/* ========================================
   CRM Application Styles
   Design System & Components
   ======================================== */

/* CSS Variables - Design System */
:root {
    /* Primary CRM Colors */
    --crm-primary: #10b981;
    --crm-primary-dark: #059669;
    --crm-primary-light: #d1fae5;
    --crm-secondary: #3b82f6;
    --crm-secondary-light: #dbeafe;

    /* Status Colors */
    --crm-success: #10b981;
    --crm-warning: #f59e0b;
    --crm-danger: #ef4444;
    --crm-info: #0ea5e9;

    /* Module Accent Colors */
    --accent-contacts: #8b5cf6;
    --accent-leads: #f97316;
    --accent-pipeline: #0ea5e9;
    --accent-activities: #14b8a6;
    --accent-communications: #6366f1;
    --accent-marketing: #ec4899;
    --accent-support: #8b5cf6;
    --accent-dashboard: #10b981;

    /* Neutral Colors */
    --crm-bg: #f8fafc;
    --crm-surface: #ffffff;
    --crm-border: #e2e8f0;
    --crm-text: #1e293b;
    --crm-text-muted: #64748b;
    --crm-text-light: #94a3b8;

    /* 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), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 350ms ease;
}

/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--crm-bg);
    color: var(--crm-text);
    line-height: 1.6;
    min-height: 100vh;
}

/* ========================================
   Layout - Sidebar & Main
   ======================================== */

.crm-container {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.crm-sidebar {
    width: 260px;
    background: linear-gradient(180deg, #1e293b 0%, #0f172a 100%);
    color: white;
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 100;
    overflow-y: auto;
}

.sidebar-header {
    padding: var(--space-lg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.sidebar-logo {
    width: 42px;
    height: 42px;
    background: var(--crm-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.25rem;
}

.sidebar-brand h1 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 2px;
}

.sidebar-brand span {
    font-size: 0.7rem;
    color: var(--crm-text-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.sidebar-nav {
    flex: 1;
    padding: var(--space-md) 0;
}

.nav-section {
    margin-bottom: var(--space-lg);
}

.nav-section-title {
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--crm-text-light);
    padding: 0 var(--space-lg);
    margin-bottom: var(--space-sm);
}

.nav-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: 0.75rem var(--space-lg);
    color: #cbd5e1;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    border-left: 3px solid transparent;
}

.nav-item:hover {
    background: rgba(255, 255, 255, 0.05);
    color: white;
}

.nav-item.active {
    background: rgba(16, 185, 129, 0.1);
    color: var(--crm-primary);
    border-left-color: var(--crm-primary);
}

.nav-item i {
    width: 20px;
    text-align: center;
    font-size: 0.95rem;
}

.nav-item span {
    font-size: 0.9rem;
}

.nav-badge {
    margin-left: auto;
    background: var(--crm-primary);
    color: white;
    font-size: 0.7rem;
    padding: 2px 8px;
    border-radius: var(--radius-full);
    font-weight: 600;
}

/* Main Content */
.crm-main {
    flex: 1;
    margin-left: 260px;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.crm-header {
    background: var(--crm-surface);
    padding: var(--space-md) var(--space-xl);
    border-bottom: 1px solid var(--crm-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 50;
}

.header-title {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.header-title h2 {
    font-size: 1.25rem;
    font-weight: 600;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.crm-content {
    flex: 1;
    padding: var(--space-xl);
    overflow-y: auto;
}

/* ========================================
   Tab Content
   ======================================== */

.tab-content {
    display: none;
    animation: fadeSlideIn 0.3s ease-out;
}

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

@keyframes fadeSlideIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ========================================
   Stats Grid
   ======================================== */

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
}

.stat-card {
    background: var(--crm-surface);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    border: 1px solid var(--crm-border);
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    transition: all var(--transition-fast);
}

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

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.stat-icon.green {
    background: var(--crm-primary-light);
    color: var(--crm-primary);
}

.stat-icon.blue {
    background: var(--crm-secondary-light);
    color: var(--crm-secondary);
}

.stat-icon.orange {
    background: #fef3c7;
    color: #d97706;
}

.stat-icon.purple {
    background: #ede9fe;
    color: #7c3aed;
}

.stat-icon.pink {
    background: #fce7f3;
    color: #db2777;
}

.stat-icon.teal {
    background: #ccfbf1;
    color: #0d9488;
}

.stat-info h3 {
    font-size: 0.85rem;
    color: var(--crm-text-muted);
    font-weight: 500;
    margin-bottom: 4px;
}

