body {
    background-color: #121212;
    color: white;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    display: flex;
    justify-content: center;
    padding-top: 50px;
}

.container {
    width: 90%;
    max-width: 800px;
    text-align: center;
}

header p { font-size: 1.2rem; color: #ccc; margin-bottom: 5px; }
header h1 { font-size: 2.2rem; margin-top: 0; }

/* Input Card Style */
.input-card {
    background-color: #1e1e1e;
    padding: 20px;
    border-radius: 8px;
    border: 1px solid #333;
    display: flex;
    gap: 10px;
    margin-bottom: 30px;
}

input {
    background: transparent;
    border: 2px solid #4A5878;
    color: white;
    padding: 10px;
    border-radius: 5px;
}

#taskInput { flex: 2; }
#dateInput { flex: 1; }

#addBtn {
    background-color: #008cff;
    color: white;
    border: none;
    padding: 10px 25px;
    border-radius: 8px;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Action Buttons */
.action-bar {
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
}

.btn-outline-red {
    background: transparent;
    border: 1px solid #E92424;
    color: white;
    padding: 8px 15px;
    border-radius: 8px;
    cursor: pointer;
}

/* Table Style */
.table-container {
    background-color: #1e1e1e;
    border-radius: 8px;
    border: 1px solid #333;
    min-height: 200px;
}

table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

th, td {
    padding: 15px;
    border-bottom: 1px solid #333;
}

th { color: #888; font-weight: normal; }

.completed-row {
    color: #666;
    text-decoration: line-through;
}

/* Checkbox Styling */
input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
}