:root {
    --primary: #0EA5E9;
    --primary-hover: #0284C7;
    --bg-color: #F8FAFC;
    --card-bg: rgba(255, 255, 255, 0.9);
    --text-main: #0F172A;
    --text-muted: #64748B;
    --border: #E2E8F0;
    --success: #10B981;
    --danger: #EF4444;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Inter', sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-main);
    line-height: 1.5;
    background-image: 
        radial-gradient(at 40% 20%, hsla(200, 100%, 74%, 0.15) 0px, transparent 50%),
        radial-gradient(at 80% 0%, hsla(189, 100%, 56%, 0.15) 0px, transparent 50%);
    background-attachment: fixed;
    min-height: 100vh;
}

/* Navbar */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo {
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--primary);
}

.summary {
    display: flex;
    gap: 1.5rem;
    align-items: center;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.stat strong {
    color: var(--text-main);
    font-size: 1rem;
}

/* Buttons */
.btn {
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    font-weight: 500;
    font-size: 0.875rem;
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

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

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 6px -1px rgba(14, 165, 233, 0.2);
}

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

.btn-outline:hover {
    background-color: #F1F5F9;
}

.btn-small {
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
}

/* Layout */
.container {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 1rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

/* Cards */
.card {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border-radius: 1rem;
    border: 1px solid var(--border);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.05);
    overflow: hidden;
}

.card-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border);
}

.card-header h2 {
    font-size: 1.125rem;
    font-weight: 600;
}

.card-header p {
    color: var(--text-muted);
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

.table-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.table-header .right {
    display: flex;
    gap: 0.75rem;
}

/* Chart */
.chart-container {
    padding: 1.5rem;
    height: 300px;
}

/* Table */
.table-responsive {
    overflow-x: auto;
}

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

th {
    background-color: #F8FAFC;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.75rem;
    padding: 1rem;
    text-align: left;
    white-space: nowrap;
}

td {
    padding: 1rem;
    border-top: 1px solid var(--border);
    vertical-align: middle;
}

tbody tr:hover {
    background-color: #F1F5F9;
}

/* Inputs */
input[type="text"], input[type="number"], select, textarea {
    width: 100%;
    padding: 0.5rem;
    border: 1px solid var(--border);
    border-radius: 0.375rem;
    font-family: inherit;
    font-size: 0.875rem;
    transition: border-color 0.2s;
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.1);
}

td input, td select {
    background: transparent;
    border-color: transparent;
    padding: 0.25rem;
}
td input:focus, td select:focus {
    background: white;
    border-color: var(--primary);
}

/* Status Badge */
.status-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
}
.status-lead { background: #DBEAFE; color: #1E40AF; }
.status-closing { background: #D1FAE5; color: #065F46; }

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal-content {
    background-color: white;
    padding: 2rem;
    border-radius: 1rem;
    width: 100%;
    max-width: 500px;
    position: relative;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    animation: modalSlide 0.3s ease;
}

@keyframes modalSlide {
    from { transform: translateY(-20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.close {
    position: absolute;
    right: 1.5rem;
    top: 1.5rem;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-muted);
}

.form-group {
    margin-bottom: 1.5rem;
}
.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    font-size: 0.875rem;
}
.modal-content h2 { margin-bottom: 1.5rem; }
.modal-content .btn { width: 100%; justify-content: center; padding: 0.75rem; }