.stat-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--crm-text);
}

.stat-change {
    font-size: 0.75rem;
    margin-top: 4px;
}

.stat-change.positive {
    color: var(--crm-success);
}

.stat-change.negative {
    color: var(--crm-danger);
}

/* ========================================
   Cards
   ======================================== */

.crm-card {
    background: var(--crm-surface);
    border-radius: var(--radius-lg);
    border: 1px solid var(--crm-border);
    overflow: hidden;
    position: relative;
}

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

.card-header h3 {
    font-size: 1rem;
    font-weight: 600;
}

.card-body {
    padding: var(--space-lg);
}

.card-footer {
    padding: var(--space-md) var(--space-lg);
    border-top: 1px solid var(--crm-border);
    background: var(--crm-bg);
}

/* ========================================
   Tables
   ======================================== */

.crm-table {
    width: 100%;
    border-collapse: collapse;
}

.crm-table th {
    text-align: left;
    padding: var(--space-md) var(--space-lg);
    background: var(--crm-bg);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--crm-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--crm-border);
}

.crm-table td {
    padding: var(--space-md) var(--space-lg);
    border-bottom: 1px solid var(--crm-border);
    font-size: 0.9rem;
}

.crm-table tbody tr {
    transition: background var(--transition-fast);
}

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

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

/* Table with avatar */
.table-avatar {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    background: var(--crm-primary-light);
    color: var(--crm-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.85rem;
}

.table-user {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.table-user-info h4 {
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 2px;
}

.table-user-info span {
    font-size: 0.8rem;
    color: var(--crm-text-muted);
}

/* ========================================
   Buttons
   ======================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

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

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

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

.btn-secondary:hover:not(:disabled) {
    background: #2563eb;
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--crm-border);
    color: var(--crm-text);
}

.btn-outline:hover:not(:disabled) {
    background: var(--crm-bg);
    border-color: var(--crm-text-muted);
}

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

.btn-danger:hover:not(:disabled) {
    background: #dc2626;
}

.btn-ghost {
    background: transparent;
    color: var(--crm-text-muted);
    padding: 0.5rem;
}

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

.btn-sm {
    padding: 0.35rem 0.75rem;
    font-size: 0.8rem;
}

.btn-lg {
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
}

.btn-icon {
    width: 36px;
    height: 36px;
    padding: 0;
}

/* Action Buttons */
.action-btns {
    display: flex;
    gap: var(--space-xs);
}

/* ========================================
   Forms
   ======================================== */

.form-group {
    margin-bottom: var(--space-lg);
}

.form-label {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: var(--space-sm);
    color: var(--crm-text);
}

.form-label.required::after {
    content: '*';
    color: var(--crm-danger);
    margin-left: 4px;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 0.625rem 0.875rem;
    font-size: 0.9rem;
    border: 1px solid var(--crm-border);
    border-radius: var(--radius-md);
    background: var(--crm-surface);
    color: var(--crm-text);
    transition: all var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--crm-primary);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--crm-text-light);
}

.form-textarea {
    resize: vertical;
    min-height: 100px;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
}

.form-row-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}

.form-hint {
    font-size: 0.8rem;
    color: var(--crm-text-muted);
    margin-top: var(--space-xs);
}

.form-error {
    font-size: 0.8rem;
    color: var(--crm-danger);
    margin-top: var(--space-xs);
}

/* ========================================
   Badges & Pills
   ======================================== */

.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.625rem;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Status Badges */
.badge-new { background: #dbeafe; color: #1d4ed8; }
.badge-contacted { background: #fef3c7; color: #b45309; }
.badge-qualified { background: #d1fae5; color: #047857; }
.badge-converted { background: #ede9fe; color: #6d28d9; }
.badge-lost { background: #fee2e2; color: #dc2626; }

/* Priority Badges */
.badge-critical { background: #fee2e2; color: #dc2626; }
.badge-high { background: #fef3c7; color: #d97706; }
.badge-medium { background: #dbeafe; color: #2563eb; }
.badge-low { background: #d1fae5; color: #059669; }

/* Lead Rating Badges */
.badge-hot { background: #fee2e2; color: #dc2626; }
.badge-warm { background: #fef3c7; color: #d97706; }
.badge-cold { background: #e0e7ff; color: #4f46e5; }

