@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    /* Color Palette */
    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --primary-light: #e0e7ff;
    --secondary: #64748b;
    --success: #10b981;
    --success-light: #d1fae5;
    --warning: #f59e0b;
    --warning-light: #fef3c7;
    --danger: #ef4444;
    --danger-light: #fee2e2;
    --info: #06b6d4;
    --info-light: #ecfeff;
    
    /* Backgrounds */
    --bg-main: #f8fafc;
    --bg-card: #ffffff;
    --bg-sidebar: #0f172a;
    --border-color: #e2e8f0;
    
    /* Text Colors */
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    --text-light: #ffffff;
    
    /* 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 -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --shadow-premium: 0 20px 25px -5px rgba(0, 0, 0, 0.05), 0 8px 10px -6px rgba(0, 0, 0, 0.05);
    
    /* Layout */
    --sidebar-width: 260px;
    --border-radius: 12px;
    --border-radius-sm: 8px;
    
    /* Fonts */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
}

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

body {
    font-family: var(--font-body);
    background-color: var(--bg-main);
    color: var(--text-primary);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--text-primary);
    font-weight: 600;
}

/* App Layout */
.app-container {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background-color: var(--bg-sidebar);
    color: var(--text-light);
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    left: 0;
    top: 0;
    z-index: 100;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-lg);
}

.sidebar-brand {
    padding: 24px;
    font-family: var(--font-heading);
    font-size: 20px;
    font-weight: 700;
    letter-spacing: 0.5px;
    display: flex;
    align-items: center;
    gap: 10px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-brand span {
    background: linear-gradient(135deg, #a5b4fc, var(--primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.sidebar-menu {
    list-style: none;
    padding: 24px 16px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex-grow: 1;
}

.sidebar-menu-item a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    color: var(--text-muted);
    text-decoration: none;
    border-radius: var(--border-radius-sm);
    font-weight: 500;
    font-size: 14px;
    transition: all 0.2s ease;
}

.sidebar-menu-item a:hover {
    color: var(--text-light);
    background-color: rgba(255, 255, 255, 0.05);
}

.sidebar-menu-item.active a {
    background-color: var(--primary);
    color: var(--text-light);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.sidebar-footer {
    padding: 20px 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 12px;
    color: var(--text-muted);
}

/* Main Content Area */
.main-content {
    flex-grow: 1;
    margin-left: var(--sidebar-width);
    padding: 40px;
    min-width: 0; /* Prevents flex items from overflowing */
}

/* Navbar / Header */
.top-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
}

.page-title h1 {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary);
}

.page-title p {
    color: var(--text-secondary);
    font-size: 14px;
    margin-top: 4px;
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 12px;
    background-color: var(--bg-card);
    padding: 8px 16px;
    border-radius: 30px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
}

.user-avatar {
    width: 32px;
    height: 32px;
    background-color: var(--primary-light);
    color: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 14px;
}

.user-info {
    font-size: 13px;
}

.user-name {
    font-weight: 600;
}

.user-role {
    color: var(--text-muted);
    font-size: 11px;
    text-transform: uppercase;
    font-weight: 700;
}

/* Flash Messages */
.flash-message {
    padding: 16px;
    border-radius: var(--border-radius);
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-weight: 500;
    animation: fadeIn 0.3s ease;
}

.flash-message.success {
    background-color: var(--success-light);
    color: var(--success);
    border-left: 4px solid var(--success);
}

.flash-message.error {
    background-color: var(--danger-light);
    color: var(--danger);
    border-left: 4px solid var(--danger);
}

.flash-close {
    cursor: pointer;
    background: none;
    border: none;
    font-weight: 700;
    color: inherit;
    font-size: 18px;
}

/* Dashboard Metrics Grid */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 24px;
    margin-bottom: 32px;
}

.metric-card {
    background-color: var(--bg-card);
    border-radius: var(--border-radius);
    padding: 24px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: relative;
    overflow: hidden;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

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

.metric-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background-color: var(--primary);
}

.metric-card.success::before { background-color: var(--success); }
.metric-card.warning::before { background-color: var(--warning); }
.metric-card.danger::before { background-color: var(--danger); }
.metric-card.info::before { background-color: var(--info); }

.metric-label {
    font-size: 14px;
    color: var(--text-secondary);
    font-weight: 500;
}

.metric-value {
    font-size: 32px;
    font-weight: 700;
    margin-top: 8px;
    color: var(--text-primary);
    font-family: var(--font-heading);
}

.metric-footer {
    margin-top: 12px;
    font-size: 12px;
    color: var(--text-muted);
}

/* Charts & Main Section Grid */
.dashboard-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 24px;
    margin-bottom: 32px;
}

@media (max-width: 1024px) {
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
}

.card {
    background-color: var(--bg-card);
    border-radius: var(--border-radius);
    padding: 24px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    margin-bottom: 24px;
}

