/* Modern Minimalist Design System */
:root {
    /* Colors */
    --color-primary: #4F46E5;
    --color-primary-dark: #4338CA;
    --color-secondary: #6B7280;
    --color-success: #10B981;
    --color-danger: #EF4444;
    --color-warning: #F59E0B;
    --color-info: #3B82F6;

    /* Neutrals */
    --color-bg: #F9FAFB;
    --color-surface: #FFFFFF;
    --color-border: #E5E7EB;
    --color-text: #111827;
    --color-text-muted: #6B7280;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 0.75rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
}

/* Layout */
.dashboard-container,
.crm-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-xl);
}

/* Headers */
h1 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.text-muted {
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

.text-center {
    text-align: center;
}

/* Dashboard/CRM Header */
.dashboard-header,
.crm-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xl);
}

.header-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
}

.stat-card {
    background: var(--color-surface);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
    text-align: center;
    min-width: 100px;
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin-top: var(--spacing-xs);
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.stats-grid .stat-card {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    text-align: left;
}

.stat-icon {
    font-size: 2.5rem;
}

.stat-info {
    flex: 1;
}

/* Filters Section */
.filters-section {
    background: var(--color-surface);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
    margin-bottom: var(--spacing-xl);
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    align-items: flex-end;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    min-width: 200px;
    position: relative;
}

.filter-group label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text);
}

/* Add visual indicator when filter is active */
.filter-group select:not([value=""]),
.filter-group input:not([value=""]) {
    border-color: var(--color-primary);
    background-color: rgba(79, 70, 229, 0.05);
}

.filter-group input,
.filter-group select {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    background: var(--color-surface);
    color: var(--color-text);
    font-weight: 500;
    cursor: pointer;
}

.filter-group select {
    appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 0.5rem center;
    background-size: 1.2em;
    padding-right: 2.5rem;
}

.filter-group input:focus,
.filter-group select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
    background-color: var(--color-surface);
}

.filter-group select option {
    padding: var(--spacing-sm);
    background: var(--color-surface);
    color: var(--color-text);
}

.filter-group select option:checked,
.filter-group select option:hover {
    background: var(--color-primary);
    color: white;
}

/* Buttons */
.btn-primary,
.btn-secondary,
.btn-icon {
    padding: var(--spacing-sm) var(--spacing-md);
    border: none;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

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

.btn-primary:hover:not(:disabled) {
    background: var(--color-primary-dark);
}

.btn-secondary {
    background: var(--color-surface);
    color: var(--color-text);
    border: 1px solid var(--color-border);
}

.btn-secondary:hover:not(:disabled) {
    background: var(--color-bg);
}

.btn-icon {
    padding: var(--spacing-xs);
    background: transparent;
    border: 1px solid var(--color-border);
    font-size: 1.2rem;
}

.btn-icon:hover:not(:disabled) {
    background: var(--color-bg);
}

button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Badges */
.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 500;
}

.badge-sm {
    padding: 0.125rem 0.5rem;
    font-size: 0.7rem;
}

.badge-primary { background: #EEF2FF; color: var(--color-primary); }
.badge-secondary { background: #F3F4F6; color: var(--color-secondary); }
.badge-success { background: #D1FAE5; color: #065F46; }
.badge-danger { background: #FEE2E2; color: #991B1B; }
.badge-warning { background: #FEF3C7; color: #92400E; }
.badge-info { background: #DBEAFE; color: #1E40AF; }

/* Section Cards */
.section-card {
    background: var(--color-surface);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
    margin-bottom: var(--spacing-xl);
    overflow: hidden;
}

.section-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Tables */
.table-container {
    overflow-x: auto;
}

.modern-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

.modern-table thead {
    background: var(--color-bg);
}

.modern-table th {
    padding: var(--spacing-md);
    text-align: left;
    font-weight: 600;
    color: var(--color-text);
    border-bottom: 2px solid var(--color-border);
}

.modern-table td {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
}

.modern-table tbody tr:hover {
    background: var(--color-bg);
}

.compact-table {
    width: 100%;
    font-size: 0.8rem;
}

.compact-table th {
    padding: var(--spacing-sm);
    background: var(--color-bg);
    font-weight: 600;
}

.compact-table td {
    padding: var(--spacing-sm);
    border-bottom: 1px solid var(--color-border);
}

/* Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: var(--spacing-lg);
}

.modal-content-large {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    max-width: 1200px;
    width: 100%;
    max-height: 90vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.modal-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-body {
    padding: var(--spacing-lg);
    overflow-y: auto;
}

.close-btn {
    background: none;
    border: none;
    font-size: 2rem;
    cursor: pointer;
    color: var(--color-text-muted);
    line-height: 1;
}

.close-btn:hover {
    color: var(--color-text);
}

/* Detail Sections */
.detail-section {
    margin-bottom: var(--spacing-xl);
}

.detail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.detail-grid div {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.detail-grid label {
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

.detail-grid span,
.detail-grid a {
    color: var(--color-text);
}

/* Project Status Cards */
.project-list {
    display: grid;
    gap: var(--spacing-sm);
}

.project-status-card {
    padding: var(--spacing-md);
    background: var(--color-bg);
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
}

/* Email & Reply Cards */
.email-list,
.reply-list {
    display: grid;
    gap: var(--spacing-md);
}

.email-card,
.reply-card,
.email-card-compact {
    padding: var(--spacing-md);
    background: var(--color-bg);
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
}

.email-header,
.reply-header,
.email-compact-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-sm);
}

.email-meta,
.email-compact-meta {
    display: flex;
    gap: var(--spacing-md);
    font-size: 0.8rem;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-sm);
}

.email-body {
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-border);
}

.email-body p {
    font-size: 0.875rem;
    color: var(--color-text);
    line-height: 1.6;
    max-height: 200px;
    overflow-y: auto;
}

/* Stats Row */
.stats-row {
    display: flex;
    gap: var(--spacing-lg);
    margin: var(--spacing-md) 0;
}

.mini-stat {
    text-align: center;
    padding: var(--spacing-md);
    background: var(--color-bg);
    border-radius: var(--radius-sm);
    flex: 1;
}

.mini-stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
}

.mini-stat-label {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    margin-top: var(--spacing-xs);
}

/* Breakdown */
.breakdown {
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--color-bg);
    border-radius: var(--radius-sm);
}

.status-badges {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
}

/* Tabs */
.tabs {
    display: flex;
    gap: var(--spacing-sm);
    border-bottom: 2px solid var(--color-border);
    margin-bottom: var(--spacing-md);
}

.tabs button {
    padding: var(--spacing-md);
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    color: var(--color-text-muted);
}

.tabs button:hover {
    color: var(--color-text);
}

.tabs button.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}

.tab-content {
    animation: fadeIn 0.3s;
}

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

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: var(--color-surface);
    border-radius: var(--radius-md);
    margin-top: var(--spacing-lg);
}

/* Links */
a {
    color: var(--color-primary);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* Responsive */
@media (max-width: 768px) {
    .dashboard-container,
    .crm-container {
        padding: var(--spacing-md);
    }

    .header-stats {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .filters-section {
        flex-direction: column;
    }

    .filter-group {
        width: 100%;
    }

    .modal-content-large {
        max-width: 100%;
        max-height: 100vh;
        border-radius: 0;
    }
}