/* Pipeline Stage Badges */
.badge-prospect { background: #e0e7ff; color: #4f46e5; }
.badge-qualification { background: #dbeafe; color: #2563eb; }
.badge-proposal { background: #fef3c7; color: #d97706; }
.badge-negotiation { background: #fce7f3; color: #be185d; }
.badge-closed-won { background: #d1fae5; color: #047857; }
.badge-closed-lost { background: #fee2e2; color: #dc2626; }

/* Ticket Status Badges */
.badge-open { background: #dbeafe; color: #1d4ed8; }
.badge-in-progress { background: #fef3c7; color: #b45309; }
.badge-resolved { background: #d1fae5; color: #047857; }
.badge-closed { background: #e2e8f0; color: #475569; }

/* Campaign Status Badges */
.badge-draft { background: #e2e8f0; color: #475569; }
.badge-active { background: #d1fae5; color: #047857; }
.badge-paused { background: #fef3c7; color: #b45309; }
.badge-completed { background: #dbeafe; color: #1d4ed8; }

/* ========================================
   Modals
   ======================================== */

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(15, 23, 42, 0.5);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.modal-overlay.open {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--crm-surface);
    border-radius: var(--radius-xl);
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transform: scale(0.95) translateY(20px);
    transition: transform var(--transition-normal);
}

.modal-overlay.open .modal {
    transform: scale(1) translateY(0);
}

.modal-lg {
    max-width: 800px;
}

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

.modal-header h3 {
    font-size: 1.125rem;
    font-weight: 600;
}

.modal-close {
    width: 32px;
    height: 32px;
    border: none;
    background: transparent;
    cursor: pointer;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--crm-text-muted);
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background: var(--crm-bg);
    color: var(--crm-text);
}

.modal-body {
    padding: var(--space-lg);
    overflow-y: auto;
    flex: 1;
}

.modal-footer {
    padding: var(--space-md) var(--space-lg);
    border-top: 1px solid var(--crm-border);
    display: flex;
    justify-content: flex-end;
    gap: var(--space-md);
    background: var(--crm-bg);
}

/* ========================================
   Toast Notifications
   ======================================== */

.toast-container {
    position: fixed;
    top: var(--space-xl);
    right: var(--space-xl);
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.toast {
    background: var(--crm-surface);
    border-radius: var(--radius-md);
    padding: var(--space-md) var(--space-lg);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: var(--space-md);
    min-width: 300px;
    animation: slideIn 0.3s ease-out;
    border-left: 4px solid var(--crm-primary);
}

.toast.success { border-left-color: var(--crm-success); }
.toast.error { border-left-color: var(--crm-danger); }
.toast.warning { border-left-color: var(--crm-warning); }
.toast.info { border-left-color: var(--crm-info); }

.toast-icon {
    width: 24px;
    height: 24px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
}

.toast.success .toast-icon { background: var(--crm-primary-light); color: var(--crm-success); }
.toast.error .toast-icon { background: #fee2e2; color: var(--crm-danger); }
.toast.warning .toast-icon { background: #fef3c7; color: var(--crm-warning); }
.toast.info .toast-icon { background: #e0f2fe; color: var(--crm-info); }

.toast-message {
    flex: 1;
    font-size: 0.9rem;
}

.toast-close {
    background: transparent;
    border: none;
    color: var(--crm-text-muted);
    cursor: pointer;
    padding: 4px;
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* ========================================
   Loading Spinner
   ======================================== */

.loader-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.8);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 10;
    border-radius: var(--radius-lg);
}

.loader-overlay.active {
    display: flex;
}

.spinner {
    width: 36px;
    height: 36px;
    border: 3px solid var(--crm-border);
    border-top-color: var(--crm-primary);
    border-radius: var(--radius-full);
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ========================================
   Pipeline Stages (Kanban-style)
   ======================================== */

.pipeline-container {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: var(--space-lg);
    overflow-x: auto;
    padding-bottom: var(--space-md);
}

.pipeline-column {
    background: var(--crm-bg);
    border-radius: var(--radius-lg);
    min-width: 220px;
}

.pipeline-header {
    padding: var(--space-md);
    border-bottom: 2px solid;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.pipeline-header.prospect { border-color: #6366f1; }
.pipeline-header.qualification { border-color: #3b82f6; }
.pipeline-header.proposal { border-color: #f59e0b; }
.pipeline-header.negotiation { border-color: #ec4899; }
.pipeline-header.closed { border-color: #10b981; }

.pipeline-header h4 {
    font-size: 0.85rem;
    font-weight: 600;
}

.pipeline-count {
    background: var(--crm-surface);
    padding: 2px 8px;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--crm-text-muted);
}