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

.card-title {
    font-size: 18px;
    font-weight: 700;
}

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

.table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 14px;
}

.table th {
    padding: 14px 16px;
    background-color: var(--bg-main);
    color: var(--text-secondary);
    font-weight: 600;
    border-bottom: 1px solid var(--border-color);
}

.table td {
    padding: 14px 16px;
    border-bottom: 1px solid var(--border-color);
    vertical-align: middle;
}

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

.table tbody tr:hover {
    background-color: rgba(248, 250, 252, 0.5);
}

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
}

.badge-new { background-color: var(--primary-light); color: var(--primary); }
.badge-contacted { background-color: var(--info-light); color: var(--info); }
.badge-proposal { background-color: var(--warning-light); color: var(--warning); }
.badge-negotiating { background-color: #fef08a; color: #a16207; }
.badge-won { background-color: var(--success-light); color: var(--success); }
.badge-lost { background-color: var(--danger-light); color: var(--danger); }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    border-radius: var(--border-radius-sm);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    border: 1px solid transparent;
    text-decoration: none;
}

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

.btn-primary:hover {
    background-color: var(--primary-hover);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.2);
}

.btn-secondary {
    background-color: var(--bg-main);
    color: var(--text-secondary);
    border-color: var(--border-color);
}

.btn-secondary:hover {
    background-color: var(--border-color);
}

.btn-danger {
    background-color: var(--danger);
    color: var(--text-light);
}

.btn-danger:hover {
    background-color: #dc2626;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
}

/* Kanban Board Styling */
.kanban-view {
    display: grid;
    grid-template-columns: repeat(6, minmax(250px, 1fr));
    gap: 16px;
    overflow-x: auto;
    padding-bottom: 16px;
}

.kanban-column {
    background-color: #f1f5f9;
    border-radius: var(--border-radius);
    padding: 16px;
    display: flex;
    flex-direction: column;
    height: calc(100vh - 220px);
    min-height: 500px;
}

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

.kanban-column-title {
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.kanban-card-count {
    background-color: var(--border-color);
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 12px;
    color: var(--text-secondary);
    font-weight: 600;
}

.kanban-cards {
    flex-grow: 1;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 2px;
}

.kanban-card {
    background-color: var(--bg-card);
    border-radius: var(--border-radius-sm);
    padding: 16px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    cursor: grab;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

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

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

.kanban-card-title {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 8px;
}

.kanban-card-company {
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 12px;
}

.kanban-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid var(--border-color);
    padding-top: 10px;
    font-size: 12px;
}

.kanban-card-value {
    font-weight: 700;
    color: var(--primary);
}

/* Forms styling */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.form-control {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    font-family: var(--font-body);
    font-size: 14px;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3E%3Cpath stroke='%236B7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3E%3C/svg%3E");
    background-position: right 10px center;
    background-repeat: no-repeat;
    background-size: 20px;
    padding-right: 36px;
}

/* Login Page Layout */
.login-container {
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background: radial-gradient(circle at 10% 20%, rgba(216, 241, 230, 0.46) 0.1%, rgba(233, 226, 226, 0.28) 90.1%);
    padding: 20px;
}

.login-card {
    background-color: var(--bg-card);
    width: 100%;
    max-width: 440px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-premium);
    padding: 40px;
    border: 1px solid var(--border-color);
}

.login-logo {
    text-align: center;
    margin-bottom: 32px;
    font-family: var(--font-heading);
    font-size: 24px;
    font-weight: 800;
}

.login-logo span {
    background: linear-gradient(135deg, var(--primary), #818cf8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Modals */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(15, 23, 42, 0.6);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(4px);
    animation: fadeIn 0.2s ease;
}

.modal-content {
    background-color: var(--bg-card);
    border-radius: var(--border-radius);
    width: 100%;
    max-width: 600px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
    animation: slideUp 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-title {
    font-size: 18px;
    font-weight: 700;
}

.modal-close {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 20px;
    color: var(--text-secondary);
}

.modal-body {
    padding: 24px;
    max-height: 70vh;
    overflow-y: auto;
}

.modal-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

/* Timeline & Feed styling for Lead details */
.timeline {
    position: relative;
    padding-left: 24px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 7px;
    top: 0;
    bottom: 0;
    width: 2px;
    background-color: var(--border-color);
}

.timeline-item {
    position: relative;
    margin-bottom: 24px;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -22px;
    top: 6px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: var(--primary);
    border: 2px solid var(--bg-card);
}

.timeline-item.system::before {
    background-color: var(--secondary);
}

.timeline-header {
    display: flex;
    justify-content: space-between;
    font-size: 13px;
    margin-bottom: 4px;
}

.timeline-user {
    font-weight: 600;
}

.timeline-time {
    color: var(--text-muted);
}

.timeline-content {
    font-size: 14px;
    color: var(--text-secondary);
}

/* Filters & Tool Bar */
.toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    margin-bottom: 24px;
}

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

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

@keyframes slideUp {
    from { transform: translateY(16px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

/* Responsive details */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.open {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
        padding: 20px;
    }
    
    .toolbar {
        flex-direction: column;
        align-items: stretch;
    }
}