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

body {
    background: #09090b; /* zinc-950 */
    color: #f4f4f5; /* zinc-100 */
    padding: 20px;
}

/* Title */
h1 {
    text-align: center;
    margin-bottom: 25px;
    color: #facc15; /* yellow-400 */
    letter-spacing: 1px;
}

/* Board Layout */
.board {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Columns */
.column {
    background: #18181b; /* zinc-900 */
    padding: 15px;
    border-radius: 14px;
    width: 300px;
    min-height: 420px;
    border: 1px solid #27272a; /* zinc-800 */
    transition: 0.2s;
}

.column:hover {
    border-color: #facc15; /* yellow highlight */
}

.column h2 {
    margin-bottom: 12px;
    color: #e4e4e7; /* zinc-200 */
}

/* Tasks Container */
.tasks {
    min-height: 200px;
}

/* Task Card */
.task {
    background: #27272a; /* zinc-800 */
    padding: 10px;
    margin-bottom: 10px;
    border-radius: 10px;
    cursor: grab;
    transition: 0.2s;
    border: 1px solid transparent;
}

.task:hover {
    border-color: #facc15;
    transform: translateY(-2px);
}

.task.dragging {
    opacity: 0.5;
}

/* Add Button */
.add-btn {
    margin-top: 12px;
    width: 100%;
    padding: 10px;
    border: none;
    background: #facc15; /* yellow */
    color: #09090b; /* dark text */
    border-radius: 10px;
    cursor: pointer;
    font-weight: 600;
    transition: 0.2s;
    font-weight: 600;
}

.add-btn:hover {
    background: #eab308; /* darker yellow */
    transform: scale(1.03);
}

/* Optional: Drop Highlight */
.column.drag-over {
    border: 2px dashed #facc15;
}