:root {
    --bg-main: #f8fafc;
    --bg-card: #ffffff;
    --bg-sidebar: #0f172a;
    --text-main: #1e293b;
    --text-muted: #64748b;
    --primary: #4f46e5;
    --primary-hover: #4338ca;
    --primary-light: #eef2ff;
    --success: #10b981;
    --success-light: #ecfdf5;
    --warning: #f59e0b;
    --warning-light: #fffbeb;
    --danger: #ef4444;
    --danger-light: #fef2f2;
    --border: #e2e8f0;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.07), 0 2px 4px -2px rgb(0 0 0 / 0.07);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.08), 0 4px 6px -4px rgb(0 0 0 / 0.08);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

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

/* Sidebar */
.sidebar {
    width: 260px;
    background-color: var(--bg-sidebar);
    color: #fff;
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    transition: all 0.2s ease;
}

.sidebar-header {
    padding: 24px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-brand {
    font-size: 1.25rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 10px;
    color: #fff;
    letter-spacing: -0.5px;
}

.brand-badge {
    background: linear-gradient(135deg, #4f46e5, #06b6d4);
    color: white;
    font-size: 0.65rem;
    padding: 2px 6px;
    border-radius: 4px;
    font-weight: 600;
    text-transform: uppercase;
}

.nav-list {
    list-style: none;
    padding: 16px 12px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 14px;
    border-radius: var(--radius-md);
    color: #94a3b8;
    cursor: pointer;
    font-size: 0.92rem;
    font-weight: 500;
    transition: all 0.15s ease;
}

.nav-item:hover {
    color: #fff;
    background-color: rgba(255, 255, 255, 0.06);
}

.nav-item.active {
    color: #fff;
    background-color: var(--primary);
    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.35);
}

.nav-item i {
    font-size: 1.1rem;
    width: 20px;
    text-align: center;
}

.sidebar-footer {
    padding: 16px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    font-size: 0.75rem;
    color: #64748b;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Main Content Area */
.main-wrapper {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    height: 100vh;
    overflow: hidden;
}

.topbar {
    background-color: var(--bg-card);
    border-bottom: 1px solid var(--border);
    padding: 14px 28px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.page-title {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--text-main);
}

.topbar-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.content-container {
    flex-grow: 1;
    padding: 28px;
    overflow-y: auto;
}

/* Tab Panels */
.tab-panel {
    display: none;
    animation: fadeIn 0.2s ease-in-out;
}

.tab-panel.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(4px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Cards & Layout */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: 20px;
    margin-bottom: 20px;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.card-title {
    font-size: 1.1rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Metric Cards */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.metric-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 18px 20px;
    display: flex;
    align-items: center;
    gap: 16px;
    box-shadow: var(--shadow-sm);
}

.metric-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
}

.metric-info h4 {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.metric-info .value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-main);
    margin-top: 2px;
}

/* Filters Bar */
.filters-bar {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 14px 18px;
    margin-bottom: 20px;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

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

/* Buttons & Inputs */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 9px 16px;
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    border: none;
    transition: all 0.15s ease;
}

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

.btn-secondary {
    background-color: #f1f5f9;
    color: #334155;
    border: 1px solid var(--border);
}
.btn-secondary:hover {
    background-color: #e2e8f0;
}

.btn-success {
    background-color: var(--success);
    color: #fff;
}
.btn-success:hover {
    background-color: #059669;
}

.form-control, .form-select {
    padding: 9px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background-color: #fff;
    font-size: 0.9rem;
    color: var(--text-main);
    outline: none;
    transition: border-color 0.15s ease;
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

/* Trends Grid */
.trends-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 18px;
}

.trend-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 18px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.trend-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.trend-badge-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.badge {
    font-size: 0.72rem;
    font-weight: 600;
    padding: 3px 8px;
    border-radius: 4px;
    text-transform: uppercase;
}
.badge-physical { background: #e0f2fe; color: #0284c7; }
.badge-digital { background: #f3e8ff; color: #9333ea; }
.badge-service { background: #dcfce7; color: #16a34a; }
.badge-growth { background: #fef3c7; color: #d97706; }

.trend-title {
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 8px;
    line-height: 1.35;
}

.trend-meta-box {
    background-color: #f8fafc;
    border: 1px solid #f1f5f9;
    border-radius: var(--radius-sm);
    padding: 10px 12px;
    margin: 10px 0;
    font-size: 0.82rem;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.meta-row {
    display: flex;
    align-items: flex-start;
    gap: 6px;
    color: #475569;
}
.meta-row strong {
    color: var(--text-main);
    min-width: 55px;
}

.trend-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 12px;
    border-top: 1px solid var(--border);
    margin-top: 10px;
}

/* Kanban Board */
.kanban-board {
    display: flex;
    gap: 16px;
    overflow-x: auto;
    padding-bottom: 16px;
    min-height: calc(100vh - 240px);
}

.kanban-column {
    background-color: #f1f5f9;
    border-radius: var(--radius-lg);
    width: 300px;
    min-width: 300px;
    display: flex;
    flex-direction: column;
    max-height: 100%;
}

.column-header {
    padding: 14px 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top-left-radius: var(--radius-lg);
    border-top-right-radius: var(--radius-lg);
    border-top: 4px solid var(--primary);
    background: #fff;
    border-bottom: 1px solid var(--border);
}

.column-title {
    font-weight: 600;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.column-count {
    background: #f1f5f9;
    color: #64748b;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 2px 7px;
    border-radius: 12px;
}

.kanban-cards {
    padding: 12px;
    flex-grow: 1;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 10px;
    min-height: 150px;
}

.kanban-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 14px;
    box-shadow: var(--shadow-sm);
    cursor: grab;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.kanban-card:active {
    cursor: grabbing;
}

.kanban-card.dragging {
    opacity: 0.4;
}

.lead-name {
    font-weight: 600;
    font-size: 0.95rem;
    margin-bottom: 4px;
    color: var(--text-main);
}

.lead-product {
    font-size: 0.8rem;
    color: var(--primary);
    font-weight: 500;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 4px;
}

.lead-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.78rem;
    color: var(--text-muted);
    padding-top: 8px;
    border-top: 1px dashed var(--border);
}

.lead-value {
    font-weight: 700;
    color: #0f766e;
}

/* Strategy Report Visuals */
.strategy-report {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 24px;
    margin-top: 24px;
}

.report-section {
    margin-bottom: 24px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border);
}

.report-section:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.section-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
}

.copy-box {
    background: #f8fafc;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 14px;
    position: relative;
    font-size: 0.88rem;
    line-height: 1.5;
    white-space: pre-wrap;
    margin-top: 8px;
}

.btn-copy-float {
    position: absolute;
    top: 10px;
    right: 10px;
    padding: 4px 8px;
    font-size: 0.75rem;
}

/* Modals */
.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(15, 23, 42, 0.5);
    backdrop-filter: blur(2px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal-backdrop.active {
    display: flex;
}

.modal-content {
    background: #fff;
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 520px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    padding: 24px;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.2rem;
    cursor: pointer;
    color: var(--text-muted);
}

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 6px;
    color: #334155;
}

/* Responsive */
@media (max-width: 768px) {
    body {
        flex-direction: column;
    }
    .sidebar {
        width: 100%;
        height: auto;
    }
    .main-wrapper {
        height: auto;
        overflow: visible;
    }
    .kanban-board {
        flex-direction: column;
    }
    .kanban-column {
        width: 100%;
        min-width: 100%;
    }
}