.pipeline-body {
    padding: var(--space-md);
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    min-height: 200px;
}

.opportunity-card {
    background: var(--crm-surface);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    border: 1px solid var(--crm-border);
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

.opp-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: var(--space-sm);
}

.opp-name {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--crm-text);
}

.opp-amount {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--crm-primary);
}

.opp-account {
    font-size: 0.8rem;
    color: var(--crm-text-muted);
    margin-bottom: var(--space-sm);
}

.opp-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.75rem;
    color: var(--crm-text-muted);
}

.opp-probability {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

/* ========================================
   Progress Bars
   ======================================== */

.progress-bar {
    height: 8px;
    background: var(--crm-border);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    border-radius: var(--radius-full);
    transition: width var(--transition-normal);
}

.progress-fill.green { background: var(--crm-success); }
.progress-fill.blue { background: var(--crm-secondary); }
.progress-fill.orange { background: var(--crm-warning); }
.progress-fill.red { background: var(--crm-danger); }

/* Lead Score Progress */
.lead-score {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.lead-score-bar {
    flex: 1;
    height: 6px;
    background: var(--crm-border);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.lead-score-fill {
    height: 100%;
    border-radius: var(--radius-full);
}

.lead-score-value {
    font-size: 0.8rem;
    font-weight: 600;
    min-width: 32px;
    text-align: right;
}

/* ========================================
   Activity Timeline
   ======================================== */

.activity-list {
    display: flex;
    flex-direction: column;
}

.activity-item {
    display: flex;
    gap: var(--space-md);
    padding: var(--space-md) 0;
    border-bottom: 1px solid var(--crm-border);
}

.activity-item:last-child {
    border-bottom: none;
}

.activity-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    flex-shrink: 0;
}

.activity-icon.call { background: #dbeafe; color: #2563eb; }
.activity-icon.meeting { background: #ede9fe; color: #7c3aed; }
.activity-icon.email { background: #fce7f3; color: #db2777; }
.activity-icon.task { background: #d1fae5; color: #059669; }

.activity-content {
    flex: 1;
}

.activity-title {
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 4px;
}

.activity-meta {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    font-size: 0.8rem;
    color: var(--crm-text-muted);
}

.activity-time {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.activity-overdue {
    color: var(--crm-danger);
}

/* ========================================
   Campaign Cards
   ======================================== */

.campaign-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--space-lg);
}

.campaign-card {
    background: var(--crm-surface);
    border-radius: var(--radius-lg);
    border: 1px solid var(--crm-border);
    overflow: hidden;
    transition: all var(--transition-fast);
}

.campaign-card:hover {
    box-shadow: var(--shadow-md);
}

.campaign-header {
    padding: var(--space-lg);
    border-bottom: 1px solid var(--crm-border);
}

.campaign-header h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.campaign-type {
    font-size: 0.8rem;
    color: var(--crm-text-muted);
}

.campaign-metrics {
    padding: var(--space-lg);
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-md);
    text-align: center;
}

.metric-item span {
    display: block;
    font-size: 0.7rem;
    color: var(--crm-text-muted);
    text-transform: uppercase;
    margin-bottom: 4px;
}

.metric-item strong {
    font-size: 1.1rem;
    color: var(--crm-text);
}

.campaign-footer {
    padding: var(--space-md) var(--space-lg);
    background: var(--crm-bg);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* ========================================
   Toolbar & Filters
   ======================================== */

.toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-lg);
    gap: var(--space-md);
    flex-wrap: wrap;
}

.toolbar-left {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.toolbar-right {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.search-box {
    position: relative;
}

.search-box input {
    padding-left: 2.5rem;
    min-width: 250px;
}

.search-box i {
    position: absolute;
    left: 0.875rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--crm-text-muted);
}

/* ========================================
   Empty State
   ======================================== */

.empty-state {
    text-align: center;
    padding: var(--space-xl) * 2;
    color: var(--crm-text-muted);
}

.empty-state i {
    font-size: 3rem;
    margin-bottom: var(--space-lg);
    opacity: 0.5;
}

.empty-state h3 {
    font-size: 1.125rem;
    margin-bottom: var(--space-sm);
    color: var(--crm-text);
}

.empty-state p {
    font-size: 0.9rem;
    margin-bottom: var(--space-lg);
}

/* ========================================
   Quick Actions
   ======================================== */

.quick-actions {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.quick-action {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background: var(--crm-surface);
    border: 1px solid var(--crm-border);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-size: 0.85rem;
}

