:root {
    --bg-color: #121212;
    --card-bg: #1e1e1e;
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --accent-color: #bb86fc;
    --accent-hover: #9b65da;
    --success-color: #03dac6;
    --danger-color: #cf6679;
    --font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: var(--font-family);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    padding: 20px;
}

.container {
    width: 100%;
    max-width: 1200px;
}

.hidden { display: none !important; }

h1, h2, h3 { color: var(--text-primary); margin-bottom: 0.5rem; }
p { color: var(--text-secondary); margin-bottom: 1rem; }

.card {
    background-color: var(--card-bg);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 4px 6px rgba(0,0,0,0.3);
    margin-bottom: 1.5rem;
}

#onboarding {
    max-width: 500px;
    margin: 10vh auto;
    text-align: center;
}

.form-group {
    margin-bottom: 1.5rem;
    text-align: left;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

input, select {
    width: 100%;
    padding: 12px;
    background: #2d2d2d;
    border: 1px solid #333;
    border-radius: 6px;
    color: white;
    font-size: 1rem;
}

input:focus, select:focus {
    outline: 2px solid var(--accent-color);
    border-color: transparent;
}

button {
    cursor: pointer;
    border: none;
    border-radius: 6px;
    padding: 12px 24px;
    font-size: 1rem;
    font-weight: 600;
    transition: all 0.2s;
}

.btn-primary {
    background-color: var(--accent-color);
    color: #000;
    width: 100%;
}

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

.btn-secondary {
    background-color: #2d2d2d;
    color: var(--text-secondary);
    padding: 8px 16px;
    font-size: 0.9rem;
}

.btn-secondary:hover {
    background-color: #3d3d3d;
    color: white;
}

.btn-text {
    background: none;
    color: var(--text-secondary);
    text-decoration: underline;
    font-size: 0.8rem;
    padding: 0;
}

.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--card-bg);
    padding: 1.5rem;
    border-radius: 12px;
    text-align: center;
}

.stat-value {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--accent-color);
}

.progress-container {
    background: #333;
    height: 8px;
    border-radius: 4px;
    margin-top: 10px;
    overflow: hidden;
}

.progress-bar {
    background: var(--accent-color);
    height: 100%;
    transition: width 0.5s ease;
}

.main-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

@media (max-width: 768px) {
    .main-content {
        grid-template-columns: 1fr;
    }
}

.task-item {
    background: #252525;
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 0.8rem;
    display: flex;
    align-items: center;
    transition: background 0.2s;
}

.task-item:hover {
    background: #2a2a2a;
}

.task-checkbox {
    width: 20px;
    height: 20px;
    margin-right: 15px;
    accent-color: var(--accent-color);
    cursor: pointer;
}

.task-content {
    flex-grow: 1;
}

.task-skill {
    font-size: 0.75rem;
    text-transform: uppercase;
    color: var(--text-secondary);
    letter-spacing: 0.5px;
    display: block;
    margin-bottom: 2px;
}

.task-desc {
    font-size: 1rem;
}

.task-time {
    background: #333;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.task-item.completed .task-desc {
    text-decoration: line-through;
    color: #666;
}

.success-box {
    background: rgba(3, 218, 198, 0.1);
    color: var(--success-color);
    padding: 1rem;
    border-radius: 8px;
    text-align: center;
    margin-top: 1rem;
    border: 1px solid var(--success-color);
    animation: fadeIn 0.5s;
}

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

.chart-container {
    position: relative;
    height: 300px;
    width: 100%;
}