:root {
    --primary-color: #4a6bff;
    --secondary-color: #f5f7ff;
    --text-color: #333;
    --bg-color: #fff;
    --card-bg: #f8f9fa;
    --border-color: #e0e0e0;
    --success-color: #28a745;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --info-color: #17a2b8;
}

[data-theme="dark"] {
    --primary-color: #6c8eff;
    --secondary-color: #1a1a2e;
    --text-color: #f0f0f0;
    --bg-color: #16213e;
    --card-bg: #0f3460;
    --border-color: #2a3a5e;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    transition: background-color 0.3s, color 0.3s;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    padding: 20px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

h1 {
    color: var(--primary-color);
}

.theme-toggle {
    display: flex;
    align-items: center;
    gap: 10px;
}

.switch {
    position: relative;
    display: inline-block;
    width: 60px;
    height: 30px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #ccc;
    transition: .4s;
    border-radius: 34px;
}

.slider:before {
    position: absolute;
    content: "";
    height: 22px;
    width: 22px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    transition: .4s;
    border-radius: 50%;
}

input:checked + .slider {
    background-color: var(--primary-color);
}

input:checked + .slider:before {
    transform: translateX(30px);
}

.dashboard {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stats-card {
    background-color: var(--card-bg);
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.stats-card h3 {
    color: var(--primary-color);
    margin-bottom: 10px;
    font-size: 1.2rem;
}

.stat {
    font-size: 2rem;
    font-weight: bold;
}

.controls {
    display: flex;
    justify-content: space-between;
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 15px;
}

.filter-controls select {
    padding: 10px 15px;
    border-radius: 5px;
    border: 1px solid var(--border-color);
    background-color: var(--card-bg);
    color: var(--text-color);
    font-size: 1rem;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1rem;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: opacity 0.3s;
}

.btn-primary:hover {
    opacity: 0.9;
}

.applications-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.applications-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.job-card {
    background-color: var(--card-bg);
    border-radius: 8px;
    padding: 15px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    border-left: 4px solid var(--primary-color);
    position: relative;
}

.job-card.applied {
    border-left-color: var(--info-color);
}

.job-card.interview {
    border-left-color: var(--warning-color);
}

.job-card.offer {
    border-left-color: var(--success-color);
}

.job-card.rejected {
    border-left-color: var(--danger-color);
}

.job-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
}

.job-title {
    font-weight: bold;
    font-size: 1.1rem;
}

.job-company {
    color: var(--primary-color);
    font-weight: 500;
}

.job-date {
    font-size: 0.9rem;
    color: #888;
}

.job-status {
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: bold;
    text-transform: uppercase;
}

.status-applied {
    background-color: rgba(23, 162, 184, 0.2);
    color: var(--info-color);
}

.status-interview {
    background-color: rgba(255, 193, 7, 0.2);
    color: var(--warning-color);
}

.status-offer {
    background-color: rgba(40, 167, 69, 0.2);
    color: var(--success-color);
}

.status-rejected {
    background-color: rgba(220, 53, 69, 0.2);
    color: var(--danger-color);
}

.job-notes {
    margin-top: 10px;
    font-size: 0.9rem;
    color: var(--text-color);
    opacity: 0.9;
}

.delete-btn {
    position: absolute;
    top: 10px;
    right: 10px;
    background: none;
    border: none;
    color: #888;
    cursor: pointer;
    font-size: 1rem;
}

.delete-btn:hover {
    color: var(--danger-color);
}

.chart-container {
    background-color: var(--card-bg);
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 1;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.4);
}

.modal-content {
    background-color: var(--bg-color);
    margin: 10% auto;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    width: 90%;
    max-width: 500px;
    position: relative;
}

.close {
    position: absolute;
    right: 20px;
    top: 15px;
    color: #aaa;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
}

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

.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    background-color: var(--card-bg);
    color: var(--text-color);
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .applications-container {
        grid-template-columns: 1fr;
    }
    
    .dashboard {
        grid-template-columns: 1fr;
    }
    
    .controls {
        flex-direction: column;
    }
}