.quick-action:hover {
    background: var(--crm-primary-light);
    border-color: var(--crm-primary);
    color: var(--crm-primary-dark);
}

/* ========================================
   Funnel Stats
   ======================================== */

.funnel-stats {
    display: flex;
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
}

.funnel-item {
    flex: 1;
    background: var(--crm-surface);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    text-align: center;
    border: 1px solid var(--crm-border);
    position: relative;
}

.funnel-item::after {
    content: '';
    position: absolute;
    right: -12px;
    top: 50%;
    transform: translateY(-50%);
    border: 8px solid transparent;
    border-left-color: var(--crm-border);
}

.funnel-item:last-child::after {
    display: none;
}

.funnel-count {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--space-xs);
}

.funnel-label {
    font-size: 0.85rem;
    color: var(--crm-text-muted);
}

.funnel-item.new .funnel-count { color: #3b82f6; }
.funnel-item.contacted .funnel-count { color: #f59e0b; }
.funnel-item.qualified .funnel-count { color: #8b5cf6; }
.funnel-item.converted .funnel-count { color: #10b981; }

/* ========================================
   Communication Log
   ======================================== */

.comm-item {
    display: flex;
    gap: var(--space-md);
    padding: var(--space-md);
    border-bottom: 1px solid var(--crm-border);
}

.comm-item:last-child {
    border-bottom: none;
}

.comm-icon {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.comm-icon.sent { background: #d1fae5; color: #059669; }
.comm-icon.opened { background: #dbeafe; color: #2563eb; }
.comm-icon.replied { background: #ede9fe; color: #7c3aed; }

.comm-content h4 {
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 4px;
}

.comm-content p {
    font-size: 0.85rem;
    color: var(--crm-text-muted);
    margin-bottom: 4px;
}

.comm-time {
    font-size: 0.75rem;
    color: var(--crm-text-light);
}

/* ========================================
   SLA Indicators
   ======================================== */

.sla-indicator {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: 0.8rem;
}

.sla-indicator.on-track { color: var(--crm-success); }
.sla-indicator.warning { color: var(--crm-warning); }
.sla-indicator.breached { color: var(--crm-danger); }

/* ========================================
   Responsive Design
   ======================================== */

@media (max-width: 1024px) {
    .pipeline-container {
        grid-template-columns: repeat(3, 1fr);
    }

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

    .form-row-3 {
        grid-template-columns: 1fr;
    }

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

/* Mobile Toggle Button */
.mobile-toggle {
    display: none;
    width: 40px;
    height: 40px;
    border: none;
    background: var(--crm-primary);
    color: white;
    border-radius: var(--radius-md);
    cursor: pointer;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    transition: background var(--transition-fast);
    flex-shrink: 0;
}

.mobile-toggle:hover {
    background: var(--crm-primary-dark);
}

/* Sidebar Overlay */
.sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 99;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.sidebar-overlay.open {
    display: block;
    opacity: 1;
}

@media (max-width: 768px) {
    .mobile-toggle {
        display: flex;
    }

    .crm-sidebar {
        transform: translateX(-100%);
        transition: transform var(--transition-normal);
    }

    .crm-sidebar.open {
        transform: translateX(0);
    }

    .crm-main {
        margin-left: 0;
    }

    .pipeline-container {
        grid-template-columns: 1fr;
    }

    .funnel-stats {
        flex-wrap: wrap;
    }

    .funnel-item {
        flex: 1 1 45%;
    }

    .funnel-item::after {
        display: none;
    }

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

    .toolbar-left,
    .toolbar-right {
        width: 100%;
        justify-content: space-between;
    }

    .search-box input {
        min-width: 100%;
    }

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

    .modal {
        width: 95%;
        max-height: 85vh;
    }
}

/* ========================================
   Utility Classes
   ======================================== */

.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--crm-text-muted); }
.text-success { color: var(--crm-success); }
.text-danger { color: var(--crm-danger); }
.text-warning { color: var(--crm-warning); }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--space-sm); }
.mt-2 { margin-top: var(--space-md); }
.mt-3 { margin-top: var(--space-lg); }
.mt-4 { margin-top: var(--space-xl); }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--space-sm); }
.mb-2 { margin-bottom: var(--space-md); }
.mb-3 { margin-bottom: var(--space-lg); }
.mb-4 { margin-bottom: var(--space-xl); }

.d-flex { display: flex; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: var(--space-sm); }
.gap-2 { gap: var(--space-md); }
.gap-3 { gap: var(--space-lg); }

.hidden { display: none !important; }