all 0.3s;
    display: inline-block;
}

.bo-alert:hover {
    transform: scale(1.3);
}

.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    margin-bottom: 20px;
}

.pagination button {
    padding: 10px 20px;
    border: 1px solid var(--gray-light);
    border-radius: 6px;
    background: var(--white);
    color: var(--black);
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.3s;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.pagination button:hover:not(:disabled) {
    background: var(--orange-pastel);
    color: var(--white);
    border-color: var(--orange-pastel);
}

.pagination button:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

#pageInfo {
    font-size: 14px;
    color: var(--gray-medium);
    font-weight: 600;
    letter-spacing: 1px;
}

.stats {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px;
    background: var(--white);
    border: 1px solid var(--gray-light);
    border-radius: var(--radius);
    font-size: 13px;
    color: var(--black);
    box-shadow: var(--shadow);
}

#filterBanner {
    background: rgba(255, 59, 48, 0.1);
    padding: 12px;
    margin-bottom: 15px;
    border-radius: 6px;
    border: 2px solid #FF3B30;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #FF3B30;
}

.indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--gray-light);
    transition: all 0.3s;
}

.indicator.alert {
    background: #FF3B30;
    animation: blink 1s infinite;
}

@keyframes blink {
    0% { opacity: 1; }
    50% { opacity: 0.3; }
    100% { opacity: 1; }
}

.duplicate-card:hover .indicator.alert {
    animation: none;
    opacity: 1;
}

@media (max-width: 768px) {
    header {
        flex-direction: column;
        gap: 15px;
        align-items: flex-start;
    }

    .controls {
        flex-direction: column;
        align-items: flex-start;
    }

    .stats {
        flex-direction: column;
        gap: 10px;
        align-items: flex-start;
    }

    .charts-grid {
        grid-template-columns: 1fr;
    }

    .table-container {
        font-size: 12px;
    }

    th, td {
        padding: 10px 6px;
    }
}